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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
; RUN: opt < %s -basicaa -scoped-noalias -aa-eval -evaluate-aa-metadata -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @foo1(float* nocapture %a, float* nocapture readonly %c) #0 {
entry:
; CHECK-LABEL: Function: foo1
%0 = load float, float* %c, align 4, !alias.scope !9
%arrayidx.i = getelementptr inbounds float, float* %a, i64 5
store float %0, float* %arrayidx.i, align 4, !noalias !6
%1 = load float, float* %c, align 4, !alias.scope !5
%arrayidx.i2 = getelementptr inbounds float, float* %a, i64 15
store float %1, float* %arrayidx.i2, align 4, !noalias !6
%2 = load float, float* %c, align 4, !alias.scope !6
%arrayidx.i3 = getelementptr inbounds float, float* %a, i64 16
store float %2, float* %arrayidx.i3, align 4, !noalias !5
ret void
}
attributes #0 = { nounwind uwtable }
!0 = !{!0, !"some domain"}
!1 = !{!1, !"some other domain"}
; Two scopes (which must be self-referential to avoid being "uniqued"):
!2 = !{!2, !0, !"a scope in dom0"}
!3 = !{!2}
!4 = !{!4, !0, !"another scope in dom0"}
!5 = !{!4}
; A list of the two scopes.
!6 = !{!2, !4}
; Another scope in the second domain
!7 = !{!7, !1, !"another scope in dom1"}
!8 = !{!7}
; A list of scopes from both domains.
!9 = !{!2, !4, !7}
; CHECK: NoAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
; CHECK: NoAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
; CHECK: MayAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
; CHECK: NoAlias: %1 = load float, float* %c, align 4, !alias.scope !7 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
; CHECK: NoAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
; CHECK: NoAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
; CHECK: MayAlias: %2 = load float, float* %c, align 4, !alias.scope !6 <-> store float %2, float* %arrayidx.i3, align 4, !noalias !7
; CHECK: NoAlias: store float %1, float* %arrayidx.i2, align 4, !noalias !6 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
; CHECK: NoAlias: store float %2, float* %arrayidx.i3, align 4, !noalias !7 <-> store float %0, float* %arrayidx.i, align 4, !noalias !6
; CHECK: NoAlias: store float %2, float* %arrayidx.i3, align 4, !noalias !7 <-> store float %1, float* %arrayidx.i2, align 4, !noalias !6
|
