//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Evan Cheng and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/Instruction.h"
+#include "llvm/Intrinsics.h"
+#include "llvm/GlobalValue.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/VectorExtras.h"
#include "llvm/Support/MathExtras.h"
Subtarget = &TM.getSubtarget<ARMSubtarget>();
if (Subtarget->isTargetDarwin()) {
- // Don't have these.
- setLibcallName(RTLIB::UINTTOFP_I64_F32, NULL);
- setLibcallName(RTLIB::UINTTOFP_I64_F64, NULL);
-
// Uses VFP for Thumb libfuncs if available.
if (Subtarget->isThumb() && Subtarget->hasVFP2()) {
// Single-precision floating-point arithmetic.
if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb()) {
addRegisterClass(MVT::f32, ARM::SPRRegisterClass);
addRegisterClass(MVT::f64, ARM::DPRRegisterClass);
+
+ setTruncStoreAction(MVT::f64, MVT::f32, Expand);
}
computeRegisterProperties();
// ARM does not have f32 extending load.
- setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
+
+ // ARM does not have i1 sign extending load.
+ setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
// ARM supports all 4 flavors of integer indexed load / store.
for (unsigned im = (unsigned)ISD::PRE_INC;
setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
// Support label based line numbers.
- setOperationAction(ISD::LOCATION, MVT::Other, Expand);
+ setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::GLOBAL_OFFSET_TABLE, MVT::i32, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
- // Expand mem operations genericly.
- setOperationAction(ISD::MEMSET , MVT::Other, Expand);
- setOperationAction(ISD::MEMCPY , MVT::Other, Custom);
- setOperationAction(ISD::MEMMOVE , MVT::Other, Expand);
-
// Use the default implementation.
- setOperationAction(ISD::VASTART , MVT::Other, Expand);
+ setOperationAction(ISD::VASTART , MVT::Other, Custom);
setOperationAction(ISD::VAARG , MVT::Other, Expand);
setOperationAction(ISD::VACOPY , MVT::Other, Expand);
setOperationAction(ISD::VAEND , MVT::Other, Expand);
setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32 , Expand);
+ setOperationAction(ISD::MEMBARRIER , MVT::Other, Expand);
if (!Subtarget->hasV6Ops()) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb())
- // Turn f64->i64 into FMRRD iff target supports vfp2.
+ // Turn f64->i64 into FMRRD, i64 -> f64 to FMDRR iff target supports vfp2.
setOperationAction(ISD::BIT_CONVERT, MVT::i64, Custom);
-
+
+ // We want to custom lower some of our intrinsics.
+ setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
+
setOperationAction(ISD::SETCC , MVT::i32, Expand);
setOperationAction(ISD::SETCC , MVT::f32, Expand);
setOperationAction(ISD::SETCC , MVT::f64, Expand);
setOperationAction(ISD::BR_CC , MVT::f64, Custom);
setOperationAction(ISD::BR_JT , MVT::Other, Custom);
- setOperationAction(ISD::VASTART, MVT::Other, Custom);
- setOperationAction(ISD::VACOPY, MVT::Other, Expand);
- setOperationAction(ISD::VAEND, MVT::Other, Expand);
- setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
- setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
-
- // FP Constants can't be immediates.
- setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
- setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
-
// We don't support sin/cos/fmod/copysign/pow
setOperationAction(ISD::FSIN , MVT::f64, Expand);
setOperationAction(ISD::FSIN , MVT::f32, Expand);
setOperationAction(ISD::FCOS , MVT::f64, Expand);
setOperationAction(ISD::FREM , MVT::f64, Expand);
setOperationAction(ISD::FREM , MVT::f32, Expand);
- setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
- setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
+ if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb()) {
+ setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
+ setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
+ }
setOperationAction(ISD::FPOW , MVT::f64, Expand);
setOperationAction(ISD::FPOW , MVT::f32, Expand);
// int <-> fp are custom expanded into bit_convert + ARMISD ops.
- 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 (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb()) {
+ 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);
+ }
+ // We have target-specific dag combine patterns for the following nodes:
+ // ARMISD::FMRRD - No need to call setTargetDAGCombine
+
setStackPointerRegisterToSaveRestore(ARM::SP);
setSchedulingPreference(SchedulingForRegPressure);
setIfCvtBlockSizeLimit(Subtarget->isThumb() ? 0 : 10);
}
static void
-HowToPassArgument(MVT::ValueType ObjectVT, unsigned NumGPRs,
+HowToPassArgument(MVT ObjectVT, unsigned NumGPRs,
unsigned StackOffset, unsigned &NeededGPRs,
unsigned &NeededStackSize, unsigned &GPRPad,
- unsigned &StackPad, unsigned Flags) {
+ unsigned &StackPad, ISD::ArgFlagsTy Flags) {
NeededStackSize = 0;
NeededGPRs = 0;
StackPad = 0;
GPRPad = 0;
- unsigned align = (Flags >> ISD::ParamFlags::OrigAlignmentOffs);
+ unsigned align = Flags.getOrigAlign();
GPRPad = NumGPRs % ((align + 3)/4);
StackPad = StackOffset % align;
unsigned firstGPR = NumGPRs + GPRPad;
- switch (ObjectVT) {
+ switch (ObjectVT.getSimpleVT()) {
default: assert(0 && "Unhandled argument type!");
case MVT::i32:
case MVT::f32:
/// LowerCALL - Lowering a ISD::CALL node into a callseq_start <-
/// ARMISD:CALL <- callseq_end chain. Also add input and output parameter
/// nodes.
-SDOperand ARMTargetLowering::LowerCALL(SDOperand Op, SelectionDAG &DAG) {
- MVT::ValueType RetVT= Op.Val->getValueType(0);
- SDOperand Chain = Op.getOperand(0);
- unsigned CallConv = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
- assert((CallConv == CallingConv::C ||
- CallConv == CallingConv::Fast) && "unknown calling convention");
- SDOperand Callee = Op.getOperand(4);
- unsigned NumOps = (Op.getNumOperands() - 5) / 2;
+SDValue ARMTargetLowering::LowerCALL(SDValue Op, SelectionDAG &DAG) {
+ CallSDNode *TheCall = cast<CallSDNode>(Op.getNode());
+ MVT RetVT = TheCall->getRetValType(0);
+ SDValue Chain = TheCall->getChain();
+ assert((TheCall->getCallingConv() == CallingConv::C ||
+ TheCall->getCallingConv() == CallingConv::Fast) &&
+ "unknown calling convention");
+ SDValue Callee = TheCall->getCallee();
+ unsigned NumOps = TheCall->getNumArgs();
+ DebugLoc dl = TheCall->getDebugLoc();
unsigned ArgOffset = 0; // Frame mechanisms handle retaddr slot
unsigned NumGPRs = 0; // GPRs used for parameter passing.
unsigned ObjGPRs;
unsigned StackPad;
unsigned GPRPad;
- MVT::ValueType ObjectVT = Op.getOperand(5+2*i).getValueType();
- unsigned Flags = Op.getConstantOperandVal(5+2*i+1);
+ MVT ObjectVT = TheCall->getArg(i).getValueType();
+ ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
HowToPassArgument(ObjectVT, NumGPRs, NumBytes, ObjGPRs, ObjSize,
GPRPad, StackPad, Flags);
NumBytes += ObjSize + StackPad;
// Adjust the stack pointer for the new arguments...
// These operations are automatically eliminated by the prolog/epilog pass
- Chain = DAG.getCALLSEQ_START(Chain,
- DAG.getConstant(NumBytes, MVT::i32));
+ Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(NumBytes, true));
- SDOperand StackPtr = DAG.getRegister(ARM::SP, MVT::i32);
+ SDValue StackPtr = DAG.getRegister(ARM::SP, MVT::i32);
static const unsigned GPRArgRegs[] = {
ARM::R0, ARM::R1, ARM::R2, ARM::R3
};
NumGPRs = 0;
- std::vector<std::pair<unsigned, SDOperand> > RegsToPass;
- std::vector<SDOperand> MemOpChains;
+ std::vector<std::pair<unsigned, SDValue> > RegsToPass;
+ std::vector<SDValue> MemOpChains;
for (unsigned i = 0; i != NumOps; ++i) {
- SDOperand Arg = Op.getOperand(5+2*i);
- unsigned Flags = Op.getConstantOperandVal(5+2*i+1);
- MVT::ValueType ArgVT = Arg.getValueType();
+ SDValue Arg = TheCall->getArg(i);
+ ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
+ MVT ArgVT = Arg.getValueType();
unsigned ObjSize;
unsigned ObjGPRs;
NumGPRs += GPRPad;
ArgOffset += StackPad;
if (ObjGPRs > 0) {
- switch (ArgVT) {
+ switch (ArgVT.getSimpleVT()) {
default: assert(0 && "Unexpected ValueType for argument!");
case MVT::i32:
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs], Arg));
break;
case MVT::f32:
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs],
- DAG.getNode(ISD::BIT_CONVERT, MVT::i32, Arg)));
+ DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Arg)));
break;
case MVT::i64: {
- SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Arg,
+ SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Arg,
DAG.getConstant(0, getPointerTy()));
- SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Arg,
+ SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Arg,
DAG.getConstant(1, getPointerTy()));
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs], Lo));
if (ObjGPRs == 2)
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs+1], Hi));
else {
- SDOperand PtrOff= DAG.getConstant(ArgOffset, StackPtr.getValueType());
- PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
- MemOpChains.push_back(DAG.getStore(Chain, Hi, PtrOff, NULL, 0));
+ SDValue PtrOff= DAG.getConstant(ArgOffset, StackPtr.getValueType());
+ PtrOff = DAG.getNode(ISD::ADD, dl, MVT::i32, StackPtr, PtrOff);
+ MemOpChains.push_back(DAG.getStore(Chain, dl, Hi, PtrOff, NULL, 0));
}
break;
}
case MVT::f64: {
- SDOperand Cvt = DAG.getNode(ARMISD::FMRRD,
+ SDValue Cvt = DAG.getNode(ARMISD::FMRRD, dl,
DAG.getVTList(MVT::i32, MVT::i32),
&Arg, 1);
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs], Cvt));
RegsToPass.push_back(std::make_pair(GPRArgRegs[NumGPRs+1],
Cvt.getValue(1)));
else {
- SDOperand PtrOff= DAG.getConstant(ArgOffset, StackPtr.getValueType());
- PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
- MemOpChains.push_back(DAG.getStore(Chain, Cvt.getValue(1), PtrOff,
+ SDValue PtrOff= DAG.getConstant(ArgOffset, StackPtr.getValueType());
+ PtrOff = DAG.getNode(ISD::ADD, dl, MVT::i32, StackPtr, PtrOff);
+ MemOpChains.push_back(DAG.getStore(Chain, dl, Cvt.getValue(1), PtrOff,
NULL, 0));
}
break;
}
} else {
assert(ObjSize != 0);
- SDOperand PtrOff = DAG.getConstant(ArgOffset, StackPtr.getValueType());
- PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
- MemOpChains.push_back(DAG.getStore(Chain, Arg, PtrOff, NULL, 0));
+ SDValue PtrOff = DAG.getConstant(ArgOffset, StackPtr.getValueType());
+ PtrOff = DAG.getNode(ISD::ADD, dl, MVT::i32, StackPtr, PtrOff);
+ MemOpChains.push_back(DAG.getStore(Chain, dl, Arg, PtrOff, NULL, 0));
}
NumGPRs += ObjGPRs;
}
if (!MemOpChains.empty())
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other,
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&MemOpChains[0], MemOpChains.size());
// Build a sequence of copy-to-reg nodes chained together with token chain
// and flag operands which copy the outgoing args into the appropriate regs.
