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| author | Stepan Dyatkovskiy <stpworld@narod.ru> | 2012-05-05 07:09:40 +0000 |
|---|---|---|
| committer | Stepan Dyatkovskiy <stpworld@narod.ru> | 2012-05-05 07:09:40 +0000 |
| commit | 3f71cf14b224d8c4f5634296ab785e227ba3c03c (patch) | |
| tree | 0c830e686cc19888fcb67df800b07c610e0e57d9 /lib/Transforms/InstCombine/InstCombineCasts.cpp | |
| parent | f2eed387d48e36f12a9945c6b71b20bdc7f46e3a (diff) | |
| download | external_llvm-3f71cf14b224d8c4f5634296ab785e227ba3c03c.zip external_llvm-3f71cf14b224d8c4f5634296ab785e227ba3c03c.tar.gz external_llvm-3f71cf14b224d8c4f5634296ab785e227ba3c03c.tar.bz2 | |
Small fix in InstCombineCasts.cpp. Restored "alloca + bitcast" reducing for case when alloca's size is calculated within the "add/sub/... nsw".
Also added fix to 2011-06-13-nsw-alloca.ll test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156231 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCasts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index 39279f4..d07be2c 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -34,7 +34,7 @@ static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, if (BinaryOperator *I = dyn_cast<BinaryOperator>(Val)) { // Cannot look past anything that might overflow. OverflowingBinaryOperator *OBI = dyn_cast<OverflowingBinaryOperator>(Val); - if (OBI && !OBI->hasNoUnsignedWrap()) { + if (OBI && !OBI->hasNoUnsignedWrap() && !OBI->hasNoSignedWrap()) { Scale = 1; Offset = 0; return Val; |