#include "MCTargetDesc/ARMAddressingModes.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Type.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetOptions.h"
#include <utility>
using namespace llvm;
addTypeForNEON(VT, MVT::v2f64, MVT::v4i32);
}
-ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM)
- : TargetLowering(TM) {
- Subtarget = &TM.getSubtarget<ARMSubtarget>();
- RegInfo = TM.getSubtargetImpl()->getRegisterInfo();
- Itins = TM.getSubtargetImpl()->getInstrItineraryData();
+ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
+ const ARMSubtarget &STI)
+ : TargetLowering(TM), Subtarget(&STI) {
+ RegInfo = Subtarget->getRegisterInfo();
+ Itins = Subtarget->getInstrItineraryData();
setBooleanVectorContents(ZeroOrNegativeOneBooleanContent);
if (Subtarget->isTargetMachO()) {
// Uses VFP for Thumb libfuncs if available.
if (Subtarget->isThumb() && Subtarget->hasVFP2() &&
- Subtarget->hasARMOps() && !TM.Options.UseSoftFloat) {
+ Subtarget->hasARMOps() && !Subtarget->useSoftFloat()) {
// Single-precision floating-point arithmetic.
setLibcallName(RTLIB::ADD_F32, "__addsf3vfp");
setLibcallName(RTLIB::SUB_F32, "__subsf3vfp");
addRegisterClass(MVT::i32, &ARM::tGPRRegClass);
else
addRegisterClass(MVT::i32, &ARM::GPRRegClass);
- if (!TM.Options.UseSoftFloat && Subtarget->hasVFP2() &&
+ if (!Subtarget->useSoftFloat() && Subtarget->hasVFP2() &&
!Subtarget->isThumb1Only()) {
addRegisterClass(MVT::f32, &ARM::SPRRegClass);
addRegisterClass(MVT::f64, &ARM::DPRRegClass);
}
- for (unsigned VT = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
- VT <= (unsigned)MVT::LAST_VECTOR_VALUETYPE; ++VT) {
- for (unsigned InnerVT = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
- InnerVT <= (unsigned)MVT::LAST_VECTOR_VALUETYPE; ++InnerVT)
- setTruncStoreAction((MVT::SimpleValueType)VT,
- (MVT::SimpleValueType)InnerVT, Expand);
- setLoadExtAction(ISD::SEXTLOAD, (MVT::SimpleValueType)VT, Expand);
- setLoadExtAction(ISD::ZEXTLOAD, (MVT::SimpleValueType)VT, Expand);
- setLoadExtAction(ISD::EXTLOAD, (MVT::SimpleValueType)VT, Expand);
+ for (MVT VT : MVT::vector_valuetypes()) {
+ for (MVT InnerVT : MVT::vector_valuetypes()) {
+ setTruncStoreAction(VT, InnerVT, Expand);
+ setLoadExtAction(ISD::SEXTLOAD, VT, InnerVT, Expand);
+ setLoadExtAction(ISD::ZEXTLOAD, VT, InnerVT, Expand);
+ setLoadExtAction(ISD::EXTLOAD, VT, InnerVT, Expand);
+ }
- setOperationAction(ISD::MULHS, (MVT::SimpleValueType)VT, Expand);
- setOperationAction(ISD::SMUL_LOHI, (MVT::SimpleValueType)VT, Expand);
- setOperationAction(ISD::MULHU, (MVT::SimpleValueType)VT, Expand);
- setOperationAction(ISD::UMUL_LOHI, (MVT::SimpleValueType)VT, Expand);
+ setOperationAction(ISD::MULHS, VT, Expand);
+ setOperationAction(ISD::SMUL_LOHI, VT, Expand);
+ setOperationAction(ISD::MULHU, VT, Expand);
+ setOperationAction(ISD::UMUL_LOHI, VT, Expand);
- setOperationAction(ISD::BSWAP, (MVT::SimpleValueType)VT, Expand);
+ setOperationAction(ISD::BSWAP, VT, Expand);
}
setOperationAction(ISD::ConstantFP, MVT::f32, Custom);
setOperationAction(ISD::ConstantFP, MVT::f64, Custom);
+ setOperationAction(ISD::READ_REGISTER, MVT::i64, Custom);
+ setOperationAction(ISD::WRITE_REGISTER, MVT::i64, Custom);
+
if (Subtarget->hasNEON()) {
addDRTypeForNEON(MVT::v2f32);
addDRTypeForNEON(MVT::v8i8);
setTargetDAGCombine(ISD::LOAD);
// It is legal to extload from v4i8 to v4i16 or v4i32.
- MVT Tys[6] = {MVT::v8i8, MVT::v4i8, MVT::v2i8,
- MVT::v4i16, MVT::v2i16,
- MVT::v2i32};
- for (unsigned i = 0; i < 6; ++i) {
- setLoadExtAction(ISD::EXTLOAD, Tys[i], Legal);
- setLoadExtAction(ISD::ZEXTLOAD, Tys[i], Legal);
- setLoadExtAction(ISD::SEXTLOAD, Tys[i], Legal);
+ for (MVT Ty : {MVT::v8i8, MVT::v4i8, MVT::v2i8, MVT::v4i16, MVT::v2i16,
+ MVT::v2i32}) {
+ for (MVT VT : MVT::integer_vector_valuetypes()) {
+ setLoadExtAction(ISD::EXTLOAD, VT, Ty, Legal);
+ setLoadExtAction(ISD::ZEXTLOAD, VT, Ty, Legal);
+ setLoadExtAction(ISD::SEXTLOAD, VT, Ty, Legal);
+ }
}
}
setOperationAction(ISD::FRINT, MVT::f64, Expand);
setOperationAction(ISD::FNEARBYINT, MVT::f64, Expand);
setOperationAction(ISD::FFLOOR, MVT::f64, Expand);
+ setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom);
+ setOperationAction(ISD::UINT_TO_FP, MVT::i32, Custom);
+ setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
+ setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom);
+ setOperationAction(ISD::FP_TO_SINT, MVT::f64, Custom);
+ setOperationAction(ISD::FP_TO_UINT, MVT::f64, Custom);
setOperationAction(ISD::FP_ROUND, MVT::f32, Custom);
setOperationAction(ISD::FP_EXTEND, MVT::f64, Custom);
}
- computeRegisterProperties();
+ computeRegisterProperties(Subtarget->getRegisterInfo());
// ARM does not have floating-point extending loads.
- setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
- setLoadExtAction(ISD::EXTLOAD, MVT::f16, Expand);
+ for (MVT VT : MVT::fp_valuetypes()) {
+ setLoadExtAction(ISD::EXTLOAD, VT, MVT::f32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, VT, MVT::f16, Expand);
+ }
// ... or truncating stores
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
setTruncStoreAction(MVT::f64, MVT::f16, Expand);
// ARM does not have i1 sign extending load.
- setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ for (MVT VT : MVT::integer_valuetypes())
+ setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i1, Promote);
// ARM supports all 4 flavors of integer indexed load / store.
if (!Subtarget->isThumb1Only()) {
}
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
- if (!TM.Options.UseSoftFloat && Subtarget->hasVFP2() &&
+ if (!Subtarget->useSoftFloat() && Subtarget->hasVFP2() &&
!Subtarget->isThumb1Only()) {
// Turn f64->i64 into VMOVRRD, i64 -> f64 to VMOVDRR
// iff target supports vfp2.
setOperationAction(ISD::FSINCOS, MVT::f32, Expand);
setOperationAction(ISD::FREM, MVT::f64, Expand);
setOperationAction(ISD::FREM, MVT::f32, Expand);
- if (!TM.Options.UseSoftFloat && Subtarget->hasVFP2() &&
+ if (!Subtarget->useSoftFloat() && Subtarget->hasVFP2() &&
!Subtarget->isThumb1Only()) {
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
}
// Various VFP goodness
- if (!TM.Options.UseSoftFloat && !Subtarget->isThumb1Only()) {
- // int <-> fp are custom expanded into bit_convert + ARMISD ops.
- if (Subtarget->hasVFP2()) {
- setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom);
- setOperationAction(ISD::UINT_TO_FP, MVT::i32, Custom);
- setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom);
- setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
- }
-
+ if (!Subtarget->useSoftFloat() && !Subtarget->isThumb1Only()) {
// FP-ARMv8 adds f64 <-> f16 conversion. Before that it should be expanded.
if (!Subtarget->hasFPARMv8() || Subtarget->isFPOnlySP()) {
setOperationAction(ISD::FP16_TO_FP, MVT::f64, Expand);
setStackPointerRegisterToSaveRestore(ARM::SP);
- if (TM.Options.UseSoftFloat || Subtarget->isThumb1Only() ||
+ if (Subtarget->useSoftFloat() || Subtarget->isThumb1Only() ||
!Subtarget->hasVFP2())
setSchedulingPreference(Sched::RegPressure);
else
setMinFunctionAlignment(Subtarget->isThumb() ? 1 : 2);
}
+bool ARMTargetLowering::useSoftFloat() const {
+ return Subtarget->useSoftFloat();
+}
+
// FIXME: It might make sense to define the representative register class as the
// nearest super-register that has a non-null superset. For example, DPR_VFP2 is
// a super-register of SPR, and DPR is a superset if DPR_VFP2. Consequently,
// of the difficulty prior to coalescing of modeling operand register classes
// due to the common occurrence of cross class copies and subregister insertions
// and extractions.
-std::pair<const TargetRegisterClass*, uint8_t>
-ARMTargetLowering::findRepresentativeClass(MVT VT) const{
+std::pair<const TargetRegisterClass *, uint8_t>
+ARMTargetLowering::findRepresentativeClass(const TargetRegisterInfo *TRI,
+ MVT VT) const {
const TargetRegisterClass *RRC = nullptr;
uint8_t Cost = 1;
switch (VT.SimpleTy) {
default:
- return TargetLowering::findRepresentativeClass(VT);
+ return TargetLowering::findRepresentativeClass(TRI, VT);
// Use DPR as representative register class for all floating point
// and vector types. Since there are 32 SPR registers and 32 DPR registers so
// the cost is 1 for both f32 and f64.
}
const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const {
- switch (Opcode) {
- default: return nullptr;
+ switch ((ARMISD::NodeType)Opcode) {
+ case ARMISD::FIRST_NUMBER: break;
case ARMISD::Wrapper: return "ARMISD::Wrapper";
case ARMISD::WrapperPIC: return "ARMISD::WrapperPIC";
case ARMISD::WrapperJT: return "ARMISD::WrapperJT";
+ case ARMISD::COPY_STRUCT_BYVAL: return "ARMISD::COPY_STRUCT_BYVAL";
case ARMISD::CALL: return "ARMISD::CALL";
case ARMISD::CALL_PRED: return "ARMISD::CALL_PRED";
case ARMISD::CALL_NOLINK: return "ARMISD::CALL_NOLINK";
case ARMISD::RBIT: return "ARMISD::RBIT";
- case ARMISD::FTOSI: return "ARMISD::FTOSI";
- case ARMISD::FTOUI: return "ARMISD::FTOUI";
- case ARMISD::SITOF: return "ARMISD::SITOF";
- case ARMISD::UITOF: return "ARMISD::UITOF";
-
case ARMISD::SRL_FLAG: return "ARMISD::SRL_FLAG";
case ARMISD::SRA_FLAG: return "ARMISD::SRA_FLAG";
case ARMISD::RRX: return "ARMISD::RRX";
case ARMISD::VQRSHRNs: return "ARMISD::VQRSHRNs";
case ARMISD::VQRSHRNu: return "ARMISD::VQRSHRNu";
case ARMISD::VQRSHRNsu: return "ARMISD::VQRSHRNsu";
+ case ARMISD::VSLI: return "ARMISD::VSLI";
+ case ARMISD::VSRI: return "ARMISD::VSRI";
case ARMISD::VGETLANEu: return "ARMISD::VGETLANEu";
case ARMISD::VGETLANEs: return "ARMISD::VGETLANEs";
case ARMISD::VMOVIMM: return "ARMISD::VMOVIMM";
case ARMISD::VST3LN_UPD: return "ARMISD::VST3LN_UPD";
case ARMISD::VST4LN_UPD: return "ARMISD::VST4LN_UPD";
}
+ return nullptr;
}
EVT ARMTargetLowering::getSetCCResultType(LLVMContext &, EVT VT) const {
return TargetLowering::getRegClassFor(VT);
}
+// memcpy, and other memory intrinsics, typically tries to use LDM/STM if the
+// source/dest is aligned and the copy size is large enough. We therefore want
+// to align such objects passed to memory intrinsics.
+bool ARMTargetLowering::shouldAlignPointerArgs(CallInst *CI, unsigned &MinSize,
+ unsigned &PrefAlign) const {
+ if (!isa<MemIntrinsic>(CI))
+ return false;
+ MinSize = 8;
+ // On ARM11 onwards (excluding M class) 8-byte aligned LDM is typically 1
+ // cycle faster than 4-byte aligned LDM.
+ PrefAlign = (Subtarget->hasV6Ops() && !Subtarget->isMClass() ? 8 : 4);
+ return true;
+}
+
// Create a fast isel object.
FastISel *
ARMTargetLowering::createFastISel(FunctionLoweringInfo &funcInfo,
return ARM::createFastISel(funcInfo, libInfo);
}
-/// getMaximalGlobalOffset - Returns the maximal possible offset which can
-/// be used for loads / stores from the global.
-unsigned ARMTargetLowering::getMaximalGlobalOffset() const {
- return (Subtarget->isThumb1Only() ? 127 : 4095);
-}
-
Sched::Preference ARMTargetLowering::getSchedulingPreference(SDNode *N) const {
unsigned NumVals = N->getNumValues();
if (!NumVals)
// Load are scheduled for latency even if there instruction itinerary
// is not available.
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
const MCInstrDesc &MCID = TII->get(N->getMachineOpcode());
if (MCID.getNumDefs() == 0)
if (VA.getLocVT() == MVT::v2f64) {
SDValue Vec = DAG.getNode(ISD::UNDEF, dl, MVT::v2f64);
Vec = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Vec, Val,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
VA = RVLocs[++i]; // skip ahead to next loc
Lo = DAG.getCopyFromReg(Chain, dl, VA.getLocReg(), MVT::i32, InFlag);
std::swap (Lo, Hi);
Val = DAG.getNode(ARMISD::VMOVDRR, dl, MVT::f64, Lo, Hi);
Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Vec, Val,
- DAG.getConstant(1, MVT::i32));
+ DAG.getConstant(1, dl, MVT::i32));
}
} else {
Val = DAG.getCopyFromReg(Chain, dl, VA.getLocReg(), VA.getLocVT(),
const CCValAssign &VA,
ISD::ArgFlagsTy Flags) const {
unsigned LocMemOffset = VA.getLocMemOffset();
- SDValue PtrOff = DAG.getIntPtrConstant(LocMemOffset);
+ SDValue PtrOff = DAG.getIntPtrConstant(LocMemOffset, dl);
PtrOff = DAG.getNode(ISD::ADD, dl, getPointerTy(), StackPtr, PtrOff);
return DAG.getStore(Chain, dl, Arg, PtrOff,
MachinePointerInfo::getStack(LocMemOffset),
ARMTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const {
SelectionDAG &DAG = CLI.DAG;
- SDLoc &dl = CLI.DL;
+ SDLoc &dl = CLI.DL;
SmallVectorImpl<ISD::OutputArg> &Outs = CLI.Outs;
SmallVectorImpl<SDValue> &OutVals = CLI.OutVals;
SmallVectorImpl<ISD::InputArg> &Ins = CLI.Ins;
bool isStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet();
bool isThisReturn = false;
bool isSibCall = false;
+ auto Attr = MF.getFunction()->getFnAttribute("disable-tail-calls");
// Disable tail calls if they're not supported.
- if (!Subtarget->supportsTailCall() || MF.getTarget().Options.DisableTailCalls)
+ if (!Subtarget->supportsTailCall() || Attr.getValueAsString() == "true")
isTailCall = false;
if (isTailCall) {
// Adjust the stack pointer for the new arguments...
