#include "llvm/DerivedTypes.h"
using namespace llvm;
-static bool CC_PPC_SVR4_Custom_Dummy(unsigned &ValNo, MVT &ValVT, MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_Dummy(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State);
-static bool CC_PPC_SVR4_Custom_AlignArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_AlignArgRegs(unsigned &ValNo, EVT &ValVT,
+ EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State);
-static bool CC_PPC_SVR4_Custom_AlignFPArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_AlignFPArgRegs(unsigned &ValNo, EVT &ValVT,
+ EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State);
static TargetLoweringObjectFile *CreateTLOF(const PPCTargetMachine &TM) {
if (TM.getSubtargetImpl()->isDarwin())
return new TargetLoweringObjectFileMachO();
- return new TargetLoweringObjectFileELF(false, true);
+ return new TargetLoweringObjectFileELF();
}
// We cannot sextinreg(i1). Expand to shifts.
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
- // Support label based line numbers.
- setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
- setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
-
setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand);
setOperationAction(ISD::EHSELECTION, MVT::i64, Expand);
setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
// appropriate instructions to materialize the address.
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
+ setOperationAction(ISD::BlockAddress, MVT::i32, Custom);
setOperationAction(ISD::ConstantPool, MVT::i32, Custom);
setOperationAction(ISD::JumpTable, MVT::i32, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i64, Custom);
+ setOperationAction(ISD::BlockAddress, MVT::i64, Custom);
setOperationAction(ISD::ConstantPool, MVT::i64, Custom);
setOperationAction(ISD::JumpTable, MVT::i64, Custom);
- // RET must be custom lowered, to meet ABI requirements.
- setOperationAction(ISD::RET , MVT::Other, Custom);
-
// TRAP is legal.
setOperationAction(ISD::TRAP, MVT::Other, Legal);
// VASTART needs to be custom lowered to use the VarArgsFrameIndex
setOperationAction(ISD::VASTART , MVT::Other, Custom);
- // VAARG is custom lowered with the SVR4 ABI
- if (TM.getSubtarget<PPCSubtarget>().isSVR4ABI())
+ // VAARG is custom lowered with the 32-bit SVR4 ABI.
+ if ( TM.getSubtarget<PPCSubtarget>().isSVR4ABI()
+ && !TM.getSubtarget<PPCSubtarget>().isPPC64())
setOperationAction(ISD::VAARG, MVT::Other, Custom);
else
setOperationAction(ISD::VAARG, MVT::Other, Expand);
// will selectively turn on ones that can be effectively codegen'd.
for (unsigned i = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
i <= (unsigned)MVT::LAST_VECTOR_VALUETYPE; ++i) {
- MVT VT = (MVT::SimpleValueType)i;
+ MVT::SimpleValueType VT = (MVT::SimpleValueType)i;
// add/sub are legal for all supported vector VT's.
setOperationAction(ISD::ADD , VT, Legal);
case PPCISD::VPERM: return "PPCISD::VPERM";
case PPCISD::Hi: return "PPCISD::Hi";
case PPCISD::Lo: return "PPCISD::Lo";
+ case PPCISD::TOC_ENTRY: return "PPCISD::TOC_ENTRY";
+ case PPCISD::TOC_RESTORE: return "PPCISD::TOC_RESTORE";
+ case PPCISD::LOAD: return "PPCISD::LOAD";
+ case PPCISD::LOAD_TOC: return "PPCISD::LOAD_TOC";
case PPCISD::DYNALLOC: return "PPCISD::DYNALLOC";
case PPCISD::GlobalBaseReg: return "PPCISD::GlobalBaseReg";
case PPCISD::SRL: return "PPCISD::SRL";
case PPCISD::STD_32: return "PPCISD::STD_32";
case PPCISD::CALL_SVR4: return "PPCISD::CALL_SVR4";
case PPCISD::CALL_Darwin: return "PPCISD::CALL_Darwin";
+ case PPCISD::NOP: return "PPCISD::NOP";
case PPCISD::MTCTR: return "PPCISD::MTCTR";
case PPCISD::BCTRL_Darwin: return "PPCISD::BCTRL_Darwin";
case PPCISD::BCTRL_SVR4: return "PPCISD::BCTRL_SVR4";
case PPCISD::MTFSB1: return "PPCISD::MTFSB1";
case PPCISD::FADDRTZ: return "PPCISD::FADDRTZ";
case PPCISD::MTFSF: return "PPCISD::MTFSF";
- case PPCISD::TAILCALL: return "PPCISD::TAILCALL";
case PPCISD::TC_RETURN: return "PPCISD::TC_RETURN";
}
}
-MVT PPCTargetLowering::getSetCCResultType(MVT VT) const {
+MVT::SimpleValueType PPCTargetLowering::getSetCCResultType(EVT VT) const {
return MVT::i32;
}
unsigned BitSize;
bool HasAnyUndefs;
- if (BV->isConstantSplat(APVal, APUndef, BitSize, HasAnyUndefs, 32))
+ if (BV->isConstantSplat(APVal, APUndef, BitSize, HasAnyUndefs, 32, true))
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N->getOperand(0)))
return CFP->getValueAPF().isNegZero();
Base = DAG.getTargetConstant((Addr - (signed short)Addr) >> 16, MVT::i32);
unsigned Opc = CN->getValueType(0) == MVT::i32 ? PPC::LIS : PPC::LIS8;
- Base = SDValue(DAG.getTargetNode(Opc, dl, CN->getValueType(0), Base), 0);
+ Base = SDValue(DAG.getMachineNode(Opc, dl, CN->getValueType(0), Base), 0);
return true;
}
}
Disp = DAG.getTargetConstant((short)Addr >> 2, MVT::i32);
Base = DAG.getTargetConstant((Addr-(signed short)Addr) >> 16, MVT::i32);
unsigned Opc = CN->getValueType(0) == MVT::i32 ? PPC::LIS : PPC::LIS8;
- Base = SDValue(DAG.getTargetNode(Opc, dl, CN->getValueType(0), Base),0);
+ Base = SDValue(DAG.getMachineNode(Opc, dl, CN->getValueType(0), Base),0);
return true;
}
}
if (!EnablePPCPreinc) return false;
SDValue Ptr;
- MVT VT;
+ EVT VT;
if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
Ptr = LD->getBasePtr();
VT = LD->getMemoryVT();
SDValue PPCTargetLowering::LowerConstantPool(SDValue Op,
SelectionDAG &DAG) {
- MVT PtrVT = Op.getValueType();
+ EVT PtrVT = Op.getValueType();
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
Constant *C = CP->getConstVal();
SDValue CPI = DAG.getTargetConstantPool(C, PtrVT, CP->getAlignment());
}
SDValue PPCTargetLowering::LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
- MVT PtrVT = Op.getValueType();
+ EVT PtrVT = Op.getValueType();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
SDValue Zero = DAG.getConstant(0, PtrVT);
return SDValue(); // Not reached
}
+SDValue PPCTargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) {
+ EVT PtrVT = Op.getValueType();
+ DebugLoc DL = Op.getDebugLoc();
+
+ BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
+ SDValue TgtBA = DAG.getBlockAddress(BA, PtrVT, /*isTarget=*/true);
+ SDValue Zero = DAG.getConstant(0, PtrVT);
+ SDValue Hi = DAG.getNode(PPCISD::Hi, DL, PtrVT, TgtBA, Zero);
+ SDValue Lo = DAG.getNode(PPCISD::Lo, DL, PtrVT, TgtBA, Zero);
+
+ // If this is a non-darwin platform, we don't support non-static relo models
+ // yet.
+ const TargetMachine &TM = DAG.getTarget();
+ if (TM.getRelocationModel() == Reloc::Static ||
+ !TM.getSubtarget<PPCSubtarget>().isDarwin()) {
+ // Generate non-pic code that has direct accesses to globals.
+ // The address of the global is just (hi(&g)+lo(&g)).
+ return DAG.getNode(ISD::ADD, DL, PtrVT, Hi, Lo);
+ }
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ // With PIC, the first instruction is actually "GR+hi(&G)".
+ Hi = DAG.getNode(ISD::ADD, DL, PtrVT,
+ DAG.getNode(PPCISD::GlobalBaseReg,
+ DebugLoc::getUnknownLoc(), PtrVT), Hi);
+ }
+
+ return DAG.getNode(ISD::ADD, DL, PtrVT, Hi, Lo);
+}
+
SDValue PPCTargetLowering::LowerGlobalAddress(SDValue Op,
SelectionDAG &DAG) {
- MVT PtrVT = Op.getValueType();
+ EVT PtrVT = Op.getValueType();
GlobalAddressSDNode *GSDN = cast<GlobalAddressSDNode>(Op);
GlobalValue *GV = GSDN->getGlobal();
SDValue GA = DAG.getTargetGlobalAddress(GV, PtrVT, GSDN->getOffset());
const TargetMachine &TM = DAG.getTarget();
+ // 64-bit SVR4 ABI code is always position-independent.
+ // The actual address of the GlobalValue is stored in the TOC.
+ if (PPCSubTarget.isSVR4ABI() && PPCSubTarget.isPPC64()) {
+ return DAG.getNode(PPCISD::TOC_ENTRY, dl, MVT::i64, GA,
+ DAG.getRegister(PPC::X2, MVT::i64));
+ }
+
SDValue Hi = DAG.getNode(PPCISD::Hi, dl, PtrVT, GA, Zero);
SDValue Lo = DAG.getNode(PPCISD::Lo, dl, PtrVT, GA, Zero);
Lo = DAG.getNode(ISD::ADD, dl, PtrVT, Hi, Lo);
- if (!TM.getSubtarget<PPCSubtarget>().hasLazyResolverStub(GV))
+ if (!TM.getSubtarget<PPCSubtarget>().hasLazyResolverStub(GV, TM))
return Lo;
// If the global is weak or external, we have to go through the lazy
// fold the new nodes.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
if (C->isNullValue() && CC == ISD::SETEQ) {
- MVT VT = Op.getOperand(0).getValueType();
+ EVT VT = Op.getOperand(0).getValueType();
SDValue Zext = Op.getOperand(0);
if (VT.bitsLT(MVT::i32)) {
VT = MVT::i32;
// condition register, reading it back out, and masking the correct bit. The
// normal approach here uses sub to do this instead of xor. Using xor exposes
// the result to other bit-twiddling opportunities.
