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eliminate an old SelectionDAG::getTruncStore method, propagating

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MachinePointerInfo around more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114452 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-21 17:42:31 +00:00
parent 5cd9391a08
commit da2d8e1032
9 changed files with 77 additions and 97 deletions
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4
include/llvm/CodeGen/SelectionDAG.h
View File

@ -662,10 +662,6 @@ public:
MachinePointerInfo PtrInfo, EVT TVT,
bool isNonTemporal, bool isVolatile,
unsigned Alignment);
SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
const Value *SV, int SVOffset, EVT TVT,
bool isNonTemporal, bool isVolatile,
unsigned Alignment);
SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
EVT TVT, MachineMemOperand *MMO);
SDValue getIndexedStore(SDValue OrigStoe, DebugLoc dl, SDValue Base,

11
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -5969,8 +5969,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
if (unsigned Align = DAG.InferPtrAlignment(Ptr)) {
if (Align > ST->getAlignment())
return DAG.getTruncStore(Chain, N->getDebugLoc(), Value,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
Ptr, ST->getPointerInfo(), ST->getMemoryVT(),
ST->isVolatile(), ST->isNonTemporal(), Align);
}
}
@ -5986,7 +5985,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
// Replace the chain to avoid dependency.
if (ST->isTruncatingStore()) {
ReplStore = DAG.getTruncStore(BetterChain, N->getDebugLoc(), Value, Ptr,
ST->getSrcValue(),ST->getSrcValueOffset(),
ST->getPointerInfo(),
ST->getMemoryVT(), ST->isVolatile(),
ST->isNonTemporal(), ST->getAlignment());
} else {
@ -6025,8 +6024,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
AddToWorkList(Value.getNode());
if (Shorter.getNode())
return DAG.getTruncStore(Chain, N->getDebugLoc(), Shorter,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
Ptr, ST->getPointerInfo(), ST->getMemoryVT(),
ST->isVolatile(), ST->isNonTemporal(),
ST->getAlignment());
@ -6059,8 +6057,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
TLI.isTruncStoreLegal(Value.getOperand(0).getValueType(),
ST->getMemoryVT())) {
return DAG.getTruncStore(Chain, N->getDebugLoc(), Value.getOperand(0),
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
Ptr, ST->getPointerInfo(), ST->getMemoryVT(),
ST->isVolatile(), ST->isNonTemporal(),
ST->getAlignment());
}