// These operations are automatically eliminated by the prolog/epilog pass
if (!isSibCall)
- Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(NumBytes, true),
- dl);
+ Chain = DAG.getCALLSEQ_START(Chain,
+ DAG.getIntPtrConstant(NumBytes, dl, true), dl);
SDValue StackPtr = DAG.getCopyFromReg(Chain, dl, ARM::SP, getPointerTy());
if (VA.needsCustom()) {
if (VA.getLocVT() == MVT::v2f64) {
SDValue Op0 = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f64, Arg,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
SDValue Op1 = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f64, Arg,
- DAG.getConstant(1, MVT::i32));
+ DAG.getConstant(1, dl, MVT::i32));
PassF64ArgInRegs(dl, DAG, Chain, Op0, RegsToPass,
VA, ArgLocs[++i], StackPtr, MemOpChains, Flags);
EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
unsigned int i, j;
for (i = 0, j = RegBegin; j < RegEnd; i++, j++) {
- SDValue Const = DAG.getConstant(4*i, MVT::i32);
+ SDValue Const = DAG.getConstant(4*i, dl, MVT::i32);
SDValue AddArg = DAG.getNode(ISD::ADD, dl, PtrVT, Arg, Const);
SDValue Load = DAG.getLoad(PtrVT, dl, Chain, AddArg,
MachinePointerInfo(),
if (Flags.getByValSize() > 4*offset) {
unsigned LocMemOffset = VA.getLocMemOffset();
- SDValue StkPtrOff = DAG.getIntPtrConstant(LocMemOffset);
+ SDValue StkPtrOff = DAG.getIntPtrConstant(LocMemOffset, dl);
SDValue Dst = DAG.getNode(ISD::ADD, dl, getPointerTy(), StackPtr,
StkPtrOff);
- SDValue SrcOffset = DAG.getIntPtrConstant(4*offset);
+ SDValue SrcOffset = DAG.getIntPtrConstant(4*offset, dl);
SDValue Src = DAG.getNode(ISD::ADD, dl, getPointerTy(), Arg, SrcOffset);
- SDValue SizeNode = DAG.getConstant(Flags.getByValSize() - 4*offset,
+ SDValue SizeNode = DAG.getConstant(Flags.getByValSize() - 4*offset, dl,
MVT::i32);
- SDValue AlignNode = DAG.getConstant(Flags.getByValAlign(), MVT::i32);
+ SDValue AlignNode = DAG.getConstant(Flags.getByValAlign(), dl,
+ MVT::i32);
SDVTList VTs = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, Dst, Src, SizeNode, AlignNode};
DAG.getEntryNode(), CPAddr,
MachinePointerInfo::getConstantPool(),
false, false, false, 0);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, dl, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
} else {
// FIXME: handle tail calls differently.
unsigned CallOpc;
- bool HasMinSizeAttr = MF.getFunction()->getAttributes().hasAttribute(
- AttributeSet::FunctionIndex, Attribute::MinSize);
+ bool HasMinSizeAttr = MF.getFunction()->hasFnAttribute(Attribute::MinSize);
if (Subtarget->isThumb()) {
if ((!isDirect || isARMFunc) && !Subtarget->hasV5TOps())
CallOpc = ARMISD::CALL_NOLINK;
// Add a register mask operand representing the call-preserved registers.
if (!isTailCall) {
const uint32_t *Mask;
- const TargetRegisterInfo *TRI =
- getTargetMachine().getSubtargetImpl()->getRegisterInfo();
- const ARMBaseRegisterInfo *ARI = static_cast<const ARMBaseRegisterInfo*>(TRI);
+ const ARMBaseRegisterInfo *ARI = Subtarget->getRegisterInfo();
if (isThisReturn) {
// For 'this' returns, use the R0-preserving mask if applicable
- Mask = ARI->getThisReturnPreservedMask(CallConv);
+ Mask = ARI->getThisReturnPreservedMask(MF, CallConv);
if (!Mask) {
// Set isThisReturn to false if the calling convention is not one that
// allows 'returned' to be modeled in this way, so LowerCallResult does
// not try to pass 'this' straight through
isThisReturn = false;
- Mask = ARI->getCallPreservedMask(CallConv);
+ Mask = ARI->getCallPreservedMask(MF, CallConv);
}
} else
- Mask = ARI->getCallPreservedMask(CallConv);
+ Mask = ARI->getCallPreservedMask(MF, CallConv);
assert(Mask && "Missing call preserved mask for calling convention");
Ops.push_back(DAG.getRegisterMask(Mask));
Ops.push_back(InFlag);
SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Glue);
- if (isTailCall)
+ if (isTailCall) {
+ MF.getFrameInfo()->setHasTailCall();
return DAG.getNode(ARMISD::TC_RETURN, dl, NodeTys, Ops);
+ }
// Returns a chain and a flag for retval copy to use.
Chain = DAG.getNode(CallOpc, dl, NodeTys, Ops);
InFlag = Chain.getValue(1);
- Chain = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(NumBytes, true),
- DAG.getIntPtrConstant(0, true), InFlag, dl);
+ Chain = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(NumBytes, dl, true),
+ DAG.getIntPtrConstant(0, dl, true), InFlag, dl);
if (!Ins.empty())
InFlag = Chain.getValue(1);
/// on the stack. Remember the next parameter register to allocate,
/// and then confiscate the rest of the parameter registers to insure
/// this.
-void
-ARMTargetLowering::HandleByVal(
- CCState *State, unsigned &size, unsigned Align) const {
- unsigned reg = State->AllocateReg(GPRArgRegs, 4);
+void ARMTargetLowering::HandleByVal(CCState *State, unsigned &Size,
+ unsigned Align) const {
assert((State->getCallOrPrologue() == Prologue ||
State->getCallOrPrologue() == Call) &&
"unhandled ParmContext");
- if ((ARM::R0 <= reg) && (reg <= ARM::R3)) {
- if (Subtarget->isAAPCS_ABI() && Align > 4) {
- unsigned AlignInRegs = Align / 4;
- unsigned Waste = (ARM::R4 - reg) % AlignInRegs;
- for (unsigned i = 0; i < Waste; ++i)
- reg = State->AllocateReg(GPRArgRegs, 4);
- }
- if (reg != 0) {
- unsigned excess = 4 * (ARM::R4 - reg);
-
- // Special case when NSAA != SP and parameter size greater than size of
- // all remained GPR regs. In that case we can't split parameter, we must
- // send it to stack. We also must set NCRN to R4, so waste all
- // remained registers.
- const unsigned NSAAOffset = State->getNextStackOffset();
- if (Subtarget->isAAPCS_ABI() && NSAAOffset != 0 && size > excess) {
- while (State->AllocateReg(GPRArgRegs, 4))
- ;
- return;
- }
+ // Byval (as with any stack) slots are always at least 4 byte aligned.
+ Align = std::max(Align, 4U);
- // First register for byval parameter is the first register that wasn't
- // allocated before this method call, so it would be "reg".
- // If parameter is small enough to be saved in range [reg, r4), then
- // the end (first after last) register would be reg + param-size-in-regs,
- // else parameter would be splitted between registers and stack,
- // end register would be r4 in this case.
- unsigned ByValRegBegin = reg;
- unsigned ByValRegEnd = (size < excess) ? reg + size/4 : (unsigned)ARM::R4;
- State->addInRegsParamInfo(ByValRegBegin, ByValRegEnd);
- // Note, first register is allocated in the beginning of function already,
- // allocate remained amount of registers we need.
- for (unsigned i = reg+1; i != ByValRegEnd; ++i)
- State->AllocateReg(GPRArgRegs, 4);
- // A byval parameter that is split between registers and memory needs its
- // size truncated here.
- // In the case where the entire structure fits in registers, we set the
- // size in memory to zero.
- if (size < excess)
- size = 0;
- else
- size -= excess;
- }
+ unsigned Reg = State->AllocateReg(GPRArgRegs);
+ if (!Reg)
+ return;
+
+ unsigned AlignInRegs = Align / 4;
+ unsigned Waste = (ARM::R4 - Reg) % AlignInRegs;
+ for (unsigned i = 0; i < Waste; ++i)
+ Reg = State->AllocateReg(GPRArgRegs);
+
+ if (!Reg)
+ return;
+
+ unsigned Excess = 4 * (ARM::R4 - Reg);
+
+ // Special case when NSAA != SP and parameter size greater than size of
+ // all remained GPR regs. In that case we can't split parameter, we must
+ // send it to stack. We also must set NCRN to R4, so waste all
+ // remained registers.
+ const unsigned NSAAOffset = State->getNextStackOffset();
+ if (NSAAOffset != 0 && Size > Excess) {
+ while (State->AllocateReg(GPRArgRegs))
+ ;
+ return;
}
+
+ // First register for byval parameter is the first register that wasn't
+ // allocated before this method call, so it would be "reg".
+ // If parameter is small enough to be saved in range [reg, r4), then
+ // the end (first after last) register would be reg + param-size-in-regs,
+ // else parameter would be splitted between registers and stack,
+ // end register would be r4 in this case.
+ unsigned ByValRegBegin = Reg;
+ unsigned ByValRegEnd = std::min<unsigned>(Reg + Size / 4, ARM::R4);
+ State->addInRegsParamInfo(ByValRegBegin, ByValRegEnd);
+ // Note, first register is allocated in the beginning of function already,
+ // allocate remained amount of registers we need.
+ for (unsigned i = Reg + 1; i != ByValRegEnd; ++i)
+ State->AllocateReg(GPRArgRegs);
+ // A byval parameter that is split between registers and memory needs its
+ // size truncated here.
+ // In the case where the entire structure fits in registers, we set the
+ // size in memory to zero.
+ Size = std::max<int>(Size - Excess, 0);
}
/// MatchingStackOffset - Return true if the given stack call argument is
if (isCalleeStructRet || isCallerStructRet)
return false;
- // FIXME: Completely disable sibcall for Thumb1 since Thumb1RegisterInfo::
+ // FIXME: Completely disable sibcall for Thumb1 since ThumbRegisterInfo::
// emitEpilogue is not ready for them. Thumb tail calls also use t2B, as
// the Thumb1 16-bit unconditional branch doesn't have sufficient relocation
// support in the assembler and linker to be used. This would need to be
// cannot rely on the linker replacing the tail call with a return.
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
const GlobalValue *GV = G->getGlobal();
- if (GV->hasExternalWeakLinkage())
+ const Triple TT(getTargetMachine().getTargetTriple());
+ if (GV->hasExternalWeakLinkage() &&
+ (!TT.isOSWindows() || TT.isOSBinFormatELF() || TT.isOSBinFormatMachO()))
return false;
}
// the caller's fixed stack objects.
MachineFrameInfo *MFI = MF.getFrameInfo();
const MachineRegisterInfo *MRI = &MF.getRegInfo();
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
for (unsigned i = 0, realArgIdx = 0, e = ArgLocs.size();
i != e;
++i, ++realArgIdx) {
report_fatal_error("Unsupported interrupt attribute. If present, value "
"must be one of: IRQ, FIQ, SWI, ABORT or UNDEF");
- RetOps.insert(RetOps.begin() + 1, DAG.getConstant(LROffset, MVT::i32, false));
+ RetOps.insert(RetOps.begin() + 1,
+ DAG.getConstant(LROffset, DL, MVT::i32, false));
return DAG.getNode(ARMISD::INTRET_FLAG, DL, MVT::Other, RetOps);
}
if (VA.getLocVT() == MVT::v2f64) {
// Extract the first half and return it in two registers.
SDValue Half = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f64, Arg,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
SDValue HalfGPRs = DAG.getNode(ARMISD::VMOVRRD, dl,
DAG.getVTList(MVT::i32, MVT::i32), Half);
// Extract the 2nd half and fall through to handle it as an f64 value.
Arg = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f64, Arg,
- DAG.getConstant(1, MVT::i32));
+ DAG.getConstant(1, dl, MVT::i32));
}
// Legalize ret f64 -> ret 2 x i32. We always have fmrrd if f64 is
// available.
if (!Subtarget->supportsTailCall())
return false;
- if (!CI->isTailCall() || getTargetMachine().Options.DisableTailCalls)
+ auto Attr =
+ CI->getParent()->getParent()->getFnAttribute("disable-tail-calls");
+ if (!CI->isTailCall() || Attr.getValueAsString() == "true")
return false;
return !Subtarget->isThumb1Only();
}
+// Trying to write a 64 bit value so need to split into two 32 bit values first,
+// and pass the lower and high parts through.
+static SDValue LowerWRITE_REGISTER(SDValue Op, SelectionDAG &DAG) {
+ SDLoc DL(Op);
+ SDValue WriteValue = Op->getOperand(2);
+
+ // This function is only supposed to be called for i64 type argument.
+ assert(WriteValue.getValueType() == MVT::i64
+ && "LowerWRITE_REGISTER called for non-i64 type argument.");
+
+ SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, WriteValue,
+ DAG.getConstant(0, DL, MVT::i32));
+ SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, WriteValue,
+ DAG.getConstant(1, DL, MVT::i32));
+ SDValue Ops[] = { Op->getOperand(0), Op->getOperand(1), Lo, Hi };
+ return DAG.getNode(ISD::WRITE_REGISTER, DL, MVT::Other, Ops);
+}
+
// ConstantPool, JumpTable, GlobalAddress, and ExternalSymbol are lowered as
// their target counterpart wrapped in the ARMISD::Wrapper node. Suppose N is
// one of the above mentioned nodes. It has to be wrapped because otherwise
false, false, false, 0);
if (RelocM == Reloc::Static)
return Result;
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, DL, MVT::i32);
return DAG.getNode(ARMISD::PIC_ADD, DL, PtrVT, Result, PICLabel);
}
false, false, false, 0);
SDValue Chain = Argument.getValue(1);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, dl, MVT::i32);
Argument = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Argument, PICLabel);
// call __tls_get_addr.
false, false, false, 0);
Chain = Offset.getValue(1);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, dl, MVT::i32);
Offset = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Offset, PICLabel);
Offset = DAG.getLoad(PtrVT, dl, Chain, Offset,
SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
MachinePointerInfo::getConstantPool(),
false, false, false, 0);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, dl, MVT::i32);
return DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
SDValue
ARMTargetLowering::LowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const {
SDLoc dl(Op);
- SDValue Val = DAG.getConstant(0, MVT::i32);
+ SDValue Val = DAG.getConstant(0, dl, MVT::i32);
return DAG.getNode(ARMISD::EH_SJLJ_SETJMP, dl,
DAG.getVTList(MVT::i32, MVT::Other), Op.getOperand(0),
Op.getOperand(1), Val);
ARMTargetLowering::LowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const {
SDLoc dl(Op);
return DAG.getNode(ARMISD::EH_SJLJ_LONGJMP, dl, MVT::Other, Op.getOperand(0),
- Op.getOperand(1), DAG.getConstant(0, MVT::i32));
+ Op.getOperand(1), DAG.getConstant(0, dl, MVT::i32));
}
SDValue
false, false, false, 0);
if (RelocM == Reloc::PIC_) {
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, dl, MVT::i32);
Result = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
return Result;
assert(Subtarget->hasV6Ops() && !Subtarget->isThumb() &&
"Unexpected ISD::ATOMIC_FENCE encountered. Should be libcall!");
return DAG.getNode(ARMISD::MEMBARRIER_MCR, dl, MVT::Other, Op.getOperand(0),
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
}
ConstantSDNode *OrdN = cast<ConstantSDNode>(Op.getOperand(1));
}
return DAG.getNode(ISD::INTRINSIC_VOID, dl, MVT::Other, Op.getOperand(0),
- DAG.getConstant(Intrinsic::arm_dmb, MVT::i32),
- DAG.getConstant(Domain, MVT::i32));
+ DAG.getConstant(Intrinsic::arm_dmb, dl, MVT::i32),
+ DAG.getConstant(Domain, dl, MVT::i32));
}
static SDValue LowerPREFETCH(SDValue Op, SelectionDAG &DAG,
}
return DAG.getNode(ARMISD::PRELOAD, dl, MVT::Other, Op.getOperand(0),
- Op.getOperand(1), DAG.getConstant(isRead, MVT::i32),
- DAG.getConstant(isData, MVT::i32));
+ Op.getOperand(1), DAG.getConstant(isRead, dl, MVT::i32),
+ DAG.getConstant(isData, dl, MVT::i32));
}
static SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) {
return DAG.getNode(ARMISD::VMOVDRR, dl, MVT::f64, ArgValue, ArgValue2);
}
-void
-ARMTargetLowering::computeRegArea(CCState &CCInfo, MachineFunction &MF,
- unsigned InRegsParamRecordIdx,
- unsigned ArgSize,
- unsigned &ArgRegsSize,
- unsigned &ArgRegsSaveSize)
- const {
- unsigned NumGPRs;
- if (InRegsParamRecordIdx < CCInfo.getInRegsParamsCount()) {
- unsigned RBegin, REnd;
- CCInfo.getInRegsParamInfo(InRegsParamRecordIdx, RBegin, REnd);
- NumGPRs = REnd - RBegin;
- } else {
- unsigned int firstUnalloced;
- firstUnalloced = CCInfo.getFirstUnallocated(GPRArgRegs,
- sizeof(GPRArgRegs) /
- sizeof(GPRArgRegs[0]));
- NumGPRs = (firstUnalloced <= 3) ? (4 - firstUnalloced) : 0;
- }
-
- unsigned Align = MF.getTarget()
- .getSubtargetImpl()
- ->getFrameLowering()
- ->getStackAlignment();
- ArgRegsSize = NumGPRs * 4;
-
- // If parameter is split between stack and GPRs...
- if (NumGPRs && Align > 4 &&
- (ArgRegsSize < ArgSize ||
- InRegsParamRecordIdx >= CCInfo.getInRegsParamsCount())) {
- // Add padding for part of param recovered from GPRs. For example,
- // if Align == 8, its last byte must be at address K*8 - 1.
- // We need to do it, since remained (stack) part of parameter has
- // stack alignment, and we need to "attach" "GPRs head" without gaps
- // to it:
- // Stack:
- // |---- 8 bytes block ----| |---- 8 bytes block ----| |---- 8 bytes...
- // [ [padding] [GPRs head] ] [ Tail passed via stack ....
- //
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- unsigned Padding =
- OffsetToAlignment(ArgRegsSize + AFI->getArgRegsSaveSize(), Align);
- ArgRegsSaveSize = ArgRegsSize + Padding;
- } else
- // We don't need to extend regs save size for byval parameters if they
- // are passed via GPRs only.
- ArgRegsSaveSize = ArgRegsSize;
-}
-
// The remaining GPRs hold either the beginning of variable-argument
// data, or the beginning of an aggregate passed by value (usually
// byval). Either way, we allocate stack slots adjacent to the data
SDLoc dl, SDValue &Chain,
const Value *OrigArg,
unsigned InRegsParamRecordIdx,
- unsigned OffsetFromOrigArg,
- unsigned ArgOffset,
- unsigned ArgSize,
- bool ForceMutable,
- unsigned ByValStoreOffset,
- unsigned TotalArgRegsSaveSize) const {
-
+ int ArgOffset,
+ unsigned ArgSize) const {
// Currently, two use-cases possible:
// Case #1. Non-var-args function, and we meet first byval parameter.
// Setup first unallocated register as first byval register;
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- unsigned firstRegToSaveIndex, lastRegToSaveIndex;
unsigned RBegin, REnd;
if (InRegsParamRecordIdx < CCInfo.getInRegsParamsCount()) {
CCInfo.getInRegsParamInfo(InRegsParamRecordIdx, RBegin, REnd);
- firstRegToSaveIndex = RBegin - ARM::R0;
- lastRegToSaveIndex = REnd - ARM::R0;
} else {
- firstRegToSaveIndex = CCInfo.getFirstUnallocated
- (GPRArgRegs, array_lengthof(GPRArgRegs));
- lastRegToSaveIndex = 4;
- }
-
- unsigned ArgRegsSize, ArgRegsSaveSize;
- computeRegArea(CCInfo, MF, InRegsParamRecordIdx, ArgSize,
- ArgRegsSize, ArgRegsSaveSize);
-
- // Store any by-val regs to their spots on the stack so that they may be
- // loaded by deferencing the result of formal parameter pointer or va_next.