- MVT LHSVT = Op.getOperand(0).getValueType();
+ EVT LHSVT = Op.getOperand(0).getValueType();
if (LHSVT.isInteger() && (CC == ISD::SETEQ || CC == ISD::SETNE)) {
- MVT VT = Op.getValueType();
+ EVT VT = Op.getValueType();
SDValue Sub = DAG.getNode(ISD::XOR, dl, LHSVT, Op.getOperand(0),
Op.getOperand(1));
return DAG.getSetCC(dl, VT, Sub, DAG.getConstant(0, LHSVT), CC);
SDValue Nest = Op.getOperand(3); // 'nest' parameter value
DebugLoc dl = Op.getDebugLoc();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = (PtrVT == MVT::i64);
const Type *IntPtrTy =
- DAG.getTargetLoweringInfo().getTargetData()->getIntPtrType();
+ DAG.getTargetLoweringInfo().getTargetData()->getIntPtrType(
+ *DAG.getContext());
TargetLowering::ArgListTy Args;
TargetLowering::ArgListEntry Entry;
// Lower to a call to __trampoline_setup(Trmp, TrampSize, FPtr, ctx_reg)
std::pair<SDValue, SDValue> CallResult =
- LowerCallTo(Chain, Op.getValueType().getTypeForMVT(),
+ LowerCallTo(Chain, Op.getValueType().getTypeForEVT(*DAG.getContext()),
false, false, false, false, 0, CallingConv::C, false,
+ /*isReturnValueUsed=*/true,
DAG.getExternalSymbol("__trampoline_setup", PtrVT),
- Args, DAG, dl);
+ Args, DAG, dl, DAG.GetOrdering(Chain.getNode()));
SDValue Ops[] =
{ CallResult.first, CallResult.second };
const PPCSubtarget &Subtarget) {
DebugLoc dl = Op.getDebugLoc();
- if (Subtarget.isDarwinABI()) {
+ if (Subtarget.isDarwinABI() || Subtarget.isPPC64()) {
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT 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);
}
- // For the SVR4 ABI we follow the layout of the va_list struct.
+ // For the 32-bit SVR4 ABI we follow the layout of the va_list struct.
// We suppose the given va_list is already allocated.
//
// typedef struct {
SDValue ArgFPR = DAG.getConstant(VarArgsNumFPR, MVT::i32);
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
SDValue StackOffsetFI = DAG.getFrameIndex(VarArgsStackOffset, PtrVT);
SDValue FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
#include "PPCGenCallingConv.inc"
-static bool CC_PPC_SVR4_Custom_Dummy(unsigned &ValNo, MVT &ValVT, MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_Dummy(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State) {
return true;
}
-static bool CC_PPC_SVR4_Custom_AlignArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_AlignArgRegs(unsigned &ValNo, EVT &ValVT,
+ EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State) {
return false;
}
-static bool CC_PPC_SVR4_Custom_AlignFPArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
+static bool CC_PPC_SVR4_Custom_AlignFPArgRegs(unsigned &ValNo, EVT &ValVT,
+ EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
CCState &State) {
}
/// GetFPR - Get the set of FP registers that should be allocated for arguments,
-/// depending on which subtarget is selected.
-static const unsigned *GetFPR(const PPCSubtarget &Subtarget) {
- if (Subtarget.isDarwinABI()) {
- static const unsigned FPR[] = {
- PPC::F1, PPC::F2, PPC::F3, PPC::F4, PPC::F5, PPC::F6, PPC::F7,
- PPC::F8, PPC::F9, PPC::F10, PPC::F11, PPC::F12, PPC::F13
- };
- return FPR;
- }
-
-
+/// on Darwin.
+static const unsigned *GetFPR() {
static const unsigned FPR[] = {
PPC::F1, PPC::F2, PPC::F3, PPC::F4, PPC::F5, PPC::F6, PPC::F7,
- PPC::F8
+ PPC::F8, PPC::F9, PPC::F10, PPC::F11, PPC::F12, PPC::F13
};
+
return FPR;
}
/// CalculateStackSlotSize - Calculates the size reserved for this argument on
/// the stack.
-static unsigned CalculateStackSlotSize(SDValue Arg, ISD::ArgFlagsTy Flags,
+static unsigned CalculateStackSlotSize(EVT ArgVT, ISD::ArgFlagsTy Flags,
unsigned PtrByteSize) {
- MVT ArgVT = Arg.getValueType();
unsigned ArgSize = ArgVT.getSizeInBits()/8;
if (Flags.isByVal())
ArgSize = Flags.getByValSize();
}
SDValue
-PPCTargetLowering::LowerFORMAL_ARGUMENTS_SVR4(SDValue Op,
- SelectionDAG &DAG,
- int &VarArgsFrameIndex,
- int &VarArgsStackOffset,
- unsigned &VarArgsNumGPR,
- unsigned &VarArgsNumFPR,
- const PPCSubtarget &Subtarget) {
- // SVR4 ABI Stack Frame Layout:
+PPCTargetLowering::LowerFormalArguments(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg>
+ &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+ if (PPCSubTarget.isSVR4ABI() && !PPCSubTarget.isPPC64()) {
+ return LowerFormalArguments_SVR4(Chain, CallConv, isVarArg, Ins,
+ dl, DAG, InVals);
+ } else {
+ return LowerFormalArguments_Darwin(Chain, CallConv, isVarArg, Ins,
+ dl, DAG, InVals);
+ }
+}
+
+SDValue
+PPCTargetLowering::LowerFormalArguments_SVR4(
+ SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg>
+ &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+
+ // 32-bit SVR4 ABI Stack Frame Layout:
// +-----------------------------------+
// +--> | Back chain |
// | +-----------------------------------+
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- SmallVector<SDValue, 8> ArgValues;
- SDValue Root = Op.getOperand(0);
- bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getZExtValue() != 0;
- DebugLoc dl = Op.getDebugLoc();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Potential tail calls could cause overwriting of argument stack slots.
- unsigned CC = MF.getFunction()->getCallingConv();
- bool isImmutable = !(PerformTailCallOpt && (CC==CallingConv::Fast));
+ bool isImmutable = !(PerformTailCallOpt && (CallConv==CallingConv::Fast));
unsigned PtrByteSize = 4;
// Assign locations to all of the incoming arguments.
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs, *DAG.getContext());
+ CCState CCInfo(CallConv, isVarArg, getTargetMachine(), ArgLocs,
+ *DAG.getContext());
// Reserve space for the linkage area on the stack.
CCInfo.AllocateStack(PPCFrameInfo::getLinkageSize(false, false), PtrByteSize);
- CCInfo.AnalyzeFormalArguments(Op.getNode(), CC_PPC_SVR4);
+ CCInfo.AnalyzeFormalArguments(Ins, CC_PPC_SVR4);
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
// Arguments stored in registers.
if (VA.isRegLoc()) {
TargetRegisterClass *RC;
- MVT ValVT = VA.getValVT();
+ EVT ValVT = VA.getValVT();
- switch (ValVT.getSimpleVT()) {
+ switch (ValVT.getSimpleVT().SimpleTy) {
default:
- llvm_unreachable("ValVT not supported by FORMAL_ARGUMENTS Lowering");
+ llvm_unreachable("ValVT not supported by formal arguments Lowering");
case MVT::i32:
RC = PPC::GPRCRegisterClass;
break;
// Transform the arguments stored in physical registers into virtual ones.
unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
- SDValue ArgValue = DAG.getCopyFromReg(Root, dl, Reg, ValVT);
+ SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, Reg, ValVT);
- ArgValues.push_back(ArgValue);
+ InVals.push_back(ArgValue);
} else {
// Argument stored in memory.
assert(VA.isMemLoc());
unsigned ArgSize = VA.getLocVT().getSizeInBits() / 8;
int FI = MFI->CreateFixedObject(ArgSize, VA.getLocMemOffset(),
- isImmutable);
+ isImmutable, false);
// Create load nodes to retrieve arguments from the stack.
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
- ArgValues.push_back(DAG.getLoad(VA.getValVT(), dl, Root, FIN, NULL, 0));
+ InVals.push_back(DAG.getLoad(VA.getValVT(), dl, Chain, FIN, NULL, 0));
}
}
// Aggregates passed by value are stored in the local variable space of the
// caller's stack frame, right above the parameter list area.
SmallVector<CCValAssign, 16> ByValArgLocs;
- CCState CCByValInfo(CC, isVarArg, getTargetMachine(),
+ CCState CCByValInfo(CallConv, isVarArg, getTargetMachine(),
ByValArgLocs, *DAG.getContext());
// Reserve stack space for the allocations in CCInfo.
CCByValInfo.AllocateStack(CCInfo.getNextStackOffset(), PtrByteSize);
- CCByValInfo.AnalyzeFormalArguments(Op.getNode(), CC_PPC_SVR4_ByVal);
+ CCByValInfo.AnalyzeFormalArguments(Ins, CC_PPC_SVR4_ByVal);
// Area that is at least reserved in the caller of this function.
unsigned MinReservedArea = CCByValInfo.getNextStackOffset();
// Make room for NumGPArgRegs and NumFPArgRegs.
int Depth = NumGPArgRegs * PtrVT.getSizeInBits()/8 +
- NumFPArgRegs * MVT(MVT::f64).getSizeInBits()/8;
+ NumFPArgRegs * EVT(MVT::f64).getSizeInBits()/8;
VarArgsStackOffset = MFI->CreateFixedObject(PtrVT.getSizeInBits()/8,
- CCInfo.getNextStackOffset());
+ CCInfo.getNextStackOffset(),
+ true, false);
- VarArgsFrameIndex = MFI->CreateStackObject(Depth, 8);
+ VarArgsFrameIndex = MFI->CreateStackObject(Depth, 8, false);
SDValue FIN = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
// The fixed integer arguments of a variadic function are
unsigned GPRIndex = 0;
for (; GPRIndex != VarArgsNumGPR; ++GPRIndex) {
SDValue Val = DAG.getRegister(GPArgRegs[GPRIndex], PtrVT);
- SDValue Store = DAG.getStore(Root, dl, Val, FIN, NULL, 0);
+ SDValue Store = DAG.getStore(Chain, dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
// Increment the address by four for the next argument to store
SDValue PtrOff = DAG.getConstant(PtrVT.getSizeInBits()/8, PtrVT);
for (; GPRIndex != NumGPArgRegs; ++GPRIndex) {
unsigned VReg = MF.addLiveIn(GPArgRegs[GPRIndex], &PPC::GPRCRegClass);
- SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, PtrVT);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
// Increment the address by four for the next argument to store
FIN = DAG.getNode(ISD::ADD, dl, PtrOff.getValueType(), FIN, PtrOff);
}
- // FIXME SVR4: We only need to save FP argument registers if CR bit 6 is
- // set.
+ // FIXME 32-bit SVR4: We only need to save FP argument registers if CR bit 6
+ // is set.
// The double arguments are stored to the VarArgsFrameIndex
// on the stack.
unsigned FPRIndex = 0;
for (FPRIndex = 0; FPRIndex != VarArgsNumFPR; ++FPRIndex) {
SDValue Val = DAG.getRegister(FPArgRegs[FPRIndex], MVT::f64);
- SDValue Store = DAG.getStore(Root, dl, Val, FIN, NULL, 0);
+ SDValue Store = DAG.getStore(Chain, dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
// Increment the address by eight for the next argument to store
- SDValue PtrOff = DAG.getConstant(MVT(MVT::f64).getSizeInBits()/8,
+ SDValue PtrOff = DAG.getConstant(EVT(MVT::f64).getSizeInBits()/8,
PtrVT);
FIN = DAG.getNode(ISD::ADD, dl, PtrOff.getValueType(), FIN, PtrOff);
}
for (; FPRIndex != NumFPArgRegs; ++FPRIndex) {
unsigned VReg = MF.addLiveIn(FPArgRegs[FPRIndex], &PPC::F8RCRegClass);
- SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, MVT::f64);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::f64);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
// Increment the address by eight for the next argument to store
- SDValue PtrOff = DAG.getConstant(MVT(MVT::f64).getSizeInBits()/8,
+ SDValue PtrOff = DAG.getConstant(EVT(MVT::f64).getSizeInBits()/8,
PtrVT);
FIN = DAG.getNode(ISD::ADD, dl, PtrOff.getValueType(), FIN, PtrOff);
}
}
if (!MemOps.empty())
- Root = DAG.getNode(ISD::TokenFactor, dl,
- MVT::Other, &MemOps[0], MemOps.size());
-
-
- ArgValues.push_back(Root);
+ Chain = DAG.getNode(ISD::TokenFactor, dl,
+ MVT::Other, &MemOps[0], MemOps.size());
- // Return the new list of results.