- SDOperand InFlag;
+ SDValue InFlag;
for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i) {
- Chain = DAG.getCopyToReg(Chain, RegsToPass[i].first, RegsToPass[i].second,
- InFlag);
+ Chain = DAG.getCopyToReg(Chain, dl, RegsToPass[i].first,
+ RegsToPass[i].second, InFlag);
InFlag = Chain.getValue(1);
}
if (isARMFunc && Subtarget->isThumb() && !Subtarget->hasV5TOps()) {
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(GV, ARMPCLabelIndex,
ARMCP::CPStub, 4);
- SDOperand CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 2);
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
- Callee = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), CPAddr, NULL, 0);
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- Callee = DAG.getNode(ARMISD::PIC_ADD, getPointerTy(), Callee, PICLabel);
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 2);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ Callee = DAG.getLoad(getPointerTy(), dl,
+ DAG.getEntryNode(), CPAddr, NULL, 0);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
+ getPointerTy(), Callee, PICLabel);
} else
Callee = DAG.getTargetGlobalAddress(GV, getPointerTy());
} else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
if (isARMFunc && Subtarget->isThumb() && !Subtarget->hasV5TOps()) {
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(Sym, ARMPCLabelIndex,
ARMCP::CPStub, 4);
- SDOperand CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 2);
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
- Callee = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), CPAddr, NULL, 0);
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- Callee = DAG.getNode(ARMISD::PIC_ADD, getPointerTy(), Callee, PICLabel);
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 2);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ Callee = DAG.getLoad(getPointerTy(), dl,
+ DAG.getEntryNode(), CPAddr, NULL, 0);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
+ getPointerTy(), Callee, PICLabel);
} else
Callee = DAG.getTargetExternalSymbol(Sym, getPointerTy());
}
}
if (CallOpc == ARMISD::CALL_NOLINK && !Subtarget->isThumb()) {
// implicit def LR - LR mustn't be allocated as GRP:$dst of CALL_NOLINK
- Chain = DAG.getCopyToReg(Chain, ARM::LR,
- DAG.getNode(ISD::UNDEF, MVT::i32), InFlag);
+ Chain = DAG.getCopyToReg(Chain, dl, ARM::LR, DAG.getUNDEF(MVT::i32),InFlag);
InFlag = Chain.getValue(1);
}
- std::vector<MVT::ValueType> NodeTys;
- NodeTys.push_back(MVT::Other); // Returns a chain
- NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use.
-
- std::vector<SDOperand> Ops;
+ std::vector<SDValue> Ops;
Ops.push_back(Chain);
Ops.push_back(Callee);
Ops.push_back(DAG.getRegister(RegsToPass[i].first,
RegsToPass[i].second.getValueType()));
- if (InFlag.Val)
+ if (InFlag.getNode())
Ops.push_back(InFlag);
- Chain = DAG.getNode(CallOpc, NodeTys, &Ops[0], Ops.size());
+ // Returns a chain and a flag for retval copy to use.
+ Chain = DAG.getNode(CallOpc, dl, DAG.getVTList(MVT::Other, MVT::Flag),
+ &Ops[0], Ops.size());
InFlag = Chain.getValue(1);
- SDOperand CSOps[] = { Chain, DAG.getConstant(NumBytes, MVT::i32), InFlag };
- Chain = DAG.getNode(ISD::CALLSEQ_END,
- DAG.getNodeValueTypes(MVT::Other, MVT::Flag),
- ((RetVT != MVT::Other) ? 2 : 1), CSOps, 3);
+ Chain = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(NumBytes, true),
+ DAG.getIntPtrConstant(0, true), InFlag);
if (RetVT != MVT::Other)
InFlag = Chain.getValue(1);
- std::vector<SDOperand> ResultVals;
- NodeTys.clear();
+ std::vector<SDValue> ResultVals;
// If the call has results, copy the values out of the ret val registers.
- switch (RetVT) {
+ switch (RetVT.getSimpleVT()) {
default: assert(0 && "Unexpected ret value!");
case MVT::Other:
break;
case MVT::i32:
- Chain = DAG.getCopyFromReg(Chain, ARM::R0, MVT::i32, InFlag).getValue(1);
+ Chain = DAG.getCopyFromReg(Chain, dl, ARM::R0,
+ MVT::i32, InFlag).getValue(1);
ResultVals.push_back(Chain.getValue(0));
- if (Op.Val->getValueType(1) == MVT::i32) {
+ if (TheCall->getNumRetVals() > 1 &&
+ TheCall->getRetValType(1) == MVT::i32) {
// Returns a i64 value.
- Chain = DAG.getCopyFromReg(Chain, ARM::R1, MVT::i32,
+ Chain = DAG.getCopyFromReg(Chain, dl, ARM::R1, MVT::i32,
Chain.getValue(2)).getValue(1);
ResultVals.push_back(Chain.getValue(0));
- NodeTys.push_back(MVT::i32);
}
- NodeTys.push_back(MVT::i32);
break;
case MVT::f32:
- Chain = DAG.getCopyFromReg(Chain, ARM::R0, MVT::i32, InFlag).getValue(1);
- ResultVals.push_back(DAG.getNode(ISD::BIT_CONVERT, MVT::f32,
+ Chain = DAG.getCopyFromReg(Chain, dl, ARM::R0,
+ MVT::i32, InFlag).getValue(1);
+ ResultVals.push_back(DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32,
Chain.getValue(0)));
- NodeTys.push_back(MVT::f32);
break;
case MVT::f64: {
- SDOperand Lo = DAG.getCopyFromReg(Chain, ARM::R0, MVT::i32, InFlag);
- SDOperand Hi = DAG.getCopyFromReg(Lo, ARM::R1, MVT::i32, Lo.getValue(2));
- ResultVals.push_back(DAG.getNode(ARMISD::FMDRR, MVT::f64, Lo, Hi));
- NodeTys.push_back(MVT::f64);
+ SDValue Lo = DAG.getCopyFromReg(Chain, dl, ARM::R0, MVT::i32, InFlag);
+ SDValue Hi = DAG.getCopyFromReg(Lo, dl, ARM::R1, MVT::i32, Lo.getValue(2));
+ ResultVals.push_back(DAG.getNode(ARMISD::FMDRR, dl, MVT::f64, Lo, Hi));
break;
}
}
- NodeTys.push_back(MVT::Other);
-
if (ResultVals.empty())
return Chain;
ResultVals.push_back(Chain);
- SDOperand Res = DAG.getNode(ISD::MERGE_VALUES, NodeTys, &ResultVals[0],
- ResultVals.size());
- return Res.getValue(Op.ResNo);
+ SDValue Res = DAG.getMergeValues(&ResultVals[0], ResultVals.size(), dl);
+ return Res.getValue(Op.getResNo());
}
-static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG) {
- SDOperand Copy;
- SDOperand Chain = Op.getOperand(0);
+static SDValue LowerRET(SDValue Op, SelectionDAG &DAG) {
+ SDValue Copy;
+ SDValue Chain = Op.getOperand(0);
+ DebugLoc dl = Op.getDebugLoc();
switch(Op.getNumOperands()) {
default:
assert(0 && "Do not know how to return this many arguments!");
abort();
case 1: {
- SDOperand LR = DAG.getRegister(ARM::LR, MVT::i32);
- return DAG.getNode(ARMISD::RET_FLAG, MVT::Other, Chain);
+ SDValue LR = DAG.getRegister(ARM::LR, MVT::i32);
+ return DAG.getNode(ARMISD::RET_FLAG, dl, MVT::Other, Chain);
}
case 3:
Op = Op.getOperand(1);
if (Op.getValueType() == MVT::f32) {
- Op = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, Op);
+ Op = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
} else if (Op.getValueType() == MVT::f64) {
// Legalize ret f64 -> ret 2 x i32. We always have fmrrd if f64 is
// available.
