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| author | Guillaume Chatelet <gchatelet@google.com> | 2019-12-09 17:36:50 +0100 |
|---|---|---|
| committer | Guillaume Chatelet <gchatelet@google.com> | 2019-12-10 15:17:44 +0100 |
| commit | 1b2842bf902a8b52acbef2425120533b63be5ae3 (patch) | |
| tree | f3e2d677e3efb5acde068e69f28fb84741978560 /llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | |
| parent | 707e9707814bfbb0297be4ab1bd4f976aa44ed37 (diff) | |
| download | bcm5719-llvm-1b2842bf902a8b52acbef2425120533b63be5ae3.tar.gz bcm5719-llvm-1b2842bf902a8b52acbef2425120533b63be5ae3.zip | |
[Alignment][NFC] CreateMemSet use MaybeAlign
Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790
Reviewers: courbet
Subscribers: arsenm, jvesely, nhaehnle, hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D71213
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index 44513b1f682..7213c0ca72d 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -624,7 +624,7 @@ Value *LibCallSimplifier::optimizeStrNCpy(CallInst *CI, IRBuilder<> &B) { if (SrcLen == 0) { // strncpy(x, "", y) -> memset(align 1 x, '\0', y) - CallInst *NewCI = B.CreateMemSet(Dst, B.getInt8('\0'), Size, 1); + CallInst *NewCI = B.CreateMemSet(Dst, B.getInt8('\0'), Size, Align::None()); AttrBuilder ArgAttrs(CI->getAttributes().getParamAttributes(0)); NewCI->setAttributes(NewCI->getAttributes().addParamAttributes( CI->getContext(), 0, ArgAttrs)); @@ -1235,7 +1235,8 @@ Value *LibCallSimplifier::optimizeMemSet(CallInst *CI, IRBuilder<> &B) { // memset(p, v, n) -> llvm.memset(align 1 p, v, n) Value *Val = B.CreateIntCast(CI->getArgOperand(1), B.getInt8Ty(), false); - CallInst *NewCI = B.CreateMemSet(CI->getArgOperand(0), Val, Size, 1); + CallInst *NewCI = + B.CreateMemSet(CI->getArgOperand(0), Val, Size, Align::None()); NewCI->setAttributes(CI->getAttributes()); return CI->getArgOperand(0); } @@ -3290,8 +3291,8 @@ Value *FortifiedLibCallSimplifier::optimizeMemSetChk(CallInst *CI, if (isFortifiedCallFoldable(CI, 3, 2)) { Value *Val = B.CreateIntCast(CI->getArgOperand(1), B.getInt8Ty(), false); - CallInst *NewCI = - B.CreateMemSet(CI->getArgOperand(0), Val, CI->getArgOperand(2), 1); + CallInst *NewCI = B.CreateMemSet(CI->getArgOperand(0), Val, + CI->getArgOperand(2), Align::None()); NewCI->setAttributes(CI->getAttributes()); return CI->getArgOperand(0); } |