- return DAG.getNode(ISD::MERGE_VALUES, dl, Op.getNode()->getVTList(),
- &ArgValues[0], ArgValues.size()).getValue(Op.getResNo());
+ return Chain;
}
SDValue
-PPCTargetLowering::LowerFORMAL_ARGUMENTS_Darwin(SDValue Op,
- SelectionDAG &DAG,
- int &VarArgsFrameIndex,
- const PPCSubtarget &Subtarget) {
+PPCTargetLowering::LowerFormalArguments_Darwin(
+ SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg>
+ &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
// TODO: add description of PPC stack frame format, or at least some docs.
//
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- SmallVector<SDValue, 8> ArgValues;
- SDValue Root = Op.getOperand(0);
- bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getZExtValue() != 0;
- DebugLoc dl = Op.getDebugLoc();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = PtrVT == MVT::i64;
// Potential tail calls could cause overwriting of argument stack slots.
- unsigned CC = MF.getFunction()->getCallingConv();
- bool isImmutable = !(PerformTailCallOpt && (CC==CallingConv::Fast));
+ bool isImmutable = !(PerformTailCallOpt && (CallConv==CallingConv::Fast));
unsigned PtrByteSize = isPPC64 ? 8 : 4;
unsigned ArgOffset = PPCFrameInfo::getLinkageSize(isPPC64, true);
PPC::X7, PPC::X8, PPC::X9, PPC::X10,
};
- static const unsigned *FPR = GetFPR(Subtarget);
+ static const unsigned *FPR = GetFPR();
static const unsigned VR[] = {
PPC::V2, PPC::V3, PPC::V4, PPC::V5, PPC::V6, PPC::V7, PPC::V8,
// entire point of the following loop.
unsigned VecArgOffset = ArgOffset;
if (!isVarArg && !isPPC64) {
- for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues()-1; ArgNo != e;
+ for (unsigned ArgNo = 0, e = Ins.size(); ArgNo != e;
++ArgNo) {
- MVT ObjectVT = Op.getValue(ArgNo).getValueType();
+ EVT ObjectVT = Ins[ArgNo].VT;
unsigned ObjSize = ObjectVT.getSizeInBits()/8;
- ISD::ArgFlagsTy Flags =
- cast<ARG_FLAGSSDNode>(Op.getOperand(ArgNo+3))->getArgFlags();
+ ISD::ArgFlagsTy Flags = Ins[ArgNo].Flags;
if (Flags.isByVal()) {
// ObjSize is the true size, ArgSize rounded up to multiple of regs.
continue;
}
- switch(ObjectVT.getSimpleVT()) {
+ switch(ObjectVT.getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unhandled argument type!");
case MVT::i32:
case MVT::f32:
SmallVector<SDValue, 8> MemOps;
unsigned nAltivecParamsAtEnd = 0;
- for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues() - 1;
- ArgNo != e; ++ArgNo) {
+ for (unsigned ArgNo = 0, e = Ins.size(); ArgNo != e; ++ArgNo) {
SDValue ArgVal;
bool needsLoad = false;
- MVT ObjectVT = Op.getValue(ArgNo).getValueType();
+ EVT ObjectVT = Ins[ArgNo].VT;
unsigned ObjSize = ObjectVT.getSizeInBits()/8;
unsigned ArgSize = ObjSize;
- ISD::ArgFlagsTy Flags =
- cast<ARG_FLAGSSDNode>(Op.getOperand(ArgNo+3))->getArgFlags();
+ ISD::ArgFlagsTy Flags = Ins[ArgNo].Flags;
unsigned CurArgOffset = ArgOffset;
ObjectVT==MVT::v8i16 || ObjectVT==MVT::v16i8) {
if (isVarArg || isPPC64) {
MinReservedArea = ((MinReservedArea+15)/16)*16;
- MinReservedArea += CalculateStackSlotSize(Op.getValue(ArgNo),
+ MinReservedArea += CalculateStackSlotSize(ObjectVT,
Flags,
PtrByteSize);
} else nAltivecParamsAtEnd++;
} else
// Calculate min reserved area.
- MinReservedArea += CalculateStackSlotSize(Op.getValue(ArgNo),
+ MinReservedArea += CalculateStackSlotSize(Ins[ArgNo].VT,
Flags,
PtrByteSize);
CurArgOffset = CurArgOffset + (4 - ObjSize);
}
// The value of the object is its address.
- int FI = MFI->CreateFixedObject(ObjSize, CurArgOffset);
+ int FI = MFI->CreateFixedObject(ObjSize, CurArgOffset, true, false);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
- ArgValues.push_back(FIN);
+ InVals.push_back(FIN);
if (ObjSize==1 || ObjSize==2) {
if (GPR_idx != Num_GPR_Regs) {
unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
- SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, PtrVT);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
NULL, 0, ObjSize==1 ? MVT::i8 : MVT::i16 );
MemOps.push_back(Store);
// the object.
if (GPR_idx != Num_GPR_Regs) {
unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
- int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset);
+ int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset, true, false);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
- SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, PtrVT);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
++GPR_idx;
continue;
}
- switch (ObjectVT.getSimpleVT()) {
+ switch (ObjectVT.getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unhandled argument type!");
case MVT::i32:
if (!isPPC64) {
if (GPR_idx != Num_GPR_Regs) {
unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
- ArgVal = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
+ ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
++GPR_idx;
} else {
needsLoad = true;
case MVT::i64: // PPC64
if (GPR_idx != Num_GPR_Regs) {
unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::G8RCRegClass);
- ArgVal = DAG.getCopyFromReg(Root, dl, VReg, MVT::i64);
+ ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i64);
if (ObjectVT == MVT::i32) {
// PPC64 passes i8, i16, and i32 values in i64 registers. Promote
else
VReg = MF.addLiveIn(FPR[FPR_idx], &PPC::F8RCRegClass);
- ArgVal = DAG.getCopyFromReg(Root, dl, VReg, ObjectVT);
+ ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, ObjectVT);
++FPR_idx;
} else {
needsLoad = true;
// except in varargs functions.
if (VR_idx != Num_VR_Regs) {
unsigned VReg = MF.addLiveIn(VR[VR_idx], &PPC::VRRCRegClass);
- ArgVal = DAG.getCopyFromReg(Root, dl, VReg, ObjectVT);
+ ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, ObjectVT);
if (isVarArg) {
while ((ArgOffset % 16) != 0) {
ArgOffset += PtrByteSize;
GPR_idx++;
}
ArgOffset += 16;
- GPR_idx = std::min(GPR_idx+4, Num_GPR_Regs);
+ GPR_idx = std::min(GPR_idx+4, Num_GPR_Regs); // FIXME correct for ppc64?
}
++VR_idx;
} else {
if (needsLoad) {
int FI = MFI->CreateFixedObject(ObjSize,
CurArgOffset + (ArgSize - ObjSize),
- isImmutable);
+ isImmutable, false);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
- ArgVal = DAG.getLoad(ObjectVT, dl, Root, FIN, NULL, 0);
+ ArgVal = DAG.getLoad(ObjectVT, dl, Chain, FIN, NULL, 0);
}
- ArgValues.push_back(ArgVal);
+ InVals.push_back(ArgVal);
}
// Set the size that is at least reserved in caller of this function. Tail
int Depth = ArgOffset;
VarArgsFrameIndex = MFI->CreateFixedObject(PtrVT.getSizeInBits()/8,
- Depth);
+ Depth, true, false);
SDValue FIN = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
// If this function is vararg, store any remaining integer argument regs
else
VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
- SDValue Val = DAG.getCopyFromReg(Root, dl, VReg, PtrVT);
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, NULL, 0);
MemOps.push_back(Store);
// Increment the address by four for the next argument to store
}
if (!MemOps.empty())
- Root = DAG.getNode(ISD::TokenFactor, dl,
- MVT::Other, &MemOps[0], MemOps.size());
+ Chain = DAG.getNode(ISD::TokenFactor, dl,
+ MVT::Other, &MemOps[0], MemOps.size());
- ArgValues.push_back(Root);
-
- // Return the new list of results.
- return DAG.getNode(ISD::MERGE_VALUES, dl, Op.getNode()->getVTList(),
- &ArgValues[0], ArgValues.size());
+ return Chain;
}
/// CalculateParameterAndLinkageAreaSize - Get the size of the paramter plus
bool isPPC64,
bool isVarArg,
unsigned CC,
- CallSDNode *TheCall,
+ const SmallVectorImpl<ISD::OutputArg>
+ &Outs,
unsigned &nAltivecParamsAtEnd) {
// Count how many bytes are to be pushed on the stack, including the linkage
// area, and parameter passing area. We start with 24/48 bytes, which is
// prereserved space for [SP][CR][LR][3 x unused].
unsigned NumBytes = PPCFrameInfo::getLinkageSize(isPPC64, true);
- unsigned NumOps = TheCall->getNumArgs();
+ unsigned NumOps = Outs.size();
unsigned PtrByteSize = isPPC64 ? 8 : 4;
// Add up all the space actually used.
// 16-byte aligned.
nAltivecParamsAtEnd = 0;
for (unsigned i = 0; i != NumOps; ++i) {
- SDValue Arg = TheCall->getArg(i);
- ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
- MVT ArgVT = Arg.getValueType();
+ SDValue Arg = Outs[i].Val;
+ ISD::ArgFlagsTy Flags = Outs[i].Flags;
+ EVT ArgVT = Arg.getValueType();
// Varargs Altivec parameters are padded to a 16 byte boundary.
if (ArgVT==MVT::v4f32 || ArgVT==MVT::v4i32 ||
ArgVT==MVT::v8i16 || ArgVT==MVT::v16i8) {
// Varargs and 64-bit Altivec parameters are padded to 16 byte boundary.
NumBytes = ((NumBytes+15)/16)*16;
}
- NumBytes += CalculateStackSlotSize(Arg, Flags, PtrByteSize);
+ NumBytes += CalculateStackSlotSize(ArgVT, Flags, PtrByteSize);
}
// Allow for Altivec parameters at the end, if needed.
/// CalculateTailCallSPDiff - Get the amount the stack pointer has to be
/// adjusted to accomodate the arguments for the tailcall.
