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Rename NonScalarIntSafe to something more appropriate. 

llvm-svn: 143080
This commit is contained in:
Lang Hames 2011-10-26 23:50:43 +00:00
parent a486f44733
commit 58dba012b6
6 changed files with 15 additions and 15 deletions
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4
llvm/include/llvm/Target/TargetLowering.h
View File

@ -646,7 +646,7 @@ public:
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// 'IsZeroVal' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
/// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
/// constant so it does not need to be loaded.
@ -654,7 +654,7 @@ public:
/// target-independent logic.
virtual EVT getOptimalMemOpType(uint64_t /*Size*/,
unsigned /*DstAlign*/, unsigned /*SrcAlign*/,
bool /*NonScalarIntSafe*/,
bool /*IsZeroVal*/,
bool /*MemcpyStrSrc*/,
MachineFunction &/*MF*/) const {
return MVT::Other;

8
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -3345,7 +3345,7 @@ static bool isMemSrcFromString(SDValue Src, std::string &Str) {
static bool FindOptimalMemOpLowering(std::vector<EVT> &MemOps,
unsigned Limit, uint64_t Size,
unsigned DstAlign, unsigned SrcAlign,
bool NonScalarIntSafe,
bool IsZeroVal,
bool MemcpyStrSrc,
SelectionDAG &DAG,
const TargetLowering &TLI) {
@ -3359,7 +3359,7 @@ static bool FindOptimalMemOpLowering(std::vector<EVT> &MemOps,
// 'MemcpyStrSrc' indicates whether the memcpy source is constant so it does
// not need to be loaded.
EVT VT = TLI.getOptimalMemOpType(Size, DstAlign, SrcAlign,
NonScalarIntSafe, MemcpyStrSrc,
IsZeroVal, MemcpyStrSrc,
DAG.getMachineFunction());
if (VT == MVT::Other) {
@ -3606,11 +3606,11 @@ static SDValue getMemsetStores(SelectionDAG &DAG, DebugLoc dl,
FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
DstAlignCanChange = true;
bool NonScalarIntSafe =
bool IsZeroVal =
isa<ConstantSDNode>(Src) && cast<ConstantSDNode>(Src)->isNullValue();
if (!FindOptimalMemOpLowering(MemOps, TLI.getMaxStoresPerMemset(OptSize),
Size, (DstAlignCanChange ? 0 : Align), 0,
NonScalarIntSafe, false, DAG, TLI))
IsZeroVal, false, DAG, TLI))
return SDValue();
if (DstAlignCanChange) {

4
llvm/lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -5774,7 +5774,7 @@ PPCTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// 'IsZeroVal' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
/// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
/// constant so it does not need to be loaded.
@ -5782,7 +5782,7 @@ PPCTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
/// target-independent logic.
EVT PPCTargetLowering::getOptimalMemOpType(uint64_t Size,
unsigned DstAlign, unsigned SrcAlign,
bool NonScalarIntSafe,
bool IsZeroVal,
bool MemcpyStrSrc,
MachineFunction &MF) const {
if (this->PPCSubTarget.isPPC64()) {

4
llvm/lib/Target/PowerPC/PPCISelLowering.h
View File

@ -353,7 +353,7 @@ namespace llvm {
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// 'IsZeroVal' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
/// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
/// constant so it does not need to be loaded.
@ -361,7 +361,7 @@ namespace llvm {
/// target-independent logic.
virtual EVT
getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
bool NonScalarIntSafe, bool MemcpyStrSrc,
bool IsZeroVal, bool MemcpyStrSrc,
MachineFunction &MF) const;
private:

6
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -1232,7 +1232,7 @@ unsigned X86TargetLowering::getByValTypeAlignment(Type *Ty) const {
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// 'IsZeroVal' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
/// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
/// constant so it does not need to be loaded.
@ -1241,14 +1241,14 @@ unsigned X86TargetLowering::getByValTypeAlignment(Type *Ty) const {
EVT
X86TargetLowering::getOptimalMemOpType(uint64_t Size,
unsigned DstAlign, unsigned SrcAlign,
bool NonScalarIntSafe,
bool IsZeroVal,
bool MemcpyStrSrc,
MachineFunction &MF) const {
// FIXME: This turns off use of xmm stores for memset/memcpy on targets like
// linux. This is because the stack realignment code can't handle certain
// cases like PR2962. This should be removed when PR2962 is fixed.
const Function *F = MF.getFunction();
if (NonScalarIntSafe &&
if (IsZeroVal &&
!F->hasFnAttr(Attribute::NoImplicitFloat)) {
if (Size >= 16 &&
(Subtarget->isUnalignedMemAccessFast() ||

4
llvm/lib/Target/X86/X86ISelLowering.h
View File

@ -533,7 +533,7 @@ namespace llvm {
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// 'IsZeroVal' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
/// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
/// constant so it does not need to be loaded.
@ -541,7 +541,7 @@ namespace llvm {
/// target-independent logic.
virtual EVT
getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
bool NonScalarIntSafe, bool MemcpyStrSrc,
bool IsZeroVal, bool MemcpyStrSrc,
MachineFunction &MF) const;
/// allowsUnalignedMemoryAccesses - Returns true if the target allows