- Op = DAG.getNode(ARMISD::FMRRD, DAG.getVTList(MVT::i32, MVT::i32), &Op,1);
- SDOperand Sign = DAG.getConstant(0, MVT::i32);
- return DAG.getNode(ISD::RET, MVT::Other, Chain, Op, Sign,
+ Op = DAG.getNode(ARMISD::FMRRD, dl,
+ DAG.getVTList(MVT::i32, MVT::i32), &Op,1);
+ SDValue Sign = DAG.getConstant(0, MVT::i32);
+ return DAG.getNode(ISD::RET, dl, MVT::Other, Chain, Op, Sign,
Op.getValue(1), Sign);
}
- Copy = DAG.getCopyToReg(Chain, ARM::R0, Op, SDOperand());
- if (DAG.getMachineFunction().liveout_empty())
- DAG.getMachineFunction().addLiveOut(ARM::R0);
+ Copy = DAG.getCopyToReg(Chain, dl, ARM::R0, Op, SDValue());
+ if (DAG.getMachineFunction().getRegInfo().liveout_empty())
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R0);
break;
case 5:
- Copy = DAG.getCopyToReg(Chain, ARM::R1, Op.getOperand(3), SDOperand());
- Copy = DAG.getCopyToReg(Copy, ARM::R0, Op.getOperand(1), Copy.getValue(1));
+ Copy = DAG.getCopyToReg(Chain, dl, ARM::R1, Op.getOperand(3), SDValue());
+ Copy = DAG.getCopyToReg(Copy, dl, ARM::R0, Op.getOperand(1),
+ Copy.getValue(1));
// If we haven't noted the R0+R1 are live out, do so now.
- if (DAG.getMachineFunction().liveout_empty()) {
- DAG.getMachineFunction().addLiveOut(ARM::R0);
- DAG.getMachineFunction().addLiveOut(ARM::R1);
+ if (DAG.getMachineFunction().getRegInfo().liveout_empty()) {
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R0);
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R1);
}
break;
+ case 9: // i128 -> 4 regs
+ Copy = DAG.getCopyToReg(Chain, dl, ARM::R3, Op.getOperand(7), SDValue());
+ Copy = DAG.getCopyToReg(Copy , dl, ARM::R2, Op.getOperand(5),
+ Copy.getValue(1));
+ Copy = DAG.getCopyToReg(Copy , dl, ARM::R1, Op.getOperand(3),
+ Copy.getValue(1));
+ Copy = DAG.getCopyToReg(Copy , dl, ARM::R0, Op.getOperand(1),
+ Copy.getValue(1));
+ // If we haven't noted the R0+R1 are live out, do so now.
+ if (DAG.getMachineFunction().getRegInfo().liveout_empty()) {
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R0);
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R1);
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R2);
+ DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R3);
+ }
+ break;
+
}
//We must use RET_FLAG instead of BRIND because BRIND doesn't have a flag
- return DAG.getNode(ARMISD::RET_FLAG, MVT::Other, Copy, Copy.getValue(1));
+ return DAG.getNode(ARMISD::RET_FLAG, dl, MVT::Other, Copy, Copy.getValue(1));
}
// ConstantPool, JumpTable, GlobalAddress, and ExternalSymbol are lowered as
// Select(N) returns N. So the raw TargetGlobalAddress nodes, etc. can only
// be used to form addressing mode. These wrapped nodes will be selected
// into MOVi.
-static SDOperand LowerConstantPool(SDOperand Op, SelectionDAG &DAG) {
- MVT::ValueType PtrVT = Op.getValueType();
+static SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) {
+ MVT PtrVT = Op.getValueType();
+ // FIXME there is no actual debug info here
+ DebugLoc dl = Op.getDebugLoc();
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
- SDOperand Res;
+ SDValue Res;
if (CP->isMachineConstantPoolEntry())
Res = DAG.getTargetConstantPool(CP->getMachineCPVal(), PtrVT,
CP->getAlignment());
else
Res = DAG.getTargetConstantPool(CP->getConstVal(), PtrVT,
CP->getAlignment());
- return DAG.getNode(ARMISD::Wrapper, MVT::i32, Res);
+ return DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Res);
}
// Lower ISD::GlobalTLSAddress using the "general dynamic" model
-SDOperand
+SDValue
ARMTargetLowering::LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA,
SelectionDAG &DAG) {
- MVT::ValueType PtrVT = getPointerTy();
+ DebugLoc dl = GA->getDebugLoc();
+ MVT PtrVT = getPointerTy();
unsigned char PCAdj = Subtarget->isThumb() ? 4 : 8;
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GA->getGlobal(), ARMPCLabelIndex, ARMCP::CPValue,
PCAdj, "tlsgd", true);
- SDOperand Argument = DAG.getTargetConstantPool(CPV, PtrVT, 2);
- Argument = DAG.getNode(ARMISD::Wrapper, MVT::i32, Argument);
- Argument = DAG.getLoad(PtrVT, DAG.getEntryNode(), Argument, NULL, 0);
- SDOperand Chain = Argument.getValue(1);
+ SDValue Argument = DAG.getTargetConstantPool(CPV, PtrVT, 2);
+ Argument = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Argument);
+ Argument = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Argument, NULL, 0);
+ SDValue Chain = Argument.getValue(1);
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- Argument = DAG.getNode(ARMISD::PIC_ADD, PtrVT, Argument, PICLabel);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ Argument = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Argument, PICLabel);
// call __tls_get_addr.
ArgListTy Args;
Entry.Node = Argument;
Entry.Ty = (const Type *) Type::Int32Ty;
Args.push_back(Entry);
- std::pair<SDOperand, SDOperand> CallResult =
- LowerCallTo(Chain, (const Type *) Type::Int32Ty, false, false,
+ // FIXME: is there useful debug info available here?
+ std::pair<SDValue, SDValue> CallResult =
+ LowerCallTo(Chain, (const Type *) Type::Int32Ty, false, false, false, false,
CallingConv::C, false,
- DAG.getExternalSymbol("__tls_get_addr", PtrVT), Args, DAG);
+ DAG.getExternalSymbol("__tls_get_addr", PtrVT), Args, DAG, dl);
return CallResult.first;
}
// Lower ISD::GlobalTLSAddress using the "initial exec" or
// "local exec" model.
-SDOperand
+SDValue
ARMTargetLowering::LowerToTLSExecModels(GlobalAddressSDNode *GA,
SelectionDAG &DAG) {
GlobalValue *GV = GA->getGlobal();
- SDOperand Offset;
- SDOperand Chain = DAG.getEntryNode();
- MVT::ValueType PtrVT = getPointerTy();
+ DebugLoc dl = GA->getDebugLoc();
+ SDValue Offset;
+ SDValue Chain = DAG.getEntryNode();
+ MVT PtrVT = getPointerTy();
// Get the Thread Pointer
- SDOperand ThreadPointer = DAG.getNode(ARMISD::THREAD_POINTER, PtrVT);
+ SDValue ThreadPointer = DAG.getNode(ARMISD::THREAD_POINTER, dl, PtrVT);
if (GV->isDeclaration()){
// initial exec model
new ARMConstantPoolValue(GA->getGlobal(), ARMPCLabelIndex, ARMCP::CPValue,
PCAdj, "gottpoff", true);
Offset = DAG.getTargetConstantPool(CPV, PtrVT, 2);
- Offset = DAG.getNode(ARMISD::Wrapper, MVT::i32, Offset);
- Offset = DAG.getLoad(PtrVT, Chain, Offset, NULL, 0);
+ Offset = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Offset);
+ Offset = DAG.getLoad(PtrVT, dl, Chain, Offset, NULL, 0);
Chain = Offset.getValue(1);
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- Offset = DAG.getNode(ARMISD::PIC_ADD, PtrVT, Offset, PICLabel);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ Offset = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Offset, PICLabel);
- Offset = DAG.getLoad(PtrVT, Chain, Offset, NULL, 0);
+ Offset = DAG.getLoad(PtrVT, dl, Chain, Offset, NULL, 0);
} else {
// local exec model
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GV, ARMCP::CPValue, "tpoff");
Offset = DAG.getTargetConstantPool(CPV, PtrVT, 2);
- Offset = DAG.getNode(ARMISD::Wrapper, MVT::i32, Offset);
- Offset = DAG.getLoad(PtrVT, Chain, Offset, NULL, 0);
+ Offset = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Offset);
+ Offset = DAG.getLoad(PtrVT, dl, Chain, Offset, NULL, 0);
}
// The address of the thread local variable is the add of the thread
// pointer with the offset of the variable.
- return DAG.getNode(ISD::ADD, PtrVT, ThreadPointer, Offset);
+ return DAG.getNode(ISD::ADD, dl, PtrVT, ThreadPointer, Offset);
}
-SDOperand
-ARMTargetLowering::LowerGlobalTLSAddress(SDOperand Op, SelectionDAG &DAG) {
+SDValue
+ARMTargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) {
// TODO: implement the "local dynamic" model
assert(Subtarget->isTargetELF() &&
"TLS not implemented for non-ELF targets");
return LowerToTLSExecModels(GA, DAG);
}
-SDOperand ARMTargetLowering::LowerGlobalAddressELF(SDOperand Op,
+SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op,
SelectionDAG &DAG) {
- MVT::ValueType PtrVT = getPointerTy();
+ MVT PtrVT = getPointerTy();
+ DebugLoc dl = Op.getDebugLoc();
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
if (RelocM == Reloc::PIC_) {
- bool UseGOTOFF = GV->hasInternalLinkage() || GV->hasHiddenVisibility();
+ bool UseGOTOFF = GV->hasLocalLinkage() || GV->hasHiddenVisibility();
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GV, ARMCP::CPValue, UseGOTOFF ? "GOTOFF":"GOT");
- SDOperand CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 2);
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
- SDOperand Result = DAG.getLoad(PtrVT, DAG.getEntryNode(), CPAddr, NULL, 0);
- SDOperand Chain = Result.getValue(1);
- SDOperand GOT = DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, PtrVT);
- Result = DAG.getNode(ISD::ADD, PtrVT, Result, GOT);
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 2);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(),
+ CPAddr, NULL, 0);
+ SDValue Chain = Result.getValue(1);
+ SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(PtrVT);
+ Result = DAG.getNode(ISD::ADD, dl, PtrVT, Result, GOT);
if (!UseGOTOFF)
- Result = DAG.getLoad(PtrVT, Chain, Result, NULL, 0);
+ Result = DAG.getLoad(PtrVT, dl, Chain, Result, NULL, 0);
return Result;
} else {
- SDOperand CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 2);
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
- return DAG.getLoad(PtrVT, DAG.getEntryNode(), CPAddr, NULL, 0);
+ SDValue CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 2);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ return DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
}
}
/// GVIsIndirectSymbol - true if the GV will be accessed via an indirect symbol
/// even in non-static mode.
static bool GVIsIndirectSymbol(GlobalValue *GV, Reloc::Model RelocM) {
- return RelocM != Reloc::Static &&
- (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
- (GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode()));
+ // If symbol visibility is hidden, the extra load is not needed if
+ // the symbol is definitely defined in the current translation unit.