- // Note: once stack area for byval/varargs registers
- // was initialized, it can't be initialized again.
- if (ArgRegsSaveSize) {
- unsigned Padding = ArgRegsSaveSize - ArgRegsSize;
-
- if (Padding) {
- assert(AFI->getStoredByValParamsPadding() == 0 &&
- "The only parameter may be padded.");
- AFI->setStoredByValParamsPadding(Padding);
- }
-
- int FrameIndex = MFI->CreateFixedObject(ArgRegsSaveSize,
- Padding +
- ByValStoreOffset -
- (int64_t)TotalArgRegsSaveSize,
- false);
- SDValue FIN = DAG.getFrameIndex(FrameIndex, getPointerTy());
- if (Padding) {
- MFI->CreateFixedObject(Padding,
- ArgOffset + ByValStoreOffset -
- (int64_t)ArgRegsSaveSize,
- false);
- }
-
- SmallVector<SDValue, 4> MemOps;
- for (unsigned i = 0; firstRegToSaveIndex < lastRegToSaveIndex;
- ++firstRegToSaveIndex, ++i) {
- const TargetRegisterClass *RC;
- if (AFI->isThumb1OnlyFunction())
- RC = &ARM::tGPRRegClass;
- else
- RC = &ARM::GPRRegClass;
+ unsigned RBeginIdx = CCInfo.getFirstUnallocated(GPRArgRegs);
+ RBegin = RBeginIdx == 4 ? (unsigned)ARM::R4 : GPRArgRegs[RBeginIdx];
+ REnd = ARM::R4;
+ }
- unsigned VReg = MF.addLiveIn(GPRArgRegs[firstRegToSaveIndex], RC);
- SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
- SDValue Store =
- DAG.getStore(Val.getValue(1), dl, Val, FIN,
- MachinePointerInfo(OrigArg, OffsetFromOrigArg + 4*i),
- false, false, 0);
- MemOps.push_back(Store);
- FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), FIN,
- DAG.getConstant(4, getPointerTy()));
- }
+ if (REnd != RBegin)
+ ArgOffset = -4 * (ARM::R4 - RBegin);
- AFI->setArgRegsSaveSize(ArgRegsSaveSize + AFI->getArgRegsSaveSize());
+ int FrameIndex = MFI->CreateFixedObject(ArgSize, ArgOffset, false);
+ SDValue FIN = DAG.getFrameIndex(FrameIndex, getPointerTy());
- if (!MemOps.empty())
- Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, MemOps);
- return FrameIndex;
- } else {
- if (ArgSize == 0) {
- // We cannot allocate a zero-byte object for the first variadic argument,
- // so just make up a size.
- ArgSize = 4;
- }
- // This will point to the next argument passed via stack.
- return MFI->CreateFixedObject(
- ArgSize, ArgOffset, !ForceMutable);
+ SmallVector<SDValue, 4> MemOps;
+ const TargetRegisterClass *RC =
+ AFI->isThumb1OnlyFunction() ? &ARM::tGPRRegClass : &ARM::GPRRegClass;
+
+ for (unsigned Reg = RBegin, i = 0; Reg < REnd; ++Reg, ++i) {
+ unsigned VReg = MF.addLiveIn(Reg, RC);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
+ SDValue Store =
+ DAG.getStore(Val.getValue(1), dl, Val, FIN,
+ MachinePointerInfo(OrigArg, 4 * i), false, false, 0);
+ MemOps.push_back(Store);
+ FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), FIN,
+ DAG.getConstant(4, dl, getPointerTy()));
}
+
+ if (!MemOps.empty())
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, MemOps);
+ return FrameIndex;
}
// Setup stack frame, the va_list pointer will start from.
// the result of va_next.
// If there is no regs to be stored, just point address after last
// argument passed via stack.
- int FrameIndex =
- StoreByValRegs(CCInfo, DAG, dl, Chain, nullptr,
- CCInfo.getInRegsParamsCount(), 0, ArgOffset, 0, ForceMutable,
- 0, TotalArgRegsSaveSize);
-
+ int FrameIndex = StoreByValRegs(CCInfo, DAG, dl, Chain, nullptr,
+ CCInfo.getInRegsParamsCount(),
+ CCInfo.getNextStackOffset(), 4);
AFI->setVarArgsFrameIndex(FrameIndex);
}
isVarArg));
SmallVector<SDValue, 16> ArgValues;
- int lastInsIndex = -1;
SDValue ArgValue;
Function::const_arg_iterator CurOrigArg = MF.getFunction()->arg_begin();
unsigned CurArgIdx = 0;
// We also increase this value in case of varargs function.
AFI->setArgRegsSaveSize(0);
- unsigned ByValStoreOffset = 0;
- unsigned TotalArgRegsSaveSize = 0;
- unsigned ArgRegsSaveSizeMaxAlign = 4;
-
// Calculate the amount of stack space that we need to allocate to store
// byval and variadic arguments that are passed in registers.
// We need to know this before we allocate the first byval or variadic
// argument, as they will be allocated a stack slot below the CFA (Canonical
// Frame Address, the stack pointer at entry to the function).
+ unsigned ArgRegBegin = ARM::R4;
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
+ if (CCInfo.getInRegsParamsProcessed() >= CCInfo.getInRegsParamsCount())
+ break;
+
CCValAssign &VA = ArgLocs[i];
- if (VA.isMemLoc()) {
- int index = VA.getValNo();
- if (index != lastInsIndex) {
- ISD::ArgFlagsTy Flags = Ins[index].Flags;
- if (Flags.isByVal()) {
- unsigned ExtraArgRegsSize;
- unsigned ExtraArgRegsSaveSize;
- computeRegArea(CCInfo, MF, CCInfo.getInRegsParamsProcessed(),
- Flags.getByValSize(),
- ExtraArgRegsSize, ExtraArgRegsSaveSize);
-
- TotalArgRegsSaveSize += ExtraArgRegsSaveSize;
- if (Flags.getByValAlign() > ArgRegsSaveSizeMaxAlign)
- ArgRegsSaveSizeMaxAlign = Flags.getByValAlign();
- CCInfo.nextInRegsParam();
- }
- lastInsIndex = index;
- }
- }
+ unsigned Index = VA.getValNo();
+ ISD::ArgFlagsTy Flags = Ins[Index].Flags;
+ if (!Flags.isByVal())
+ continue;
+
+ assert(VA.isMemLoc() && "unexpected byval pointer in reg");
+ unsigned RBegin, REnd;
+ CCInfo.getInRegsParamInfo(CCInfo.getInRegsParamsProcessed(), RBegin, REnd);
+ ArgRegBegin = std::min(ArgRegBegin, RBegin);
+
+ CCInfo.nextInRegsParam();
}
CCInfo.rewindByValRegsInfo();
- lastInsIndex = -1;
+
+ int lastInsIndex = -1;
if (isVarArg && MFI->hasVAStart()) {
- unsigned ExtraArgRegsSize;
- unsigned ExtraArgRegsSaveSize;
- computeRegArea(CCInfo, MF, CCInfo.getInRegsParamsCount(), 0,
- ExtraArgRegsSize, ExtraArgRegsSaveSize);
- TotalArgRegsSaveSize += ExtraArgRegsSaveSize;
+ unsigned RegIdx = CCInfo.getFirstUnallocated(GPRArgRegs);
+ if (RegIdx != array_lengthof(GPRArgRegs))
+ ArgRegBegin = std::min(ArgRegBegin, (unsigned)GPRArgRegs[RegIdx]);
}
- // If the arg regs save area contains N-byte aligned values, the
- // bottom of it must be at least N-byte aligned.
- TotalArgRegsSaveSize = RoundUpToAlignment(TotalArgRegsSaveSize, ArgRegsSaveSizeMaxAlign);
- TotalArgRegsSaveSize = std::min(TotalArgRegsSaveSize, 16U);
+
+ unsigned TotalArgRegsSaveSize = 4 * (ARM::R4 - ArgRegBegin);
+ AFI->setArgRegsSaveSize(TotalArgRegsSaveSize);
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
- std::advance(CurOrigArg, Ins[VA.getValNo()].OrigArgIndex - CurArgIdx);
- CurArgIdx = Ins[VA.getValNo()].OrigArgIndex;
+ if (Ins[VA.getValNo()].isOrigArg()) {
+ std::advance(CurOrigArg,
+ Ins[VA.getValNo()].getOrigArgIndex() - CurArgIdx);
+ CurArgIdx = Ins[VA.getValNo()].getOrigArgIndex();
+ }
// Arguments stored in registers.
if (VA.isRegLoc()) {
EVT RegVT = VA.getLocVT();
}
ArgValue = DAG.getNode(ISD::UNDEF, dl, MVT::v2f64);
ArgValue = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64,
- ArgValue, ArgValue1, DAG.getIntPtrConstant(0));
+ ArgValue, ArgValue1,
+ DAG.getIntPtrConstant(0, dl));
ArgValue = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64,
- ArgValue, ArgValue2, DAG.getIntPtrConstant(1));
+ ArgValue, ArgValue2,
+ DAG.getIntPtrConstant(1, dl));
} else
ArgValue = GetF64FormalArgument(VA, ArgLocs[++i], Chain, DAG, dl);
assert(VA.isMemLoc());
assert(VA.getValVT() != MVT::i64 && "i64 should already be lowered");
- int index = ArgLocs[i].getValNo();
+ int index = VA.getValNo();
// Some Ins[] entries become multiple ArgLoc[] entries.
// Process them only once.
// Since they could be overwritten by lowering of arguments in case of
// a tail call.
if (Flags.isByVal()) {
+ assert(Ins[index].isOrigArg() &&
+ "Byval arguments cannot be implicit");
unsigned CurByValIndex = CCInfo.getInRegsParamsProcessed();
- ByValStoreOffset = RoundUpToAlignment(ByValStoreOffset, Flags.getByValAlign());
- int FrameIndex = StoreByValRegs(
- CCInfo, DAG, dl, Chain, CurOrigArg,
- CurByValIndex,
- Ins[VA.getValNo()].PartOffset,
- VA.getLocMemOffset(),
- Flags.getByValSize(),
- true /*force mutable frames*/,
- ByValStoreOffset,
- TotalArgRegsSaveSize);
- ByValStoreOffset += Flags.getByValSize();
- ByValStoreOffset = std::min(ByValStoreOffset, 16U);
+ int FrameIndex = StoreByValRegs(CCInfo, DAG, dl, Chain, CurOrigArg,
+ CurByValIndex, VA.getLocMemOffset(),
+ Flags.getByValSize());
InVals.push_back(DAG.getFrameIndex(FrameIndex, getPointerTy()));
CCInfo.nextInRegsParam();
} else {
case ISD::SETGE:
if (C != 0x80000000 && isLegalICmpImmediate(C-1)) {
CC = (CC == ISD::SETLT) ? ISD::SETLE : ISD::SETGT;
- RHS = DAG.getConstant(C-1, MVT::i32);
+ RHS = DAG.getConstant(C - 1, dl, MVT::i32);
}
break;
case ISD::SETULT:
case ISD::SETUGE:
if (C != 0 && isLegalICmpImmediate(C-1)) {
CC = (CC == ISD::SETULT) ? ISD::SETULE : ISD::SETUGT;
- RHS = DAG.getConstant(C-1, MVT::i32);
+ RHS = DAG.getConstant(C - 1, dl, MVT::i32);
}
break;
case ISD::SETLE:
case ISD::SETGT:
if (C != 0x7fffffff && isLegalICmpImmediate(C+1)) {
CC = (CC == ISD::SETLE) ? ISD::SETLT : ISD::SETGE;
- RHS = DAG.getConstant(C+1, MVT::i32);
+ RHS = DAG.getConstant(C + 1, dl, MVT::i32);
}
break;
case ISD::SETULE:
case ISD::SETUGT:
if (C != 0xffffffff && isLegalICmpImmediate(C+1)) {
CC = (CC == ISD::SETULE) ? ISD::SETULT : ISD::SETUGE;
- RHS = DAG.getConstant(C+1, MVT::i32);
+ RHS = DAG.getConstant(C + 1, dl, MVT::i32);
}
break;
}
CompareType = ARMISD::CMPZ;
break;
}
- ARMcc = DAG.getConstant(CondCode, MVT::i32);
+ ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
return DAG.getNode(CompareType, dl, MVT::Glue, LHS, RHS);
}
SDValue Value, OverflowCmp;
SDValue LHS = Op.getOperand(0);
SDValue RHS = Op.getOperand(1);
-
+ SDLoc dl(Op);
// FIXME: We are currently always generating CMPs because we don't support
// generating CMN through the backend. This is not as good as the natural
default:
llvm_unreachable("Unknown overflow instruction!");
case ISD::SADDO:
- ARMcc = DAG.getConstant(ARMCC::VC, MVT::i32);
- Value = DAG.getNode(ISD::ADD, SDLoc(Op), Op.getValueType(), LHS, RHS);
- OverflowCmp = DAG.getNode(ARMISD::CMP, SDLoc(Op), MVT::Glue, Value, LHS);
+ ARMcc = DAG.getConstant(ARMCC::VC, dl, MVT::i32);
+ Value = DAG.getNode(ISD::ADD, dl, Op.getValueType(), LHS, RHS);
+ OverflowCmp = DAG.getNode(ARMISD::CMP, dl, MVT::Glue, Value, LHS);
break;
case ISD::UADDO:
- ARMcc = DAG.getConstant(ARMCC::HS, MVT::i32);
- Value = DAG.getNode(ISD::ADD, SDLoc(Op), Op.getValueType(), LHS, RHS);
- OverflowCmp = DAG.getNode(ARMISD::CMP, SDLoc(Op), MVT::Glue, Value, LHS);
+ ARMcc = DAG.getConstant(ARMCC::HS, dl, MVT::i32);
+ Value = DAG.getNode(ISD::ADD, dl, Op.getValueType(), LHS, RHS);
+ OverflowCmp = DAG.getNode(ARMISD::CMP, dl, MVT::Glue, Value, LHS);
break;
case ISD::SSUBO:
- ARMcc = DAG.getConstant(ARMCC::VC, MVT::i32);
- Value = DAG.getNode(ISD::SUB, SDLoc(Op), Op.getValueType(), LHS, RHS);
- OverflowCmp = DAG.getNode(ARMISD::CMP, SDLoc(Op), MVT::Glue, LHS, RHS);
+ ARMcc = DAG.getConstant(ARMCC::VC, dl, MVT::i32);
+ Value = DAG.getNode(ISD::SUB, dl, Op.getValueType(), LHS, RHS);
+ OverflowCmp = DAG.getNode(ARMISD::CMP, dl, MVT::Glue, LHS, RHS);
break;
case ISD::USUBO:
- ARMcc = DAG.getConstant(ARMCC::HS, MVT::i32);
- Value = DAG.getNode(ISD::SUB, SDLoc(Op), Op.getValueType(), LHS, RHS);
- OverflowCmp = DAG.getNode(ARMISD::CMP, SDLoc(Op), MVT::Glue, LHS, RHS);
+ ARMcc = DAG.getConstant(ARMCC::HS, dl, MVT::i32);
+ Value = DAG.getNode(ISD::SUB, dl, Op.getValueType(), LHS, RHS);
+ OverflowCmp = DAG.getNode(ARMISD::CMP, dl, MVT::Glue, LHS, RHS);
break;
} // switch (...)
SDValue ARMcc;
std::tie(Value, OverflowCmp) = getARMXALUOOp(Op, DAG, ARMcc);
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ SDLoc dl(Op);
// We use 0 and 1 as false and true values.
- SDValue TVal = DAG.getConstant(1, MVT::i32);
- SDValue FVal = DAG.getConstant(0, MVT::i32);
+ SDValue TVal = DAG.getConstant(1, dl, MVT::i32);
+ SDValue FVal = DAG.getConstant(0, dl, MVT::i32);
EVT VT = Op.getValueType();
- SDValue Overflow = DAG.getNode(ARMISD::CMOV, SDLoc(Op), VT, TVal, FVal,
+ SDValue Overflow = DAG.getNode(ARMISD::CMOV, dl, VT, TVal, FVal,
ARMcc, CCR, OverflowCmp);
SDVTList VTs = DAG.getVTList(Op.getValueType(), MVT::i32);
- return DAG.getNode(ISD::MERGE_VALUES, SDLoc(Op), VTs, Value, Overflow);
+ return DAG.getNode(ISD::MERGE_VALUES, dl, VTs, Value, Overflow);
}
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
EVT VT = Op.getValueType();
- return getCMOV(SDLoc(Op), VT, SelectTrue, SelectFalse, ARMcc, CCR,
+ return getCMOV(dl, VT, SelectTrue, SelectFalse, ARMcc, CCR,
OverflowCmp, DAG);
}
// ARM's BooleanContents value is UndefinedBooleanContent. Mask out the
// undefined bits before doing a full-word comparison with zero.
Cond = DAG.getNode(ISD::AND, dl, Cond.getValueType(), Cond,
- DAG.getConstant(1, Cond.getValueType()));
+ DAG.getConstant(1, dl, Cond.getValueType()));
return DAG.getSelectCC(dl, Cond,
- DAG.getConstant(0, Cond.getValueType()),
+ DAG.getConstant(0, dl, Cond.getValueType()),
SelectTrue, SelectFalse, ISD::SETNE);
}
-static ISD::CondCode getInverseCCForVSEL(ISD::CondCode CC) {
- if (CC == ISD::SETNE)
- return ISD::SETEQ;
- return ISD::getSetCCInverse(CC, true);
-}
-
static void checkVSELConstraints(ISD::CondCode CC, ARMCC::CondCodes &CondCode,
bool &swpCmpOps, bool &swpVselOps) {
// Start by selecting the GE condition code for opcodes that return true for
// If softenSetCCOperands only returned one value, we should compare it to
// zero.
if (!RHS.getNode()) {
- RHS = DAG.getConstant(0, LHS.getValueType());
+ RHS = DAG.getConstant(0, dl, LHS.getValueType());
CC = ISD::SETNE;
}
}
// inverting the compare condition, swapping 'less' and 'greater') and
// sometimes need to swap the operands to the VSEL (which inverts the
// condition in the sense of firing whenever the previous condition didn't)
- if (getSubtarget()->hasFPARMv8() && (TrueVal.getValueType() == MVT::f32 ||
- TrueVal.getValueType() == MVT::f64)) {
+ if (Subtarget->hasFPARMv8() && (TrueVal.getValueType() == MVT::f32 ||
+ TrueVal.getValueType() == MVT::f64)) {
ARMCC::CondCodes CondCode = IntCCToARMCC(CC);
if (CondCode == ARMCC::LT || CondCode == ARMCC::LE ||
CondCode == ARMCC::VC || CondCode == ARMCC::NE) {
- CC = getInverseCCForVSEL(CC);
+ CC = ISD::getSetCCInverse(CC, true);
std::swap(TrueVal, FalseVal);
}
}
ARMCC::CondCodes CondCode, CondCode2;
FPCCToARMCC(CC, CondCode, CondCode2);
- // Try to generate VSEL on ARMv8.
