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| author | Michael Berg <michael_c_berg@apple.com> | 2018-08-20 22:26:58 +0000 |
|---|---|---|
| committer | Michael Berg <michael_c_berg@apple.com> | 2018-08-20 22:26:58 +0000 |
| commit | 0b838deddcfcb72b718728502e452da99c1b1c28 (patch) | |
| tree | ef56410a3d405e0cb2baf4bf70b920aeeded2ab8 /llvm/lib/Transforms | |
| parent | 030ad37ef46a298287da6a5c78d62d54e2d77599 (diff) | |
| download | bcm5719-llvm-0b838deddcfcb72b718728502e452da99c1b1c28.tar.gz bcm5719-llvm-0b838deddcfcb72b718728502e452da99c1b1c28.zip | |
extend binop folds for selects to include true and false binops flag intersection
Summary: This change address bug 38641
Reviewers: spatel, wristow
Reviewed By: spatel
Differential Revision: https://reviews.llvm.org/D50996
llvm-svn: 340222
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp index 04fa2f95182..f09a67d96f3 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -355,7 +355,8 @@ Instruction *InstCombiner::foldSelectOpOp(SelectInst &SI, Instruction *TI, Value *Op1 = MatchIsOpZero ? NewSI : MatchOp; if (auto *BO = dyn_cast<BinaryOperator>(TI)) { BinaryOperator *NewBO = BinaryOperator::Create(BO->getOpcode(), Op0, Op1); - NewBO->copyIRFlags(BO); + NewBO->copyIRFlags(TI); + NewBO->andIRFlags(FI); return NewBO; } if (auto *TGEP = dyn_cast<GetElementPtrInst>(TI)) { |
