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
|
; RUN: opt < %s -aa-pipeline=basic-aa,scoped-noalias-aa -passes=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(ptr nocapture %a, ptr nocapture readonly %c) #0 {
entry:
; CHECK-LABEL: Function: foo1
%0 = load float, ptr %c, align 4, !alias.scope !2
%arrayidx.i = getelementptr inbounds float, ptr %a, i64 5
store float %0, ptr %arrayidx.i, align 4, !noalias !2
%1 = load float, ptr %c, align 4
%arrayidx = getelementptr inbounds float, ptr %a, i64 7
store float %1, ptr %arrayidx, align 4
ret void
; CHECK: NoAlias: %0 = load float, ptr %c, align 4, !alias.scope !0 <-> store float %0, ptr %arrayidx.i, align 4, !noalias !0
; CHECK: MayAlias: %0 = load float, ptr %c, align 4, !alias.scope !0 <-> store float %1, ptr %arrayidx, align 4
; CHECK: MayAlias: %1 = load float, ptr %c, align 4 <-> store float %0, ptr %arrayidx.i, align 4, !noalias !0
; CHECK: MayAlias: %1 = load float, ptr %c, align 4 <-> store float %1, ptr %arrayidx, align 4
; CHECK: NoAlias: store float %1, ptr %arrayidx, align 4 <-> store float %0, ptr %arrayidx.i, align 4, !noalias !0
}
attributes #0 = { nounwind uwtable }
!0 = !{!0, !"some domain"}
!1 = !{!1, !0, !"some scope"}
!2 = !{!1}
|
