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| author | David Majnemer <david.majnemer@gmail.com> | 2013-04-30 10:36:33 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2013-04-30 10:36:33 +0000 |
| commit | 527db3f26b2b5fc3855ff671344e9691cbd54d37 (patch) | |
| tree | 0c7760e0f72ca984ce9bdf21ce2b0cf668229d77 | |
| parent | 62d77858be88ca011b55f5b350152bf04d1ca7db (diff) | |
| download | external_llvm-527db3f26b2b5fc3855ff671344e9691cbd54d37.zip external_llvm-527db3f26b2b5fc3855ff671344e9691cbd54d37.tar.gz external_llvm-527db3f26b2b5fc3855ff671344e9691cbd54d37.tar.bz2 | |
Fix a bug in foldSelectICmpAndOr.
Differences in bitwidth between X and Y could exist even if C1 and C2 have
the same Log2 representation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180779 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineSelect.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineSelect.cpp b/lib/Transforms/InstCombine/InstCombineSelect.cpp index a34b73a..2defe63 100644 --- a/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -401,7 +401,8 @@ static Value *foldSelectICmpAndOr(const SelectInst &SI, Value *TrueVal, } else if (C1Log > C2Log) { V = Builder->CreateLShr(V, C1Log - C2Log); V = Builder->CreateZExtOrTrunc(V, Y->getType()); - } + } else + V = Builder->CreateZExtOrTrunc(V, Y->getType()); ICmpInst::Predicate Pred = IC->getPredicate(); if ((Pred == ICmpInst::ICMP_NE && OrOnFalseVal) || |