1; RUN: opt -codegenprepare -S < %s | FileCheck %s
2
3@tmp = global i8 0
4
5; CHECK-LABEL: define void @foo() {
6define void @foo() {
7enter:
8  ; CHECK-NOT: !invariant.group
9  ; CHECK-NOT: @llvm.launder.invariant.group.p0i8(
10  ; CHECK: %val = load i8, i8* @tmp{{$}}
11  %val = load i8, i8* @tmp, !invariant.group !0
12  %ptr = call i8* @llvm.launder.invariant.group.p0i8(i8* @tmp)
13
14  ; CHECK: store i8 42, i8* @tmp{{$}}
15  store i8 42, i8* %ptr, !invariant.group !0
16
17  ret void
18}
19; CHECK-LABEL: }
20
21; CHECK-LABEL: define void @foo2() {
22define void @foo2() {
23enter:
24  ; CHECK-NOT: !invariant.group
25  ; CHECK-NOT: @llvm.strip.invariant.group.p0i8(
26  ; CHECK: %val = load i8, i8* @tmp{{$}}
27  %val = load i8, i8* @tmp, !invariant.group !0
28  %ptr = call i8* @llvm.strip.invariant.group.p0i8(i8* @tmp)
29
30  ; CHECK: store i8 42, i8* @tmp{{$}}
31  store i8 42, i8* %ptr, !invariant.group !0
32
33  ret void
34}
35; CHECK-LABEL: }
36
37
38declare i8* @llvm.launder.invariant.group.p0i8(i8*)
39declare i8* @llvm.strip.invariant.group.p0i8(i8*)
40!0 = !{}
41