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path: root/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
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Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp')
-rw-r--r--lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
index 422ffd03a8..2d13298300 100644
--- a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
+++ b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
@@ -200,14 +200,15 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) {
//
if (SelectInst *SI = dyn_cast<SelectInst>(Op)) {
// load (select (Cond, &V1, &V2)) --> select(Cond, load &V1, load &V2).
- if (isSafeToLoadUnconditionally(SI->getOperand(1), SI, TD) &&
- isSafeToLoadUnconditionally(SI->getOperand(2), SI, TD)) {
+ unsigned Align = LI.getAlignment();
+ if (isSafeToLoadUnconditionally(SI->getOperand(1), SI, Align, TD) &&
+ isSafeToLoadUnconditionally(SI->getOperand(2), SI, Align, TD)) {
LoadInst *V1 = Builder->CreateLoad(SI->getOperand(1),
- SI->getOperand(1)->getName()+".val");
+ SI->getOperand(1)->getName()+".val");
LoadInst *V2 = Builder->CreateLoad(SI->getOperand(2),
- SI->getOperand(2)->getName()+".val");
- V1->setAlignment(LI.getAlignment());
- V2->setAlignment(LI.getAlignment());
+ SI->getOperand(2)->getName()+".val");
+ V1->setAlignment(Align);
+ V2->setAlignment(Align);
return SelectInst::Create(SI->getCondition(), V1, V2);
}