79
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -395,7 +395,6 @@ SDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG,
SDValue Val = ST->getValue();
EVT VT = Val.getValueType();
int Alignment = ST->getAlignment();
int SVOffset = ST->getSrcValueOffset();
DebugLoc dl = ST->getDebugLoc();
if (ST->getMemoryVT().isFloatingPoint() ||
ST->getMemoryVT().isVector()) {
@ -405,9 +404,8 @@ SDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG,
// same size, then a (misaligned) int store.
// FIXME: Does not handle truncating floating point stores!
SDValue Result = DAG.getNode(ISD::BIT_CONVERT, dl, intVT, Val);
return DAG.getStore(Chain, dl, Result, Ptr, ST->getSrcValue(),
SVOffset, ST->isVolatile(), ST->isNonTemporal(),
Alignment);
return DAG.getStore(Chain, dl, Result, Ptr, ST->getPointerInfo(),
ST->isVolatile(), ST->isNonTemporal(), Alignment);
} else {
// Do a (aligned) store to a stack slot, then copy from the stack slot
// to the final destination using (unaligned) integer loads and stores.
@ -487,13 +485,13 @@ SDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG,
// Store the two parts
SDValue Store1, Store2;
Store1 = DAG.getTruncStore(Chain, dl, TLI.isLittleEndian()?Lo:Hi, Ptr,
ST->getSrcValue(), SVOffset, NewStoredVT,
ST->getPointerInfo(), NewStoredVT,
ST->isVolatile(), ST->isNonTemporal(), Alignment);
Ptr = DAG.getNode(ISD::ADD, dl, Ptr.getValueType(), Ptr,
DAG.getConstant(IncrementSize, TLI.getPointerTy()));
Alignment = MinAlign(Alignment, IncrementSize);
Store2 = DAG.getTruncStore(Chain, dl, TLI.isLittleEndian()?Hi:Lo, Ptr,
ST->getSrcValue(), SVOffset + IncrementSize,
ST->getPointerInfo().getWithOffset(IncrementSize),
NewStoredVT, ST->isVolatile(), ST->isNonTemporal(),
Alignment);
@ -722,7 +720,6 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
SDValue Tmp1 = ST->getChain();
SDValue Tmp2 = ST->getBasePtr();
SDValue Tmp3;
int SVOffset = ST->getSrcValueOffset();
unsigned Alignment = ST->getAlignment();
bool isVolatile = ST->isVolatile();
bool isNonTemporal = ST->isNonTemporal();
@ -733,16 +730,20 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
Tmp3 = DAG.getConstant(CFP->getValueAPF().
bitcastToAPInt().zextOrTrunc(32),
MVT::i32);
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, isVolatile, isNonTemporal, Alignment);
} else if (CFP->getValueType(0) == MVT::f64) {
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
}
if (CFP->getValueType(0) == MVT::f64) {
// If this target supports 64-bit registers, do a single 64-bit store.
if (getTypeAction(MVT::i64) == Legal) {
Tmp3 = DAG.getConstant(CFP->getValueAPF().bitcastToAPInt().
zextOrTrunc(64), MVT::i64);
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, isVolatile, isNonTemporal, Alignment);
} else if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) {
return DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
}
if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) {
// Otherwise, if the target supports 32-bit registers, use 2 32-bit
// stores. If the target supports neither 32- nor 64-bits, this
// xform is certainly not worth it.
@ -751,11 +752,12 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) {
SDValue Hi = DAG.getConstant(IntVal.lshr(32).trunc(32), MVT::i32);
if (TLI.isBigEndian()) std::swap(Lo, Hi);
Lo = DAG.getStore(Tmp1, dl, Lo, Tmp2, ST->getSrcValue(),
SVOffset, isVolatile, isNonTemporal, Alignment);
Lo = DAG.getStore(Tmp1, dl, Lo, Tmp2, ST->getPointerInfo(), isVolatile,
isNonTemporal, Alignment);
Tmp2 = DAG.getNode(ISD::ADD, dl, Tmp2.getValueType(), Tmp2,
DAG.getIntPtrConstant(4));
Hi = DAG.getStore(Tmp1, dl, Hi, Tmp2, ST->getSrcValue(), SVOffset+4,
Hi = DAG.getStore(Tmp1, dl, Hi, Tmp2,
ST->getPointerInfo().getWithOffset(4),
isVolatile, isNonTemporal, MinAlign(Alignment, 4U));
return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Lo, Hi);
@ -1370,7 +1372,6 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
StoreSDNode *ST = cast<StoreSDNode>(Node);
Tmp1 = LegalizeOp(ST->getChain()); // Legalize the chain.
Tmp2 = LegalizeOp(ST->getBasePtr()); // Legalize the pointer.
int SVOffset = ST->getSrcValueOffset();
unsigned Alignment = ST->getAlignment();
bool isVolatile = ST->isVolatile();
bool isNonTemporal = ST->isNonTemporal();
@ -1411,7 +1412,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
Tmp3 = DAG.getNode(ISD::BIT_CONVERT, dl,
TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3);