+ bool isDecl = GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode();
+ if (GV->hasHiddenVisibility() && (!isDecl && !GV->hasCommonLinkage()))
+ return false;
+ return RelocM != Reloc::Static && (isDecl || GV->mayBeOverridden());
}
-SDOperand ARMTargetLowering::LowerGlobalAddressDarwin(SDOperand Op,
+SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op,
SelectionDAG &DAG) {
- MVT::ValueType PtrVT = getPointerTy();
+ MVT PtrVT = getPointerTy();
+ DebugLoc dl = Op.getDebugLoc();
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
bool IsIndirect = GVIsIndirectSymbol(GV, RelocM);
- SDOperand CPAddr;
+ SDValue CPAddr;
if (RelocM == Reloc::Static)
CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 2);
else {
Kind, PCAdj);
CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 2);
}
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
- SDOperand Result = DAG.getLoad(PtrVT, DAG.getEntryNode(), CPAddr, NULL, 0);
- SDOperand Chain = Result.getValue(1);
+ SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
+ SDValue Chain = Result.getValue(1);
if (RelocM == Reloc::PIC_) {
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- Result = DAG.getNode(ARMISD::PIC_ADD, PtrVT, Result, PICLabel);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ Result = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
if (IsIndirect)
- Result = DAG.getLoad(PtrVT, Chain, Result, NULL, 0);
+ Result = DAG.getLoad(PtrVT, dl, Chain, Result, NULL, 0);
return Result;
}
-SDOperand ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDOperand Op,
+SDValue ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDValue Op,
SelectionDAG &DAG){
assert(Subtarget->isTargetELF() &&
"GLOBAL OFFSET TABLE not implemented for non-ELF targets");
- MVT::ValueType PtrVT = getPointerTy();
+ MVT PtrVT = getPointerTy();
+ DebugLoc dl = Op.getDebugLoc();
unsigned PCAdj = Subtarget->isThumb() ? 4 : 8;
ARMConstantPoolValue *CPV = new ARMConstantPoolValue("_GLOBAL_OFFSET_TABLE_",
ARMPCLabelIndex,
ARMCP::CPValue, PCAdj);
- SDOperand CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 2);
- CPAddr = DAG.getNode(ARMISD::Wrapper, MVT::i32, CPAddr);
- SDOperand Result = DAG.getLoad(PtrVT, DAG.getEntryNode(), CPAddr, NULL, 0);
- SDOperand PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
- return DAG.getNode(ARMISD::PIC_ADD, PtrVT, Result, PICLabel);
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 2);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ return DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
-static SDOperand LowerVASTART(SDOperand Op, SelectionDAG &DAG,
+static SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) {
+ MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ unsigned IntNo = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
+ switch (IntNo) {
+ default: return SDValue(); // Don't custom lower most intrinsics.
+ case Intrinsic::arm_thread_pointer:
+ return DAG.getNode(ARMISD::THREAD_POINTER, DebugLoc::getUnknownLoc(),
+ PtrVT);
+ }
+}
+
+static SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG,
unsigned VarArgsFrameIndex) {
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
- MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
- SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
- return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV->getValue(),
- SV->getOffset());
+ DebugLoc dl = Op.getDebugLoc();
+ MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ SDValue FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), dl, FR, Op.getOperand(1), SV, 0);
}
-static SDOperand LowerFORMAL_ARGUMENT(SDOperand Op, SelectionDAG &DAG,
- unsigned *vRegs, unsigned ArgNo,
- unsigned &NumGPRs, unsigned &ArgOffset) {
+static SDValue LowerFORMAL_ARGUMENT(SDValue Op, SelectionDAG &DAG,
+ unsigned ArgNo, unsigned &NumGPRs,
+ unsigned &ArgOffset, DebugLoc dl) {
MachineFunction &MF = DAG.getMachineFunction();
- MVT::ValueType ObjectVT = Op.getValue(ArgNo).getValueType();
- SDOperand Root = Op.getOperand(0);
- std::vector<SDOperand> ArgValues;
- SSARegMap *RegMap = MF.getSSARegMap();
+ MVT ObjectVT = Op.getValue(ArgNo).getValueType();
+ SDValue Root = Op.getOperand(0);
+ MachineRegisterInfo &RegInfo = MF.getRegInfo();
static const unsigned GPRArgRegs[] = {
ARM::R0, ARM::R1, ARM::R2, ARM::R3
unsigned ObjGPRs;
unsigned GPRPad;
unsigned StackPad;
- unsigned Flags = Op.getConstantOperandVal(ArgNo + 3);
+ ISD::ArgFlagsTy Flags =
+ cast<ARG_FLAGSSDNode>(Op.getOperand(ArgNo + 3))->getArgFlags();
HowToPassArgument(ObjectVT, NumGPRs, ArgOffset, ObjGPRs,
ObjSize, GPRPad, StackPad, Flags);
NumGPRs += GPRPad;
ArgOffset += StackPad;
- SDOperand ArgValue;
+ SDValue ArgValue;
if (ObjGPRs == 1) {
- unsigned VReg = RegMap->createVirtualRegister(&ARM::GPRRegClass);
- MF.addLiveIn(GPRArgRegs[NumGPRs], VReg);
- vRegs[NumGPRs] = VReg;
- ArgValue = DAG.getCopyFromReg(Root, VReg, MVT::i32);
+ unsigned VReg = RegInfo.createVirtualRegister(&ARM::GPRRegClass);
+ RegInfo.addLiveIn(GPRArgRegs[NumGPRs], VReg);
+ ArgValue = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
if (ObjectVT == MVT::f32)
- ArgValue = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, ArgValue);
+ ArgValue = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32, ArgValue);
} else if (ObjGPRs == 2) {
- unsigned VReg = RegMap->createVirtualRegister(&ARM::GPRRegClass);
- MF.addLiveIn(GPRArgRegs[NumGPRs], VReg);
- vRegs[NumGPRs] = VReg;
- ArgValue = DAG.getCopyFromReg(Root, VReg, MVT::i32);
-
- VReg = RegMap->createVirtualRegister(&ARM::GPRRegClass);
- MF.addLiveIn(GPRArgRegs[NumGPRs+1], VReg);
- vRegs[NumGPRs+1] = VReg;
- SDOperand ArgValue2 = DAG.getCopyFromReg(Root, VReg, MVT::i32);
-
- if (ObjectVT == MVT::i64)
- ArgValue = DAG.getNode(ISD::BUILD_PAIR, MVT::i64, ArgValue, ArgValue2);
- else
- ArgValue = DAG.getNode(ARMISD::FMDRR, MVT::f64, ArgValue, ArgValue2);
+ unsigned VReg = RegInfo.createVirtualRegister(&ARM::GPRRegClass);
+ RegInfo.addLiveIn(GPRArgRegs[NumGPRs], VReg);
+ ArgValue = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
+
+ VReg = RegInfo.createVirtualRegister(&ARM::GPRRegClass);
+ RegInfo.addLiveIn(GPRArgRegs[NumGPRs+1], VReg);
+ SDValue ArgValue2 = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
+
+ assert(ObjectVT != MVT::i64 && "i64 should already be lowered");
+ ArgValue = DAG.getNode(ARMISD::FMDRR, dl, MVT::f64, ArgValue, ArgValue2);
}
NumGPRs += ObjGPRs;
if (ObjSize) {
- // If the argument is actually used, emit a load from the right stack
- // slot.
- if (!Op.Val->hasNUsesOfValue(0, ArgNo)) {
- MachineFrameInfo *MFI = MF.getFrameInfo();
- int FI = MFI->CreateFixedObject(ObjSize, ArgOffset);
- SDOperand FIN = DAG.getFrameIndex(FI, MVT::i32);
- if (ObjGPRs == 0)
- ArgValue = DAG.getLoad(ObjectVT, Root, FIN, NULL, 0);
- else {
- SDOperand ArgValue2 =
- DAG.getLoad(MVT::i32, Root, FIN, NULL, 0);
- if (ObjectVT == MVT::i64)
- ArgValue= DAG.getNode(ISD::BUILD_PAIR, MVT::i64, ArgValue, ArgValue2);
- else
- ArgValue= DAG.getNode(ARMISD::FMDRR, MVT::f64, ArgValue, ArgValue2);
- }
- } else {
- // Don't emit a dead load.
- ArgValue = DAG.getNode(ISD::UNDEF, ObjectVT);
+ MachineFrameInfo *MFI = MF.getFrameInfo();
+ int FI = MFI->CreateFixedObject(ObjSize, ArgOffset);
+ SDValue FIN = DAG.getFrameIndex(FI, MVT::i32);
+ if (ObjGPRs == 0)
+ ArgValue = DAG.getLoad(ObjectVT, dl, Root, FIN, NULL, 0);
+ else {
+ SDValue ArgValue2 = DAG.getLoad(MVT::i32, dl, Root, FIN, NULL, 0);
+ assert(ObjectVT != MVT::i64 && "i64 should already be lowered");
+ ArgValue = DAG.getNode(ARMISD::FMDRR, dl, MVT::f64, ArgValue, ArgValue2);
}
ArgOffset += ObjSize; // Move on to the next argument.
return ArgValue;
}
-SDOperand
-ARMTargetLowering::LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG) {
- std::vector<SDOperand> ArgValues;
- SDOperand Root = Op.getOperand(0);
+SDValue
+ARMTargetLowering::LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG) {
+ std::vector<SDValue> ArgValues;
+ SDValue Root = Op.getOperand(0);
+ DebugLoc dl = Op.getDebugLoc();
unsigned ArgOffset = 0; // Frame mechanisms handle retaddr slot
unsigned NumGPRs = 0; // GPRs used for parameter passing.
