call void @llvm.lifetime.end(i64 2, i8* %B)
ret void
}
-; RUN: opt -mem2reg -S -o - < %s | FileCheck %s
-
-declare void @llvm.lifetime.start(i64 %size, i8* nocapture %ptr)
-declare void @llvm.lifetime.end(i64 %size, i8* nocapture %ptr)
-
-define void @test1() {
-; CHECK: test1
-; CHECK-NOT: alloca
- %A = alloca i32
- %B = bitcast i32* %A to i8*
- call void @llvm.lifetime.start(i64 2, i8* %B)
- store i32 1, i32* %A
- call void @llvm.lifetime.end(i64 2, i8* %B)
- ret void
-}
-
-define void @test2() {
-; CHECK: test2
-; CHECK-NOT: alloca
- %A = alloca {i8, i16}
- %B = getelementptr {i8, i16}* %A, i32 0, i32 0
- call void @llvm.lifetime.start(i64 2, i8* %B)
- store {i8, i16} zeroinitializer, {i8, i16}* %A
- call void @llvm.lifetime.end(i64 2, i8* %B)
- ret void
-}