- if (getSubtarget()->hasFPARMv8() && (TrueVal.getValueType() == MVT::f32 ||
- TrueVal.getValueType() == MVT::f64)) {
- // We can select VMAXNM/VMINNM from a compare followed by a select with the
+ // Try to generate VMAXNM/VMINNM on ARMv8.
+ if (Subtarget->hasFPARMv8() && (TrueVal.getValueType() == MVT::f32 ||
+ TrueVal.getValueType() == MVT::f64)) {
+ // We can use VMAXNM/VMINNM for a compare followed by a select with the
// same operands, as follows:
- // c = fcmp [ogt, olt, ugt, ult] a, b
+ // c = fcmp [?gt, ?ge, ?lt, ?le] a, b
// select c, a, b
- // We only do this in unsafe-fp-math, because signed zeros and NaNs are
- // handled differently than the original code sequence.
- if (getTargetMachine().Options.UnsafeFPMath) {
- if (LHS == TrueVal && RHS == FalseVal) {
- if (CC == ISD::SETOGT || CC == ISD::SETUGT)
- return DAG.getNode(ARMISD::VMAXNM, dl, VT, TrueVal, FalseVal);
- if (CC == ISD::SETOLT || CC == ISD::SETULT)
- return DAG.getNode(ARMISD::VMINNM, dl, VT, TrueVal, FalseVal);
- } else if (LHS == FalseVal && RHS == TrueVal) {
- if (CC == ISD::SETOLT || CC == ISD::SETULT)
- return DAG.getNode(ARMISD::VMAXNM, dl, VT, TrueVal, FalseVal);
- if (CC == ISD::SETOGT || CC == ISD::SETUGT)
- return DAG.getNode(ARMISD::VMINNM, dl, VT, TrueVal, FalseVal);
+ // In NoNaNsFPMath the CC will have been changed from, e.g., 'ogt' to 'gt'.
+ bool swapSides = false;
+ if (!getTargetMachine().Options.NoNaNsFPMath) {
+ // transformability may depend on which way around we compare
+ switch (CC) {
+ default:
+ break;
+ case ISD::SETOGT:
+ case ISD::SETOGE:
+ case ISD::SETOLT:
+ case ISD::SETOLE:
+ // the non-NaN should be RHS
+ swapSides = DAG.isKnownNeverNaN(LHS) && !DAG.isKnownNeverNaN(RHS);
+ break;
+ case ISD::SETUGT:
+ case ISD::SETUGE:
+ case ISD::SETULT:
+ case ISD::SETULE:
+ // the non-NaN should be LHS
+ swapSides = DAG.isKnownNeverNaN(RHS) && !DAG.isKnownNeverNaN(LHS);
+ break;
+ }
+ }
+ swapSides = swapSides || (LHS == FalseVal && RHS == TrueVal);
+ if (swapSides) {
+ CC = ISD::getSetCCSwappedOperands(CC);
+ std::swap(LHS, RHS);
+ }
+ if (LHS == TrueVal && RHS == FalseVal) {
+ bool canTransform = true;
+ // FIXME: FastMathFlags::noSignedZeros() doesn't appear reachable from here
+ if (!getTargetMachine().Options.UnsafeFPMath &&
+ !DAG.isKnownNeverZero(LHS) && !DAG.isKnownNeverZero(RHS)) {
+ const ConstantFPSDNode *Zero;
+ switch (CC) {
+ default:
+ break;
+ case ISD::SETOGT:
+ case ISD::SETUGT:
+ case ISD::SETGT:
+ // RHS must not be -0
+ canTransform = (Zero = dyn_cast<ConstantFPSDNode>(RHS)) &&
+ !Zero->isNegative();
+ break;
+ case ISD::SETOGE:
+ case ISD::SETUGE:
+ case ISD::SETGE:
+ // LHS must not be -0
+ canTransform = (Zero = dyn_cast<ConstantFPSDNode>(LHS)) &&
+ !Zero->isNegative();
+ break;
+ case ISD::SETOLT:
+ case ISD::SETULT:
+ case ISD::SETLT:
+ // RHS must not be +0
+ canTransform = (Zero = dyn_cast<ConstantFPSDNode>(RHS)) &&
+ Zero->isNegative();
+ break;
+ case ISD::SETOLE:
+ case ISD::SETULE:
+ case ISD::SETLE:
+ // LHS must not be +0
+ canTransform = (Zero = dyn_cast<ConstantFPSDNode>(LHS)) &&
+ Zero->isNegative();
+ break;
+ }
+ }
+ if (canTransform) {
+ // Note: If one of the elements in a pair is a number and the other
+ // element is NaN, the corresponding result element is the number.
+ // This is consistent with the IEEE 754-2008 standard.
+ // Therefore, a > b ? a : b <=> vmax(a,b), if b is constant and a is NaN
+ switch (CC) {
+ default:
+ break;
+ case ISD::SETOGT:
+ case ISD::SETOGE:
+ if (!DAG.isKnownNeverNaN(RHS))
+ break;
+ return DAG.getNode(ARMISD::VMAXNM, dl, VT, LHS, RHS);
+ case ISD::SETUGT:
+ case ISD::SETUGE:
+ if (!DAG.isKnownNeverNaN(LHS))
+ break;
+ case ISD::SETGT:
+ case ISD::SETGE:
+ return DAG.getNode(ARMISD::VMAXNM, dl, VT, LHS, RHS);
+ case ISD::SETOLT:
+ case ISD::SETOLE:
+ if (!DAG.isKnownNeverNaN(RHS))
+ break;
+ return DAG.getNode(ARMISD::VMINNM, dl, VT, LHS, RHS);
+ case ISD::SETULT:
+ case ISD::SETULE:
+ if (!DAG.isKnownNeverNaN(LHS))
+ break;
+ case ISD::SETLT:
+ case ISD::SETLE:
+ return DAG.getNode(ARMISD::VMINNM, dl, VT, LHS, RHS);
+ }
}
}
}
}
- SDValue ARMcc = DAG.getConstant(CondCode, MVT::i32);
+ SDValue ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
SDValue Result = getCMOV(dl, VT, FalseVal, TrueVal, ARMcc, CCR, Cmp, DAG);
if (CondCode2 != ARMCC::AL) {
- SDValue ARMcc2 = DAG.getConstant(CondCode2, MVT::i32);
+ SDValue ARMcc2 = DAG.getConstant(CondCode2, dl, MVT::i32);
// FIXME: Needs another CMP because flag can have but one use.
SDValue Cmp2 = getVFPCmp(LHS, RHS, DAG, dl);
Result = getCMOV(dl, VT, Result, TrueVal, ARMcc2, CCR, Cmp2, DAG);
static SDValue bitcastf32Toi32(SDValue Op, SelectionDAG &DAG) {
if (isFloatingPointZero(Op))
- return DAG.getConstant(0, MVT::i32);
+ return DAG.getConstant(0, SDLoc(Op), MVT::i32);
if (LoadSDNode *Ld = dyn_cast<LoadSDNode>(Op))
return DAG.getLoad(MVT::i32, SDLoc(Op),
static void expandf64Toi32(SDValue Op, SelectionDAG &DAG,
SDValue &RetVal1, SDValue &RetVal2) {
+ SDLoc dl(Op);
+
if (isFloatingPointZero(Op)) {
- RetVal1 = DAG.getConstant(0, MVT::i32);
- RetVal2 = DAG.getConstant(0, MVT::i32);
+ RetVal1 = DAG.getConstant(0, dl, MVT::i32);
+ RetVal2 = DAG.getConstant(0, dl, MVT::i32);
return;
}
if (LoadSDNode *Ld = dyn_cast<LoadSDNode>(Op)) {
SDValue Ptr = Ld->getBasePtr();
- RetVal1 = DAG.getLoad(MVT::i32, SDLoc(Op),
+ RetVal1 = DAG.getLoad(MVT::i32, dl,
Ld->getChain(), Ptr,
Ld->getPointerInfo(),
Ld->isVolatile(), Ld->isNonTemporal(),
EVT PtrType = Ptr.getValueType();
unsigned NewAlign = MinAlign(Ld->getAlignment(), 4);
- SDValue NewPtr = DAG.getNode(ISD::ADD, SDLoc(Op),
- PtrType, Ptr, DAG.getConstant(4, PtrType));
- RetVal2 = DAG.getLoad(MVT::i32, SDLoc(Op),
+ SDValue NewPtr = DAG.getNode(ISD::ADD, dl,
+ PtrType, Ptr, DAG.getConstant(4, dl, PtrType));
+ RetVal2 = DAG.getLoad(MVT::i32, dl,
Ld->getChain(), NewPtr,
Ld->getPointerInfo().getWithOffset(4),
Ld->isVolatile(), Ld->isNonTemporal(),
else if (CC == ISD::SETUNE)
CC = ISD::SETNE;
- SDValue Mask = DAG.getConstant(0x7fffffff, MVT::i32);
+ SDValue Mask = DAG.getConstant(0x7fffffff, dl, MVT::i32);
SDValue ARMcc;
if (LHS.getValueType() == MVT::f32) {
LHS = DAG.getNode(ISD::AND, dl, MVT::i32,
LHS2 = DAG.getNode(ISD::AND, dl, MVT::i32, LHS2, Mask);
RHS2 = DAG.getNode(ISD::AND, dl, MVT::i32, RHS2, Mask);
ARMCC::CondCodes CondCode = IntCCToARMCC(CC);
- ARMcc = DAG.getConstant(CondCode, MVT::i32);
+ ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
SDVTList VTList = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, ARMcc, LHS1, LHS2, RHS1, RHS2, Dest };
return DAG.getNode(ARMISD::BCC_i64, dl, VTList, Ops);
// If softenSetCCOperands only returned one value, we should compare it to
// zero.
if (!RHS.getNode()) {
- RHS = DAG.getConstant(0, LHS.getValueType());
+ RHS = DAG.getConstant(0, dl, LHS.getValueType());
CC = ISD::SETNE;
}
}
ARMCC::CondCodes CondCode, CondCode2;
FPCCToARMCC(CC, CondCode, CondCode2);
- SDValue ARMcc = DAG.getConstant(CondCode, MVT::i32);
+ SDValue ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
SDVTList VTList = DAG.getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, Dest, ARMcc, CCR, Cmp };
SDValue Res = DAG.getNode(ARMISD::BRCOND, dl, VTList, Ops);
if (CondCode2 != ARMCC::AL) {
- ARMcc = DAG.getConstant(CondCode2, MVT::i32);
+ ARMcc = DAG.getConstant(CondCode2, dl, MVT::i32);
SDValue Ops[] = { Res, Dest, ARMcc, CCR, Res.getValue(1) };
Res = DAG.getNode(ARMISD::BRCOND, dl, VTList, Ops);
}
EVT PTy = getPointerTy();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Table);
- ARMFunctionInfo *AFI = DAG.getMachineFunction().getInfo<ARMFunctionInfo>();
- SDValue UId = DAG.getConstant(AFI->createJumpTableUId(), PTy);
SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PTy);
- Table = DAG.getNode(ARMISD::WrapperJT, dl, MVT::i32, JTI, UId);
- Index = DAG.getNode(ISD::MUL, dl, PTy, Index, DAG.getConstant(4, PTy));
+ Table = DAG.getNode(ARMISD::WrapperJT, dl, MVT::i32, JTI);
+ Index = DAG.getNode(ISD::MUL, dl, PTy, Index, DAG.getConstant(4, dl, PTy));
SDValue Addr = DAG.getNode(ISD::ADD, dl, PTy, Index, Table);
if (Subtarget->isThumb2()) {
// Thumb2 uses a two-level jump. That is, it jumps into the jump table
// to translate it to TBB / TBH later.
// FIXME: This might not work if the function is extremely large.
return DAG.getNode(ARMISD::BR2_JT, dl, MVT::Other, Chain,
- Addr, Op.getOperand(2), JTI, UId);
+ Addr, Op.getOperand(2), JTI);
}
if (getTargetMachine().getRelocationModel() == Reloc::PIC_) {
Addr = DAG.getLoad((EVT)MVT::i32, dl, Chain, Addr,
false, false, false, 0);
Chain = Addr.getValue(1);
Addr = DAG.getNode(ISD::ADD, dl, PTy, Addr, Table);
- return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI, UId);
+ return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI);
} else {
Addr = DAG.getLoad(PTy, dl, Chain, Addr,
MachinePointerInfo::getJumpTable(),
false, false, false, 0);
Chain = Addr.getValue(1);
- return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI, UId);
+ return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI);
}
}
EVT VT = Op.getValueType();
if (VT.isVector())
return LowerVectorFP_TO_INT(Op, DAG);
-
if (Subtarget->isFPOnlySP() && Op.getOperand(0).getValueType() == MVT::f64) {
RTLIB::Libcall LC;
if (Op.getOpcode() == ISD::FP_TO_SINT)
/*isSigned*/ false, SDLoc(Op)).first;
}
- SDLoc dl(Op);
- unsigned Opc;
-
- switch (Op.getOpcode()) {
- default: llvm_unreachable("Invalid opcode!");
- case ISD::FP_TO_SINT:
- Opc = ARMISD::FTOSI;
- break;
- case ISD::FP_TO_UINT:
- Opc = ARMISD::FTOUI;
- break;
- }
- Op = DAG.getNode(Opc, dl, MVT::f32, Op.getOperand(0));
- return DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
+ return Op;
}
static SDValue LowerVectorINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
EVT VT = Op.getValueType();
if (VT.isVector())
return LowerVectorINT_TO_FP(Op, DAG);
-
if (Subtarget->isFPOnlySP() && Op.getValueType() == MVT::f64) {
RTLIB::Libcall LC;
if (Op.getOpcode() == ISD::SINT_TO_FP)
/*isSigned*/ false, SDLoc(Op)).first;
}
- SDLoc dl(Op);
- unsigned Opc;
-
- switch (Op.getOpcode()) {
- default: llvm_unreachable("Invalid opcode!");
- case ISD::SINT_TO_FP:
- Opc = ARMISD::SITOF;
- break;
- case ISD::UINT_TO_FP:
- Opc = ARMISD::UITOF;
- break;
- }
-
- Op = DAG.getNode(ISD::BITCAST, dl, MVT::f32, Op.getOperand(0));
- return DAG.getNode(Opc, dl, VT, Op);
+ return Op;
}
SDValue ARMTargetLowering::LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const {
// Use VBSL to copy the sign bit.
unsigned EncodedVal = ARM_AM::createNEONModImm(0x6, 0x80);
SDValue Mask = DAG.getNode(ARMISD::VMOVIMM, dl, MVT::v2i32,
- DAG.getTargetConstant(EncodedVal, MVT::i32));
+ DAG.getTargetConstant(EncodedVal, dl, MVT::i32));
EVT OpVT = (VT == MVT::f32) ? MVT::v2i32 : MVT::v1i64;
if (VT == MVT::f64)
Mask = DAG.getNode(ARMISD::VSHL, dl, OpVT,
DAG.getNode(ISD::BITCAST, dl, OpVT, Mask),
- DAG.getConstant(32, MVT::i32));
+ DAG.getConstant(32, dl, MVT::i32));
else /*if (VT == MVT::f32)*/
Tmp0 = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v2f32, Tmp0);
if (SrcVT == MVT::f32) {
if (VT == MVT::f64)
Tmp1 = DAG.getNode(ARMISD::VSHL, dl, OpVT,
DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp1),
- DAG.getConstant(32, MVT::i32));
+ DAG.getConstant(32, dl, MVT::i32));
} else if (VT == MVT::f32)
Tmp1 = DAG.getNode(ARMISD::VSHRu, dl, MVT::v1i64,
DAG.getNode(ISD::BITCAST, dl, MVT::v1i64, Tmp1),
- DAG.getConstant(32, MVT::i32));
+ DAG.getConstant(32, dl, MVT::i32));
Tmp0 = DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp0);
Tmp1 = DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp1);
SDValue AllOnes = DAG.getTargetConstant(ARM_AM::createNEONModImm(0xe, 0xff),
- MVT::i32);
+ dl, MVT::i32);
AllOnes = DAG.getNode(ARMISD::VMOVIMM, dl, MVT::v8i8, AllOnes);
SDValue MaskNot = DAG.getNode(ISD::XOR, dl, OpVT, Mask,
DAG.getNode(ISD::BITCAST, dl, OpVT, AllOnes));
if (VT == MVT::f32) {
Res = DAG.getNode(ISD::BITCAST, dl, MVT::v2f32, Res);
Res = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f32, Res,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
} else {
Res = DAG.getNode(ISD::BITCAST, dl, MVT::f64, Res);
}
Tmp1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Tmp1);
// Or in the signbit with integer operations.