- unsigned VRegs[4];
- unsigned NumArgs = Op.Val->getNumValues()-1;
+ unsigned NumArgs = Op.getNode()->getNumValues()-1;
for (unsigned ArgNo = 0; ArgNo < NumArgs; ++ArgNo)
- ArgValues.push_back(LowerFORMAL_ARGUMENT(Op, DAG, VRegs, ArgNo,
- NumGPRs, ArgOffset));
+ ArgValues.push_back(LowerFORMAL_ARGUMENT(Op, DAG, ArgNo,
+ NumGPRs, ArgOffset, dl));
- bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
+ bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getZExtValue() != 0;
if (isVarArg) {
static const unsigned GPRArgRegs[] = {
ARM::R0, ARM::R1, ARM::R2, ARM::R3
};
MachineFunction &MF = DAG.getMachineFunction();
- SSARegMap *RegMap = MF.getSSARegMap();
+ MachineRegisterInfo &RegInfo = MF.getRegInfo();
MachineFrameInfo *MFI = MF.getFrameInfo();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
AFI->setVarArgsRegSaveSize(VARegSaveSize);
VarArgsFrameIndex = MFI->CreateFixedObject(VARegSaveSize, ArgOffset +
VARegSaveSize - VARegSize);
- SDOperand FIN = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
+ SDValue FIN = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
- SmallVector<SDOperand, 4> MemOps;
+ SmallVector<SDValue, 4> MemOps;
for (; NumGPRs < 4; ++NumGPRs) {
- unsigned VReg = RegMap->createVirtualRegister(&ARM::GPRRegClass);
- MF.addLiveIn(GPRArgRegs[NumGPRs], VReg);
- SDOperand Val = DAG.getCopyFromReg(Root, VReg, MVT::i32);
- SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN, NULL, 0);
+ unsigned VReg = RegInfo.createVirtualRegister(&ARM::GPRRegClass);
+ RegInfo.addLiveIn(GPRArgRegs[NumGPRs], VReg);
+ SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
+ SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
- FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN,
+ FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), FIN,
DAG.getConstant(4, getPointerTy()));
}
if (!MemOps.empty())
- Root = DAG.getNode(ISD::TokenFactor, MVT::Other,
+ Root = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&MemOps[0], MemOps.size());
} else
// This will point to the next argument passed via stack.
ArgValues.push_back(Root);
// Return the new list of results.
- std::vector<MVT::ValueType> RetVT(Op.Val->value_begin(),
- Op.Val->value_end());
- return DAG.getNode(ISD::MERGE_VALUES, RetVT, &ArgValues[0], ArgValues.size());
+ return DAG.getNode(ISD::MERGE_VALUES, dl, Op.getNode()->getVTList(),
+ &ArgValues[0], ArgValues.size());
}
/// isFloatingPointZero - Return true if this is +0.0.
-static bool isFloatingPointZero(SDOperand Op) {
+static bool isFloatingPointZero(SDValue Op) {
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Op))
return CFP->getValueAPF().isPosZero();
- else if (ISD::isEXTLoad(Op.Val) || ISD::isNON_EXTLoad(Op.Val)) {
+ else if (ISD::isEXTLoad(Op.getNode()) || ISD::isNON_EXTLoad(Op.getNode())) {
// Maybe this has already been legalized into the constant pool?
if (Op.getOperand(1).getOpcode() == ARMISD::Wrapper) {
- SDOperand WrapperOp = Op.getOperand(1).getOperand(0);
+ SDValue WrapperOp = Op.getOperand(1).getOperand(0);
if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(WrapperOp))
if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
return CFP->getValueAPF().isPosZero();
/// Returns appropriate ARM CMP (cmp) and corresponding condition code for
/// the given operands.
-static SDOperand getARMCmp(SDOperand LHS, SDOperand RHS, ISD::CondCode CC,
- SDOperand &ARMCC, SelectionDAG &DAG, bool isThumb) {
- if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(RHS.Val)) {
- unsigned C = RHSC->getValue();
+static SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
+ SDValue &ARMCC, SelectionDAG &DAG, bool isThumb,
+ DebugLoc dl) {
+ if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(RHS.getNode())) {
+ unsigned C = RHSC->getZExtValue();
if (!isLegalCmpImmediate(C, isThumb)) {
// Constant does not fit, try adjusting it by one?
switch (CC) {
break;
}
ARMCC = DAG.getConstant(CondCode, MVT::i32);
- return DAG.getNode(CompareType, MVT::Flag, LHS, RHS);
+ return DAG.getNode(CompareType, dl, MVT::Flag, LHS, RHS);
}
/// Returns a appropriate VFP CMP (fcmp{s|d}+fmstat) for the given operands.
-static SDOperand getVFPCmp(SDOperand LHS, SDOperand RHS, SelectionDAG &DAG) {
- SDOperand Cmp;
+static SDValue getVFPCmp(SDValue LHS, SDValue RHS, SelectionDAG &DAG,
+ DebugLoc dl) {
+ SDValue Cmp;
if (!isFloatingPointZero(RHS))
- Cmp = DAG.getNode(ARMISD::CMPFP, MVT::Flag, LHS, RHS);
+ Cmp = DAG.getNode(ARMISD::CMPFP, dl, MVT::Flag, LHS, RHS);
else
- Cmp = DAG.getNode(ARMISD::CMPFPw0, MVT::Flag, LHS);
- return DAG.getNode(ARMISD::FMSTAT, MVT::Flag, Cmp);
+ Cmp = DAG.getNode(ARMISD::CMPFPw0, dl, MVT::Flag, LHS);
+ return DAG.getNode(ARMISD::FMSTAT, dl, MVT::Flag, Cmp);
}
-static SDOperand LowerSELECT_CC(SDOperand Op, SelectionDAG &DAG,
+static SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG,
const ARMSubtarget *ST) {
- MVT::ValueType VT = Op.getValueType();
- SDOperand LHS = Op.getOperand(0);
- SDOperand RHS = Op.getOperand(1);
+ MVT VT = Op.getValueType();
+ SDValue LHS = Op.getOperand(0);
+ SDValue RHS = Op.getOperand(1);
ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(4))->get();
- SDOperand TrueVal = Op.getOperand(2);
- SDOperand FalseVal = Op.getOperand(3);
+ SDValue TrueVal = Op.getOperand(2);
+ SDValue FalseVal = Op.getOperand(3);
+ DebugLoc dl = Op.getDebugLoc();
if (LHS.getValueType() == MVT::i32) {
- SDOperand ARMCC;
- SDOperand CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- SDOperand Cmp = getARMCmp(LHS, RHS, CC, ARMCC, DAG, ST->isThumb());
- return DAG.getNode(ARMISD::CMOV, VT, FalseVal, TrueVal, ARMCC, CCR, Cmp);
+ SDValue ARMCC;
+ SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ SDValue Cmp = getARMCmp(LHS, RHS, CC, ARMCC, DAG, ST->isThumb(), dl);
+ return DAG.getNode(ARMISD::CMOV, dl, VT, FalseVal, TrueVal, ARMCC, CCR,Cmp);
}
ARMCC::CondCodes CondCode, CondCode2;
if (FPCCToARMCC(CC, CondCode, CondCode2))
std::swap(TrueVal, FalseVal);
- SDOperand ARMCC = DAG.getConstant(CondCode, MVT::i32);
- SDOperand CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- SDOperand Cmp = getVFPCmp(LHS, RHS, DAG);
- SDOperand Result = DAG.getNode(ARMISD::CMOV, VT, FalseVal, TrueVal,
+ SDValue ARMCC = DAG.getConstant(CondCode, MVT::i32);
+ SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
+ SDValue Result = DAG.getNode(ARMISD::CMOV, dl, VT, FalseVal, TrueVal,
ARMCC, CCR, Cmp);
if (CondCode2 != ARMCC::AL) {
- SDOperand ARMCC2 = DAG.getConstant(CondCode2, MVT::i32);
+ SDValue ARMCC2 = DAG.getConstant(CondCode2, MVT::i32);
// FIXME: Needs another CMP because flag can have but one use.
- SDOperand Cmp2 = getVFPCmp(LHS, RHS, DAG);
- Result = DAG.getNode(ARMISD::CMOV, VT, Result, TrueVal, ARMCC2, CCR, Cmp2);
+ SDValue Cmp2 = getVFPCmp(LHS, RHS, DAG, dl);
+ Result = DAG.getNode(ARMISD::CMOV, dl, VT,
+ Result, TrueVal, ARMCC2, CCR, Cmp2);
}
return Result;
}
-static SDOperand LowerBR_CC(SDOperand Op, SelectionDAG &DAG,
+static SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG,
const ARMSubtarget *ST) {
- SDOperand Chain = Op.getOperand(0);
+ SDValue Chain = Op.getOperand(0);
ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(1))->get();
- SDOperand LHS = Op.getOperand(2);
- SDOperand RHS = Op.getOperand(3);
- SDOperand Dest = Op.getOperand(4);
+ SDValue LHS = Op.getOperand(2);
+ SDValue RHS = Op.getOperand(3);
+ SDValue Dest = Op.getOperand(4);
+ DebugLoc dl = Op.getDebugLoc();
if (LHS.getValueType() == MVT::i32) {
- SDOperand ARMCC;
- SDOperand CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- SDOperand Cmp = getARMCmp(LHS, RHS, CC, ARMCC, DAG, ST->isThumb());
- return DAG.getNode(ARMISD::BRCOND, MVT::Other, Chain, Dest, ARMCC, CCR,Cmp);
+ SDValue ARMCC;
+ SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ SDValue Cmp = getARMCmp(LHS, RHS, CC, ARMCC, DAG, ST->isThumb(), dl);
+ return DAG.getNode(ARMISD::BRCOND, dl, MVT::Other,
+ Chain, Dest, ARMCC, CCR,Cmp);
}
assert(LHS.getValueType() == MVT::f32 || LHS.getValueType() == MVT::f64);
// Swap the LHS/RHS of the comparison if needed.
