if (const LoadInst *LI = dyn_cast<LoadInst>(U)) {
// Note that atomic loads can be transformed; atomic semantics do
// not have any meaning for a local alloca.
- if (LI->isVolatile())
+ if (LI->isVolatile() || LI->getType() != AI->getAllocatedType())
return false;
} else if (const StoreInst *SI = dyn_cast<StoreInst>(U)) {
if (SI->getValueOperand() == AI ||
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -mem2reg -opaque-pointers < %s | FileCheck %s
+
+define i32 @test_same_type() {
+; CHECK-LABEL: @test_same_type(
+; CHECK-NEXT: ret i32 0
+;
+ %p = alloca i32
+ store i32 0, ptr %p
+ %v = load i32, ptr %p
+ ret i32 %v
+}
+
+define i16 @test_different_type() {
+; CHECK-LABEL: @test_different_type(
+; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4
+; CHECK-NEXT: store i32 0, ptr [[P]], align 4
+; CHECK-NEXT: [[V:%.*]] = load i16, ptr [[P]], align 2
+; CHECK-NEXT: ret i16 [[V]]
+;
+ %p = alloca i32
+ store i32 0, ptr %p
+ %v = load i16, ptr %p
+ ret i16 %v
+}