- SDValue Mask1 = DAG.getConstant(0x80000000, MVT::i32);
- SDValue Mask2 = DAG.getConstant(0x7fffffff, MVT::i32);
+ SDValue Mask1 = DAG.getConstant(0x80000000, dl, MVT::i32);
+ SDValue Mask2 = DAG.getConstant(0x7fffffff, dl, MVT::i32);
Tmp1 = DAG.getNode(ISD::AND, dl, MVT::i32, Tmp1, Mask1);
if (VT == MVT::f32) {
Tmp0 = DAG.getNode(ISD::AND, dl, MVT::i32,
unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
if (Depth) {
SDValue FrameAddr = LowerFRAMEADDR(Op, DAG);
- SDValue Offset = DAG.getConstant(4, MVT::i32);
+ SDValue Offset = DAG.getConstant(4, dl, MVT::i32);
return DAG.getLoad(VT, dl, DAG.getEntryNode(),
DAG.getNode(ISD::ADD, dl, VT, FrameAddr, Offset),
MachinePointerInfo(), false, false, false, 0);
.Default(0);
if (Reg)
return Reg;
- report_fatal_error("Invalid register name global variable");
+ report_fatal_error(Twine("Invalid register name \""
+ + StringRef(RegName) + "\"."));
+}
+
+// Result is 64 bit value so split into two 32 bit values and return as a
+// pair of values.
+static void ExpandREAD_REGISTER(SDNode *N, SmallVectorImpl<SDValue> &Results,
+ SelectionDAG &DAG) {
+ SDLoc DL(N);
+
+ // This function is only supposed to be called for i64 type destination.
+ assert(N->getValueType(0) == MVT::i64
+ && "ExpandREAD_REGISTER called for non-i64 type result.");
+
+ SDValue Read = DAG.getNode(ISD::READ_REGISTER, DL,
+ DAG.getVTList(MVT::i32, MVT::i32, MVT::Other),
+ N->getOperand(0),
+ N->getOperand(1));
+
+ Results.push_back(DAG.getNode(ISD::BUILD_PAIR, DL, MVT::i64, Read.getValue(0),
+ Read.getValue(1)));
+ Results.push_back(Read.getOperand(0));
}
/// ExpandBITCAST - If the target supports VFP, this function is called to
// Turn i64->f64 into VMOVDRR.
if (SrcVT == MVT::i64 && TLI.isTypeLegal(DstVT)) {
SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
- DAG.getConstant(1, MVT::i32));
+ DAG.getConstant(1, dl, MVT::i32));
return DAG.getNode(ISD::BITCAST, dl, DstVT,
DAG.getNode(ARMISD::VMOVDRR, dl, MVT::f64, Lo, Hi));
}
static SDValue getZeroVector(EVT VT, SelectionDAG &DAG, SDLoc dl) {
assert(VT.isVector() && "Expected a vector type");
// The canonical modified immediate encoding of a zero vector is....0!
- SDValue EncodedVal = DAG.getTargetConstant(0, MVT::i32);
+ SDValue EncodedVal = DAG.getTargetConstant(0, dl, MVT::i32);
EVT VmovVT = VT.is128BitVector() ? MVT::v4i32 : MVT::v2i32;
SDValue Vmov = DAG.getNode(ARMISD::VMOVIMM, dl, VmovVT, EncodedVal);
return DAG.getNode(ISD::BITCAST, dl, VT, Vmov);
assert(Op.getOpcode() == ISD::SRA_PARTS || Op.getOpcode() == ISD::SRL_PARTS);
SDValue RevShAmt = DAG.getNode(ISD::SUB, dl, MVT::i32,
- DAG.getConstant(VTBits, MVT::i32), ShAmt);
+ DAG.getConstant(VTBits, dl, MVT::i32), ShAmt);
SDValue Tmp1 = DAG.getNode(ISD::SRL, dl, VT, ShOpLo, ShAmt);
SDValue ExtraShAmt = DAG.getNode(ISD::SUB, dl, MVT::i32, ShAmt,
- DAG.getConstant(VTBits, MVT::i32));
+ DAG.getConstant(VTBits, dl, MVT::i32));
SDValue Tmp2 = DAG.getNode(ISD::SHL, dl, VT, ShOpHi, RevShAmt);
SDValue FalseVal = DAG.getNode(ISD::OR, dl, VT, Tmp1, Tmp2);
SDValue TrueVal = DAG.getNode(Opc, dl, VT, ShOpHi, ExtraShAmt);
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- SDValue Cmp = getARMCmp(ExtraShAmt, DAG.getConstant(0, MVT::i32), ISD::SETGE,
- ARMcc, DAG, dl);
+ SDValue Cmp = getARMCmp(ExtraShAmt, DAG.getConstant(0, dl, MVT::i32),
+ ISD::SETGE, ARMcc, DAG, dl);
SDValue Hi = DAG.getNode(Opc, dl, VT, ShOpHi, ShAmt);
SDValue Lo = DAG.getNode(ARMISD::CMOV, dl, VT, FalseVal, TrueVal, ARMcc,
CCR, Cmp);
assert(Op.getOpcode() == ISD::SHL_PARTS);
SDValue RevShAmt = DAG.getNode(ISD::SUB, dl, MVT::i32,
- DAG.getConstant(VTBits, MVT::i32), ShAmt);
+ DAG.getConstant(VTBits, dl, MVT::i32), ShAmt);
SDValue Tmp1 = DAG.getNode(ISD::SRL, dl, VT, ShOpLo, RevShAmt);
SDValue ExtraShAmt = DAG.getNode(ISD::SUB, dl, MVT::i32, ShAmt,
- DAG.getConstant(VTBits, MVT::i32));
+ DAG.getConstant(VTBits, dl, MVT::i32));
SDValue Tmp2 = DAG.getNode(ISD::SHL, dl, VT, ShOpHi, ShAmt);
SDValue Tmp3 = DAG.getNode(ISD::SHL, dl, VT, ShOpLo, ExtraShAmt);
SDValue FalseVal = DAG.getNode(ISD::OR, dl, VT, Tmp1, Tmp2);
SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- SDValue Cmp = getARMCmp(ExtraShAmt, DAG.getConstant(0, MVT::i32), ISD::SETGE,
- ARMcc, DAG, dl);
+ SDValue Cmp = getARMCmp(ExtraShAmt, DAG.getConstant(0, dl, MVT::i32),
+ ISD::SETGE, ARMcc, DAG, dl);
SDValue Lo = DAG.getNode(ISD::SHL, dl, VT, ShOpLo, ShAmt);
SDValue Hi = DAG.getNode(ARMISD::CMOV, dl, VT, FalseVal, Tmp3, ARMcc,
CCR, Cmp);
// so that the shift + and get folded into a bitfield extract.
SDLoc dl(Op);
SDValue FPSCR = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::i32,
- DAG.getConstant(Intrinsic::arm_get_fpscr,
+ DAG.getConstant(Intrinsic::arm_get_fpscr, dl,
MVT::i32));
SDValue FltRounds = DAG.getNode(ISD::ADD, dl, MVT::i32, FPSCR,
- DAG.getConstant(1U << 22, MVT::i32));
+ DAG.getConstant(1U << 22, dl, MVT::i32));
SDValue RMODE = DAG.getNode(ISD::SRL, dl, MVT::i32, FltRounds,
- DAG.getConstant(22, MVT::i32));
+ DAG.getConstant(22, dl, MVT::i32));
return DAG.getNode(ISD::AND, dl, MVT::i32, RMODE,
- DAG.getConstant(3, MVT::i32));
+ DAG.getConstant(3, dl, MVT::i32));
}
static SDValue LowerCTTZ(SDNode *N, SelectionDAG &DAG,
if (VT.is64BitVector()) {
SDValue Extended = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::v8i16, BitCounts);
return DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, MVT::v4i16, Extended,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, DL));
} else {
SDValue Extracted = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, MVT::v8i8,
- BitCounts, DAG.getIntPtrConstant(0));
+ BitCounts, DAG.getIntPtrConstant(0, DL));
return DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::v8i16, Extracted);
}
}
if (VT.is64BitVector()) {
SDValue Extended = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::v4i32, N2);
return DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, MVT::v2i32, Extended,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, DL));
} else {
SDValue Extracted = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, MVT::v4i16, N2,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, DL));
return DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::v4i32, Extracted);
}
}
// Left shifts translate directly to the vshiftu intrinsic.
if (N->getOpcode() == ISD::SHL)
return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
- DAG.getConstant(Intrinsic::arm_neon_vshiftu, MVT::i32),
+ DAG.getConstant(Intrinsic::arm_neon_vshiftu, dl,
+ MVT::i32),
N->getOperand(0), N->getOperand(1));
assert((N->getOpcode() == ISD::SRA ||
Intrinsic::arm_neon_vshifts :
Intrinsic::arm_neon_vshiftu);
return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
- DAG.getConstant(vshiftInt, MVT::i32),
+ DAG.getConstant(vshiftInt, dl, MVT::i32),
N->getOperand(0), NegatedCount);
}
// Okay, we have a 64-bit SRA or SRL of 1. Lower this to an RRX expr.
SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, N->getOperand(0),
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, dl, MVT::i32));
SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, N->getOperand(0),
- DAG.getConstant(1, MVT::i32));
+ DAG.getConstant(1, dl, MVT::i32));
// First, build a SRA_FLAG/SRL_FLAG op, which shifts the top part by one and
// captures the result into a carry flag.
SDValue Op0 = Op.getOperand(0);
SDValue Op1 = Op.getOperand(1);
SDValue CC = Op.getOperand(2);
+ EVT CmpVT = Op0.getValueType().changeVectorElementTypeToInteger();
EVT VT = Op.getValueType();
ISD::CondCode SetCCOpcode = cast<CondCodeSDNode>(CC)->get();
SDLoc dl(Op);
TmpOp0 = Op0;
TmpOp1 = Op1;
Opc = ISD::OR;
- Op0 = DAG.getNode(ARMISD::VCGT, dl, VT, TmpOp1, TmpOp0);
- Op1 = DAG.getNode(ARMISD::VCGT, dl, VT, TmpOp0, TmpOp1);
+ Op0 = DAG.getNode(ARMISD::VCGT, dl, CmpVT, TmpOp1, TmpOp0);
+ Op1 = DAG.getNode(ARMISD::VCGT, dl, CmpVT, TmpOp0, TmpOp1);
break;
case ISD::SETUO: Invert = true; // Fallthrough
case ISD::SETO:
TmpOp0 = Op0;
TmpOp1 = Op1;
Opc = ISD::OR;
- Op0 = DAG.getNode(ARMISD::VCGT, dl, VT, TmpOp1, TmpOp0);
- Op1 = DAG.getNode(ARMISD::VCGE, dl, VT, TmpOp0, TmpOp1);
+ Op0 = DAG.getNode(ARMISD::VCGT, dl, CmpVT, TmpOp1, TmpOp0);
+ Op1 = DAG.getNode(ARMISD::VCGE, dl, CmpVT, TmpOp0, TmpOp1);
break;
}
} else {
if (AndOp.getNode() && AndOp.getOpcode() == ISD::AND) {
Opc = ARMISD::VTST;
- Op0 = DAG.getNode(ISD::BITCAST, dl, VT, AndOp.getOperand(0));
- Op1 = DAG.getNode(ISD::BITCAST, dl, VT, AndOp.getOperand(1));
+ Op0 = DAG.getNode(ISD::BITCAST, dl, CmpVT, AndOp.getOperand(0));
+ Op1 = DAG.getNode(ISD::BITCAST, dl, CmpVT, AndOp.getOperand(1));
Invert = !Invert;
}
}
if (SingleOp.getNode()) {
switch (Opc) {
case ARMISD::VCEQ:
- Result = DAG.getNode(ARMISD::VCEQZ, dl, VT, SingleOp); break;
+ Result = DAG.getNode(ARMISD::VCEQZ, dl, CmpVT, SingleOp); break;
case ARMISD::VCGE:
- Result = DAG.getNode(ARMISD::VCGEZ, dl, VT, SingleOp); break;
+ Result = DAG.getNode(ARMISD::VCGEZ, dl, CmpVT, SingleOp); break;
case ARMISD::VCLEZ:
- Result = DAG.getNode(ARMISD::VCLEZ, dl, VT, SingleOp); break;
+ Result = DAG.getNode(ARMISD::VCLEZ, dl, CmpVT, SingleOp); break;
case ARMISD::VCGT:
- Result = DAG.getNode(ARMISD::VCGTZ, dl, VT, SingleOp); break;
+ Result = DAG.getNode(ARMISD::VCGTZ, dl, CmpVT, SingleOp); break;
case ARMISD::VCLTZ:
- Result = DAG.getNode(ARMISD::VCLTZ, dl, VT, SingleOp); break;
+ Result = DAG.getNode(ARMISD::VCLTZ, dl, CmpVT, SingleOp); break;
default:
- Result = DAG.getNode(Opc, dl, VT, Op0, Op1);
+ Result = DAG.getNode(Opc, dl, CmpVT, Op0, Op1);
}
} else {
- Result = DAG.getNode(Opc, dl, VT, Op0, Op1);
+ Result = DAG.getNode(Opc, dl, CmpVT, Op0, Op1);
}
+ Result = DAG.getSExtOrTrunc(Result, dl, VT);
+
if (Invert)
Result = DAG.getNOT(dl, Result, VT);
/// operand (e.g., VMOV). If so, return the encoded value.
static SDValue isNEONModifiedImm(uint64_t SplatBits, uint64_t SplatUndef,
unsigned SplatBitSize, SelectionDAG &DAG,
- EVT &VT, bool is128Bits, NEONModImmType type) {
+ SDLoc dl, EVT &VT, bool is128Bits,
+ NEONModImmType type) {
unsigned OpCmode, Imm;
// SplatBitSize is set to the smallest size that splats the vector, so a
}
unsigned EncodedVal = ARM_AM::createNEONModImm(OpCmode, Imm);
- return DAG.getTargetConstant(EncodedVal, MVT::i32);
+ return DAG.getTargetConstant(EncodedVal, dl, MVT::i32);
}
SDValue ARMTargetLowering::LowerConstantFP(SDValue Op, SelectionDAG &DAG,
// It's a float and we are trying to use NEON operations where
// possible. Lower it to a splat followed by an extract.
SDLoc DL(Op);
- SDValue NewVal = DAG.getTargetConstant(ImmVal, MVT::i32);
+ SDValue NewVal = DAG.getTargetConstant(ImmVal, DL, MVT::i32);
SDValue VecConstant = DAG.getNode(ARMISD::VMOVFPIMM, DL, MVT::v2f32,
NewVal);
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, VecConstant,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, DL, MVT::i32));
}
// The rest of our options are NEON only, make sure that's allowed before
return SDValue();
// Try a VMOV.i32 (FIXME: i8, i16, or i64 could work too).
- SDValue NewVal = isNEONModifiedImm(iVal & 0xffffffffU, 0, 32, DAG, VMovVT,
- false, VMOVModImm);
+ SDValue NewVal = isNEONModifiedImm(iVal & 0xffffffffU, 0, 32, DAG, SDLoc(Op),
+ VMovVT, false, VMOVModImm);
if (NewVal != SDValue()) {
SDLoc DL(Op);
SDValue VecConstant = DAG.getNode(ARMISD::VMOVIMM, DL, VMovVT,
SDValue VecFConstant = DAG.getNode(ISD::BITCAST, DL, MVT::v2f32,
VecConstant);
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, VecFConstant,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, DL, MVT::i32));
}
// Finally, try a VMVN.i32
- NewVal = isNEONModifiedImm(~iVal & 0xffffffffU, 0, 32, DAG, VMovVT,
+ NewVal = isNEONModifiedImm(~iVal & 0xffffffffU, 0, 32, DAG, SDLoc(Op), VMovVT,
false, VMVNModImm);
if (NewVal != SDValue()) {
SDLoc DL(Op);
SDValue VecFConstant = DAG.getNode(ISD::BITCAST, DL, MVT::v2f32,
VecConstant);
return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, VecFConstant,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, DL, MVT::i32));
}
return SDValue();
if (ST->isThumb1Only()) {
if (Val <= 255 || ~Val <= 255)
- return DAG.getConstant(Val, MVT::i32);
+ return DAG.getConstant(Val, dl, MVT::i32);
} else {
if (ARM_AM::getSOImmVal(Val) != -1 || ARM_AM::getSOImmVal(~Val) != -1)
- return DAG.getConstant(Val, MVT::i32);
+ return DAG.getConstant(Val, dl, MVT::i32);
}
return SDValue();
}
EVT VmovVT;
SDValue Val = isNEONModifiedImm(SplatBits.getZExtValue(),
SplatUndef.getZExtValue(), SplatBitSize,
- DAG, VmovVT, VT.is128BitVector(),
+ DAG, dl, VmovVT, VT.is128BitVector(),
VMOVModImm);
if (Val.getNode()) {
SDValue Vmov = DAG.getNode(ARMISD::VMOVIMM, dl, VmovVT, Val);
uint64_t NegatedImm = (~SplatBits).getZExtValue();
Val = isNEONModifiedImm(NegatedImm,
SplatUndef.getZExtValue(), SplatBitSize,
- DAG, VmovVT, VT.is128BitVector(),
+ DAG, dl, VmovVT, VT.is128BitVector(),
VMVNModImm);
if (Val.getNode()) {
SDValue Vmov = DAG.getNode(ARMISD::VMVNIMM, dl, VmovVT, Val);
if ((VT == MVT::v2f32 || VT == MVT::v4f32) && SplatBitSize == 32) {
int ImmVal = ARM_AM::getFP32Imm(SplatBits);
if (ImmVal != -1) {
- SDValue Val = DAG.getTargetConstant(ImmVal, MVT::i32);
+ SDValue Val = DAG.getTargetConstant(ImmVal, dl, MVT::i32);
return DAG.getNode(ARMISD::VMOVFPIMM, dl, VT, Val);
}
}
VT.getVectorNumElements();
N = DAG.getNode(ARMISD::VDUPLANE, dl, VT,
DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VT, DAG.getUNDEF(VT),
- Value, DAG.getConstant(index, MVT::i32)),
- DAG.getConstant(index, MVT::i32));
+ Value, DAG.getConstant(index, dl, MVT::i32)),
+ DAG.getConstant(index, dl, MVT::i32));
} else
N = DAG.getNode(ARMISD::VDUPLANE, dl, VT,
Value->getOperand(0), Value->getOperand(1));
SmallVector<SDValue, 3> Ops;
Ops.push_back(N);
Ops.push_back(Op.getOperand(I));
- Ops.push_back(DAG.getConstant(I, MVT::i32));
+ Ops.push_back(DAG.getConstant(I, dl, MVT::i32));
N = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VT, Ops);
}
}
SDValue V = Op.getOperand(i);
if (V.getOpcode() == ISD::UNDEF)
continue;
- SDValue LaneIdx = DAG.getConstant(i, MVT::i32);
+ SDValue LaneIdx = DAG.getConstant(i, dl, MVT::i32);
Vec = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VT, Vec, V, LaneIdx);
}
return Vec;
VEXTOffsets[i] = NumElts;
ShuffleSrcs[i] = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VT,
SourceVecs[i],
- DAG.getIntPtrConstant(NumElts));
+ DAG.getIntPtrConstant(NumElts, dl));
} else if (MaxElts[i] < NumElts) {
// The extraction can just take the first half
VEXTOffsets[i] = 0;
ShuffleSrcs[i] = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VT,
SourceVecs[i],
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
} else {
// An actual VEXT is needed
VEXTOffsets[i] = MinElts[i];
SDValue VEXTSrc1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VT,
SourceVecs[i],
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
SDValue VEXTSrc2 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VT,
SourceVecs[i],
- DAG.getIntPtrConstant(NumElts));
+ DAG.getIntPtrConstant(NumElts, dl));
ShuffleSrcs[i] = DAG.getNode(ARMISD::VEXT, dl, VT, VEXTSrc1, VEXTSrc2,
- DAG.getConstant(VEXTOffsets[i], MVT::i32));
+ DAG.getConstant(VEXTOffsets[i], dl,
+ MVT::i32));
}
}
case OP_VDUP2:
case OP_VDUP3:
return DAG.getNode(ARMISD::VDUPLANE, dl, VT,
- OpLHS, DAG.getConstant(OpNum-OP_VDUP0, MVT::i32));
+ OpLHS, DAG.getConstant(OpNum-OP_VDUP0, dl, MVT::i32));
case OP_VEXT1:
case OP_VEXT2:
case OP_VEXT3:
return DAG.getNode(ARMISD::VEXT, dl, VT,
OpLHS, OpRHS,
- DAG.getConstant(OpNum-OP_VEXT1+1, MVT::i32));
+ DAG.getConstant(OpNum - OP_VEXT1 + 1, dl, MVT::i32));
case OP_VUZPL:
case OP_VUZPR:
return DAG.getNode(ARMISD::VUZP, dl, DAG.getVTList(VT, VT),
SmallVector<SDValue, 8> VTBLMask;
for (ArrayRef<int>::iterator
I = ShuffleMask.begin(), E = ShuffleMask.end(); I != E; ++I)
- VTBLMask.push_back(DAG.getConstant(*I, MVT::i32));
+ VTBLMask.push_back(DAG.getConstant(*I, DL, MVT::i32));
if (V2.getNode()->getOpcode() == ISD::UNDEF)
return DAG.getNode(ARMISD::VTBL1, DL, MVT::v8i8, V1,
// into the bottom double word. The v8i16 case is similar.
