[NFC] Change MemIntrinsicInst::setAlignment() to take an unsigned instead of a Constant

Summary:
 In preparation for https://reviews.llvm.org/D41675 this NFC changes this
prototype of MemIntrinsicInst::setAlignment() to accept an unsigned instead
of a Constant.

llvm-svn: 322403

1 files changed, 2 insertions, 4 deletions

diff --git a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
index 99480f12da9..6c871bb9e7e 100644
--- a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
+++ b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
@@ -374,8 +374,7 @@ bool AlignmentFromAssumptionsPass::processAssumption(CallInst *ACall) {
           NewAlignment = std::max(NewAlignment, AltSrcAlignment);
 
         if (NewAlignment > MI->getAlignment()) {
-          MI->setAlignment(ConstantInt::get(Type::getInt32Ty(
-            MI->getParent()->getContext()), NewAlignment));
+          MI->setAlignment(NewAlignment);
           ++NumMemIntAlignChanged;
         }
 
@@ -385,8 +384,7 @@ bool AlignmentFromAssumptionsPass::processAssumption(CallInst *ACall) {
         assert((!isa<MemIntrinsic>(MI) || isa<MemSetInst>(MI)) &&
                "Unknown memory intrinsic");
 
-        MI->setAlignment(ConstantInt::get(Type::getInt32Ty(
-          MI->getParent()->getContext()), NewDestAlignment));
+        MI->setAlignment(NewDestAlignment);
         ++NumMemIntAlignChanged;
       }
     }