std::swap(LHS, RHS);
- SDOperand Cmp = getVFPCmp(LHS, RHS, DAG);
- SDOperand ARMCC = DAG.getConstant(CondCode, MVT::i32);
- SDOperand CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
+ SDValue ARMCC = DAG.getConstant(CondCode, MVT::i32);
+ SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
SDVTList VTList = DAG.getVTList(MVT::Other, MVT::Flag);
- SDOperand Ops[] = { Chain, Dest, ARMCC, CCR, Cmp };
- SDOperand Res = DAG.getNode(ARMISD::BRCOND, VTList, Ops, 5);
+ SDValue Ops[] = { Chain, Dest, ARMCC, CCR, Cmp };
+ SDValue Res = DAG.getNode(ARMISD::BRCOND, dl, VTList, Ops, 5);
if (CondCode2 != ARMCC::AL) {
ARMCC = DAG.getConstant(CondCode2, MVT::i32);
- SDOperand Ops[] = { Res, Dest, ARMCC, CCR, Res.getValue(1) };
- Res = DAG.getNode(ARMISD::BRCOND, VTList, Ops, 5);
+ SDValue Ops[] = { Res, Dest, ARMCC, CCR, Res.getValue(1) };
+ Res = DAG.getNode(ARMISD::BRCOND, dl, VTList, Ops, 5);
}
return Res;
}
-SDOperand ARMTargetLowering::LowerBR_JT(SDOperand Op, SelectionDAG &DAG) {
- SDOperand Chain = Op.getOperand(0);
- SDOperand Table = Op.getOperand(1);
- SDOperand Index = Op.getOperand(2);
+SDValue ARMTargetLowering::LowerBR_JT(SDValue Op, SelectionDAG &DAG) {
+ SDValue Chain = Op.getOperand(0);
+ SDValue Table = Op.getOperand(1);
+ SDValue Index = Op.getOperand(2);
+ DebugLoc dl = Op.getDebugLoc();
- MVT::ValueType PTy = getPointerTy();
+ MVT PTy = getPointerTy();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Table);
ARMFunctionInfo *AFI = DAG.getMachineFunction().getInfo<ARMFunctionInfo>();
- SDOperand UId = DAG.getConstant(AFI->createJumpTableUId(), PTy);
- SDOperand JTI = DAG.getTargetJumpTable(JT->getIndex(), PTy);
- Table = DAG.getNode(ARMISD::WrapperJT, MVT::i32, JTI, UId);
- Index = DAG.getNode(ISD::MUL, PTy, Index, DAG.getConstant(4, PTy));
- SDOperand Addr = DAG.getNode(ISD::ADD, PTy, Index, Table);
+ 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));
+ SDValue Addr = DAG.getNode(ISD::ADD, dl, PTy, Index, Table);
bool isPIC = getTargetMachine().getRelocationModel() == Reloc::PIC_;
- Addr = DAG.getLoad(isPIC ? (MVT::ValueType)MVT::i32 : PTy,
+ Addr = DAG.getLoad(isPIC ? (MVT)MVT::i32 : PTy, dl,
Chain, Addr, NULL, 0);
Chain = Addr.getValue(1);
if (isPIC)
- Addr = DAG.getNode(ISD::ADD, PTy, Addr, Table);
- return DAG.getNode(ARMISD::BR_JT, MVT::Other, Chain, Addr, JTI, UId);
+ Addr = DAG.getNode(ISD::ADD, dl, PTy, Addr, Table);
+ return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI, UId);
}
-static SDOperand LowerFP_TO_INT(SDOperand Op, SelectionDAG &DAG) {
+static SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG) {
+ DebugLoc dl = Op.getDebugLoc();
unsigned Opc =
Op.getOpcode() == ISD::FP_TO_SINT ? ARMISD::FTOSI : ARMISD::FTOUI;
- Op = DAG.getNode(Opc, MVT::f32, Op.getOperand(0));
- return DAG.getNode(ISD::BIT_CONVERT, MVT::i32, Op);
+ Op = DAG.getNode(Opc, dl, MVT::f32, Op.getOperand(0));
+ return DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
}
-static SDOperand LowerINT_TO_FP(SDOperand Op, SelectionDAG &DAG) {
- MVT::ValueType VT = Op.getValueType();
+static SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
+ MVT VT = Op.getValueType();
+ DebugLoc dl = Op.getDebugLoc();
unsigned Opc =
Op.getOpcode() == ISD::SINT_TO_FP ? ARMISD::SITOF : ARMISD::UITOF;
- Op = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Op.getOperand(0));
- return DAG.getNode(Opc, VT, Op);
+ Op = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32, Op.getOperand(0));
+ return DAG.getNode(Opc, dl, VT, Op);
}
-static SDOperand LowerFCOPYSIGN(SDOperand Op, SelectionDAG &DAG) {
+static SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) {
// Implement fcopysign with a fabs and a conditional fneg.
- SDOperand Tmp0 = Op.getOperand(0);
- SDOperand Tmp1 = Op.getOperand(1);
- MVT::ValueType VT = Op.getValueType();
- MVT::ValueType SrcVT = Tmp1.getValueType();
- SDOperand AbsVal = DAG.getNode(ISD::FABS, VT, Tmp0);
- SDOperand Cmp = getVFPCmp(Tmp1, DAG.getConstantFP(0.0, SrcVT), DAG);
- SDOperand ARMCC = DAG.getConstant(ARMCC::LT, MVT::i32);
- SDOperand CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
- return DAG.getNode(ARMISD::CNEG, VT, AbsVal, AbsVal, ARMCC, CCR, Cmp);
-}
-
-static SDOperand LowerBIT_CONVERT(SDOperand Op, SelectionDAG &DAG) {
- // Turn f64->i64 into FMRRD.
- assert(Op.getValueType() == MVT::i64 &&
- Op.getOperand(0).getValueType() == MVT::f64);
-
- Op = Op.getOperand(0);
- SDOperand Cvt = DAG.getNode(ARMISD::FMRRD, DAG.getVTList(MVT::i32, MVT::i32),
- &Op, 1);
-
- // Merge the pieces into a single i64 value.
- return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Cvt, Cvt.getValue(1));
-}
-
-static SDOperand LowerSRx(SDOperand Op, SelectionDAG &DAG,
- const ARMSubtarget *ST) {
- assert(Op.getValueType() == MVT::i64 &&
- (Op.getOpcode() == ISD::SRL || Op.getOpcode() == ISD::SRA) &&
- "Unknown shift to lower!");
-
- // We only lower SRA, SRL of 1 here, all others use generic lowering.
- if (!isa<ConstantSDNode>(Op.getOperand(1)) ||
- cast<ConstantSDNode>(Op.getOperand(1))->getValue() != 1)
- return SDOperand();
-
- // If we are in thumb mode, we don't have RRX.
- if (ST->isThumb()) return SDOperand();
-
- // Okay, we have a 64-bit SRA or SRL of 1. Lower this to an RRX expr.
- SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op.getOperand(0),
- DAG.getConstant(0, MVT::i32));
- SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op.getOperand(0),
- DAG.getConstant(1, 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.
- unsigned Opc = Op.getOpcode() == ISD::SRL ? ARMISD::SRL_FLAG:ARMISD::SRA_FLAG;
- Hi = DAG.getNode(Opc, DAG.getVTList(MVT::i32, MVT::Flag), &Hi, 1);
-
- // The low part is an ARMISD::RRX operand, which shifts the carry in.
- Lo = DAG.getNode(ARMISD::RRX, MVT::i32, Lo, Hi.getValue(1));
-
- // Merge the pieces into a single i64 value.
- return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi);
-}
-
-SDOperand ARMTargetLowering::LowerMEMCPY(SDOperand Op, SelectionDAG &DAG) {
- SDOperand ChainOp = Op.getOperand(0);
- SDOperand DestOp = Op.getOperand(1);
- SDOperand SourceOp = Op.getOperand(2);
- SDOperand CountOp = Op.getOperand(3);
- SDOperand AlignOp = Op.getOperand(4);
- SDOperand AlwaysInlineOp = Op.getOperand(5);
-
- bool AlwaysInline = (bool)cast<ConstantSDNode>(AlwaysInlineOp)->getValue();
- unsigned Align = (unsigned)cast<ConstantSDNode>(AlignOp)->getValue();
- if (Align == 0) Align = 1;
-
- // If size is unknown, call memcpy.
- ConstantSDNode *I = dyn_cast<ConstantSDNode>(CountOp);
- if (!I) {
- assert(!AlwaysInline && "Cannot inline copy of unknown size");
- return LowerMEMCPYCall(ChainOp, DestOp, SourceOp, CountOp, DAG);
- }
-
- // If not DWORD aligned or if size is more than threshold, then call memcpy.
- // The libc version is likely to be faster for the these cases. It can
- // use the address value and run time information about the CPU.