unsigned ExtractNum = (VT == MVT::v16i8) ? 8 : 4;
return DAG.getNode(ARMISD::VEXT, DL, VT, OpLHS, OpLHS,
- DAG.getConstant(ExtractNum, MVT::i32));
+ DAG.getConstant(ExtractNum, DL, MVT::i32));
}
static SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) {
return DAG.getNode(ARMISD::VDUP, dl, VT, V1.getOperand(0));
}
return DAG.getNode(ARMISD::VDUPLANE, dl, VT, V1,
- DAG.getConstant(Lane, MVT::i32));
+ DAG.getConstant(Lane, dl, MVT::i32));
}
bool ReverseVEXT;
if (ReverseVEXT)
std::swap(V1, V2);
return DAG.getNode(ARMISD::VEXT, dl, VT, V1, V2,
- DAG.getConstant(Imm, MVT::i32));
+ DAG.getConstant(Imm, dl, MVT::i32));
}
if (isVREVMask(ShuffleMask, VT, 64))
if (V2->getOpcode() == ISD::UNDEF &&
isSingletonVEXTMask(ShuffleMask, VT, Imm)) {
return DAG.getNode(ARMISD::VEXT, dl, VT, V1, V1,
- DAG.getConstant(Imm, MVT::i32));
+ DAG.getConstant(Imm, dl, MVT::i32));
}
// Check for Neon shuffles that modify both input vectors in place.
Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, EltVT,
ShuffleMask[i] < (int)NumElts ? V1 : V2,
DAG.getConstant(ShuffleMask[i] & (NumElts-1),
- MVT::i32)));
+ dl, MVT::i32)));
}
SDValue Val = DAG.getNode(ARMISD::BUILD_VECTOR, dl, VecVT, Ops);
return DAG.getNode(ISD::BITCAST, dl, VT, Val);
if (Op0.getOpcode() != ISD::UNDEF)
Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Val,
DAG.getNode(ISD::BITCAST, dl, MVT::f64, Op0),
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
if (Op1.getOpcode() != ISD::UNDEF)
Val = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64, Val,
DAG.getNode(ISD::BITCAST, dl, MVT::f64, Op1),
- DAG.getIntPtrConstant(1));
+ DAG.getIntPtrConstant(1, dl));
return DAG.getNode(ISD::BITCAST, dl, Op.getValueType(), Val);
}
unsigned NumElts = VT.getVectorNumElements();
MVT TruncVT = MVT::getIntegerVT(EltSize);
SmallVector<SDValue, 8> Ops;
+ SDLoc dl(N);
for (unsigned i = 0; i != NumElts; ++i) {
ConstantSDNode *C = cast<ConstantSDNode>(N->getOperand(i));
const APInt &CInt = C->getAPIntValue();
// Element types smaller than 32 bits are not legal, so use i32 elements.
// The values are implicitly truncated so sext vs. zext doesn't matter.
- Ops.push_back(DAG.getConstant(CInt.zextOrTrunc(32), MVT::i32));
+ Ops.push_back(DAG.getConstant(CInt.zextOrTrunc(32), dl, MVT::i32));
}
- return DAG.getNode(ISD::BUILD_VECTOR, SDLoc(N),
+ return DAG.getNode(ISD::BUILD_VECTOR, dl,
MVT::getVectorVT(TruncVT, NumElts), Ops);
}
// Get reciprocal estimate.
// float4 recip = vrecpeq_f32(yf);
Y = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecpe, MVT::i32), Y);
+ DAG.getConstant(Intrinsic::arm_neon_vrecpe, dl, MVT::i32),
+ Y);
// Because char has a smaller range than uchar, we can actually get away
// without any newton steps. This requires that we use a weird bias
// of 0xb000, however (again, this has been exhaustively tested).
// float4 result = as_float4(as_int4(xf*recip) + 0xb000);
X = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, X, Y);
X = DAG.getNode(ISD::BITCAST, dl, MVT::v4i32, X);
- Y = DAG.getConstant(0xb000, MVT::i32);
+ Y = DAG.getConstant(0xb000, dl, MVT::i32);
Y = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, Y, Y, Y, Y);
X = DAG.getNode(ISD::ADD, dl, MVT::v4i32, X, Y);
X = DAG.getNode(ISD::BITCAST, dl, MVT::v4f32, X);
// float4 recip = vrecpeq_f32(yf);
// recip *= vrecpsq_f32(yf, recip);
N2 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecpe, MVT::i32), N1);
+ DAG.getConstant(Intrinsic::arm_neon_vrecpe, dl, MVT::i32),
+ N1);
N1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecps, MVT::i32),
+ DAG.getConstant(Intrinsic::arm_neon_vrecps, dl, MVT::i32),
N1, N2);
N2 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N1, N2);
// Because short has a smaller range than ushort, we can actually get away
// float4 result = as_float4(as_int4(xf*recip) + 0x89);
N0 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N0, N2);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4i32, N0);
- N1 = DAG.getConstant(0x89, MVT::i32);
+ N1 = DAG.getConstant(0x89, dl, MVT::i32);
N1 = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, N1, N1, N1, N1);
N0 = DAG.getNode(ISD::ADD, dl, MVT::v4i32, N0, N1);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4f32, N0);
N1 = DAG.getNode(ISD::SIGN_EXTEND, dl, MVT::v8i16, N1);
N2 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N0,
- DAG.getIntPtrConstant(4));
+ DAG.getIntPtrConstant(4, dl));
N3 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N1,
- DAG.getIntPtrConstant(4));
+ DAG.getIntPtrConstant(4, dl));
N0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N0,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
N1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N1,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
N0 = LowerSDIV_v4i8(N0, N1, dl, DAG); // v4i16
N2 = LowerSDIV_v4i8(N2, N3, dl, DAG); // v4i16
N1 = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::v8i16, N1);
N2 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N0,
- DAG.getIntPtrConstant(4));
+ DAG.getIntPtrConstant(4, dl));
N3 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N1,
- DAG.getIntPtrConstant(4));
+ DAG.getIntPtrConstant(4, dl));
N0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N0,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
N1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, MVT::v4i16, N1,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0, dl));
N0 = LowerSDIV_v4i16(N0, N1, dl, DAG); // v4i16
N2 = LowerSDIV_v4i16(N2, N3, dl, DAG); // v4i16
N0 = LowerCONCAT_VECTORS(N0, DAG);
N0 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v8i8,
- DAG.getConstant(Intrinsic::arm_neon_vqmovnsu, MVT::i32),
+ DAG.getConstant(Intrinsic::arm_neon_vqmovnsu, dl,
+ MVT::i32),
N0);
return N0;
}
// recip *= vrecpsq_f32(yf, recip);
// recip *= vrecpsq_f32(yf, recip);
N2 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecpe, MVT::i32), BN1);
+ DAG.getConstant(Intrinsic::arm_neon_vrecpe, dl, MVT::i32),
+ BN1);
N1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecps, MVT::i32),
+ DAG.getConstant(Intrinsic::arm_neon_vrecps, dl, MVT::i32),
BN1, N2);
N2 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N1, N2);
N1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecps, MVT::i32),
+ DAG.getConstant(Intrinsic::arm_neon_vrecps, dl, MVT::i32),
BN1, N2);
N2 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N1, N2);
// Simply multiplying by the reciprocal estimate can leave us a few ulps
// float4 result = as_float4(as_int4(xf*recip) + 2);
N0 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N0, N2);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4i32, N0);
- N1 = DAG.getConstant(2, MVT::i32);
+ N1 = DAG.getConstant(2, dl, MVT::i32);
N1 = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, N1, N1, N1, N1);
N0 = DAG.getNode(ISD::ADD, dl, MVT::v4i32, N0, N1);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4f32, N0);
// Address of cos field.
SDValue Add = DAG.getNode(ISD::ADD, dl, getPointerTy(), SRet,
- DAG.getIntPtrConstant(ArgVT.getStoreSize()));
+ DAG.getIntPtrConstant(ArgVT.getStoreSize(), dl));
SDValue LoadCos = DAG.getLoad(ArgVT, dl, LoadSin.getValue(1), Add,
MachinePointerInfo(), false, false, false, 0);
// Under Power Management extensions, the cycle-count is:
// mrc p15, #0, <Rt>, c9, c13, #0
SDValue Ops[] = { N->getOperand(0), // Chain
- DAG.getConstant(Intrinsic::arm_mrc, MVT::i32),
- DAG.getConstant(15, MVT::i32),
- DAG.getConstant(0, MVT::i32),
- DAG.getConstant(9, MVT::i32),
- DAG.getConstant(13, MVT::i32),
- DAG.getConstant(0, MVT::i32)
+ DAG.getConstant(Intrinsic::arm_mrc, DL, MVT::i32),
+ DAG.getConstant(15, DL, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32),
+ DAG.getConstant(9, DL, MVT::i32),
+ DAG.getConstant(13, DL, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32)
};
Cycles32 = DAG.getNode(ISD::INTRINSIC_W_CHAIN, DL,
// Intrinsic is defined to return 0 on unsupported platforms. Technically
// there are older ARM CPUs that have implementation-specific ways of
// obtaining this information (FIXME!).
- Cycles32 = DAG.getConstant(0, MVT::i32);
+ Cycles32 = DAG.getConstant(0, DL, MVT::i32);
OutChain = DAG.getEntryNode();
}
SDValue Cycles64 = DAG.getNode(ISD::BUILD_PAIR, DL, MVT::i64,
- Cycles32, DAG.getConstant(0, MVT::i32));
+ Cycles32, DAG.getConstant(0, DL, MVT::i32));
Results.push_back(Cycles64);
Results.push_back(OutChain);
}
SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
switch (Op.getOpcode()) {
default: llvm_unreachable("Don't know how to custom lower this!");
+ case ISD::WRITE_REGISTER: return LowerWRITE_REGISTER(Op, DAG);
case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
case ISD::BlockAddress: return LowerBlockAddress(Op, DAG);
case ISD::GlobalAddress:
switch (N->getOpcode()) {
default:
llvm_unreachable("Don't know how to custom expand this!");
+ case ISD::READ_REGISTER:
+ ExpandREAD_REGISTER(N, Results, DAG);
+ break;
case ISD::BITCAST:
Res = ExpandBITCAST(N, DAG);
break;
void ARMTargetLowering::
SetupEntryBlockForSjLj(MachineInstr *MI, MachineBasicBlock *MBB,
MachineBasicBlock *DispatchBB, int FI) const {
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
DebugLoc dl = MI->getDebugLoc();
MachineFunction *MF = MBB->getParent();
MachineRegisterInfo *MRI = &MF->getRegInfo();
}
}
-MachineBasicBlock *ARMTargetLowering::
-EmitSjLjDispatchBlock(MachineInstr *MI, MachineBasicBlock *MBB) const {
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+void ARMTargetLowering::EmitSjLjDispatchBlock(MachineInstr *MI,
+ MachineBasicBlock *MBB) const {
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
DebugLoc dl = MI->getDebugLoc();
MachineFunction *MF = MBB->getParent();
MachineRegisterInfo *MRI = &MF->getRegInfo();
- ARMFunctionInfo *AFI = MF->getInfo<ARMFunctionInfo>();
MachineFrameInfo *MFI = MF->getFrameInfo();
int FI = MFI->getFunctionContextIndex();
MachineJumpTableInfo *JTI =
MF->getOrCreateJumpTableInfo(MachineJumpTableInfo::EK_Inline);
unsigned MJTI = JTI->createJumpTableIndex(LPadList);
- unsigned UId = AFI->createJumpTableUId();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
// Create the MBBs for the dispatch code.
unsigned NewVReg3 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispContBB, dl, TII->get(ARM::t2LEApcrelJT),NewVReg3)
- .addJumpTableIndex(MJTI)
- .addImm(UId));
+ .addJumpTableIndex(MJTI));
unsigned NewVReg4 = MRI->createVirtualRegister(TRC);
AddDefaultCC(
BuildMI(DispContBB, dl, TII->get(ARM::t2BR_JT))
.addReg(NewVReg4, RegState::Kill)
.addReg(NewVReg1)
- .addJumpTableIndex(MJTI)
- .addImm(UId);
+ .addJumpTableIndex(MJTI);
} else if (Subtarget->isThumb()) {
unsigned NewVReg1 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispatchBB, dl, TII->get(ARM::tLDRspi), NewVReg1)
unsigned NewVReg3 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispContBB, dl, TII->get(ARM::tLEApcrelJT), NewVReg3)
- .addJumpTableIndex(MJTI)
- .addImm(UId));
+ .addJumpTableIndex(MJTI));
unsigned NewVReg4 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispContBB, dl, TII->get(ARM::tADDrr), NewVReg4)
BuildMI(DispContBB, dl, TII->get(ARM::tBR_JTr))
.addReg(NewVReg6, RegState::Kill)
- .addJumpTableIndex(MJTI)
- .addImm(UId);
+ .addJumpTableIndex(MJTI);
} else {
unsigned NewVReg1 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispatchBB, dl, TII->get(ARM::LDRi12), NewVReg1)
.addImm(ARM_AM::getSORegOpc(ARM_AM::lsl, 2))));
unsigned NewVReg4 = MRI->createVirtualRegister(TRC);
AddDefaultPred(BuildMI(DispContBB, dl, TII->get(ARM::LEApcrelJT), NewVReg4)
- .addJumpTableIndex(MJTI)
- .addImm(UId));
+ .addJumpTableIndex(MJTI));
MachineMemOperand *JTMMOLd =
MF->getMachineMemOperand(MachinePointerInfo::getJumpTable(),
BuildMI(DispContBB, dl, TII->get(ARM::BR_JTadd))
.addReg(NewVReg5, RegState::Kill)
.addReg(NewVReg4)
- .addJumpTableIndex(MJTI)
- .addImm(UId);
+ .addJumpTableIndex(MJTI);
} else {
BuildMI(DispContBB, dl, TII->get(ARM::BR_JTr))
.addReg(NewVReg5, RegState::Kill)
- .addJumpTableIndex(MJTI)
- .addImm(UId);
+ .addJumpTableIndex(MJTI);
}
}
// The instruction is gone now.
MI->eraseFromParent();
-
- return MBB;
}
static
// This pseudo instruction has 3 operands: dst, src, size
// We expand it to a loop if size > Subtarget->getMaxInlineSizeThreshold().
// Otherwise, we will generate unrolled scalar copies.
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
const BasicBlock *LLVM_BB = BB->getBasicBlock();
MachineFunction::iterator It = BB;
++It;
UnitSize = 2;
} else {
// Check whether we can use NEON instructions.
- if (!MF->getFunction()->getAttributes().
