; RUN: opt -passes='require<profile-summary>,function(codegenprepare)' -S -mtriple=x86_64 < %s | FileCheck %s
@tmp = global i8 0
; CHECK-LABEL: define void @foo() {
define void @foo() {
enter:
; CHECK-NOT: !invariant.group
; CHECK-NOT: @llvm.launder.invariant.group.p0(
; CHECK: %val = load i8, ptr @tmp, align 1{{$}}
%val = load i8, ptr @tmp, !invariant.group !0
%ptr = call ptr @llvm.launder.invariant.group.p0(ptr @tmp)
; CHECK: store i8 42, ptr @tmp, align 1{{$}}
store i8 42, ptr %ptr, !invariant.group !0
ret void
}
; CHECK-LABEL: }
; CHECK-LABEL: define void @foo2() {
define void @foo2() {
enter:
; CHECK-NOT: !invariant.group
; CHECK-NOT: @llvm.strip.invariant.group.p0(
; CHECK: %val = load i8, ptr @tmp, align 1{{$}}
%val = load i8, ptr @tmp, !invariant.group !0
%ptr = call ptr @llvm.strip.invariant.group.p0(ptr @tmp)
; CHECK: store i8 42, ptr @tmp, align 1{{$}}
store i8 42, ptr %ptr, !invariant.group !0
ret void
}
; CHECK-LABEL: }
declare ptr @llvm.launder.invariant.group.p0(ptr)
declare ptr @llvm.strip.invariant.group.p0(ptr)
!0 = !{}