Result = DAG.getStore(Tmp1, dl, Tmp3, Tmp2,
ST->getSrcValue(), SVOffset, isVolatile,
ST->getPointerInfo(), isVolatile,
isNonTemporal, Alignment);
break;
}
@ -1430,9 +1431,8 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
EVT NVT = EVT::getIntegerVT(*DAG.getContext(),
StVT.getStoreSizeInBits());
Tmp3 = DAG.getZeroExtendInReg(Tmp3, dl, StVT);
Result = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, NVT, isVolatile, isNonTemporal,
Alignment);
Result = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
NVT, isVolatile, isNonTemporal, Alignment);
} else if (StWidth & (StWidth - 1)) {
// If not storing a power-of-2 number of bits, expand as two stores.
assert(!StVT.isVector() && "Unsupported truncstore!");
@ -1450,8 +1450,8 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
if (TLI.isLittleEndian()) {
// TRUNCSTORE:i24 X -> TRUNCSTORE:i16 X, TRUNCSTORE@+2:i8 (srl X, 16)
// Store the bottom RoundWidth bits.
Lo = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, RoundVT,
Lo = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
RoundVT,
isVolatile, isNonTemporal, Alignment);
// Store the remaining ExtraWidth bits.
@ -1460,9 +1460,9 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
DAG.getIntPtrConstant(IncrementSize));
Hi = DAG.getNode(ISD::SRL, dl, Tmp3.getValueType(), Tmp3,
DAG.getConstant(RoundWidth, TLI.getShiftAmountTy()));
Hi = DAG.getTruncStore(Tmp1, dl, Hi, Tmp2, ST->getSrcValue(),
SVOffset + IncrementSize, ExtraVT, isVolatile,
isNonTemporal,
Hi = DAG.getTruncStore(Tmp1, dl, Hi, Tmp2,
ST->getPointerInfo().getWithOffset(IncrementSize),
ExtraVT, isVolatile, isNonTemporal,
MinAlign(Alignment, IncrementSize));
} else {
// Big endian - avoid unaligned stores.
@ -1470,17 +1470,16 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// Store the top RoundWidth bits.
Hi = DAG.getNode(ISD::SRL, dl, Tmp3.getValueType(), Tmp3,
DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy()));
Hi = DAG.getTruncStore(Tmp1, dl, Hi, Tmp2, ST->getSrcValue(),
SVOffset, RoundVT, isVolatile, isNonTemporal,
Alignment);
Hi = DAG.getTruncStore(Tmp1, dl, Hi, Tmp2, ST->getPointerInfo(),
RoundVT, isVolatile, isNonTemporal, Alignment);
// Store the remaining ExtraWidth bits.
IncrementSize = RoundWidth / 8;
Tmp2 = DAG.getNode(ISD::ADD, dl, Tmp2.getValueType(), Tmp2,
DAG.getIntPtrConstant(IncrementSize));
Lo = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset + IncrementSize, ExtraVT, isVolatile,
isNonTemporal,
Lo = DAG.getTruncStore(Tmp1, dl, Tmp3, Tmp2,
ST->getPointerInfo().getWithOffset(IncrementSize),
ExtraVT, isVolatile, isNonTemporal,
MinAlign(Alignment, IncrementSize));
}
@ -1514,9 +1513,8 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
// TRUNCSTORE:i16 i32 -> STORE i16
assert(isTypeLegal(StVT) && "Do not know how to expand this store!");
Tmp3 = DAG.getNode(ISD::TRUNCATE, dl, StVT, Tmp3);
Result = DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, isVolatile, isNonTemporal,
Alignment);
Result = DAG.getStore(Tmp1, dl, Tmp3, Tmp2, ST->getPointerInfo(),
isVolatile, isNonTemporal, Alignment);
break;
}
}
@ -1772,7 +1770,7 @@ SDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp,
FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr);
int SPFI = StackPtrFI->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
MachinePointerInfo PtrInfo = MachinePointerInfo::getFixedStack(SPFI);
unsigned SrcSize = SrcOp.getValueType().getSizeInBits();
unsigned SlotSize = SlotVT.getSizeInBits();
@ -1786,22 +1784,21 @@ SDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp,
if (SrcSize > SlotSize)
Store = DAG.getTruncStore(DAG.getEntryNode(), dl, SrcOp, FIPtr,
SV, 0, SlotVT, false, false, SrcAlign);
PtrInfo, SlotVT, false, false, SrcAlign);
else {
assert(SrcSize == SlotSize && "Invalid store");
Store = DAG.getStore(DAG.getEntryNode(), dl, SrcOp, FIPtr,
SV, 0, false, false, SrcAlign);
PtrInfo, false, false, SrcAlign);
}
// Result is a load from the stack slot.
if (SlotSize == DestSize)
return DAG.getLoad(DestVT, dl, Store, FIPtr, MachinePointerInfo(SV),
return DAG.getLoad(DestVT, dl, Store, FIPtr, PtrInfo,
false, false, DestAlign);
assert(SlotSize < DestSize && "Unknown extension!");
return DAG.getExtLoad(ISD::EXTLOAD, DestVT, dl, Store, FIPtr,
MachinePointerInfo(SV), SlotVT,
false, false, DestAlign);
PtrInfo, SlotVT, false, false, DestAlign);
}
SDValue SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) {