-static int CalculateTailCallSPDiff(SelectionDAG& DAG, bool IsTailCall,
+static int CalculateTailCallSPDiff(SelectionDAG& DAG, bool isTailCall,
unsigned ParamSize) {
- if (!IsTailCall) return 0;
+ if (!isTailCall) return 0;
PPCFunctionInfo *FI = DAG.getMachineFunction().getInfo<PPCFunctionInfo>();
unsigned CallerMinReservedArea = FI->getMinReservedArea();
return SPDiff;
}
-/// IsEligibleForTailCallElimination - Check to see whether the next instruction
-/// following the call is a return. A function is eligible if caller/callee
-/// calling conventions match, currently only fastcc supports tail calls, and
-/// the function CALL is immediatly followed by a RET.
+/// IsEligibleForTailCallOptimization - Check whether the call is eligible
+/// for tail call optimization. Targets which want to do tail call
+/// optimization should implement this function.
bool
-PPCTargetLowering::IsEligibleForTailCallOptimization(CallSDNode *TheCall,
- SDValue Ret,
+PPCTargetLowering::IsEligibleForTailCallOptimization(SDValue Callee,
+ CallingConv::ID CalleeCC,
+ bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
SelectionDAG& DAG) const {
+ if (!PerformTailCallOpt)
+ return false;
+
// Variable argument functions are not supported.
- if (!PerformTailCallOpt || TheCall->isVarArg())
+ if (isVarArg)
return false;
- if (CheckTailCallReturnConstraints(TheCall, Ret)) {
- MachineFunction &MF = DAG.getMachineFunction();
- unsigned CallerCC = MF.getFunction()->getCallingConv();
- unsigned CalleeCC = TheCall->getCallingConv();
- if (CalleeCC == CallingConv::Fast && CallerCC == CalleeCC) {
- // Functions containing by val parameters are not supported.
- for (unsigned i = 0; i != TheCall->getNumArgs(); i++) {
- ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
- if (Flags.isByVal()) return false;
- }
+ MachineFunction &MF = DAG.getMachineFunction();
+ CallingConv::ID CallerCC = MF.getFunction()->getCallingConv();
+ if (CalleeCC == CallingConv::Fast && CallerCC == CalleeCC) {
+ // Functions containing by val parameters are not supported.
+ for (unsigned i = 0; i != Ins.size(); i++) {
+ ISD::ArgFlagsTy Flags = Ins[i].Flags;
+ if (Flags.isByVal()) return false;
+ }
- SDValue Callee = TheCall->getCallee();
- // Non PIC/GOT tail calls are supported.
- if (getTargetMachine().getRelocationModel() != Reloc::PIC_)
- return true;
+ // Non PIC/GOT tail calls are supported.
+ if (getTargetMachine().getRelocationModel() != Reloc::PIC_)
+ return true;
- // At the moment we can only do local tail calls (in same module, hidden
- // or protected) if we are generating PIC.
- if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
- return G->getGlobal()->hasHiddenVisibility()
- || G->getGlobal()->hasProtectedVisibility();
- }
+ // At the moment we can only do local tail calls (in same module, hidden
+ // or protected) if we are generating PIC.
+ if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
+ return G->getGlobal()->hasHiddenVisibility()
+ || G->getGlobal()->hasProtectedVisibility();
}
return false;
int NewRetAddrLoc = SPDiff + PPCFrameInfo::getReturnSaveOffset(isPPC64,
isDarwinABI);
int NewRetAddr = MF.getFrameInfo()->CreateFixedObject(SlotSize,
- NewRetAddrLoc);
- MVT VT = isPPC64 ? MVT::i64 : MVT::i32;
+ NewRetAddrLoc,
+ true, false);
+ EVT VT = isPPC64 ? MVT::i64 : MVT::i32;
SDValue NewRetAddrFrIdx = DAG.getFrameIndex(NewRetAddr, VT);
Chain = DAG.getStore(Chain, dl, OldRetAddr, NewRetAddrFrIdx,
PseudoSourceValue::getFixedStack(NewRetAddr), 0);
- // When using the SVR4 ABI there is no need to move the FP stack slot
- // as the FP is never overwritten.
+ // When using the 32/64-bit SVR4 ABI there is no need to move the FP stack
+ // slot as the FP is never overwritten.
if (isDarwinABI) {
int NewFPLoc =
SPDiff + PPCFrameInfo::getFramePointerSaveOffset(isPPC64, isDarwinABI);
- int NewFPIdx = MF.getFrameInfo()->CreateFixedObject(SlotSize, NewFPLoc);
+ int NewFPIdx = MF.getFrameInfo()->CreateFixedObject(SlotSize, NewFPLoc,
+ true, false);
SDValue NewFramePtrIdx = DAG.getFrameIndex(NewFPIdx, VT);
Chain = DAG.getStore(Chain, dl, OldFP, NewFramePtrIdx,
PseudoSourceValue::getFixedStack(NewFPIdx), 0);
SmallVector<TailCallArgumentInfo, 8>& TailCallArguments) {
int Offset = ArgOffset + SPDiff;
uint32_t OpSize = (Arg.getValueType().getSizeInBits()+7)/8;
- int FI = MF.getFrameInfo()->CreateFixedObject(OpSize, Offset);
- MVT VT = isPPC64 ? MVT::i64 : MVT::i32;
+ int FI = MF.getFrameInfo()->CreateFixedObject(OpSize, Offset, true,false);
+ EVT VT = isPPC64 ? MVT::i64 : MVT::i32;
SDValue FIN = DAG.getFrameIndex(FI, VT);
TailCallArgumentInfo Info;
Info.Arg = Arg;
DebugLoc dl) {
if (SPDiff) {
// Load the LR and FP stack slot for later adjusting.
- MVT VT = PPCSubTarget.isPPC64() ? MVT::i64 : MVT::i32;
+ EVT VT = PPCSubTarget.isPPC64() ? MVT::i64 : MVT::i32;
LROpOut = getReturnAddrFrameIndex(DAG);
LROpOut = DAG.getLoad(VT, dl, Chain, LROpOut, NULL, 0);
Chain = SDValue(LROpOut.getNode(), 1);
- // When using the SVR4 ABI there is no need to load the FP stack slot
- // as the FP is never overwritten.
+ // When using the 32/64-bit SVR4 ABI there is no need to load the FP stack
+ // slot as the FP is never overwritten.
if (isDarwinABI) {
FPOpOut = getFramePointerFrameIndex(DAG);
FPOpOut = DAG.getLoad(VT, dl, Chain, FPOpOut, NULL, 0);
bool isVector, SmallVector<SDValue, 8> &MemOpChains,
SmallVector<TailCallArgumentInfo, 8>& TailCallArguments,
DebugLoc dl) {
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
if (!isTailCall) {
if (isVector) {
SDValue StackPtr;
unsigned PrepareCall(SelectionDAG &DAG, SDValue &Callee, SDValue &InFlag,
SDValue &Chain, DebugLoc dl, int SPDiff, bool isTailCall,
SmallVector<std::pair<unsigned, SDValue>, 8> &RegsToPass,
- SmallVector<SDValue, 8> &Ops, std::vector<MVT> &NodeTys,
- bool isSVR4ABI) {
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ SmallVector<SDValue, 8> &Ops, std::vector<EVT> &NodeTys,
+ bool isPPC64, bool isSVR4ABI) {
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
NodeTys.push_back(MVT::Other); // Returns a chain
NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use.
// Otherwise, this is an indirect call. We have to use a MTCTR/BCTRL pair
// to do the call, we can't use PPCISD::CALL.
SDValue MTCTROps[] = {Chain, Callee, InFlag};
+
+ if (isSVR4ABI && isPPC64) {
+ // Function pointers in the 64-bit SVR4 ABI do not point to the function
+ // entry point, but to the function descriptor (the function entry point
+ // address is part of the function descriptor though).
+ // The function descriptor is a three doubleword structure with the
+ // following fields: function entry point, TOC base address and
+ // environment pointer.
+ // Thus for a call through a function pointer, the following actions need
+ // to be performed:
+ // 1. Save the TOC of the caller in the TOC save area of its stack
+ // frame (this is done in LowerCall_Darwin()).
+ // 2. Load the address of the function entry point from the function
+ // descriptor.
+ // 3. Load the TOC of the callee from the function descriptor into r2.
+ // 4. Load the environment pointer from the function descriptor into
+ // r11.
+ // 5. Branch to the function entry point address.
+ // 6. On return of the callee, the TOC of the caller needs to be
+ // restored (this is done in FinishCall()).
+ //
+ // All those operations are flagged together to ensure that no other
+ // operations can be scheduled in between. E.g. without flagging the
+ // operations together, a TOC access in the caller could be scheduled
+ // between the load of the callee TOC and the branch to the callee, which
+ // results in the TOC access going through the TOC of the callee instead
+ // of going through the TOC of the caller, which leads to incorrect code.
+
+ // Load the address of the function entry point from the function
+ // descriptor.
+ SDVTList VTs = DAG.getVTList(MVT::i64, MVT::Other, MVT::Flag);
+ SDValue LoadFuncPtr = DAG.getNode(PPCISD::LOAD, dl, VTs, MTCTROps,
+ InFlag.getNode() ? 3 : 2);
+ Chain = LoadFuncPtr.getValue(1);
+ InFlag = LoadFuncPtr.getValue(2);
+
+ // Load environment pointer into r11.
+ // Offset of the environment pointer within the function descriptor.
+ SDValue PtrOff = DAG.getIntPtrConstant(16);
+
+ SDValue AddPtr = DAG.getNode(ISD::ADD, dl, MVT::i64, Callee, PtrOff);
+ SDValue LoadEnvPtr = DAG.getNode(PPCISD::LOAD, dl, VTs, Chain, AddPtr,
+ InFlag);
+ Chain = LoadEnvPtr.getValue(1);
+ InFlag = LoadEnvPtr.getValue(2);
+
+ SDValue EnvVal = DAG.getCopyToReg(Chain, dl, PPC::X11, LoadEnvPtr,
+ InFlag);
+ Chain = EnvVal.getValue(0);
+ InFlag = EnvVal.getValue(1);
+
+ // Load TOC of the callee into r2. We are using a target-specific load
+ // with r2 hard coded, because the result of a target-independent load
+ // would never go directly into r2, since r2 is a reserved register (which
+ // prevents the register allocator from allocating it), resulting in an
+ // additional register being allocated and an unnecessary move instruction
+ // being generated.