- hasAttribute(AttributeSet::FunctionIndex,
- Attribute::NoImplicitFloat) &&
+ if (!MF->getFunction()->hasFnAttribute(Attribute::NoImplicitFloat) &&
Subtarget->hasNEON()) {
if ((Align % 16 == 0) && SizeVal >= 16)
UnitSize = 16;
// Load an immediate to varEnd.
unsigned varEnd = MRI.createVirtualRegister(TRC);
- if (IsThumb2) {
+ if (Subtarget->useMovt(*MF)) {
unsigned Vtmp = varEnd;
if ((LoopSize & 0xFFFF0000) != 0)
Vtmp = MRI.createVirtualRegister(TRC);
- AddDefaultPred(BuildMI(BB, dl, TII->get(ARM::t2MOVi16), Vtmp)
- .addImm(LoopSize & 0xFFFF));
+ AddDefaultPred(BuildMI(BB, dl,
+ TII->get(IsThumb2 ? ARM::t2MOVi16 : ARM::MOVi16),
+ Vtmp).addImm(LoopSize & 0xFFFF));
if ((LoopSize & 0xFFFF0000) != 0)
- AddDefaultPred(BuildMI(BB, dl, TII->get(ARM::t2MOVTi16), varEnd)
- .addReg(Vtmp).addImm(LoopSize >> 16));
+ AddDefaultPred(BuildMI(BB, dl,
+ TII->get(IsThumb2 ? ARM::t2MOVTi16 : ARM::MOVTi16),
+ varEnd)
+ .addReg(Vtmp)
+ .addImm(LoopSize >> 16));
} else {
MachineConstantPool *ConstantPool = MF->getConstantPool();
Type *Int32Ty = Type::getInt32Ty(MF->getFunction()->getContext());
ARMTargetLowering::EmitLowered__chkstk(MachineInstr *MI,
MachineBasicBlock *MBB) const {
const TargetMachine &TM = getTargetMachine();
- const TargetInstrInfo &TII = *TM.getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *Subtarget->getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
assert(Subtarget->isTargetWindows() &&
MachineBasicBlock *
ARMTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB) const {
- const TargetInstrInfo *TII =
- getTargetMachine().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
DebugLoc dl = MI->getDebugLoc();
bool isThumb2 = Subtarget->isThumb2();
switch (MI->getOpcode()) {
unsigned int ABSSrcReg = MI->getOperand(1).getReg();
unsigned int ABSDstReg = MI->getOperand(0).getReg();
+ bool ABSSrcKIll = MI->getOperand(1).isKill();
bool isThumb2 = Subtarget->isThumb2();
MachineRegisterInfo &MRI = Fn->getRegInfo();
// In Thumb mode S must not be specified if source register is the SP or
// by if-conversion pass
BuildMI(*RSBBB, RSBBB->begin(), dl,
TII->get(isThumb2 ? ARM::t2RSBri : ARM::RSBri), NewRsbDstReg)
- .addReg(ABSSrcReg, RegState::Kill)
+ .addReg(ABSSrcReg, ABSSrcKIll ? RegState::Kill : 0)
.addImm(0).addImm((unsigned)ARMCC::AL).addReg(0).addReg(0);
// insert PHI in SinkBB,
// Rename pseudo opcodes.
unsigned NewOpc = convertAddSubFlagsOpcode(MI->getOpcode());
if (NewOpc) {
- const ARMBaseInstrInfo *TII = static_cast<const ARMBaseInstrInfo *>(
- getTargetMachine().getSubtargetImpl()->getInstrInfo());
+ const ARMBaseInstrInfo *TII = Subtarget->getInstrInfo();
MCID = &TII->get(NewOpc);
assert(MCID->getNumOperands() == MI->getDesc().getNumOperands() + 1 &&
return false;
// Fall through.
case ISD::SIGN_EXTEND: {
+ SDLoc dl(N);
EVT VT = N->getValueType(0);
CC = N->getOperand(0);
if (CC.getValueType() != MVT::i1)
if (AllOnes)
// When looking for an AllOnes constant, N is an sext, and the 'other'
// value is 0.
- OtherOp = DAG.getConstant(0, VT);
+ OtherOp = DAG.getConstant(0, dl, VT);
else if (N->getOpcode() == ISD::ZERO_EXTEND)
// When looking for a 0 constant, N can be zext or sext.
- OtherOp = DAG.getConstant(1, VT);
+ OtherOp = DAG.getConstant(1, dl, VT);
else
- OtherOp = DAG.getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT);
+ OtherOp = DAG.getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), dl,
+ VT);
return true;
}
}
SelectionDAG &DAG = DCI.DAG;
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
+ SDLoc dl(N);
+
// Build operand list.
SmallVector<SDValue, 8> Ops;
- Ops.push_back(DAG.getConstant(Intrinsic::arm_neon_vpaddls,
+ Ops.push_back(DAG.getConstant(Intrinsic::arm_neon_vpaddls, dl,
TLI.getPointerTy()));
// Input is the vector.
llvm_unreachable("Invalid vector element type for padd optimization.");
}
- SDValue tmp = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, SDLoc(N), widenType, Ops);
+ SDValue tmp = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, widenType, Ops);
unsigned ExtOp = VT.bitsGT(tmp.getValueType()) ? ISD::ANY_EXTEND : ISD::TRUNCATE;
- return DAG.getNode(ExtOp, SDLoc(N), VT, tmp);
+ return DAG.getNode(ExtOp, dl, VT, tmp);
}
static SDValue findMUL_LOHI(SDValue V) {
// a glue link from the first add to the second add.
// If we find this pattern, we can replace the U/SMUL_LOHI, ADDC, and ADDE by
// a S/UMLAL instruction.
- // loAdd UMUL_LOHI
- // \ / :lo \ :hi
- // \ / \ [no multiline comment]
- // ADDC | hiAdd
- // \ :glue / /
- // \ / /
- // ADDE
+ // UMUL_LOHI
+ // / :lo \ :hi
+ // / \ [no multiline comment]
+ // loAdd -> ADDE |
+ // \ :glue /
+ // \ /
+ // ADDC <- hiAdd
//
assert(AddcNode->getOpcode() == ISD::ADDC && "Expect an ADDC");
SDValue AddcOp0 = AddcNode->getOperand(0);
else
IsLeftOperandMUL = true;
if (MULOp == SDValue())
- return SDValue();
+ return SDValue();
// Figure out the right opcode.
unsigned Opc = MULOp->getOpcode();
unsigned FinalOpc = (Opc == ISD::SMUL_LOHI) ? ARMISD::SMLAL : ARMISD::UMLAL;
// Figure out the high and low input values to the MLAL node.
- SDValue* HiMul = &MULOp;
SDValue* HiAdd = nullptr;
SDValue* LoMul = nullptr;
SDValue* LowAdd = nullptr;
+ // Ensure that ADDE is from high result of ISD::SMUL_LOHI.
+ if ((AddeOp0 != MULOp.getValue(1)) && (AddeOp1 != MULOp.getValue(1)))
+ return SDValue();
+
if (IsLeftOperandMUL)
HiAdd = &AddeOp1;
else
HiAdd = &AddeOp0;
- if (AddcOp0->getOpcode() == Opc) {
+ // Ensure that LoMul and LowAdd are taken from correct ISD::SMUL_LOHI node
+ // whose low result is fed to the ADDC we are checking.
+
+ if (AddcOp0 == MULOp.getValue(0)) {
LoMul = &AddcOp0;
LowAdd = &AddcOp1;
}
- if (AddcOp1->getOpcode() == Opc) {
+ if (AddcOp1 == MULOp.getValue(0)) {
LoMul = &AddcOp1;
LowAdd = &AddcOp0;
}
if (!LoMul)
return SDValue();
- if (LoMul->getNode() != HiMul->getNode())
- return SDValue();
-
// Create the merged node.
SelectionDAG &DAG = DCI.DAG;
V,
DAG.getNode(ISD::SHL, DL, VT,
V,
- DAG.getConstant(Log2_32(MulAmt - 1),
+ DAG.getConstant(Log2_32(MulAmt - 1), DL,
MVT::i32)));
} else if (isPowerOf2_32(MulAmt + 1)) {
// (mul x, 2^N - 1) => (sub (shl x, N), x)
Res = DAG.getNode(ISD::SUB, DL, VT,
DAG.getNode(ISD::SHL, DL, VT,
V,
- DAG.getConstant(Log2_32(MulAmt + 1),
+ DAG.getConstant(Log2_32(MulAmt + 1), DL,
MVT::i32)),
V);
} else
V,
DAG.getNode(ISD::SHL, DL, VT,
V,
- DAG.getConstant(Log2_32(MulAmtAbs + 1),
+ DAG.getConstant(Log2_32(MulAmtAbs + 1), DL,
MVT::i32)));
} else if (isPowerOf2_32(MulAmtAbs - 1)) {
// (mul x, -(2^N + 1)) => - (add (shl x, N), x)
V,
DAG.getNode(ISD::SHL, DL, VT,
V,
- DAG.getConstant(Log2_32(MulAmtAbs-1),
+ DAG.getConstant(Log2_32(MulAmtAbs - 1), DL,
MVT::i32)));
Res = DAG.getNode(ISD::SUB, DL, VT,
- DAG.getConstant(0, MVT::i32),Res);
+ DAG.getConstant(0, DL, MVT::i32), Res);
} else
return SDValue();
if (ShiftAmt != 0)
Res = DAG.getNode(ISD::SHL, DL, VT,
- Res, DAG.getConstant(ShiftAmt, MVT::i32));
+ Res, DAG.getConstant(ShiftAmt, DL, MVT::i32));
// Do not add new nodes to DAG combiner worklist.
DCI.CombineTo(N, Res, false);
EVT VbicVT;
SDValue Val = isNEONModifiedImm((~SplatBits).getZExtValue(),
SplatUndef.getZExtValue(), SplatBitSize,
- DAG, VbicVT, VT.is128BitVector(),
+ DAG, dl, VbicVT, VT.is128BitVector(),
OtherModImm);
if (Val.getNode()) {
SDValue Input =
EVT VorrVT;
SDValue Val = isNEONModifiedImm(SplatBits.getZExtValue(),
SplatUndef.getZExtValue(), SplatBitSize,
- DAG, VorrVT, VT.is128BitVector(),
+ DAG, dl, VorrVT, VT.is128BitVector(),
OtherModImm);
if (Val.getNode()) {
SDValue Input =
Val >>= countTrailingZeros(~Mask);
Res = DAG.getNode(ARMISD::BFI, DL, VT, N00,
- DAG.getConstant(Val, MVT::i32),
- DAG.getConstant(Mask, MVT::i32));
+ DAG.getConstant(Val, DL, MVT::i32),
+ DAG.getConstant(Mask, DL, MVT::i32));
// Do not add new nodes to DAG combiner worklist.
DCI.CombineTo(N, Res, false);
// 2a
unsigned amt = countTrailingZeros(Mask2);
Res = DAG.getNode(ISD::SRL, DL, VT, N1.getOperand(0),
- DAG.getConstant(amt, MVT::i32));
+ DAG.getConstant(amt, DL, MVT::i32));
Res = DAG.getNode(ARMISD::BFI, DL, VT, N00, Res,
- DAG.getConstant(Mask, MVT::i32));
+ DAG.getConstant(Mask, DL, MVT::i32));
// Do not add new nodes to DAG combiner worklist.
DCI.CombineTo(N, Res, false);
return SDValue();
// 2b
unsigned lsb = countTrailingZeros(Mask);
Res = DAG.getNode(ISD::SRL, DL, VT, N00,
- DAG.getConstant(lsb, MVT::i32));
+ DAG.getConstant(lsb, DL, MVT::i32));
Res = DAG.getNode(ARMISD::BFI, DL, VT, N1.getOperand(0), Res,
- DAG.getConstant(Mask2, MVT::i32));
+ DAG.getConstant(Mask2, DL, MVT::i32));
// Do not add new nodes to DAG combiner worklist.
DCI.CombineTo(N, Res, false);
return SDValue();
return SDValue();
Res = DAG.getNode(ARMISD::BFI, DL, VT, N1, N00.getOperand(0),
- DAG.getConstant(~Mask, MVT::i32));
+ DAG.getConstant(~Mask, DL, MVT::i32));
// Do not add new nodes to DAG combiner worklist.
DCI.CombineTo(N, Res, false);
LD->getAlignment());
SDValue OffsetPtr = DAG.getNode(ISD::ADD, DL, MVT::i32, BasePtr,
- DAG.getConstant(4, MVT::i32));
+ DAG.getConstant(4, DL, MVT::i32));
SDValue NewLD2 = DAG.getLoad(MVT::i32, DL, NewLD1.getValue(1), OffsetPtr,
LD->getPointerInfo(), LD->isVolatile(),
LD->isNonTemporal(), LD->isInvariant(),
// Make the DAGCombiner fold the bitcasts.
DCI.AddToWorklist(V.getNode());
}
- SDValue LaneIdx = DAG.getConstant(Idx, MVT::i32);
+ SDValue LaneIdx = DAG.getConstant(Idx, dl, MVT::i32);
Vec = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, VecVT, Vec, V, LaneIdx);
}
Vec = DAG.getNode(ISD::BITCAST, dl, VT, Vec);
static SDValue CombineBaseUpdate(SDNode *N,
TargetLowering::DAGCombinerInfo &DCI) {
SelectionDAG &DAG = DCI.DAG;
- bool isIntrinsic = (N->getOpcode() == ISD::INTRINSIC_VOID ||
- N->getOpcode() == ISD::INTRINSIC_W_CHAIN);
- bool isStore = N->getOpcode() == ISD::STORE;
- unsigned AddrOpIdx = ((isIntrinsic || isStore) ? 2 : 1);
+ const bool isIntrinsic = (N->getOpcode() == ISD::INTRINSIC_VOID ||
+ N->getOpcode() == ISD::INTRINSIC_W_CHAIN);
+ const bool isStore = N->getOpcode() == ISD::STORE;
+ const unsigned AddrOpIdx = ((isIntrinsic || isStore) ? 2 : 1);
SDValue Addr = N->getOperand(AddrOpIdx);
+ MemSDNode *MemN = cast<MemSDNode>(N);
+ SDLoc dl(N);
// Search for a use of the address operand that is an increment.
for (SDNode::use_iterator UI = Addr.getNode()->use_begin(),
continue;
// Find the new opcode for the updating load/store.
- bool isLoad = true;
+ bool isLoadOp = true;
bool isLaneOp = false;
unsigned NewOpc = 0;
unsigned NumVecs = 0;
case Intrinsic::arm_neon_vld4lane: NewOpc = ARMISD::VLD4LN_UPD;
NumVecs = 4; isLaneOp = true; break;
case Intrinsic::arm_neon_vst1: NewOpc = ARMISD::VST1_UPD;
- NumVecs = 1; isLoad = false; break;
+ NumVecs = 1; isLoadOp = false; break;
case Intrinsic::arm_neon_vst2: NewOpc = ARMISD::VST2_UPD;
- NumVecs = 2; isLoad = false; break;
+ NumVecs = 2; isLoadOp = false; break;
case Intrinsic::arm_neon_vst3: NewOpc = ARMISD::VST3_UPD;
- NumVecs = 3; isLoad = false; break;
+ NumVecs = 3; isLoadOp = false; break;
case Intrinsic::arm_neon_vst4: NewOpc = ARMISD::VST4_UPD;
- NumVecs = 4; isLoad = false; break;
+ NumVecs = 4; isLoadOp = false; break;
case Intrinsic::arm_neon_vst2lane: NewOpc = ARMISD::VST2LN_UPD;
- NumVecs = 2; isLoad = false; isLaneOp = true; break;
+ NumVecs = 2; isLoadOp = false; isLaneOp = true; break;
case Intrinsic::arm_neon_vst3lane: NewOpc = ARMISD::VST3LN_UPD;
- NumVecs = 3; isLoad = false; isLaneOp = true; break;
+ NumVecs = 3; isLoadOp = false; isLaneOp = true; break;
case Intrinsic::arm_neon_vst4lane: NewOpc = ARMISD::VST4LN_UPD;
- NumVecs = 4; isLoad = false; isLaneOp = true; break;
+ NumVecs = 4; isLoadOp = false; isLaneOp = true; break;
}
} else {
isLaneOp = true;
case ISD::LOAD: NewOpc = ARMISD::VLD1_UPD;
NumVecs = 1; isLaneOp = false; break;
case ISD::STORE: NewOpc = ARMISD::VST1_UPD;
- NumVecs = 1; isLoad = false; isLaneOp = false; break;
+ NumVecs = 1; isLaneOp = false; isLoadOp = false; break;
}
}
// Find the size of memory referenced by the load/store.
EVT VecTy;
- if (isLoad)
+ if (isLoadOp) {
VecTy = N->getValueType(0);
- else if (isIntrinsic)
+ } else if (isIntrinsic) {
VecTy = N->getOperand(AddrOpIdx+1).getValueType();
- else
+ } else {
+ assert(isStore && "Node has to be a load, a store, or an intrinsic!");
VecTy = N->getOperand(1).getValueType();
+ }
unsigned NumBytes = NumVecs * VecTy.getSizeInBits() / 8;
if (isLaneOp)
continue;
}
+ // OK, we found an ADD we can fold into the base update.
+ // Now, create a _UPD node, taking care of not breaking alignment.
+
EVT AlignedVecTy = VecTy;
+ unsigned Alignment = MemN->getAlignment();
// If this is a less-than-standard-aligned load/store, change the type to
// match the standard alignment.
// of the memory type (like the intrisics). We need to change the
// memory type to match the explicit alignment. That way, we don't
// generate non-standard-aligned ARMISD::VLDx nodes.
- if (LSBaseSDNode *LSN = dyn_cast<LSBaseSDNode>(N)) {
- unsigned Alignment = LSN->getAlignment();
+ if (isa<LSBaseSDNode>(N)) {
if (Alignment == 0)
Alignment = 1;
if (Alignment < VecTy.getScalarSizeInBits() / 8) {
unsigned NumElts = NumBytes / (EltTy.getSizeInBits() / 8);
AlignedVecTy = MVT::getVectorVT(EltTy, NumElts);
}
+ // Don't set an explicit alignment on regular load/stores that we want
+ // to transform to VLD/VST 1_UPD nodes.
+ // This matches the behavior of regular load/stores, which only get an
+ // explicit alignment if the MMO alignment is larger than the standard
+ // alignment of the memory type.
