1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
| ; Skip dead MemoryPhis when performing memory congruency verification
; in NewGVN.
; RUN: opt -S -newgvn %s | FileCheck %s
; REQUIRES: asserts
; CHECK: define void @tinkywinky() {
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 false, label %body, label %end
; CHECK: body:
; CHECK-NEXT: store i8 undef, i8* null
; CHECK-NEXT: br label %end
; CHECK: end:
; CHECK-NEXT: ret void
; CHECK-NEXT: }
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
define void @tinkywinky() {
entry:
call void @llvm.lifetime.start.p0i8(i64 4, i8* undef)
br i1 false, label %body, label %end
body:
call void @llvm.lifetime.start.p0i8(i64 4, i8* undef)
br label %end
end:
ret void
}
|