+ VTs = DAG.getVTList(MVT::Other, MVT::Flag);
+ SDValue LoadTOCPtr = DAG.getNode(PPCISD::LOAD_TOC, dl, VTs, Chain,
+ Callee, InFlag);
+ Chain = LoadTOCPtr.getValue(0);
+ InFlag = LoadTOCPtr.getValue(1);
+
+ MTCTROps[0] = Chain;
+ MTCTROps[1] = LoadFuncPtr;
+ MTCTROps[2] = InFlag;
+ }
+
Chain = DAG.getNode(PPCISD::MTCTR, dl, NodeTys, MTCTROps,
2 + (InFlag.getNode() != 0));
InFlag = Chain.getValue(1);
return CallOpc;
}
-static SDValue LowerCallReturn(SDValue Op, SelectionDAG &DAG, TargetMachine &TM,
- CallSDNode *TheCall, SDValue Chain,
- SDValue InFlag) {
- bool isVarArg = TheCall->isVarArg();
- DebugLoc dl = TheCall->getDebugLoc();
- SmallVector<SDValue, 16> ResultVals;
+SDValue
+PPCTargetLowering::LowerCallResult(SDValue Chain, SDValue InFlag,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+
SmallVector<CCValAssign, 16> RVLocs;
- unsigned CallerCC = DAG.getMachineFunction().getFunction()->getCallingConv();
- CCState CCRetInfo(CallerCC, isVarArg, TM, RVLocs, *DAG.getContext());
- CCRetInfo.AnalyzeCallResult(TheCall, RetCC_PPC);
+ CCState CCRetInfo(CallConv, isVarArg, getTargetMachine(),
+ RVLocs, *DAG.getContext());
+ CCRetInfo.AnalyzeCallResult(Ins, RetCC_PPC);
// Copy all of the result registers out of their specified physreg.
for (unsigned i = 0, e = RVLocs.size(); i != e; ++i) {
CCValAssign &VA = RVLocs[i];
- MVT VT = VA.getValVT();
+ EVT VT = VA.getValVT();
assert(VA.isRegLoc() && "Can only return in registers!");
Chain = DAG.getCopyFromReg(Chain, dl,
VA.getLocReg(), VT, InFlag).getValue(1);
- ResultVals.push_back(Chain.getValue(0));
+ InVals.push_back(Chain.getValue(0));
InFlag = Chain.getValue(2);
}
- // If the function returns void, just return the chain.
- if (RVLocs.empty())
- return Chain;
-
- // Otherwise, merge everything together with a MERGE_VALUES node.
- ResultVals.push_back(Chain);
- SDValue Res = DAG.getNode(ISD::MERGE_VALUES, dl, TheCall->getVTList(),
- &ResultVals[0], ResultVals.size());
- return Res.getValue(Op.getResNo());
+ return Chain;
}
-static
-SDValue FinishCall(SelectionDAG &DAG, CallSDNode *TheCall, TargetMachine &TM,
- SmallVector<std::pair<unsigned, SDValue>, 8> &RegsToPass,
- SDValue Op, SDValue InFlag, SDValue Chain, SDValue &Callee,
- int SPDiff, unsigned NumBytes) {
- unsigned CC = TheCall->getCallingConv();
- DebugLoc dl = TheCall->getDebugLoc();
- bool isTailCall = TheCall->isTailCall()
- && CC == CallingConv::Fast && PerformTailCallOpt;
-
- std::vector<MVT> NodeTys;
+SDValue
+PPCTargetLowering::FinishCall(CallingConv::ID CallConv, DebugLoc dl,
+ bool isTailCall, bool isVarArg,
+ SelectionDAG &DAG,
+ SmallVector<std::pair<unsigned, SDValue>, 8>
+ &RegsToPass,
+ SDValue InFlag, SDValue Chain,
+ SDValue &Callee,
+ int SPDiff, unsigned NumBytes,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ SmallVectorImpl<SDValue> &InVals) {
+ std::vector<EVT> NodeTys;
SmallVector<SDValue, 8> Ops;
unsigned CallOpc = PrepareCall(DAG, Callee, InFlag, Chain, dl, SPDiff,
isTailCall, RegsToPass, Ops, NodeTys,
- TM.getSubtarget<PPCSubtarget>().isSVR4ABI());
+ PPCSubTarget.isPPC64(),
+ PPCSubTarget.isSVR4ABI());
// When performing tail call optimization the callee pops its arguments off
// the stack. Account for this here so these bytes can be pushed back on in
// PPCRegisterInfo::eliminateCallFramePseudoInstr.
int BytesCalleePops =
- (CC==CallingConv::Fast && PerformTailCallOpt) ? NumBytes : 0;
+ (CallConv==CallingConv::Fast && PerformTailCallOpt) ? NumBytes : 0;
if (InFlag.getNode())
Ops.push_back(InFlag);
// Emit tail call.
if (isTailCall) {
- assert(InFlag.getNode() &&
- "Flag must be set. Depend on flag being set in LowerRET");
- Chain = DAG.getNode(PPCISD::TAILCALL, dl,
- TheCall->getVTList(), &Ops[0], Ops.size());
- return SDValue(Chain.getNode(), Op.getResNo());
+ // If this is the first return lowered for this function, add the regs
+ // to the liveout set for the function.
+ if (DAG.getMachineFunction().getRegInfo().liveout_empty()) {
+ SmallVector<CCValAssign, 16> RVLocs;
+ CCState CCInfo(CallConv, isVarArg, getTargetMachine(), RVLocs,
+ *DAG.getContext());
+ CCInfo.AnalyzeCallResult(Ins, RetCC_PPC);
+ for (unsigned i = 0; i != RVLocs.size(); ++i)
+ DAG.getMachineFunction().getRegInfo().addLiveOut(RVLocs[i].getLocReg());
+ }
+
+ assert(((Callee.getOpcode() == ISD::Register &&
+ cast<RegisterSDNode>(Callee)->getReg() == PPC::CTR) ||
+ Callee.getOpcode() == ISD::TargetExternalSymbol ||
+ Callee.getOpcode() == ISD::TargetGlobalAddress ||
+ isa<ConstantSDNode>(Callee)) &&
+ "Expecting an global address, external symbol, absolute value or register");
+
+ return DAG.getNode(PPCISD::TC_RETURN, dl, MVT::Other, &Ops[0], Ops.size());
}
Chain = DAG.getNode(CallOpc, dl, NodeTys, &Ops[0], Ops.size());
InFlag = Chain.getValue(1);
+ // Add a NOP immediately after the branch instruction when using the 64-bit
+ // SVR4 ABI. At link time, if caller and callee are in a different module and
+ // thus have a different TOC, the call will be replaced with a call to a stub
+ // function which saves the current TOC, loads the TOC of the callee and
+ // branches to the callee. The NOP will be replaced with a load instruction
+ // which restores the TOC of the caller from the TOC save slot of the current
+ // stack frame. If caller and callee belong to the same module (and have the
+ // same TOC), the NOP will remain unchanged.
+ if (!isTailCall && PPCSubTarget.isSVR4ABI()&& PPCSubTarget.isPPC64()) {
+ SDVTList VTs = DAG.getVTList(MVT::Other, MVT::Flag);
+ if (CallOpc == PPCISD::BCTRL_SVR4) {
+ // This is a call through a function pointer.
+ // Restore the caller TOC from the save area into R2.
+ // See PrepareCall() for more information about calls through function
+ // pointers in the 64-bit SVR4 ABI.
+ // We are using a target-specific load with r2 hard coded, because the
+ // result of a target-independent load would never go directly into r2,
+ // since r2 is a reserved register (which prevents the register allocator
+ // from allocating it), resulting in an additional register being
+ // allocated and an unnecessary move instruction being generated.
+ Chain = DAG.getNode(PPCISD::TOC_RESTORE, dl, VTs, Chain, InFlag);
+ InFlag = Chain.getValue(1);
+ } else {
+ // Otherwise insert NOP.
+ InFlag = DAG.getNode(PPCISD::NOP, dl, MVT::Flag, InFlag);
+ }
+ }
+
Chain = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(NumBytes, true),
DAG.getIntPtrConstant(BytesCalleePops, true),
InFlag);
- if (TheCall->getValueType(0) != MVT::Other)
+ if (!Ins.empty())
InFlag = Chain.getValue(1);
- return LowerCallReturn(Op, DAG, TM, TheCall, Chain, InFlag);
+ return LowerCallResult(Chain, InFlag, CallConv, isVarArg,
+ Ins, dl, DAG, InVals);
}
-SDValue PPCTargetLowering::LowerCALL_SVR4(SDValue Op, SelectionDAG &DAG,
- const PPCSubtarget &Subtarget,
- TargetMachine &TM) {
- // See PPCTargetLowering::LowerFORMAL_ARGUMENTS_SVR4() for a description
- // of the SVR4 ABI stack frame layout.
- CallSDNode *TheCall = cast<CallSDNode>(Op.getNode());
- SDValue Chain = TheCall->getChain();
- bool isVarArg = TheCall->isVarArg();
- unsigned CC = TheCall->getCallingConv();
- assert((CC == CallingConv::C ||
- CC == CallingConv::Fast) && "Unknown calling convention!");
- bool isTailCall = TheCall->isTailCall()
- && CC == CallingConv::Fast && PerformTailCallOpt;
- SDValue Callee = TheCall->getCallee();
- DebugLoc dl = TheCall->getDebugLoc();
-
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+SDValue
+PPCTargetLowering::LowerCall(SDValue Chain, SDValue Callee, const Type *RetTy,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool &isTailCall,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+ if (isTailCall)
+ isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv, isVarArg,
+ Ins, DAG);
+
+ if (PPCSubTarget.isSVR4ABI() && !PPCSubTarget.isPPC64()) {
+ return LowerCall_SVR4(Chain, Callee, CallConv, isVarArg,
+ isTailCall, Outs, Ins,
+ dl, DAG, InVals);
+ } else {
+ return LowerCall_Darwin(Chain, Callee, CallConv, isVarArg,
+ isTailCall, Outs, Ins,
+ dl, DAG, InVals);
+ }
+}
+
+SDValue
+PPCTargetLowering::LowerCall_SVR4(SDValue Chain, SDValue Callee,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool isTailCall,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+ // See PPCTargetLowering::LowerFormalArguments_SVR4() for a description
+ // of the 32-bit SVR4 ABI stack frame layout.
+
+ assert((CallConv == CallingConv::C ||
+ CallConv == CallingConv::Fast) && "Unknown calling convention!");
+
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
unsigned PtrByteSize = 4;
MachineFunction &MF = DAG.getMachineFunction();
// and restoring the callers stack pointer in this functions epilog. This is
// done because by tail calling the called function might overwrite the value
// in this function's (MF) stack pointer stack slot 0(SP).
- if (PerformTailCallOpt && CC==CallingConv::Fast)
+ if (PerformTailCallOpt && CallConv==CallingConv::Fast)
MF.getInfo<PPCFunctionInfo>()->setHasFastCall();
// Count how many bytes are to be pushed on the stack, including the linkage
// Assign locations to all of the outgoing arguments.
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs, *DAG.getContext());
+ CCState CCInfo(CallConv, isVarArg, getTargetMachine(),
+ ArgLocs, *DAG.getContext());
// Reserve space for the linkage area on the stack.
CCInfo.AllocateStack(PPCFrameInfo::getLinkageSize(false, false), PtrByteSize);
// Handle fixed and variable vector arguments differently.
// Fixed vector arguments go into registers as long as registers are
// available. Variable vector arguments always go into memory.