2
lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
View File

@ -1419,7 +1419,7 @@ SDValue DAGTypeLegalizer::ExpandFloatOp_STORE(SDNode *N, unsigned OpNo) {
GetExpandedOp(ST->getValue(), Lo, Hi);
return DAG.getTruncStore(Chain, N->getDebugLoc(), Hi, Ptr,
ST->getSrcValue(), ST->getSrcValueOffset(),
ST->getPointerInfo(),
ST->getMemoryVT(), ST->isVolatile(),
ST->isNonTemporal(), ST->getAlignment());
}

44
lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
View File

@ -365,14 +365,13 @@ SDValue DAGTypeLegalizer::ScalarizeVecOp_STORE(StoreSDNode *N, unsigned OpNo){
if (N->isTruncatingStore())
return DAG.getTruncStore(N->getChain(), dl,
GetScalarizedVector(N->getOperand(1)),
N->getBasePtr(),
N->getSrcValue(), N->getSrcValueOffset(),
N->getBasePtr(), N->getPointerInfo(),
N->getMemoryVT().getVectorElementType(),
N->isVolatile(), N->isNonTemporal(),
N->getAlignment());
return DAG.getStore(N->getChain(), dl, GetScalarizedVector(N->getOperand(1)),
N->getBasePtr(), N->getSrcValue(), N->getSrcValueOffset(),
N->getBasePtr(), N->getPointerInfo(),
N->isVolatile(), N->isNonTemporal(),
N->getOriginalAlignment());
}
@ -1118,7 +1117,6 @@ SDValue DAGTypeLegalizer::SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo) {
bool isTruncating = N->isTruncatingStore();
SDValue Ch = N->getChain();
SDValue Ptr = N->getBasePtr();
int SVOffset = N->getSrcValueOffset();
EVT MemoryVT = N->getMemoryVT();
unsigned Alignment = N->getOriginalAlignment();
bool isVol = N->isVolatile();
@ -1132,22 +1130,23 @@ SDValue DAGTypeLegalizer::SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo) {
unsigned IncrementSize = LoMemVT.getSizeInBits()/8;
if (isTruncating)
Lo = DAG.getTruncStore(Ch, DL, Lo, Ptr, N->getSrcValue(), SVOffset,
Lo = DAG.getTruncStore(Ch, DL, Lo, Ptr, N->getPointerInfo(),
LoMemVT, isVol, isNT, Alignment);
else
Lo = DAG.getStore(Ch, DL, Lo, Ptr, N->getSrcValue(), SVOffset,
Lo = DAG.getStore(Ch, DL, Lo, Ptr, N->getPointerInfo(),
isVol, isNT, Alignment);
// Increment the pointer to the other half.
Ptr = DAG.getNode(ISD::ADD, DL, Ptr.getValueType(), Ptr,
DAG.getIntPtrConstant(IncrementSize));
SVOffset += IncrementSize;
if (isTruncating)
Hi = DAG.getTruncStore(Ch, DL, Hi, Ptr, N->getSrcValue(), SVOffset,
Hi = DAG.getTruncStore(Ch, DL, Hi, Ptr,
N->getPointerInfo().getWithOffset(IncrementSize),
HiMemVT, isVol, isNT, Alignment);
else
Hi = DAG.getStore(Ch, DL, Hi, Ptr, N->getSrcValue(), SVOffset,
Hi = DAG.getStore(Ch, DL, Hi, Ptr,
N->getPointerInfo().getWithOffset(IncrementSize),
isVol, isNT, Alignment);
return DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Lo, Hi);
@ -2403,8 +2402,6 @@ void DAGTypeLegalizer::GenWidenVectorStores(SmallVector<SDValue, 16>& StChain,
// element type or scalar stores.
SDValue Chain = ST->getChain();
SDValue BasePtr = ST->getBasePtr();
const Value *SV = ST->getSrcValue();
int SVOffset = ST->getSrcValueOffset();
unsigned Align = ST->getAlignment();
bool isVolatile = ST->isVolatile();
bool isNonTemporal = ST->isNonTemporal();
@ -2431,9 +2428,9 @@ void DAGTypeLegalizer::GenWidenVectorStores(SmallVector<SDValue, 16>& StChain,
do {
