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authorDavid Majnemer <david.majnemer@gmail.com>2013-04-30 10:36:33 +0000
committerDavid Majnemer <david.majnemer@gmail.com>2013-04-30 10:36:33 +0000
commit527db3f26b2b5fc3855ff671344e9691cbd54d37 (patch)
tree0c7760e0f72ca984ce9bdf21ce2b0cf668229d77 /lib/Transforms/InstCombine/InstCombineSelect.cpp
parent62d77858be88ca011b55f5b350152bf04d1ca7db (diff)
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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
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineSelect.cpp')
-rw-r--r--lib/Transforms/InstCombine/InstCombineSelect.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineSelect.cpp b/lib/Transforms/InstCombine/InstCombineSelect.cpp
index a34b73ace4..2defe631ae 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) ||