- unsigned NumArgs = TheCall->getNumArgs();
- unsigned NumFixedArgs = TheCall->getNumFixedArgs();
+ unsigned NumArgs = Outs.size();
for (unsigned i = 0; i != NumArgs; ++i) {
- MVT ArgVT = TheCall->getArg(i).getValueType();
- ISD::ArgFlagsTy ArgFlags = TheCall->getArgFlags(i);
+ EVT ArgVT = Outs[i].Val.getValueType();
+ ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
bool Result;
- if (i < NumFixedArgs) {
+ if (Outs[i].IsFixed) {
Result = CC_PPC_SVR4(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags,
CCInfo);
} else {
if (Result) {
#ifndef NDEBUG
- cerr << "Call operand #" << i << " has unhandled type "
- << ArgVT.getMVTString() << "\n";
+ errs() << "Call operand #" << i << " has unhandled type "
+ << ArgVT.getEVTString() << "\n";
#endif
llvm_unreachable(0);
}
}
} else {
// All arguments are treated the same.
- CCInfo.AnalyzeCallOperands(TheCall, CC_PPC_SVR4);
+ CCInfo.AnalyzeCallOperands(Outs, CC_PPC_SVR4);
}
// Assign locations to all of the outgoing aggregate by value arguments.
SmallVector<CCValAssign, 16> ByValArgLocs;
- CCState CCByValInfo(CC, isVarArg, getTargetMachine(), ByValArgLocs,
+ CCState CCByValInfo(CallConv, isVarArg, getTargetMachine(), ByValArgLocs,
*DAG.getContext());
// Reserve stack space for the allocations in CCInfo.
CCByValInfo.AllocateStack(CCInfo.getNextStackOffset(), PtrByteSize);
- CCByValInfo.AnalyzeCallOperands(TheCall, CC_PPC_SVR4_ByVal);
+ CCByValInfo.AnalyzeCallOperands(Outs, CC_PPC_SVR4_ByVal);
// Size of the linkage area, parameter list area and the part of the local
// space variable where copies of aggregates which are passed by value are
i != e;
++i) {
CCValAssign &VA = ArgLocs[i];
- SDValue Arg = TheCall->getArg(i);
- ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
+ SDValue Arg = Outs[i].Val;
+ ISD::ArgFlagsTy Flags = Outs[i].Flags;
if (Flags.isByVal()) {
// Argument is an aggregate which is passed by value, thus we need to
// Set CR6 to true if this is a vararg call.
if (isVarArg) {
- SDValue SetCR(DAG.getTargetNode(PPC::CRSET, dl, MVT::i32), 0);
+ SDValue SetCR(DAG.getMachineNode(PPC::CRSET, dl, MVT::i32), 0);
Chain = DAG.getCopyToReg(Chain, dl, PPC::CR1EQ, SetCR, InFlag);
InFlag = Chain.getValue(1);
}
false, TailCallArguments);
}
- return FinishCall(DAG, TheCall, TM, RegsToPass, Op, InFlag, Chain, Callee,
- SPDiff, NumBytes);
+ return FinishCall(CallConv, dl, isTailCall, isVarArg, DAG,
+ RegsToPass, InFlag, Chain, Callee, SPDiff, NumBytes,
+ Ins, InVals);
}
-SDValue PPCTargetLowering::LowerCALL_Darwin(SDValue Op, SelectionDAG &DAG,
- const PPCSubtarget &Subtarget,
- TargetMachine &TM) {
- CallSDNode *TheCall = cast<CallSDNode>(Op.getNode());
- SDValue Chain = TheCall->getChain();
- bool isVarArg = TheCall->isVarArg();
- unsigned CC = TheCall->getCallingConv();
- bool isTailCall = TheCall->isTailCall()
- && CC == CallingConv::Fast && PerformTailCallOpt;
- SDValue Callee = TheCall->getCallee();
- unsigned NumOps = TheCall->getNumArgs();
- DebugLoc dl = TheCall->getDebugLoc();
-
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+SDValue
+PPCTargetLowering::LowerCall_Darwin(SDValue Chain, SDValue Callee,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool isTailCall,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) {
+
+ unsigned NumOps = Outs.size();
+
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = PtrVT == MVT::i64;
unsigned PtrByteSize = isPPC64 ? 8 : 4;
// and restoring the callers stack pointer in this functions epilog. This is
// done because by tail calling the called function might overwrite the value
// in this function's (MF) stack pointer stack slot 0(SP).
- if (PerformTailCallOpt && CC==CallingConv::Fast)
+ if (PerformTailCallOpt && CallConv==CallingConv::Fast)
MF.getInfo<PPCFunctionInfo>()->setHasFastCall();
unsigned nAltivecParamsAtEnd = 0;
// area, and parameter passing area. We start with 24/48 bytes, which is
// prereserved space for [SP][CR][LR][3 x unused].
unsigned NumBytes =
- CalculateParameterAndLinkageAreaSize(DAG, isPPC64, isVarArg, CC, TheCall,
+ CalculateParameterAndLinkageAreaSize(DAG, isPPC64, isVarArg, CallConv,
+ Outs,
nAltivecParamsAtEnd);
// Calculate by how many bytes the stack has to be adjusted in case of tail
// call optimization.
int SPDiff = CalculateTailCallSPDiff(DAG, isTailCall, NumBytes);
+ // To protect arguments on the stack from being clobbered in a tail call,
+ // force all the loads to happen before doing any other lowering.
+ if (isTailCall)
+ Chain = DAG.getStackArgumentTokenFactor(Chain);
+
// Adjust the stack pointer for the new arguments...
// These operations are automatically eliminated by the prolog/epilog pass
Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(NumBytes, true));
PPC::X3, PPC::X4, PPC::X5, PPC::X6,
PPC::X7, PPC::X8, PPC::X9, PPC::X10,
};
- static const unsigned *FPR = GetFPR(Subtarget);
+ static const unsigned *FPR = GetFPR();
static const unsigned VR[] = {
PPC::V2, PPC::V3, PPC::V4, PPC::V5, PPC::V6, PPC::V7, PPC::V8,
SmallVector<SDValue, 8> MemOpChains;
for (unsigned i = 0; i != NumOps; ++i) {
- bool inMem = false;
- SDValue Arg = TheCall->getArg(i);
- ISD::ArgFlagsTy Flags = TheCall->getArgFlags(i);
+ SDValue Arg = Outs[i].Val;
+ ISD::ArgFlagsTy Flags = Outs[i].Flags;
// PtrOff will be used to store the current argument to the stack if a
// register cannot be found for it.
if (Size==1 || Size==2) {
// Very small objects are passed right-justified.
// Everything else is passed left-justified.
- MVT VT = (Size==1) ? MVT::i8 : MVT::i16;
+ EVT VT = (Size==1) ? MVT::i8 : MVT::i16;
if (GPR_idx != NumGPRs) {
SDValue Load = DAG.getExtLoad(ISD::EXTLOAD, dl, PtrVT, Chain, Arg,
NULL, 0, VT);
continue;
}
- switch (Arg.getValueType().getSimpleVT()) {
+ switch (Arg.getValueType().getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unexpected ValueType for argument!");
case MVT::i32:
case MVT::i64:
LowerMemOpCallTo(DAG, MF, Chain, Arg, PtrOff, SPDiff, ArgOffset,
isPPC64, isTailCall, false, MemOpChains,
TailCallArguments, dl);
- inMem = true;
}
ArgOffset += PtrByteSize;
break;
LowerMemOpCallTo(DAG, MF, Chain, Arg, PtrOff, SPDiff, ArgOffset,
isPPC64, isTailCall, false, MemOpChains,
TailCallArguments, dl);
- inMem = true;
}
if (isPPC64)
ArgOffset += 8;
ArgOffset = ((ArgOffset+15)/16)*16;
ArgOffset += 12*16;
for (unsigned i = 0; i != NumOps; ++i) {
- SDValue Arg = TheCall->getArg(i);
- MVT ArgType = Arg.getValueType();
+ SDValue Arg = Outs[i].Val;
+ EVT ArgType = Arg.getValueType();
if (ArgType==MVT::v4f32 || ArgType==MVT::v4i32 ||
ArgType==MVT::v8i16 || ArgType==MVT::v16i8) {
if (++j > NumVRs) {
Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&MemOpChains[0], MemOpChains.size());
+ // Check if this is an indirect call (MTCTR/BCTRL).
+ // See PrepareCall() for more information about calls through function
+ // pointers in the 64-bit SVR4 ABI.
+ if (!isTailCall && isPPC64 && PPCSubTarget.isSVR4ABI() &&
+ !dyn_cast<GlobalAddressSDNode>(Callee) &&
+ !dyn_cast<ExternalSymbolSDNode>(Callee) &&
+ !isBLACompatibleAddress(Callee, DAG)) {
+ // Load r2 into a virtual register and store it to the TOC save area.
+ SDValue Val = DAG.getCopyFromReg(Chain, dl, PPC::X2, MVT::i64);
+ // TOC save area offset.
+ SDValue PtrOff = DAG.getIntPtrConstant(40);
+ SDValue AddPtr = DAG.getNode(ISD::ADD, dl, PtrVT, StackPtr, PtrOff);
+ Chain = DAG.getStore(Val.getValue(1), dl, Val, AddPtr, NULL, 0);
+ }
+
// 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.
SDValue InFlag;
FPOp, true, TailCallArguments);
}
- return FinishCall(DAG, TheCall, TM, RegsToPass, Op, InFlag, Chain, Callee,
- SPDiff, NumBytes);
+ return FinishCall(CallConv, dl, isTailCall, isVarArg, DAG,
+ RegsToPass, InFlag, Chain, Callee, SPDiff, NumBytes,
+ Ins, InVals);
}
-SDValue PPCTargetLowering::LowerRET(SDValue Op, SelectionDAG &DAG,
- TargetMachine &TM) {
+SDValue
+PPCTargetLowering::LowerReturn(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ DebugLoc dl, SelectionDAG &DAG) {
+
SmallVector<CCValAssign, 16> RVLocs;
- unsigned CC = DAG.getMachineFunction().getFunction()->getCallingConv();
- bool isVarArg = DAG.getMachineFunction().getFunction()->isVarArg();
- DebugLoc dl = Op.getDebugLoc();
- CCState CCInfo(CC, isVarArg, TM, RVLocs, *DAG.getContext());
- CCInfo.AnalyzeReturn(Op.getNode(), RetCC_PPC);
+ CCState CCInfo(CallConv, isVarArg, getTargetMachine(),
+ RVLocs, *DAG.getContext());
+ CCInfo.AnalyzeReturn(Outs, RetCC_PPC);
// If this is the first return lowered for this function, add the regs to the
// liveout set for the function.
