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comparison test/Analysis/BasicAA/2014-03-18-Maxlookup-reached.ll @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
34:e874dbf0ad9d 77:54457678186b
1 ; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
2
3 ; PR15967
4 ; BasicAA claims no alias when there is (due to a problem when the MaxLookup
5 ; limit was reached).
6
7 target datalayout = "e"
8
9 %struct.foo = type { i32, i32 }
10
11 define i32 @main() {
12 %t = alloca %struct.foo, align 4
13 %1 = getelementptr inbounds %struct.foo* %t, i32 0, i32 0
14 store i32 1, i32* %1, align 4
15 %2 = getelementptr inbounds %struct.foo* %t, i64 1
16 %3 = bitcast %struct.foo* %2 to i8*
17 %4 = getelementptr inbounds i8* %3, i32 -1
18 store i8 0, i8* %4
19 %5 = getelementptr inbounds i8* %4, i32 -1
20 store i8 0, i8* %5
21 %6 = getelementptr inbounds i8* %5, i32 -1
22 store i8 0, i8* %6
23 %7 = getelementptr inbounds i8* %6, i32 -1
24 store i8 0, i8* %7
25 %8 = getelementptr inbounds i8* %7, i32 -1
26 store i8 0, i8* %8
27 %9 = getelementptr inbounds i8* %8, i32 -1
28 store i8 0, i8* %9
29 %10 = getelementptr inbounds i8* %9, i32 -1
30 store i8 0, i8* %10
31 %11 = getelementptr inbounds i8* %10, i32 -1
32 store i8 0, i8* %11
33 %12 = load i32* %1, align 4
34 ret i32 %12
35 ; CHECK: ret i32 %12
36 }