1; RUN: opt -mem2reg -S -o - < %s | FileCheck %s
2
3declare void @llvm.lifetime.start(i64 %size, i8* nocapture %ptr)
4declare void @llvm.lifetime.end(i64 %size, i8* nocapture %ptr)
5
6define void @test1() {
7; CHECK: test1
8; CHECK-NOT: alloca
9  %A = alloca i32
10  %B = bitcast i32* %A to i8*
11  call void @llvm.lifetime.start(i64 2, i8* %B)
12  store i32 1, i32* %A
13  call void @llvm.lifetime.end(i64 2, i8* %B)
14  ret void
15}
16
17define void @test2() {
18; CHECK: test2
19; CHECK-NOT: alloca
20  %A = alloca {i8, i16}
21  %B = getelementptr {i8, i16}* %A, i32 0, i32 0
22  call void @llvm.lifetime.start(i64 2, i8* %B)
23  store {i8, i16} zeroinitializer, {i8, i16}* %A
24  call void @llvm.lifetime.end(i64 2, i8* %B)
25  ret void
26}
27