DAG.getMachineFunction().getRegInfo().addLiveOut(RVLocs[i].getLocReg());
}
- SDValue Chain = Op.getOperand(0);
-
- Chain = GetPossiblePreceedingTailCall(Chain, PPCISD::TAILCALL);
- if (Chain.getOpcode() == PPCISD::TAILCALL) {
- SDValue TailCall = Chain;
- SDValue TargetAddress = TailCall.getOperand(1);
- SDValue StackAdjustment = TailCall.getOperand(2);
-
- assert(((TargetAddress.getOpcode() == ISD::Register &&
- cast<RegisterSDNode>(TargetAddress)->getReg() == PPC::CTR) ||
- TargetAddress.getOpcode() == ISD::TargetExternalSymbol ||
- TargetAddress.getOpcode() == ISD::TargetGlobalAddress ||
- isa<ConstantSDNode>(TargetAddress)) &&
- "Expecting an global address, external symbol, absolute value or register");
-
- assert(StackAdjustment.getOpcode() == ISD::Constant &&
- "Expecting a const value");
-
- SmallVector<SDValue,8> Operands;
- Operands.push_back(Chain.getOperand(0));
- Operands.push_back(TargetAddress);
- Operands.push_back(StackAdjustment);
- // Copy registers used by the call. Last operand is a flag so it is not
- // copied.
- for (unsigned i=3; i < TailCall.getNumOperands()-1; i++) {
- Operands.push_back(Chain.getOperand(i));
- }
- return DAG.getNode(PPCISD::TC_RETURN, dl, MVT::Other, &Operands[0],
- Operands.size());
- }
-
SDValue Flag;
// Copy the result values into the output registers.
CCValAssign &VA = RVLocs[i];
assert(VA.isRegLoc() && "Can only return in registers!");
Chain = DAG.getCopyToReg(Chain, dl, VA.getLocReg(),
- Op.getOperand(i*2+1), Flag);
+ Outs[i].Val, Flag);
Flag = Chain.getValue(1);
}
DebugLoc dl = Op.getDebugLoc();
// Get the corect type for pointers.
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Construct the stack pointer operand.
- bool IsPPC64 = Subtarget.isPPC64();
- unsigned SP = IsPPC64 ? PPC::X1 : PPC::R1;
+ bool isPPC64 = Subtarget.isPPC64();
+ unsigned SP = isPPC64 ? PPC::X1 : PPC::R1;
SDValue StackPtr = DAG.getRegister(SP, PtrVT);
// Get the operands for the STACKRESTORE.
SDValue
PPCTargetLowering::getReturnAddrFrameIndex(SelectionDAG & DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
- bool IsPPC64 = PPCSubTarget.isPPC64();
+ bool isPPC64 = PPCSubTarget.isPPC64();
bool isDarwinABI = PPCSubTarget.isDarwinABI();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Get current frame pointer save index. The users of this index will be
// primarily DYNALLOC instructions.
// If the frame pointer save index hasn't been defined yet.
if (!RASI) {
// Find out what the fix offset of the frame pointer save area.
- int LROffset = PPCFrameInfo::getReturnSaveOffset(IsPPC64, isDarwinABI);
+ int LROffset = PPCFrameInfo::getReturnSaveOffset(isPPC64, isDarwinABI);
// Allocate the frame index for frame pointer save area.
- RASI = MF.getFrameInfo()->CreateFixedObject(IsPPC64? 8 : 4, LROffset);
+ RASI = MF.getFrameInfo()->CreateFixedObject(isPPC64? 8 : 4, LROffset,
+ true, false);
// Save the result.
FI->setReturnAddrSaveIndex(RASI);
}
SDValue
PPCTargetLowering::getFramePointerFrameIndex(SelectionDAG & DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
- bool IsPPC64 = PPCSubTarget.isPPC64();
+ bool isPPC64 = PPCSubTarget.isPPC64();
bool isDarwinABI = PPCSubTarget.isDarwinABI();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Get current frame pointer save index. The users of this index will be
// primarily DYNALLOC instructions.
// If the frame pointer save index hasn't been defined yet.
if (!FPSI) {
// Find out what the fix offset of the frame pointer save area.
- int FPOffset = PPCFrameInfo::getFramePointerSaveOffset(IsPPC64,
+ int FPOffset = PPCFrameInfo::getFramePointerSaveOffset(isPPC64,
isDarwinABI);
// Allocate the frame index for frame pointer save area.
- FPSI = MF.getFrameInfo()->CreateFixedObject(IsPPC64? 8 : 4, FPOffset);
+ FPSI = MF.getFrameInfo()->CreateFixedObject(isPPC64? 8 : 4, FPOffset,
+ true, false);
// Save the result.
FI->setFramePointerSaveIndex(FPSI);
}
DebugLoc dl = Op.getDebugLoc();
// Get the corect type for pointers.
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Negate the size.
SDValue NegSize = DAG.getNode(ISD::SUB, dl, PtrVT,
DAG.getConstant(0, PtrVT), Size);
// Cannot handle SETEQ/SETNE.
if (CC == ISD::SETEQ || CC == ISD::SETNE) return Op;
- MVT ResVT = Op.getValueType();
- MVT CmpVT = Op.getOperand(0).getValueType();
+ EVT ResVT = Op.getValueType();
+ EVT CmpVT = Op.getOperand(0).getValueType();
SDValue LHS = Op.getOperand(0), RHS = Op.getOperand(1);
SDValue TV = Op.getOperand(2), FV = Op.getOperand(3);
DebugLoc dl = Op.getDebugLoc();
Src = DAG.getNode(ISD::FP_EXTEND, dl, MVT::f64, Src);
SDValue Tmp;
- switch (Op.getValueType().getSimpleVT()) {
+ switch (Op.getValueType().getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unhandled FP_TO_INT type in custom expander!");
case MVT::i32:
Tmp = DAG.getNode(Op.getOpcode()==ISD::FP_TO_SINT ? PPCISD::FCTIWZ :
// 64-bit registers. In particular, sign extend the input value into the
// 64-bit register with extsw, store the WHOLE 64-bit value into the stack
// then lfd it and fcfid it.
- MachineFrameInfo *FrameInfo = DAG.getMachineFunction().getFrameInfo();
- int FrameIdx = FrameInfo->CreateStackObject(8, 8);
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ MachineFunction &MF = DAG.getMachineFunction();
+ MachineFrameInfo *FrameInfo = MF.getFrameInfo();
+ int FrameIdx = FrameInfo->CreateStackObject(8, 8, false);
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
SDValue FIdx = DAG.getFrameIndex(FrameIdx, PtrVT);
SDValue Ext64 = DAG.getNode(PPCISD::EXTSW_32, dl, MVT::i32,
Op.getOperand(0));
// STD the extended value into the stack slot.
- MachineMemOperand MO(PseudoSourceValue::getFixedStack(FrameIdx),
- MachineMemOperand::MOStore, 0, 8, 8);
- SDValue Store = DAG.getNode(PPCISD::STD_32, dl, MVT::Other,
- DAG.getEntryNode(), Ext64, FIdx,
- DAG.getMemOperand(MO));
+ MachineMemOperand *MMO =
+ MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FrameIdx),
+ MachineMemOperand::MOStore, 0, 8, 8);
+ SDValue Ops[] = { DAG.getEntryNode(), Ext64, FIdx };
+ SDValue Store =
+ DAG.getMemIntrinsicNode(PPCISD::STD_32, dl, DAG.getVTList(MVT::Other),
+ Ops, 4, MVT::i64, MMO);
// Load the value as a double.
SDValue Ld = DAG.getLoad(MVT::f64, dl, Store, FIdx, NULL, 0);
*/
MachineFunction &MF = DAG.getMachineFunction();
- MVT VT = Op.getValueType();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
- std::vector<MVT> NodeTys;
+ EVT VT = Op.getValueType();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ std::vector<EVT> NodeTys;
SDValue MFFSreg, InFlag;
// Save FP Control Word to register
SDValue Chain = DAG.getNode(PPCISD::MFFS, dl, NodeTys, &InFlag, 0);
// Save FP register to stack slot
- int SSFI = MF.getFrameInfo()->CreateStackObject(8, 8);
+ int SSFI = MF.getFrameInfo()->CreateStackObject(8, 8, false);
SDValue StackSlot = DAG.getFrameIndex(SSFI, PtrVT);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, Chain,
StackSlot, NULL, 0);
}
SDValue PPCTargetLowering::LowerSHL_PARTS(SDValue Op, SelectionDAG &DAG) {
- MVT VT = Op.getValueType();
+ EVT VT = Op.getValueType();
unsigned BitWidth = VT.getSizeInBits();
DebugLoc dl = Op.getDebugLoc();
assert(Op.getNumOperands() == 3 &&
SDValue Lo = Op.getOperand(0);
SDValue Hi = Op.getOperand(1);
SDValue Amt = Op.getOperand(2);
- MVT AmtVT = Amt.getValueType();
+ EVT AmtVT = Amt.getValueType();
SDValue Tmp1 = DAG.getNode(ISD::SUB, dl, AmtVT,
DAG.getConstant(BitWidth, AmtVT), Amt);
}
SDValue PPCTargetLowering::LowerSRL_PARTS(SDValue Op, SelectionDAG &DAG) {
- MVT VT = Op.getValueType();
+ EVT VT = Op.getValueType();
DebugLoc dl = Op.getDebugLoc();
unsigned BitWidth = VT.getSizeInBits();
assert(Op.getNumOperands() == 3 &&
SDValue Lo = Op.getOperand(0);
SDValue Hi = Op.getOperand(1);
SDValue Amt = Op.getOperand(2);
- MVT AmtVT = Amt.getValueType();
+ EVT AmtVT = Amt.getValueType();
SDValue Tmp1 = DAG.getNode(ISD::SUB, dl, AmtVT,
DAG.getConstant(BitWidth, AmtVT), Amt);
SDValue PPCTargetLowering::LowerSRA_PARTS(SDValue Op, SelectionDAG &DAG) {
DebugLoc dl = Op.getDebugLoc();
- MVT VT = Op.getValueType();
+ EVT VT = Op.getValueType();
unsigned BitWidth = VT.getSizeInBits();
assert(Op.getNumOperands() == 3 &&
VT == Op.getOperand(1).getValueType() &&
SDValue Lo = Op.getOperand(0);
SDValue Hi = Op.getOperand(1);
SDValue Amt = Op.getOperand(2);
- MVT AmtVT = Amt.getValueType();
+ EVT AmtVT = Amt.getValueType();
SDValue Tmp1 = DAG.getNode(ISD::SUB, dl, AmtVT,
DAG.getConstant(BitWidth, AmtVT), Amt);
/// BuildSplatI - Build a canonical splati of Val with an element size of
/// SplatSize. Cast the result to VT.
-static SDValue BuildSplatI(int Val, unsigned SplatSize, MVT VT,
+static SDValue BuildSplatI(int Val, unsigned SplatSize, EVT VT,
SelectionDAG &DAG, DebugLoc dl) {
assert(Val >= -16 && Val <= 15 && "vsplti is out of range!");
- static const MVT VTys[] = { // canonical VT to use for each size.
+ static const EVT VTys[] = { // canonical VT to use for each size.
MVT::v16i8, MVT::v8i16, MVT::Other, MVT::v4i32
};
- MVT ReqVT = VT != MVT::Other ? VT : VTys[SplatSize-1];
+ EVT ReqVT = VT != MVT::Other ? VT : VTys[SplatSize-1];
// Force vspltis[hw] -1 to vspltisb -1 to canonicalize.
if (Val == -1)
SplatSize = 1;
- MVT CanonicalVT = VTys[SplatSize-1];
+ EVT CanonicalVT = VTys[SplatSize-1];
// Build a canonical splat for this value.
