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| author | Mon P Wang <wangmp@apple.com> | 2010-04-04 03:10:48 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2010-04-04 03:10:48 +0000 |
| commit | 483af3c218eaedddcf8873e6af35eba739f593ab (patch) | |
| tree | c81e72410ac01f2e03fd51beb30a6fa0220fe32b /lib/Target/X86/X86ISelLowering.cpp | |
| parent | 6d718817f982b804ff516e43a47f38aa78d2a4a9 (diff) | |
| download | external_llvm-483af3c218eaedddcf8873e6af35eba739f593ab.zip external_llvm-483af3c218eaedddcf8873e6af35eba739f593ab.tar.gz external_llvm-483af3c218eaedddcf8873e6af35eba739f593ab.tar.bz2 | |
Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 527e19b..3eaf64d 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1434,7 +1434,8 @@ CreateCopyOfByValArgument(SDValue Src, SDValue Dst, SDValue Chain, DebugLoc dl) { SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32); return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(), - /*AlwaysInline=*/true, NULL, 0, NULL, 0); + /*isVolatile*/false, /*AlwaysInline=*/true, + NULL, 0, NULL, 0); } /// IsTailCallConvention - Return true if the calling convention is one that @@ -6548,6 +6549,7 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, unsigned Align, + bool isVolatile, const Value *DstSV, uint64_t DstSVOff) { ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size); @@ -6676,7 +6678,7 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl, DAG.getConstant(Offset, AddrVT)), Src, DAG.getConstant(BytesLeft, SizeVT), - Align, DstSV, DstSVOff + Offset); + Align, isVolatile, DstSV, DstSVOff + Offset); } // TODO: Use a Tokenfactor, as in memcpy, instead of a single chain. @@ -6687,7 +6689,7 @@ SDValue X86TargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, unsigned Align, - bool AlwaysInline, + bool isVolatile, bool AlwaysInline, const Value *DstSV, uint64_t DstSVOff, const Value *SrcSV, uint64_t SrcSVOff) { // This requires the copy size to be a constant, preferrably @@ -6746,7 +6748,7 @@ X86TargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl, DAG.getNode(ISD::ADD, dl, SrcVT, Src, DAG.getConstant(Offset, SrcVT)), DAG.getConstant(BytesLeft, SizeVT), - Align, AlwaysInline, + Align, isVolatile, AlwaysInline, DstSV, DstSVOff + Offset, SrcSV, SrcSVOff + Offset)); } @@ -6829,8 +6831,8 @@ SDValue X86TargetLowering::LowerVACOPY(SDValue Op, SelectionDAG &DAG) { DebugLoc dl = Op.getDebugLoc(); return DAG.getMemcpy(Chain, dl, DstPtr, SrcPtr, - DAG.getIntPtrConstant(24), 8, false, - DstSV, 0, SrcSV, 0); + DAG.getIntPtrConstant(24), 8, /*isVolatile*/false, + false, DstSV, 0, SrcSV, 0); } SDValue |