xref: /llvm-project/llvm/test/Analysis/BasicAA/bug.23626.ll (revision 05ff7606c9d47135ecf5b69e25b1327634f6fa27)
1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
3target triple = "x86_64-apple-darwin13.4.0"
4
5; CHECK-LABEL: compute1
6; CHECK: MayAlias:	i32* %arrayidx8, i32* %out
7; CHECK: NoAlias:	i32* %arrayidx11, i32* %out
8; CHECK: MayAlias:	i32* %arrayidx11, i32* %arrayidx8
9; CHECK: NoAlias:	i32* %arrayidx14, i32* %out
10; CHECK: MayAlias:	i32* %arrayidx14, i32* %arrayidx8
11; CHECK: MayAlias:	i32* %arrayidx11, i32* %arrayidx14
12define void @compute1(i32 %num.0.lcssa, ptr %out) {
13  %idxprom = zext i32 %num.0.lcssa to i64
14  %arrayidx8 = getelementptr inbounds i32, ptr %out, i64 %idxprom
15  %add9 = or i32 %num.0.lcssa, 1
16  %idxprom10 = zext i32 %add9 to i64
17  %arrayidx11 = getelementptr inbounds i32, ptr %out, i64 %idxprom10
18  %add12 = or i32 %num.0.lcssa, 2
19  %idxprom13 = zext i32 %add12 to i64
20  %arrayidx14 = getelementptr inbounds i32, ptr %out, i64 %idxprom13
21  load i32, ptr %out
22  load i32, ptr %arrayidx8
23  load i32, ptr %arrayidx11
24  load i32, ptr %arrayidx14
25  ret void
26}
27
28; CHECK-LABEL: compute2
29; CHECK: MayAlias: i32* %arrayidx11, i32* %out.addr
30define void @compute2(i32 %num, ptr %out.addr) {
31  %add9 = add i32 %num, 1
32  %idxprom10 = zext i32 %add9 to i64
33  %arrayidx11 = getelementptr inbounds i32, ptr %out.addr, i64 %idxprom10
34  load i32, ptr %out.addr
35  load i32, ptr %arrayidx11
36  ret void
37}
38