xref: /llvm-project/llvm/test/Analysis/ScopedNoAliasAA/basic.ll (revision 7cf5581712b24d4aea5dffa2e23f0ed42af1954d)
1; 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
2target 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"
3target triple = "x86_64-unknown-linux-gnu"
4
5define void @foo1(ptr nocapture %a, ptr nocapture readonly %c) #0 {
6entry:
7; CHECK-LABEL: Function: foo1
8  %0 = load float, ptr %c, align 4, !alias.scope !2
9  %arrayidx.i = getelementptr inbounds float, ptr %a, i64 5
10  store float %0, ptr %arrayidx.i, align 4, !noalias !2
11  %1 = load float, ptr %c, align 4
12  %arrayidx = getelementptr inbounds float, ptr %a, i64 7
13  store float %1, ptr %arrayidx, align 4
14  ret void
15
16; CHECK: NoAlias:   %0 = load float, ptr %c, align 4, !alias.scope !0 <->   store float %0, ptr %arrayidx.i, align 4, !noalias !0
17; CHECK: MayAlias:   %0 = load float, ptr %c, align 4, !alias.scope !0 <->   store float %1, ptr %arrayidx, align 4
18; CHECK: MayAlias:   %1 = load float, ptr %c, align 4 <->   store float %0, ptr %arrayidx.i, align 4, !noalias !0
19; CHECK: MayAlias:   %1 = load float, ptr %c, align 4 <->   store float %1, ptr %arrayidx, align 4
20; CHECK: NoAlias:   store float %1, ptr %arrayidx, align 4 <->   store float %0, ptr %arrayidx.i, align 4, !noalias !0
21}
22
23attributes #0 = { nounwind uwtable }
24
25!0 = !{!0, !"some domain"}
26!1 = !{!1, !0, !"some scope"}
27!2 = !{!1}
28