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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 | cb2a1a34e255a32ea4b68063ee61868dcca219a3 (patch) | |
| tree | 53e982206e1466e187e093da808123e5264aa800 /llvm/lib/Transforms | |
| parent | 66b7c5959368748a19531f734bebe73977b79d31 (diff) | |
| download | bcm5719-llvm-cb2a1a34e255a32ea4b68063ee61868dcca219a3.tar.gz bcm5719-llvm-cb2a1a34e255a32ea4b68063ee61868dcca219a3.zip | |
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.
llvm-svn: 156231
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp index 39279f43720..d07be2c8b38 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/llvm/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; |