- // With glibc 2.6.1 on a core 2, coping an array of 100M longs was 30% faster
- unsigned Size = I->getValue();
- if (AlwaysInline ||
- (Size <= Subtarget->getMaxInlineSizeThreshold() &&
- (Align & 3) == 0))
- return LowerMEMCPYInline(ChainOp, DestOp, SourceOp, Size, Align, DAG);
- return LowerMEMCPYCall(ChainOp, DestOp, SourceOp, CountOp, DAG);
-}
-
-SDOperand ARMTargetLowering::LowerMEMCPYCall(SDOperand Chain,
- SDOperand Dest,
- SDOperand Source,
- SDOperand Count,
- SelectionDAG &DAG) {
- MVT::ValueType IntPtr = getPointerTy();
- TargetLowering::ArgListTy Args;
- TargetLowering::ArgListEntry Entry;
- Entry.Ty = getTargetData()->getIntPtrType();
- Entry.Node = Dest; Args.push_back(Entry);
- Entry.Node = Source; Args.push_back(Entry);
- Entry.Node = Count; Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
- LowerCallTo(Chain, Type::VoidTy, false, false, CallingConv::C, false,
- DAG.getExternalSymbol("memcpy", IntPtr), Args, DAG);
- return CallResult.second;
+ SDValue Tmp0 = Op.getOperand(0);
+ SDValue Tmp1 = Op.getOperand(1);
+ DebugLoc dl = Op.getDebugLoc();
+ MVT VT = Op.getValueType();
+ MVT SrcVT = Tmp1.getValueType();
+ SDValue AbsVal = DAG.getNode(ISD::FABS, dl, VT, Tmp0);
+ SDValue Cmp = getVFPCmp(Tmp1, DAG.getConstantFP(0.0, SrcVT), DAG, dl);
+ SDValue ARMCC = DAG.getConstant(ARMCC::LT, MVT::i32);
+ SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
+ return DAG.getNode(ARMISD::CNEG, dl, VT, AbsVal, AbsVal, ARMCC, CCR, Cmp);
}
-SDOperand ARMTargetLowering::LowerMEMCPYInline(SDOperand Chain,
- SDOperand Dest,
- SDOperand Source,
- unsigned Size,
- unsigned Align,
- SelectionDAG &DAG) {
+SDValue
+ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
+ SDValue Chain,
+ SDValue Dst, SDValue Src,
+ SDValue Size, unsigned Align,
+ bool AlwaysInline,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff){
// Do repeated 4-byte loads and stores. To be improved.
- assert((Align & 3) == 0 && "Expected 4-byte aligned addresses!");
- unsigned BytesLeft = Size & 3;
- unsigned NumMemOps = Size >> 2;
+ // This requires 4-byte alignment.
+ if ((Align & 3) != 0)
+ return SDValue();
+ // This requires the copy size to be a constant, preferrably
+ // within a subtarget-specific limit.
+ ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
+ if (!ConstantSize)
+ return SDValue();
+ uint64_t SizeVal = ConstantSize->getZExtValue();
+ if (!AlwaysInline && SizeVal > getSubtarget()->getMaxInlineSizeThreshold())
+ return SDValue();
+
+ unsigned BytesLeft = SizeVal & 3;
+ unsigned NumMemOps = SizeVal >> 2;
unsigned EmittedNumMemOps = 0;
- unsigned SrcOff = 0, DstOff = 0;
- MVT::ValueType VT = MVT::i32;
+ MVT VT = MVT::i32;
unsigned VTSize = 4;
unsigned i = 0;
const unsigned MAX_LOADS_IN_LDM = 6;
- SDOperand TFOps[MAX_LOADS_IN_LDM];
- SDOperand Loads[MAX_LOADS_IN_LDM];
+ SDValue TFOps[MAX_LOADS_IN_LDM];
+ SDValue Loads[MAX_LOADS_IN_LDM];
+ uint64_t SrcOff = 0, DstOff = 0;
// Emit up to MAX_LOADS_IN_LDM loads, then a TokenFactor barrier, then the
// same number of stores. The loads and stores will get combined into
while (EmittedNumMemOps < NumMemOps) {
for (i = 0;
i < MAX_LOADS_IN_LDM && EmittedNumMemOps + i < NumMemOps; ++i) {
- Loads[i] = DAG.getLoad(VT, Chain,
- DAG.getNode(ISD::ADD, MVT::i32, Source,
+ Loads[i] = DAG.getLoad(VT, dl, Chain,
+ DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
DAG.getConstant(SrcOff, MVT::i32)),
- NULL, 0);
+ SrcSV, SrcSVOff + SrcOff);
TFOps[i] = Loads[i].getValue(1);
SrcOff += VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
for (i = 0;
i < MAX_LOADS_IN_LDM && EmittedNumMemOps + i < NumMemOps; ++i) {
- TFOps[i] = DAG.getStore(Chain, Loads[i],
- DAG.getNode(ISD::ADD, MVT::i32, Dest,
+ TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
+ DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
DAG.getConstant(DstOff, MVT::i32)),
- NULL, 0);
+ DstSV, DstSVOff + DstOff);
DstOff += VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
EmittedNumMemOps += i;
}
VTSize = 1;
}
- Loads[i] = DAG.getLoad(VT, Chain,
- DAG.getNode(ISD::ADD, MVT::i32, Source,
+ Loads[i] = DAG.getLoad(VT, dl, Chain,
+ DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
DAG.getConstant(SrcOff, MVT::i32)),
- NULL, 0);
+ SrcSV, SrcSVOff + SrcOff);
TFOps[i] = Loads[i].getValue(1);
++i;
SrcOff += VTSize;
BytesLeft -= VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, &TFOps[0], i);
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
i = 0;
BytesLeft = BytesLeftSave;
VTSize = 1;
}
- TFOps[i] = DAG.getStore(Chain, Loads[i],
- DAG.getNode(ISD::ADD, MVT::i32, Dest,
+ TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
+ DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
DAG.getConstant(DstOff, MVT::i32)),
- NULL, 0);
+ DstSV, DstSVOff + DstOff);
++i;
DstOff += VTSize;
BytesLeft -= VTSize;
}
- return DAG.getNode(ISD::TokenFactor, MVT::Other, &TFOps[0], i);
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
+}
+
+static SDValue ExpandBIT_CONVERT(SDNode *N, SelectionDAG &DAG) {
+ SDValue Op = N->getOperand(0);
+ DebugLoc dl = N->getDebugLoc();
+ if (N->getValueType(0) == MVT::f64) {
+ // Turn i64->f64 into FMDRR.
+ SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
+ DAG.getConstant(0, MVT::i32));
+ SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
+ DAG.getConstant(1, MVT::i32));
+ return DAG.getNode(ARMISD::FMDRR, dl, MVT::f64, Lo, Hi);
+ }
+
+ // Turn f64->i64 into FMRRD.
+ SDValue Cvt = DAG.getNode(ARMISD::FMRRD, dl,
+ DAG.getVTList(MVT::i32, MVT::i32), &Op, 1);
+
+ // Merge the pieces into a single i64 value.
+ return DAG.getNode(ISD::BUILD_PAIR, dl, MVT::i64, Cvt, Cvt.getValue(1));
+}
+
+static SDValue ExpandSRx(SDNode *N, SelectionDAG &DAG, const ARMSubtarget *ST) {
+ assert(N->getValueType(0) == MVT::i64 &&
+ (N->getOpcode() == ISD::SRL || N->getOpcode() == ISD::SRA) &&
+ "Unknown shift to lower!");
+
+ // We only lower SRA, SRL of 1 here, all others use generic lowering.
+ if (!isa<ConstantSDNode>(N->getOperand(1)) ||
+ cast<ConstantSDNode>(N->getOperand(1))->getZExtValue() != 1)
+ return SDValue();
+
+ // If we are in thumb mode, we don't have RRX.
+ if (ST->isThumb()) return SDValue();
+
+ // Okay, we have a 64-bit SRA or SRL of 1. Lower this to an RRX expr.
+ DebugLoc dl = N->getDebugLoc();
+ SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, N->getOperand(0),
+ DAG.getConstant(0, MVT::i32));
+ SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, N->getOperand(0),
+ DAG.getConstant(1, 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.
+ unsigned Opc = N->getOpcode() == ISD::SRL ? ARMISD::SRL_FLAG:ARMISD::SRA_FLAG;
+ Hi = DAG.getNode(Opc, dl, DAG.getVTList(MVT::i32, MVT::Flag), &Hi, 1);
+
+ // The low part is an ARMISD::RRX operand, which shifts the carry in.
+ Lo = DAG.getNode(ARMISD::RRX, dl, MVT::i32, Lo, Hi.getValue(1));
+
+ // Merge the pieces into a single i64 value.
+ return DAG.getNode(ISD::BUILD_PAIR, dl, MVT::i64, Lo, Hi);
}
-SDOperand ARMTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
+
+SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
switch (Op.getOpcode()) {
default: assert(0 && "Don't know how to custom lower this!"); abort();
case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT: return LowerFP_TO_INT(Op, DAG);
case ISD::FCOPYSIGN: return LowerFCOPYSIGN(Op, DAG);
- case ISD::BIT_CONVERT: return LowerBIT_CONVERT(Op, DAG);
- case ISD::SRL:
- case ISD::SRA: return LowerSRx(Op, DAG, Subtarget);
- case ISD::FORMAL_ARGUMENTS:
- return LowerFORMAL_ARGUMENTS(Op, DAG);
+ case ISD::FORMAL_ARGUMENTS: return LowerFORMAL_ARGUMENTS(Op, DAG);
case ISD::RETURNADDR: break;
case ISD::FRAMEADDR: break;
case ISD::GLOBAL_OFFSET_TABLE: return LowerGLOBAL_OFFSET_TABLE(Op, DAG);
- case ISD::MEMCPY: return LowerMEMCPY(Op, DAG);
+ case ISD::INTRINSIC_WO_CHAIN: return LowerINTRINSIC_WO_CHAIN(Op, DAG);
+ case ISD::BIT_CONVERT: return ExpandBIT_CONVERT(Op.getNode(), DAG);
+ case ISD::SRL:
+ case ISD::SRA: return ExpandSRx(Op.getNode(), DAG,Subtarget);
+ }
+ return SDValue();
+}
+
+
+/// ReplaceNodeResults - Replace the results of node with an illegal result
+/// type with new values built out of custom code.