SDValue EOp = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, NewVT, ValOp,
DAG.getIntPtrConstant(Idx));
StChain.push_back(DAG.getStore(Chain, dl, EOp, BasePtr, SV,
SVOffset + Offset, isVolatile,
isNonTemporal,
StChain.push_back(DAG.getStore(Chain, dl, EOp, BasePtr,
ST->getPointerInfo().getWithOffset(Offset),
isVolatile, isNonTemporal,
MinAlign(Align, Offset)));
StWidth -= NewVTWidth;
Offset += Increment;
@ -2451,9 +2448,10 @@ void DAGTypeLegalizer::GenWidenVectorStores(SmallVector<SDValue, 16>& StChain,
do {
SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, NewVT, VecOp,
DAG.getIntPtrConstant(Idx++));
StChain.push_back(DAG.getStore(Chain, dl, EOp, BasePtr, SV,
SVOffset + Offset, isVolatile,
isNonTemporal, MinAlign(Align, Offset)));
StChain.push_back(DAG.getStore(Chain, dl, EOp, BasePtr,
ST->getPointerInfo().getWithOffset(Offset),
isVolatile, isNonTemporal,
MinAlign(Align, Offset)));
StWidth -= NewVTWidth;
Offset += Increment;
BasePtr = DAG.getNode(ISD::ADD, dl, BasePtr.getValueType(), BasePtr,
@ -2472,8 +2470,6 @@ DAGTypeLegalizer::GenWidenVectorTruncStores(SmallVector<SDValue, 16>& StChain,
// and then store it. Instead, we extract each element and then store it.
SDValue Chain = ST->getChain();
SDValue BasePtr = ST->getBasePtr();
const Value *SV = ST->getSrcValue();
int SVOffset = ST->getSrcValueOffset();
unsigned Align = ST->getAlignment();
bool isVolatile = ST->isVolatile();
bool isNonTemporal = ST->isNonTemporal();
@ -2497,8 +2493,8 @@ DAGTypeLegalizer::GenWidenVectorTruncStores(SmallVector<SDValue, 16>& StChain,
unsigned NumElts = StVT.getVectorNumElements();
SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, ValEltVT, ValOp,
DAG.getIntPtrConstant(0));
StChain.push_back(DAG.getTruncStore(Chain, dl, EOp, BasePtr, SV,
SVOffset, StEltVT,
StChain.push_back(DAG.getTruncStore(Chain, dl, EOp, BasePtr,
ST->getPointerInfo(), StEltVT,
isVolatile, isNonTemporal, Align));
unsigned Offset = Increment;
for (unsigned i=1; i < NumElts; ++i, Offset += Increment) {
@ -2506,9 +2502,9 @@ DAGTypeLegalizer::GenWidenVectorTruncStores(SmallVector<SDValue, 16>& StChain,
BasePtr, DAG.getIntPtrConstant(Offset));
SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, ValEltVT, ValOp,
DAG.getIntPtrConstant(0));
StChain.push_back(DAG.getTruncStore(Chain, dl, EOp, NewBasePtr, SV,
SVOffset + Offset, StEltVT,
isVolatile, isNonTemporal,
StChain.push_back(DAG.getTruncStore(Chain, dl, EOp, NewBasePtr,
ST->getPointerInfo().getWithOffset(Offset),
StEltVT, isVolatile, isNonTemporal,
MinAlign(Align, Offset)));
}
}

10
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -4052,16 +4052,6 @@ SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val,
return SDValue(N, 0);
}
SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val,
SDValue Ptr, const Value *SV,
int SVOffset, EVT SVT,
bool isVolatile, bool isNonTemporal,
unsigned Alignment) {
return getTruncStore(Chain, dl, Val, Ptr, MachinePointerInfo(SV, SVOffset),
SVT, isVolatile, isNonTemporal, Alignment);
}
SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val,
SDValue Ptr, MachinePointerInfo PtrInfo,
EVT SVT,bool isVolatile, bool isNonTemporal,

