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
|
; RUN: opt < %s -basic-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin13.4.0"
; CHECK-LABEL: compute1
; CHECK: MayAlias: i32* %arrayidx8, i32* %out
; CHECK: NoAlias: i32* %arrayidx11, i32* %out
; CHECK: MayAlias: i32* %arrayidx11, i32* %arrayidx8
; CHECK: NoAlias: i32* %arrayidx14, i32* %out
; CHECK: MayAlias: i32* %arrayidx14, i32* %arrayidx8
; CHECK: MayAlias: i32* %arrayidx11, i32* %arrayidx14
define void @compute1(i32 %num.0.lcssa, i32* %out) {
%idxprom = zext i32 %num.0.lcssa to i64
%arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %idxprom
%add9 = or i32 %num.0.lcssa, 1
%idxprom10 = zext i32 %add9 to i64
%arrayidx11 = getelementptr inbounds i32, i32* %out, i64 %idxprom10
%add12 = or i32 %num.0.lcssa, 2
%idxprom13 = zext i32 %add12 to i64
%arrayidx14 = getelementptr inbounds i32, i32* %out, i64 %idxprom13
ret void
}
; CHECK-LABEL: compute2
; CHECK: MayAlias: i32* %arrayidx11, i32* %out.addr
define void @compute2(i32 %num, i32* %out.addr) {
%add9 = add i32 %num, 1
%idxprom10 = zext i32 %add9 to i64
%arrayidx11 = getelementptr inbounds i32, i32* %out.addr, i64 %idxprom10
ret void
}
|