+///
+void ARMTargetLowering::ReplaceNodeResults(SDNode *N,
+ SmallVectorImpl<SDValue>&Results,
+ SelectionDAG &DAG) {
+ switch (N->getOpcode()) {
+ default:
+ assert(0 && "Don't know how to custom expand this!");
+ return;
+ case ISD::BIT_CONVERT:
+ Results.push_back(ExpandBIT_CONVERT(N, DAG));
+ return;
+ case ISD::SRL:
+ case ISD::SRA: {
+ SDValue Res = ExpandSRx(N, DAG, Subtarget);
+ if (Res.getNode())
+ Results.push_back(Res);
+ return;
+ }
}
- return SDOperand();
}
+
//===----------------------------------------------------------------------===//
// ARM Scheduler Hooks
//===----------------------------------------------------------------------===//
MachineBasicBlock *
-ARMTargetLowering::InsertAtEndOfBasicBlock(MachineInstr *MI,
- MachineBasicBlock *BB) {
+ARMTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ DebugLoc dl = MI->getDebugLoc();
switch (MI->getOpcode()) {
default: assert(false && "Unexpected instr type to insert");
case ARM::tMOVCCr: {
// destination vreg to set, the condition code register to branch on, the
// true/false values to select between, and a branch opcode to use.
const BasicBlock *LLVM_BB = BB->getBasicBlock();
- ilist<MachineBasicBlock>::iterator It = BB;
+ MachineFunction::iterator It = BB;
++It;
// thisMBB:
// bCC copy1MBB
// fallthrough --> copy0MBB
MachineBasicBlock *thisMBB = BB;
- MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB);
- MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
- BuildMI(BB, TII->get(ARM::tBcc)).addMBB(sinkMBB)
- .addImm(MI->getOperand(3).getImm()).addReg(MI->getOperand(4).getReg());
MachineFunction *F = BB->getParent();
- F->getBasicBlockList().insert(It, copy0MBB);
- F->getBasicBlockList().insert(It, sinkMBB);
+ MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB);
+ MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
+ BuildMI(BB, dl, TII->get(ARM::tBcc)).addMBB(sinkMBB)
+ .addImm(MI->getOperand(3).getImm()).addReg(MI->getOperand(4).getReg());
+ F->insert(It, copy0MBB);
+ F->insert(It, sinkMBB);
// Update machine-CFG edges by first adding all successors of the current
// block to the new block which will contain the Phi node for the select.
for(MachineBasicBlock::succ_iterator i = BB->succ_begin(),
// %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
// ...
BB = sinkMBB;
- BuildMI(BB, TII->get(ARM::PHI), MI->getOperand(0).getReg())
+ BuildMI(BB, dl, TII->get(ARM::PHI), MI->getOperand(0).getReg())
.addReg(MI->getOperand(1).getReg()).addMBB(copy0MBB)
.addReg(MI->getOperand(2).getReg()).addMBB(thisMBB);
- delete MI; // The pseudo instruction is gone now.
+ F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
return BB;
}
}
// ARM Optimization Hooks
//===----------------------------------------------------------------------===//
+/// PerformFMRRDCombine - Target-specific dag combine xforms for ARMISD::FMRRD.
+static SDValue PerformFMRRDCombine(SDNode *N,
+ TargetLowering::DAGCombinerInfo &DCI) {
+ // fmrrd(fmdrr x, y) -> x,y
+ SDValue InDouble = N->getOperand(0);
+ if (InDouble.getOpcode() == ARMISD::FMDRR)
+ return DCI.CombineTo(N, InDouble.getOperand(0), InDouble.getOperand(1));
+ return SDValue();
+}
+
+SDValue ARMTargetLowering::PerformDAGCombine(SDNode *N,
+ DAGCombinerInfo &DCI) const {
+ switch (N->getOpcode()) {
+ default: break;
+ case ARMISD::FMRRD: return PerformFMRRDCombine(N, DCI);
+ }
+
+ return SDValue();
+}
+
+
/// isLegalAddressImmediate - Return true if the integer value can be used
/// as the offset of the target addressing mode for load / store of the
/// given type.
-static bool isLegalAddressImmediate(int64_t V, MVT::ValueType VT,
+static bool isLegalAddressImmediate(int64_t V, MVT VT,
const ARMSubtarget *Subtarget) {
if (V == 0)
return true;
return false;
unsigned Scale = 1;
- switch (VT) {
+ switch (VT.getSimpleVT()) {
default: return false;
case MVT::i1:
case MVT::i8:
if ((V & (Scale - 1)) != 0)
return false;
V /= Scale;
- return V == V & ((1LL << 5) - 1);
+ return V == (V & ((1LL << 5) - 1));
}
if (V < 0)
V = - V;
- switch (VT) {
+ switch (VT.getSimpleVT()) {
default: return false;
case MVT::i1:
case MVT::i8:
case MVT::i32:
// +- imm12
- return V == V & ((1LL << 12) - 1);
+ return V == (V & ((1LL << 12) - 1));
case MVT::i16:
// +- imm8
- return V == V & ((1LL << 8) - 1);
+ return V == (V & ((1LL << 8) - 1));
case MVT::f32:
case MVT::f64:
if (!Subtarget->hasVFP2())
if ((V & 3) != 0)
return false;
V >>= 2;
- return V == V & ((1LL << 8) - 1);
+ return V == (V & ((1LL << 8) - 1));
}
}
/// by AM is legal for this target, for a load/store of the specified type.
bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
const Type *Ty) const {
- if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty), Subtarget))
+ if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty, true), Subtarget))
return false;
// Can never fold addr of global into load/store.
return false;
int Scale = AM.Scale;
- switch (getValueType(Ty)) {
+ switch (getValueType(Ty).getSimpleVT()) {
default: return false;
case MVT::i1:
case MVT::i8:
}
-static bool getIndexedAddressParts(SDNode *Ptr, MVT::ValueType VT,
- bool isSEXTLoad, SDOperand &Base,
- SDOperand &Offset, bool &isInc,
+static bool getIndexedAddressParts(SDNode *Ptr, MVT VT,
+ bool isSEXTLoad, SDValue &Base,
+ SDValue &Offset, bool &isInc,
SelectionDAG &DAG) {
if (Ptr->getOpcode() != ISD::ADD && Ptr->getOpcode() != ISD::SUB)
return false;
// AddressingMode 3
Base = Ptr->getOperand(0);
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(Ptr->getOperand(1))) {
- int RHSC = (int)RHS->getValue();
+ int RHSC = (int)RHS->getZExtValue();
if (RHSC < 0 && RHSC > -256) {
isInc = false;
Offset = DAG.getConstant(-RHSC, RHS->getValueType(0));
} else if (VT == MVT::i32 || VT == MVT::i8 || VT == MVT::i1) {
// AddressingMode 2
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(Ptr->getOperand(1))) {
- int RHSC = (int)RHS->getValue();
+ int RHSC = (int)RHS->getZExtValue();
if (RHSC < 0 && RHSC > -0x1000) {
isInc = false;
Offset = DAG.getConstant(-RHSC, RHS->getValueType(0));
/// offset pointer and addressing mode by reference if the node's address
/// can be legally represented as pre-indexed load / store address.
bool
-ARMTargetLowering::getPreIndexedAddressParts(SDNode *N, SDOperand &Base,
- SDOperand &Offset,
+ARMTargetLowering::getPreIndexedAddressParts(SDNode *N, SDValue &Base,
+ SDValue &Offset,
ISD::MemIndexedMode &AM,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
if (Subtarget->isThumb())
return false;
- MVT::ValueType VT;
- SDOperand Ptr;
+ MVT VT;
+ SDValue Ptr;
bool isSEXTLoad = false;
if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
Ptr = LD->getBasePtr();
- VT = LD->getLoadedVT();
+ VT = LD->getMemoryVT();
isSEXTLoad = LD->getExtensionType() == ISD::SEXTLOAD;
} else if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) {
Ptr = ST->getBasePtr();
- VT = ST->getStoredVT();
+ VT = ST->getMemoryVT();
} else
return false;
bool isInc;
- bool isLegal = getIndexedAddressParts(Ptr.Val, VT, isSEXTLoad, Base, Offset,
+ bool isLegal = getIndexedAddressParts(Ptr.getNode(), VT, isSEXTLoad, Base, Offset,
isInc, DAG);
if (isLegal) {
AM = isInc ? ISD::PRE_INC : ISD::PRE_DEC;
/// offset pointer and addressing mode by reference if this node can be
/// combined with a load / store to form a post-indexed load / store.
bool ARMTargetLowering::getPostIndexedAddressParts(SDNode *N, SDNode *Op,
- SDOperand &Base,
- SDOperand &Offset,
+ SDValue &Base,
+ SDValue &Offset,
ISD::MemIndexedMode &AM,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
if (Subtarget->isThumb())
return false;
- MVT::ValueType VT;
- SDOperand Ptr;
+ MVT VT;
+ SDValue Ptr;
bool isSEXTLoad = false;
if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
- VT = LD->getLoadedVT();
+ VT = LD->getMemoryVT();
isSEXTLoad = LD->getExtensionType() == ISD::SEXTLOAD;
} else if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) {
- VT = ST->getStoredVT();
+ VT = ST->getMemoryVT();
} else
return false;
return false;
}
-void ARMTargetLowering::computeMaskedBitsForTargetNode(const SDOperand Op,
- uint64_t Mask,
- uint64_t &KnownZero,
- uint64_t &KnownOne,
+void ARMTargetLowering::computeMaskedBitsForTargetNode(const SDValue Op,
+ const APInt &Mask,
+ APInt &KnownZero,
+ APInt &KnownOne,
const SelectionDAG &DAG,
unsigned Depth) const {
- KnownZero = 0;
- KnownOne = 0;
+ KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0);
switch (Op.getOpcode()) {
default: break;
case ARMISD::CMOV: {
DAG.ComputeMaskedBits(Op.getOperand(0), Mask, KnownZero, KnownOne, Depth+1);
if (KnownZero == 0 && KnownOne == 0) return;
- uint64_t KnownZeroRHS, KnownOneRHS;
+ APInt KnownZeroRHS, KnownOneRHS;
DAG.ComputeMaskedBits(Op.getOperand(1), Mask,
KnownZeroRHS, KnownOneRHS, Depth+1);
KnownZero &= KnownZeroRHS;
std::pair<unsigned, const TargetRegisterClass*>
ARMTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint,
- MVT::ValueType VT) const {
+ MVT VT) const {
if (Constraint.size() == 1) {
// GCC RS6000 Constraint Letters
switch (Constraint[0]) {
std::vector<unsigned> ARMTargetLowering::
getRegClassForInlineAsmConstraint(const std::string &Constraint,
- MVT::ValueType VT) const {
+ MVT VT) const {
if (Constraint.size() != 1)
return std::vector<unsigned>();
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