9
lib/Target/Alpha/AlphaISelLowering.cpp
View File

@ -558,7 +558,8 @@ void AlphaTargetLowering::LowerVAARG(SDNode *N, SDValue &Chain,
SDValue NewOffset = DAG.getNode(ISD::ADD, dl, MVT::i64, Offset,
DAG.getConstant(8, MVT::i64));
Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp, NULL, 0,
Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp,
MachinePointerInfo(),
MVT::i32, false, false, 0);
}
@ -734,7 +735,8 @@ SDValue AlphaTargetLowering::LowerOperation(SDValue Op,
NP, MachinePointerInfo(), MVT::i32, false, false, 0);
SDValue NPD = DAG.getNode(ISD::ADD, dl, MVT::i64, DestP,
DAG.getConstant(8, MVT::i64));
return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD, NULL, 0, MVT::i32,
return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD,
MachinePointerInfo(), MVT::i32,
false, false, 0);
}
case ISD::VASTART: {
@ -754,7 +756,8 @@ SDValue AlphaTargetLowering::LowerOperation(SDValue Op,
return DAG.getTruncStore(S1, dl,
DAG.getConstant(FuncInfo->getVarArgsOffset(),
MVT::i64),
SA2, NULL, 0, MVT::i32, false, false, 0);
SA2, MachinePointerInfo(),
MVT::i32, false, false, 0);
}
case ISD::RETURNADDR:
return DAG.getNode(AlphaISD::GlobalRetAddr, DebugLoc(), MVT::i64);

10
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -1406,15 +1406,17 @@ SDValue PPCTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG,
// Store first byte : number of int regs
SDValue firstStore = DAG.getTruncStore(Op.getOperand(0), dl, ArgGPR,
Op.getOperand(1), SV, 0, MVT::i8,
false, false, 0);
Op.getOperand(1),
MachinePointerInfo(SV),
MVT::i8, false, false, 0);
uint64_t nextOffset = FPROffset;
SDValue nextPtr = DAG.getNode(ISD::ADD, dl, PtrVT, Op.getOperand(1),
ConstFPROffset);
// Store second byte : number of float regs
SDValue secondStore =
DAG.getTruncStore(firstStore, dl, ArgFPR, nextPtr, SV, nextOffset, MVT::i8,
DAG.getTruncStore(firstStore, dl, ArgFPR, nextPtr,
MachinePointerInfo(SV, nextOffset), MVT::i8,
false, false, 0);
nextOffset += StackOffset;
nextPtr = DAG.getNode(ISD::ADD, dl, PtrVT, nextPtr, ConstStackOffset);
@ -1919,7 +1921,7 @@ PPCTargetLowering::LowerFormalArguments_Darwin(
unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
NULL, 0,
MachinePointerInfo(),
ObjSize==1 ? MVT::i8 : MVT::i16,
false, false, 0);
MemOps.push_back(Store);

5
lib/Target/XCore/XCoreISelLowering.cpp
View File

@ -512,18 +512,17 @@ LowerSTORE(SDValue Op, SelectionDAG &DAG) const
DebugLoc dl = Op.getDebugLoc();
if (ST->getAlignment() == 2) {
int SVOffset = ST->getSrcValueOffset();
SDValue Low = Value;
SDValue High = DAG.getNode(ISD::SRL, dl, MVT::i32, Value,
DAG.getConstant(16, MVT::i32));
SDValue StoreLow = DAG.getTruncStore(Chain, dl, Low, BasePtr,
ST->getSrcValue(), SVOffset, MVT::i16,
ST->getPointerInfo(), MVT::i16,
ST->isVolatile(), ST->isNonTemporal(),
2);
SDValue HighAddr = DAG.getNode(ISD::ADD, dl, MVT::i32, BasePtr,
DAG.getConstant(2, MVT::i32));
SDValue StoreHigh = DAG.getTruncStore(Chain, dl, High, HighAddr,
ST->getSrcValue(), SVOffset + 2,
ST->getPointerInfo().getWithOffset(2),
MVT::i16, ST->isVolatile(),
ST->isNonTemporal(), 2);
return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, StoreLow, StoreHigh);