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DAG: Expose all MMO flags in getTgtMemIntrinsic

Browse Source 
Rather than adding more bits to express every
MMO flag you could want, just directly use the
MMO flags. Also fixes using a bunch of bool arguments to
getMemIntrinsicNode.

On AMDGPU, buffer and image intrinsics should always
have MODereferencable set, but currently there is no
way to do that directly during the initial intrinsic
lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320746 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2017-12-14 21:39:51 +00:00
parent a9bb60c600
commit a40d3af28e
12 changed files with 82 additions and 154 deletions
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11
include/llvm/CodeGen/SelectionDAG.h
View File

@ -988,11 +988,14 @@ public:
/// result and takes a list of operands. Opcode may be INTRINSIC_VOID,
/// INTRINSIC_W_CHAIN, or a target-specific opcode with a value not
/// less than FIRST_TARGET_MEMORY_OPCODE.
SDValue getMemIntrinsicNode(unsigned Opcode, const SDLoc &dl, SDVTList VTList,
SDValue getMemIntrinsicNode(
unsigned Opcode, const SDLoc &dl, SDVTList VTList,
ArrayRef<SDValue> Ops, EVT MemVT,
MachinePointerInfo PtrInfo, unsigned Align = 0,
bool Vol = false, bool ReadMem = true,
bool WriteMem = true, unsigned Size = 0);
MachinePointerInfo PtrInfo,
unsigned Align = 0,
MachineMemOperand::Flags Flags
= MachineMemOperand::MOLoad | MachineMemOperand::MOStore,
unsigned Size = 0);
SDValue getMemIntrinsicNode(unsigned Opcode, const SDLoc &dl, SDVTList VTList,
ArrayRef<SDValue> Ops, EVT MemVT,

4
include/llvm/CodeGen/TargetLowering.h
View File

@ -707,10 +707,8 @@ public:
unsigned size = 0; // the size of the memory location
// (taken from memVT if zero)
unsigned align = 1; // alignment
bool vol = false; // is volatile?
bool readMem = false; // reads memory?
bool writeMem = false; // writes memory?
MachineMemOperand::Flags flags = MachineMemOperand::MONone;
IntrinsicInfo() = default;
};

6
lib/CodeGen/GlobalISel/IRTranslator.cpp
View File

@ -852,13 +852,9 @@ bool IRTranslator::translateCall(const User &U, MachineIRBuilder &MIRBuilder) {
TargetLowering::IntrinsicInfo Info;
// TODO: Add a GlobalISel version of getTgtMemIntrinsic.
if (TLI.getTgtMemIntrinsic(Info, CI, ID)) {
MachineMemOperand::Flags Flags =
Info.vol ? MachineMemOperand::MOVolatile : MachineMemOperand::MONone;
Flags |=
Info.readMem ? MachineMemOperand::MOLoad : MachineMemOperand::MOStore;
uint64_t Size = Info.memVT.getStoreSize();
MIB.addMemOperand(MF->getMachineMemOperand(MachinePointerInfo(Info.ptrVal),
Flags, Size, Info.align));
Info.flags, Size, Info.align));
}
return true;

14
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -5777,21 +5777,15 @@ SDValue SelectionDAG::getMergeValues(ArrayRef<SDValue> Ops, const SDLoc &dl) {
SDValue SelectionDAG::getMemIntrinsicNode(
unsigned Opcode, const SDLoc &dl, SDVTList VTList, ArrayRef<SDValue> Ops,
EVT MemVT, MachinePointerInfo PtrInfo, unsigned Align, bool Vol,
bool ReadMem, bool WriteMem, unsigned Size) {
EVT MemVT, MachinePointerInfo PtrInfo, unsigned Align,
MachineMemOperand::Flags Flags, unsigned Size) {
if (Align == 0) // Ensure that codegen never sees alignment 0
Align = getEVTAlignment(MemVT);
MachineFunction &MF = getMachineFunction();
auto Flags = MachineMemOperand::MONone;
if (WriteMem)
Flags |= MachineMemOperand::MOStore;
if (ReadMem)
Flags |= MachineMemOperand::MOLoad;
if (Vol)
Flags |= MachineMemOperand::MOVolatile;
if (!Size)
Size = MemVT.getStoreSize();
MachineFunction &MF = getMachineFunction();
MachineMemOperand *MMO =
MF.getMachineMemOperand(PtrInfo, Flags, Size, Align);