+ // Intrinsics, however, always get an explicit alignment, set to the
+ // alignment of the MMO.
+ Alignment = 1;
}
// Create the new updating load/store node.
// First, create an SDVTList for the new updating node's results.
EVT Tys[6];
- unsigned NumResultVecs = (isLoad ? NumVecs : 0);
+ unsigned NumResultVecs = (isLoadOp ? NumVecs : 0);
unsigned n;
for (n = 0; n < NumResultVecs; ++n)
Tys[n] = AlignedVecTy;
Ops.push_back(N->getOperand(0)); // incoming chain
Ops.push_back(N->getOperand(AddrOpIdx));
Ops.push_back(Inc);
+
if (StoreSDNode *StN = dyn_cast<StoreSDNode>(N)) {
// Try to match the intrinsic's signature
Ops.push_back(StN->getValue());
- Ops.push_back(DAG.getConstant(StN->getAlignment(), MVT::i32));
} else {
- for (unsigned i = AddrOpIdx + 1; i < N->getNumOperands(); ++i)
+ // Loads (and of course intrinsics) match the intrinsics' signature,
+ // so just add all but the alignment operand.
+ for (unsigned i = AddrOpIdx + 1; i < N->getNumOperands() - 1; ++i)
Ops.push_back(N->getOperand(i));
}
- // If this is a non-standard-aligned store, the penultimate operand is the
+ // For all node types, the alignment operand is always the last one.
+ Ops.push_back(DAG.getConstant(Alignment, dl, MVT::i32));
+
+ // If this is a non-standard-aligned STORE, the penultimate operand is the
// stored value. Bitcast it to the aligned type.
if (AlignedVecTy != VecTy && N->getOpcode() == ISD::STORE) {
SDValue &StVal = Ops[Ops.size()-2];
- StVal = DAG.getNode(ISD::BITCAST, SDLoc(N), AlignedVecTy, StVal);
+ StVal = DAG.getNode(ISD::BITCAST, dl, AlignedVecTy, StVal);
}
- MemSDNode *MemInt = cast<MemSDNode>(N);
- SDValue UpdN = DAG.getMemIntrinsicNode(NewOpc, SDLoc(N), SDTys,
+ SDValue UpdN = DAG.getMemIntrinsicNode(NewOpc, dl, SDTys,
Ops, AlignedVecTy,
- MemInt->getMemOperand());
+ MemN->getMemOperand());
// Update the uses.
- std::vector<SDValue> NewResults;
- for (unsigned i = 0; i < NumResultVecs; ++i) {
+ SmallVector<SDValue, 5> NewResults;
+ for (unsigned i = 0; i < NumResultVecs; ++i)
NewResults.push_back(SDValue(UpdN.getNode(), i));
- }
- // If this is an non-standard-aligned load, the first result is the loaded
+ // If this is an non-standard-aligned LOAD, the first result is the loaded
// value. Bitcast it to the expected result type.
if (AlignedVecTy != VecTy && N->getOpcode() == ISD::LOAD) {
SDValue &LdVal = NewResults[0];
- LdVal = DAG.getNode(ISD::BITCAST, SDLoc(N), VecTy, LdVal);
+ LdVal = DAG.getNode(ISD::BITCAST, dl, VecTy, LdVal);
}
NewResults.push_back(SDValue(UpdN.getNode(), NumResultVecs+1)); // chain
// Find the largest store unit
MVT StoreType = MVT::i8;
- for (unsigned tp = MVT::FIRST_INTEGER_VALUETYPE;
- tp < MVT::LAST_INTEGER_VALUETYPE; ++tp) {
- MVT Tp = (MVT::SimpleValueType)tp;
+ for (MVT Tp : MVT::integer_valuetypes()) {
if (TLI.isTypeLegal(Tp) && Tp.getSizeInBits() <= NumElems * ToEltSz)
StoreType = Tp;
}
assert(StoreVecVT.getSizeInBits() == VT.getSizeInBits());
SDValue ShuffWide = DAG.getNode(ISD::BITCAST, DL, StoreVecVT, Shuff);
SmallVector<SDValue, 8> Chains;
- SDValue Increment = DAG.getConstant(StoreType.getSizeInBits()/8,
+ SDValue Increment = DAG.getConstant(StoreType.getSizeInBits()/8, DL,
TLI.getPointerTy());
SDValue BasePtr = St->getBasePtr();
for (unsigned I = 0; I < E; I++) {
SDValue SubVec = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL,
StoreType, ShuffWide,
- DAG.getIntPtrConstant(I));
+ DAG.getIntPtrConstant(I, DL));
SDValue Ch = DAG.getStore(St->getChain(), DL, SubVec, BasePtr,
St->getPointerInfo(), St->isVolatile(),
St->isNonTemporal(), St->getAlignment());
St->isNonTemporal(), St->getAlignment());
SDValue OffsetPtr = DAG.getNode(ISD::ADD, DL, MVT::i32, BasePtr,
- DAG.getConstant(4, MVT::i32));
+ DAG.getConstant(4, DL, MVT::i32));
return DAG.getStore(NewST1.getValue(0), DL,
StVal.getNode()->getOperand(isBigEndian ? 0 : 1),
OffsetPtr, St->getPointerInfo(), St->isVolatile(),
return SDValue();
}
+ SDLoc dl(N);
unsigned IntrinsicOpcode = isSigned ? Intrinsic::arm_neon_vcvtfp2fxs :
Intrinsic::arm_neon_vcvtfp2fxu;
- SDValue FixConv = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, SDLoc(N),
+ SDValue FixConv = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl,
NumLanes == 2 ? MVT::v2i32 : MVT::v4i32,
- DAG.getConstant(IntrinsicOpcode, MVT::i32), N0,
- DAG.getConstant(Log2_64(C), MVT::i32));
+ DAG.getConstant(IntrinsicOpcode, dl, MVT::i32),
+ N0,
+ DAG.getConstant(Log2_64(C), dl, MVT::i32));
if (IntTy.getSizeInBits() < FloatTy.getSizeInBits())
- FixConv = DAG.getNode(ISD::TRUNCATE, SDLoc(N), N->getValueType(0), FixConv);
+ FixConv = DAG.getNode(ISD::TRUNCATE, dl, N->getValueType(0), FixConv);
return FixConv;
}
return SDValue();
}
+ SDLoc dl(N);
SDValue ConvInput = Op.getOperand(0);
unsigned NumLanes = Op.getValueType().getVectorNumElements();
if (IntTy.getSizeInBits() < FloatTy.getSizeInBits())
ConvInput = DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND,
- SDLoc(N), NumLanes == 2 ? MVT::v2i32 : MVT::v4i32,
+ dl, NumLanes == 2 ? MVT::v2i32 : MVT::v4i32,
ConvInput);
unsigned IntrinsicOpcode = isSigned ? Intrinsic::arm_neon_vcvtfxs2fp :
Intrinsic::arm_neon_vcvtfxu2fp;
- return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, SDLoc(N),
+ return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl,
Op.getValueType(),
- DAG.getConstant(IntrinsicOpcode, MVT::i32),
- ConvInput, DAG.getConstant(Log2_64(C), MVT::i32));
+ DAG.getConstant(IntrinsicOpcode, dl, MVT::i32),
+ ConvInput, DAG.getConstant(Log2_64(C), dl, MVT::i32));
}
/// Getvshiftimm - Check if this is a valid build_vector for the immediate
VShiftOpc = ARMISD::VQRSHRNsu; break;
}
- return DAG.getNode(VShiftOpc, SDLoc(N), N->getValueType(0),
- N->getOperand(1), DAG.getConstant(Cnt, MVT::i32));
+ SDLoc dl(N);
+ return DAG.getNode(VShiftOpc, dl, N->getValueType(0),
+ N->getOperand(1), DAG.getConstant(Cnt, dl, MVT::i32));
}
case Intrinsic::arm_neon_vshiftins: {
llvm_unreachable("invalid shift count for vsli/vsri intrinsic");
}
- return DAG.getNode(VShiftOpc, SDLoc(N), N->getValueType(0),
+ SDLoc dl(N);
+ return DAG.getNode(VShiftOpc, dl, N->getValueType(0),
N->getOperand(1), N->getOperand(2),
- DAG.getConstant(Cnt, MVT::i32));
+ DAG.getConstant(Cnt, dl, MVT::i32));
}
case Intrinsic::arm_neon_vqrshifts:
default: llvm_unreachable("unexpected shift opcode");
case ISD::SHL:
- if (isVShiftLImm(N->getOperand(1), VT, false, Cnt))
- return DAG.getNode(ARMISD::VSHL, SDLoc(N), VT, N->getOperand(0),
- DAG.getConstant(Cnt, MVT::i32));
+ if (isVShiftLImm(N->getOperand(1), VT, false, Cnt)) {
+ SDLoc dl(N);
+ return DAG.getNode(ARMISD::VSHL, dl, VT, N->getOperand(0),
+ DAG.getConstant(Cnt, dl, MVT::i32));
+ }
break;
case ISD::SRA:
if (isVShiftRImm(N->getOperand(1), VT, false, false, Cnt)) {
unsigned VShiftOpc = (N->getOpcode() == ISD::SRA ?
ARMISD::VSHRs : ARMISD::VSHRu);
- return DAG.getNode(VShiftOpc, SDLoc(N), VT, N->getOperand(0),
- DAG.getConstant(Cnt, MVT::i32));
+ SDLoc dl(N);
+ return DAG.getNode(VShiftOpc, dl, VT, N->getOperand(0),
+ DAG.getConstant(Cnt, dl, MVT::i32));
}
}
return SDValue();
const Function *F = MF.getFunction();
// See if we can use NEON instructions for this...
- if ((!IsMemset || ZeroMemset) &&
- Subtarget->hasNEON() &&
- !F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::NoImplicitFloat)) {
+ if ((!IsMemset || ZeroMemset) && Subtarget->hasNEON() &&
+ !F->hasFnAttribute(Attribute::NoImplicitFloat)) {
bool Fast;
if (Size >= 16 &&
(memOpAlign(SrcAlign, DstAlign, 16) ||
return false;
}
+bool ARMTargetLowering::isVectorLoadExtDesirable(SDValue ExtVal) const {
+ EVT VT = ExtVal.getValueType();
+
+ if (!isTypeLegal(VT))
+ return false;
+
+ // Don't create a loadext if we can fold the extension into a wide/long
+ // instruction.
+ // If there's more than one user instruction, the loadext is desirable no
+ // matter what. There can be two uses by the same instruction.
+ if (ExtVal->use_empty() ||
+ !ExtVal->use_begin()->isOnlyUserOf(ExtVal.getNode()))
+ return true;
+
+ SDNode *U = *ExtVal->use_begin();
+ if ((U->getOpcode() == ISD::ADD || U->getOpcode() == ISD::SUB ||
+ U->getOpcode() == ISD::SHL || U->getOpcode() == ARMISD::VSHL))
+ return false;
+
+ return true;
+}
+
bool ARMTargetLowering::allowTruncateForTailCall(Type *Ty1, Type *Ty2) const {
if (!Ty1->isIntegerTy() || !Ty2->isIntegerTy())
return false;
/// isLegalAddressingMode - Return true if the addressing mode represented
/// by AM is legal for this target, for a load/store of the specified type.
bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
- Type *Ty) const {
+ Type *Ty,
+ unsigned AS) const {
EVT VT = getValueType(Ty, true);
if (!isLegalAddressImmediate(AM.BaseOffs, VT, Subtarget))
return false;
bool ARMTargetLowering::isLegalICmpImmediate(int64_t Imm) const {
// Thumb2 and ARM modes can use cmn for negative immediates.
if (!Subtarget->isThumb())
- return ARM_AM::getSOImmVal(llvm::abs64(Imm)) != -1;
+ return ARM_AM::getSOImmVal(std::abs(Imm)) != -1;
if (Subtarget->isThumb2())
- return ARM_AM::getT2SOImmVal(llvm::abs64(Imm)) != -1;
+ return ARM_AM::getT2SOImmVal(std::abs(Imm)) != -1;
// Thumb1 doesn't have cmn, and only 8-bit immediates.
return Imm >= 0 && Imm <= 255;
}
/// immediate into a register.
bool ARMTargetLowering::isLegalAddImmediate(int64_t Imm) const {
// Same encoding for add/sub, just flip the sign.
- int64_t AbsImm = llvm::abs64(Imm);
+ int64_t AbsImm = std::abs(Imm);
if (!Subtarget->isThumb())
return ARM_AM::getSOImmVal(AbsImm) != -1;
if (Subtarget->isThumb2())
if (RHSC < 0 && RHSC > -256) {
assert(Ptr->getOpcode() == ISD::ADD);
isInc = false;
- Offset = DAG.getConstant(-RHSC, RHS->getValueType(0));
+ Offset = DAG.getConstant(-RHSC, SDLoc(Ptr), RHS->getValueType(0));
return true;
}
}
if (RHSC < 0 && RHSC > -0x1000) {
assert(Ptr->getOpcode() == ISD::ADD);
isInc = false;
- Offset = DAG.getConstant(-RHSC, RHS->getValueType(0));
+ Offset = DAG.getConstant(-RHSC, SDLoc(Ptr), RHS->getValueType(0));
Base = Ptr->getOperand(0);
return true;
}
if (RHSC < 0 && RHSC > -0x100) { // 8 bits.
assert(Ptr->getOpcode() == ISD::ADD);
isInc = false;
- Offset = DAG.getConstant(-RHSC, RHS->getValueType(0));
+ Offset = DAG.getConstant(-RHSC, SDLoc(Ptr), RHS->getValueType(0));
return true;
} else if (RHSC > 0 && RHSC < 0x100) { // 8 bit, no zero.
isInc = Ptr->getOpcode() == ISD::ADD;
- Offset = DAG.getConstant(RHSC, RHS->getValueType(0));
+ Offset = DAG.getConstant(RHSC, SDLoc(Ptr), RHS->getValueType(0));
return true;
}
}
typedef std::pair<unsigned, const TargetRegisterClass*> RCPair;
RCPair
-ARMTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint,
+ARMTargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
+ const std::string &Constraint,
MVT VT) const {
if (Constraint.size() == 1) {
// GCC ARM Constraint Letters
if (StringRef("{cc}").equals_lower(Constraint))
return std::make_pair(unsigned(ARM::CPSR), &ARM::CCRRegClass);
- return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
+ return TargetLowering::getRegForInlineAsmConstraint(TRI, Constraint, VT);
}
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
}
return;
}
- Result = DAG.getTargetConstant(CVal, Op.getValueType());
+ Result = DAG.getTargetConstant(CVal, SDLoc(Op), Op.getValueType());
break;
}
SDValue Size = Op.getOperand(1);
SDValue Words = DAG.getNode(ISD::SRL, DL, MVT::i32, Size,
- DAG.getConstant(2, MVT::i32));
+ DAG.getConstant(2, DL, MVT::i32));
SDValue Flag;
Chain = DAG.getCopyToReg(Chain, DL, ARM::R4, Words, Flag);
// there can be 1's on either or both "outsides", all the "inside"
// bits must be 0's
- unsigned TO = CountTrailingOnes_32(v);
- unsigned LO = CountLeadingOnes_32(v);
- v = (v >> TO) << TO;
- v = (v << LO) >> LO;
- return v == 0;
+ return isShiftedMask_32(~v);
}
/// isFPImmLegal - Returns true if the target can instruction select the
// For the real atomic operations, we have ldrex/strex up to 32 bits,
// and up to 64 bits on the non-M profiles
-bool ARMTargetLowering::shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const {
+TargetLoweringBase::AtomicRMWExpansionKind
+ARMTargetLowering::shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const {
unsigned Size = AI->getType()->getPrimitiveSizeInBits();
- return Size <= (Subtarget->isMClass() ? 32U : 64U);
+ return (Size <= (Subtarget->isMClass() ? 32U : 64U))
+ ? AtomicRMWExpansionKind::LLSC
+ : AtomicRMWExpansionKind::None;
}
// This has so far only been implemented for MachO.
if (!Subtarget->isLittle())
std::swap (Lo, Hi);
Addr = Builder.CreateBitCast(Addr, Type::getInt8PtrTy(M->getContext()));
- return Builder.CreateCall3(Strex, Lo, Hi, Addr);
+ return Builder.CreateCall(Strex, {Lo, Hi, Addr});
}
Intrinsic::ID Int = IsRelease ? Intrinsic::arm_stlex : Intrinsic::arm_strex;
Type *Tys[] = { Addr->getType() };
Function *Strex = Intrinsic::getDeclaration(M, Int, Tys);
- return Builder.CreateCall2(
- Strex, Builder.CreateZExtOrBitCast(
- Val, Strex->getFunctionType()->getParamType(0)),
- Addr);
+ return Builder.CreateCall(
+ Strex, {Builder.CreateZExtOrBitCast(
+ Val, Strex->getFunctionType()->getParamType(0)),
+ Addr});
}
enum HABaseType {
return (Members > 0 && Members <= 4);
}
-/// \brief Return true if a type is an AAPCS-VFP homogeneous aggregate.
+/// \brief Return true if a type is an AAPCS-VFP homogeneous aggregate or one of
+/// [N x i32] or [N x i64]. This allows front-ends to skip emitting padding when
+/// passing according to AAPCS rules.
bool ARMTargetLowering::functionArgumentNeedsConsecutiveRegisters(
Type *Ty, CallingConv::ID CallConv, bool isVarArg) const {
if (getEffectiveCallingConv(CallConv, isVarArg) !=
HABaseType Base = HA_UNKNOWN;
uint64_t Members = 0;
- bool result = isHomogeneousAggregate(Ty, Base, Members);
- DEBUG(dbgs() << "isHA: " << result << " "; Ty->dump());
- return result;
+ bool IsHA = isHomogeneousAggregate(Ty, Base, Members);
+ DEBUG(dbgs() << "isHA: " << IsHA << " "; Ty->dump());
+
+ bool IsIntArray = Ty->isArrayTy() && Ty->getArrayElementType()->isIntegerTy();
+ return IsHA || IsIntArray;
}
projects / oota-llvm.git / blobdiff