SDValue Elt = DAG.getConstant(Val, MVT::i32);
/// specified intrinsic ID.
static SDValue BuildIntrinsicOp(unsigned IID, SDValue LHS, SDValue RHS,
SelectionDAG &DAG, DebugLoc dl,
- MVT DestVT = MVT::Other) {
+ EVT DestVT = MVT::Other) {
if (DestVT == MVT::Other) DestVT = LHS.getValueType();
return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, DestVT,
DAG.getConstant(IID, MVT::i32), LHS, RHS);
/// specified intrinsic ID.
static SDValue BuildIntrinsicOp(unsigned IID, SDValue Op0, SDValue Op1,
SDValue Op2, SelectionDAG &DAG,
- DebugLoc dl, MVT DestVT = MVT::Other) {
+ DebugLoc dl, EVT DestVT = MVT::Other) {
if (DestVT == MVT::Other) DestVT = Op0.getValueType();
return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, DestVT,
DAG.getConstant(IID, MVT::i32), Op0, Op1, Op2);
/// BuildVSLDOI - Return a VECTOR_SHUFFLE that is a vsldoi of the specified
/// amount. The result has the specified value type.
static SDValue BuildVSLDOI(SDValue LHS, SDValue RHS, unsigned Amt,
- MVT VT, SelectionDAG &DAG, DebugLoc dl) {
+ EVT VT, SelectionDAG &DAG, DebugLoc dl) {
// Force LHS/RHS to be the right type.
LHS = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::v16i8, LHS);
RHS = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::v16i8, RHS);
unsigned SplatBitSize;
bool HasAnyUndefs;
if (! BVN->isConstantSplat(APSplatBits, APSplatUndef, SplatBitSize,
- HasAnyUndefs) || SplatBitSize > 32)
+ HasAnyUndefs, 0, true) || SplatBitSize > 32)
return SDValue();
unsigned SplatBits = APSplatBits.getZExtValue();
case OP_VSLDOI12:
return BuildVSLDOI(OpLHS, OpRHS, 12, OpLHS.getValueType(), DAG, dl);
}
- MVT VT = OpLHS.getValueType();
+ EVT VT = OpLHS.getValueType();
OpLHS = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::v16i8, OpLHS);
OpRHS = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::v16i8, OpRHS);
SDValue T = DAG.getVectorShuffle(MVT::v16i8, dl, OpLHS, OpRHS, ShufIdxs);
SDValue V1 = Op.getOperand(0);
SDValue V2 = Op.getOperand(1);
ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(Op);
- MVT VT = Op.getValueType();
+ EVT VT = Op.getValueType();
// Cases that are handled by instructions that take permute immediates
// (such as vsplt*) should be left as VECTOR_SHUFFLE nodes so they can be
// The SHUFFLE_VECTOR mask is almost exactly what we want for vperm, except
// that it is in input element units, not in bytes. Convert now.
- MVT EltVT = V1.getValueType().getVectorElementType();
+ EVT EltVT = V1.getValueType().getVectorElementType();
unsigned BytesPerElement = EltVT.getSizeInBits()/8;
SmallVector<SDValue, 16> ResultMask;
Op.getOperand(3), // RHS
DAG.getConstant(CompareOpc, MVT::i32)
};
- std::vector<MVT> VTs;
+ std::vector<EVT> VTs;
VTs.push_back(Op.getOperand(2).getValueType());
VTs.push_back(MVT::Flag);
SDValue CompNode = DAG.getNode(PPCISD::VCMPo, dl, VTs, Ops, 3);
DebugLoc dl = Op.getDebugLoc();
// Create a stack slot that is 16-byte aligned.
MachineFrameInfo *FrameInfo = DAG.getMachineFunction().getFrameInfo();
- int FrameIdx = FrameInfo->CreateStackObject(16, 16);
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ int FrameIdx = FrameInfo->CreateStackObject(16, 16, false);
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
SDValue FIdx = DAG.getFrameIndex(FrameIdx, PtrVT);
// Store the input value into Value#0 of the stack slot.
switch (Op.getOpcode()) {
default: llvm_unreachable("Wasn't expecting to be able to lower this!");
case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
+ case ISD::BlockAddress: return LowerBlockAddress(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(Op, DAG);
case ISD::GlobalTLSAddress: return LowerGlobalTLSAddress(Op, DAG);
case ISD::JumpTable: return LowerJumpTable(Op, DAG);
return LowerVAARG(Op, DAG, VarArgsFrameIndex, VarArgsStackOffset,
VarArgsNumGPR, VarArgsNumFPR, PPCSubTarget);
- case ISD::FORMAL_ARGUMENTS:
- if (PPCSubTarget.isSVR4ABI()) {
- return LowerFORMAL_ARGUMENTS_SVR4(Op, DAG, VarArgsFrameIndex,
- VarArgsStackOffset, VarArgsNumGPR,
- VarArgsNumFPR, PPCSubTarget);
- } else {
- return LowerFORMAL_ARGUMENTS_Darwin(Op, DAG, VarArgsFrameIndex,
- PPCSubTarget);
- }
-
- case ISD::CALL:
- if (PPCSubTarget.isSVR4ABI()) {
- return LowerCALL_SVR4(Op, DAG, PPCSubTarget, getTargetMachine());
- } else {
- return LowerCALL_Darwin(Op, DAG, PPCSubTarget, getTargetMachine());
- }
-
- case ISD::RET: return LowerRET(Op, DAG, getTargetMachine());
case ISD::STACKRESTORE: return LowerSTACKRESTORE(Op, DAG, PPCSubTarget);
case ISD::DYNAMIC_STACKALLOC:
return LowerDYNAMIC_STACKALLOC(Op, DAG, PPCSubTarget);
// This sequence changes FPSCR to do round-to-zero, adds the two halves
// of the long double, and puts FPSCR back the way it was. We do not
// actually model FPSCR.
- std::vector<MVT> NodeTys;
+ std::vector<EVT> NodeTys;
SDValue Ops[4], Result, MFFSreg, InFlag, FPreg;
NodeTys.push_back(MVT::f64); // Return register
MachineBasicBlock *
PPCTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *BB) const {
+ MachineBasicBlock *BB,
+ DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
// To "insert" these instructions we actually have to insert their
.addImm(SelectPred).addReg(MI->getOperand(1).getReg()).addMBB(sinkMBB);
F->insert(It, copy0MBB);
F->insert(It, sinkMBB);
- // Update machine-CFG edges by transferring all successors of the current
+ // 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.
- sinkMBB->transferSuccessors(BB);
+ // Also inform sdisel of the edge changes.
+ for (MachineBasicBlock::succ_iterator I = BB->succ_begin(),
+ E = BB->succ_end(); I != E; ++I) {
+ EM->insert(std::make_pair(*I, sinkMBB));
+ sinkMBB->addSuccessor(*I);
+ }
+ // Next, remove all successors of the current block, and add the true
+ // and fallthrough blocks as its successors.
+ while (!BB->succ_empty())
+ BB->removeSuccessor(BB->succ_begin());
// Next, add the true and fallthrough blocks as its successors.
BB->addSuccessor(copy0MBB);
BB->addSuccessor(sinkMBB);
}
// Turn STORE (BSWAP) -> sthbrx/stwbrx.
- if (N->getOperand(1).getOpcode() == ISD::BSWAP &&
+ if (cast<StoreSDNode>(N)->isUnindexed() &&
+ N->getOperand(1).getOpcode() == ISD::BSWAP &&
N->getOperand(1).getNode()->hasOneUse() &&
(N->getOperand(1).getValueType() == MVT::i32 ||
N->getOperand(1).getValueType() == MVT::i16)) {
if (BSwapOp.getValueType() == MVT::i16)
BSwapOp = DAG.getNode(ISD::ANY_EXTEND, dl, MVT::i32, BSwapOp);
- return DAG.getNode(PPCISD::STBRX, dl, MVT::Other, N->getOperand(0),
- BSwapOp, N->getOperand(2), N->getOperand(3),
- DAG.getValueType(N->getOperand(1).getValueType()));
+ SDValue Ops[] = {
+ N->getOperand(0), BSwapOp, N->getOperand(2),
+ DAG.getValueType(N->getOperand(1).getValueType())
+ };
+ return
+ DAG.getMemIntrinsicNode(PPCISD::STBRX, dl, DAG.getVTList(MVT::Other),
+ Ops, array_lengthof(Ops),
+ cast<StoreSDNode>(N)->getMemoryVT(),
+ cast<StoreSDNode>(N)->getMemOperand());
}
break;
case ISD::BSWAP:
SDValue Load = N->getOperand(0);
LoadSDNode *LD = cast<LoadSDNode>(Load);
// Create the byte-swapping load.
- std::vector<MVT> VTs;
- VTs.push_back(MVT::i32);
- VTs.push_back(MVT::Other);
- SDValue MO = DAG.getMemOperand(LD->getMemOperand());
SDValue Ops[] = {
LD->getChain(), // Chain
LD->getBasePtr(), // Ptr
- MO, // MemOperand
DAG.getValueType(N->getValueType(0)) // VT
};
- SDValue BSLoad = DAG.getNode(PPCISD::LBRX, dl, VTs, Ops, 4);
+ SDValue BSLoad =
+ DAG.getMemIntrinsicNode(PPCISD::LBRX, dl,
+ DAG.getVTList(MVT::i32, MVT::Other), Ops, 3,
+ LD->getMemoryVT(), LD->getMemOperand());
// If this is an i16 load, insert the truncate.
SDValue ResVal = BSLoad;
bool BranchOnWhenPredTrue = (CC == ISD::SETEQ) ^ (Val == 0);
// Create the PPCISD altivec 'dot' comparison node.
- std::vector<MVT> VTs;
+ std::vector<EVT> VTs;
SDValue Ops[] = {
LHS.getOperand(2), // LHS of compare
LHS.getOperand(3), // RHS of compare
default: break;
case PPCISD::LBRX: {
// lhbrx is known to have the top bits cleared out.
- if (cast<VTSDNode>(Op.getOperand(3))->getVT() == MVT::i16)
+ if (cast<VTSDNode>(Op.getOperand(2))->getVT() == MVT::i16)
KnownZero = 0xFFFF0000;
break;
}
std::pair<unsigned, const TargetRegisterClass*>
PPCTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint,
- MVT VT) const {
+ EVT VT) const {
if (Constraint.size() == 1) {
// GCC RS6000 Constraint Letters
switch (Constraint[0]) {
if (cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() > 0)
return SDValue();
- MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+ EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = PtrVT == MVT::i64;
MachineFunction &MF = DAG.getMachineFunction();
return false;
}
-MVT PPCTargetLowering::getOptimalMemOpType(uint64_t Size, unsigned Align,
+EVT PPCTargetLowering::getOptimalMemOpType(uint64_t Size, unsigned Align,
bool isSrcConst, bool isSrcStr,
SelectionDAG &DAG) const {
if (this->PPCSubTarget.isPPC64()) {
projects / oota-llvm.git / blobdiff