14
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
View File

@ -4240,11 +4240,10 @@ void SelectionDAGBuilder::visitTargetIntrinsic(const CallInst &I,
SDValue Result;
if (IsTgtIntrinsic) {
// This is target intrinsic that touches memory
Result = DAG.getMemIntrinsicNode(Info.opc, getCurSDLoc(),
VTs, Ops, Info.memVT,
MachinePointerInfo(Info.ptrVal, Info.offset),
Info.align, Info.vol,
Info.readMem, Info.writeMem, Info.size);
Result = DAG.getMemIntrinsicNode(Info.opc, getCurSDLoc(), VTs,
Ops, Info.memVT,
MachinePointerInfo(Info.ptrVal, Info.offset), Info.align,
Info.flags, Info.size);
} else if (!HasChain) {
Result = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, getCurSDLoc(), VTs, Ops);
} else if (!I.getType()->isVoidTy()) {
@ -5823,6 +5822,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::prefetch: {
SDValue Ops[5];
unsigned rw = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue();
auto Flags = rw == 0 ? MachineMemOperand::MOLoad :MachineMemOperand::MOStore;
Ops[0] = getRoot();
Ops[1] = getValue(I.getArgOperand(0));
Ops[2] = getValue(I.getArgOperand(1));
@ -5833,9 +5833,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
EVT::getIntegerVT(*Context, 8),
MachinePointerInfo(I.getArgOperand(0)),
0, /* align */
false, /* volatile */
rw==0, /* read */
rw==1)); /* write */
Flags));
return nullptr;
}
case Intrinsic::lifetime_start:

26
lib/Target/AArch64/AArch64ISelLowering.cpp
View File

@ -7393,9 +7393,8 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(I.getNumArgOperands() - 1);
Info.offset = 0;
Info.align = 0;
Info.vol = false; // volatile loads with NEON intrinsics not supported
Info.readMem = true;
Info.writeMem = false;
// volatile loads with NEON intrinsics not supported
Info.flags = MachineMemOperand::MOLoad;
return true;
}
case Intrinsic::aarch64_neon_st2:
@ -7420,9 +7419,8 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(I.getNumArgOperands() - 1);
Info.offset = 0;
Info.align = 0;
Info.vol = false; // volatile stores with NEON intrinsics not supported
Info.readMem = false;
Info.writeMem = true;
// volatile stores with NEON intrinsics not supported
Info.flags = MachineMemOperand::MOStore;
return true;
}
case Intrinsic::aarch64_ldaxr:
@ -7433,9 +7431,7 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.align = DL.getABITypeAlignment(PtrTy->getElementType());
Info.vol = true;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOVolatile;
return true;
}
case Intrinsic::aarch64_stlxr:
@ -7446,9 +7442,7 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(1);
Info.offset = 0;
Info.align = DL.getABITypeAlignment(PtrTy->getElementType());
Info.vol = true;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore | MachineMemOperand::MOVolatile;
return true;
}
case Intrinsic::aarch64_ldaxp:
@ -7458,9 +7452,7 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.align = 16;
Info.vol = true;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOVolatile;
return true;
case Intrinsic::aarch64_stlxp:
case Intrinsic::aarch64_stxp:
@ -7469,9 +7461,7 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(2);
Info.offset = 0;
Info.align = 16;
Info.vol = true;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore | MachineMemOperand::MOVolatile;
return true;
default:
break;

7
lib/Target/AMDGPU/SIISelLowering.cpp
View File

@ -566,11 +566,12 @@ bool SITargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.memVT = MVT::getVT(CI.getType());
Info.ptrVal = CI.getOperand(0);
Info.align = 0;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
const ConstantInt *Vol = dyn_cast<ConstantInt>(CI.getOperand(4));
Info.vol = !Vol || !Vol->isZero();
Info.readMem = true;
Info.writeMem = true;
if (!Vol || !Vol->isZero())
Info.flags |= MachineMemOperand::MOVolatile;
return true;
}
default:

26
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -13606,9 +13606,8 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = 0;
Value *AlignArg = I.getArgOperand(I.getNumArgOperands() - 1);
Info.align = cast<ConstantInt>(AlignArg)->getZExtValue();
Info.vol = false; // volatile loads with NEON intrinsics not supported
Info.readMem = true;
Info.writeMem = false;
// volatile loads with NEON intrinsics not supported
Info.flags = MachineMemOperand::MOLoad;
return true;
}
case Intrinsic::arm_neon_vst1:
@ -13633,9 +13632,8 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = 0;
Value *AlignArg = I.getArgOperand(I.getNumArgOperands() - 1);
Info.align = cast<ConstantInt>(AlignArg)->getZExtValue();
Info.vol = false; // volatile stores with NEON intrinsics not supported
Info.readMem = false;
Info.writeMem = true;
// volatile stores with NEON intrinsics not supported
Info.flags = MachineMemOperand::MOStore;
return true;
}
case Intrinsic::arm_ldaex:
@ -13647,9 +13645,7 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.align = DL.getABITypeAlignment(PtrTy->getElementType());
Info.vol = true;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOVolatile;
return true;
}
case Intrinsic::arm_stlex:
@ -13661,9 +13657,7 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(1);
Info.offset = 0;
Info.align = DL.getABITypeAlignment(PtrTy->getElementType());
Info.vol = true;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore | MachineMemOperand::MOVolatile;
return true;
}
case Intrinsic::arm_stlexd:
@ -13673,9 +13667,7 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(2);
Info.offset = 0;
Info.align = 8;
Info.vol = true;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore | MachineMemOperand::MOVolatile;
return true;
case Intrinsic::arm_ldaexd:
@ -13685,9 +13677,7 @@ bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.align = 8;
Info.vol = true;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOVolatile;
return true;
default:

6
lib/Target/Hexagon/HexagonISelLowering.cpp
View File

@ -2282,9 +2282,9 @@ bool HexagonTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.align = M.getDataLayout().getTypeAllocSizeInBits(VecTy) / 8;
Info.vol = true;
Info.readMem = true;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOLoad |
MachineMemOperand::MOStore |
MachineMemOperand::MOVolatile;
return true;
}
default:

74
lib/Target/NVPTX/NVPTXISelLowering.cpp
View File

@ -1561,8 +1561,7 @@ SDValue NVPTXTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
Chain = DAG.getMemIntrinsicNode(
Op, dl, DAG.getVTList(MVT::Other, MVT::Glue), StoreOperands,
TheStoreType, MachinePointerInfo(), EltAlign,
/* Volatile */ false, /* ReadMem */ false,
/* WriteMem */ true, /* Size */ 0);
MachineMemOperand::MOStore);
InFlag = Chain.getValue(1);
// Cleanup.
@ -1623,8 +1622,7 @@ SDValue NVPTXTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
Chain = DAG.getMemIntrinsicNode(NVPTXISD::StoreParam, dl, CopyParamVTs,
CopyParamOps, elemtype,
MachinePointerInfo(), /* Align */ 0,
/* Volatile */ false, /* ReadMem */ false,
/* WriteMem */ true, /* Size */ 0);
MachineMemOperand::MOStore);
InFlag = Chain.getValue(1);
}
@ -1810,8 +1808,8 @@ SDValue NVPTXTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
DAG.getConstant(Offsets[VecIdx], dl, MVT::i32), InFlag};
SDValue RetVal = DAG.getMemIntrinsicNode(
Op, dl, DAG.getVTList(LoadVTs), LoadOperands, TheLoadType,
MachinePointerInfo(), EltAlign, /* Volatile */ false,
/* ReadMem */ true, /* WriteMem */ false, /* Size */ 0);
MachinePointerInfo(), EltAlign,
MachineMemOperand::MOLoad);
for (unsigned j = 0; j < NumElts; ++j) {
SDValue Ret = RetVal.getValue(j);
@ -2596,8 +2594,7 @@ NVPTXTargetLowering::LowerReturn(SDValue Chain, CallingConv::ID CallConv,
Chain = DAG.getMemIntrinsicNode(Op, dl, DAG.getVTList(MVT::Other),
StoreOperands, TheStoreType,
MachinePointerInfo(), /* Align */ 1,
/* Volatile */ false, /* ReadMem */ false,
/* WriteMem */ true, /* Size */ 0);
MachineMemOperand::MOStore);
// Cleanup vector state.
StoreOperands.clear();
}
@ -3328,8 +3325,9 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
// in order to model data exchange with other threads, but perform no real
// memory accesses.
Info.memVT = MVT::i1;
Info.readMem = true; // Our result depends on other thread's arguments.
Info.writeMem = true; // Other threads depend on our thread's argument.
// Our result depends on both our and other thread's arguments.
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
return true;
case Intrinsic::nvvm_wmma_load_a_f16_col:
case Intrinsic::nvvm_wmma_load_a_f16_row:
@ -3359,9 +3357,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v8f16;
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
}
@ -3382,9 +3378,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v4f16;
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
}
@ -3405,9 +3399,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v8f32;
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
}
@ -3428,9 +3420,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v4f16;
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore;
Info.align = 16;
return true;
}
@ -3451,9 +3441,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v8f32;
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore;
Info.align = 16;
return true;
}
@ -3490,9 +3478,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = getValueType(DL, I.getType());
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
Info.align = 0;
return true;
}
@ -3510,9 +3496,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = getValueType(DL, I.getType());
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue();
return true;
@ -3531,9 +3515,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = getValueType(DL, I.getType());
Info.ptrVal = I.getArgOperand(0);
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue();
return true;
@ -3599,9 +3581,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v4f32;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
@ -3721,9 +3701,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::v4i32;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
@ -3776,9 +3754,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::i8;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
@ -3831,9 +3807,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::i16;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
@ -3886,9 +3860,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::i32;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
@ -3926,9 +3898,7 @@ bool NVPTXTargetLowering::getTgtMemIntrinsic(
Info.memVT = MVT::i64;
Info.ptrVal = nullptr;
Info.offset = 0;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
Info.align = 16;
return true;
}

