change the MemIntrinsic get/setAlignment method to take an unsigned

[oota-llvm.git] / lib / Transforms / Scalar / InstructionCombining.cpp

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 09722d9c4926f65b3d70d45c08293ca5bc8f0d9c..86048e6a15e12e881f4b25222071b97295fd8423 100644 (file)
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -9302,10 +9302,10 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) {
   unsigned DstAlign = GetOrEnforceKnownAlignment(MI->getOperand(1));
   unsigned SrcAlign = GetOrEnforceKnownAlignment(MI->getOperand(2));
   unsigned MinAlign = std::min(DstAlign, SrcAlign);
-  unsigned CopyAlign = MI->getAlignment()->getZExtValue();
+  unsigned CopyAlign = MI->getAlignment();
 
   if (CopyAlign < MinAlign) {
-    MI->setAlignment(ConstantInt::get(Type::Int32Ty, MinAlign));
+    MI->setAlignment(MinAlign);
     return MI;
   }
   
@@ -9377,8 +9377,8 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) {
 
 Instruction *InstCombiner::SimplifyMemSet(MemSetInst *MI) {
   unsigned Alignment = GetOrEnforceKnownAlignment(MI->getDest());
-  if (MI->getAlignment()->getZExtValue() < Alignment) {
-    MI->setAlignment(ConstantInt::get(Type::Int32Ty, Alignment));
+  if (MI->getAlignment() < Alignment) {
+    MI->setAlignment(Alignment);
     return MI;
   }
   
@@ -9388,7 +9388,7 @@ Instruction *InstCombiner::SimplifyMemSet(MemSetInst *MI) {
   if (!LenC || !FillC || FillC->getType() != Type::Int8Ty)
     return 0;
   uint64_t Len = LenC->getZExtValue();
-  Alignment = MI->getAlignment()->getZExtValue();
+  Alignment = MI->getAlignment();
   
   // If the length is zero, this is a no-op
   if (Len == 0) return MI; // memset(d,c,0,a) -> noop