20
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -2428,8 +2428,8 @@ static SDValue getTOCEntry(SelectionDAG &DAG, const SDLoc &dl, bool Is64Bit,
SDValue Ops[] = { GA, Reg };
return DAG.getMemIntrinsicNode(
PPCISD::TOC_ENTRY, dl, DAG.getVTList(VT, MVT::Other), Ops, VT,
MachinePointerInfo::getGOT(DAG.getMachineFunction()), 0, false, true,
false, 0);
MachinePointerInfo::getGOT(DAG.getMachineFunction()), 0,
MachineMemOperand::MOLoad);
}
SDValue PPCTargetLowering::LowerConstantPool(SDValue Op,
@ -13347,9 +13347,7 @@ bool PPCTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = -VT.getStoreSize()+1;
Info.size = 2*VT.getStoreSize()-1;
Info.align = 1;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
return true;
}
case Intrinsic::ppc_qpx_qvlfda:
@ -13383,9 +13381,7 @@ bool PPCTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = 0;
Info.size = VT.getStoreSize();
Info.align = 1;
Info.vol = false;
Info.readMem = true;
Info.writeMem = false;
Info.flags = MachineMemOperand::MOLoad;
return true;
}
case Intrinsic::ppc_qpx_qvstfd:
@ -13437,9 +13433,7 @@ bool PPCTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = -VT.getStoreSize()+1;
Info.size = 2*VT.getStoreSize()-1;
Info.align = 1;
Info.vol = false;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore;
return true;
}
case Intrinsic::ppc_qpx_qvstfda:
@ -13472,9 +13466,7 @@ bool PPCTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.offset = 0;
Info.size = VT.getStoreSize();
Info.align = 1;
Info.vol = false;
Info.readMem = false;
Info.writeMem = true;
Info.flags = MachineMemOperand::MOStore;
return true;
}
default:

20
lib/Target/X86/X86ISelLowering.cpp
View File

@ -4490,9 +4490,7 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
return false;
Info.opc = ISD::INTRINSIC_W_CHAIN;
Info.readMem = false;
Info.writeMem = false;
Info.vol = false;
Info.flags = MachineMemOperand::MONone;
Info.offset = 0;
switch (IntrData->Type) {
@ -4500,14 +4498,14 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.ptrVal = I.getArgOperand(0);
Info.memVT = MVT::getVT(I.getType());
Info.align = 1;
Info.readMem = true;
Info.flags |= MachineMemOperand::MOLoad;
break;
}
case COMPRESS_TO_MEM: {
Info.ptrVal = I.getArgOperand(0);
Info.memVT = MVT::getVT(I.getArgOperand(1)->getType());
Info.align = 1;
Info.writeMem = true;
Info.flags |= MachineMemOperand::MOStore;
break;
}
case TRUNCATE_TO_MEM_VI8:
@ -4525,7 +4523,7 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
Info.memVT = MVT::getVectorVT(ScalarVT, VT.getVectorNumElements());
Info.align = 1;
Info.writeMem = true;
Info.flags |= MachineMemOperand::MOStore;
break;
}
default:
@ -6660,8 +6658,7 @@ static SDValue EltsFromConsecutiveLoads(EVT VT, ArrayRef<SDValue> Elts,
DAG.getMemIntrinsicNode(X86ISD::VZEXT_LOAD, DL, Tys, Ops, VecSVT,
LDBase->getPointerInfo(),
LDBase->getAlignment(),
false/*isVolatile*/, true/*ReadMem*/,
false/*WriteMem*/);
MachineMemOperand::MOLoad);
for (auto *LD : Loads)
DAG.makeEquivalentMemoryOrdering(LD, ResNode);
return DAG.getBitcast(VT, ResNode);
@ -19354,13 +19351,12 @@ SDValue X86TargetLowering::LowerVAARG(SDValue Op, SelectionDAG &DAG) const {
DAG.getConstant(ArgMode, dl, MVT::i8),
DAG.getConstant(Align, dl, MVT::i32)};
SDVTList VTs = DAG.getVTList(getPointerTy(DAG.getDataLayout()), MVT::Other);
SDValue VAARG = DAG.getMemIntrinsicNode(X86ISD::VAARG_64, dl,
SDValue VAARG = DAG.getMemIntrinsicNode(
X86ISD::VAARG_64, dl,
VTs, InstOps, MVT::i64,
MachinePointerInfo(SV),
/*Align=*/0,
/*Volatile=*/false,
/*ReadMem=*/true,
/*WriteMem=*/true);
MachineMemOperand::MOLoad | MachineMemOperand::MOStore);
Chain = VAARG.getValue(1);
// Load the next argument and return it