xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/2014-03-18-Maxlookup-reached.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn  -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; PR15967
4*9880d681SAndroid Build Coastguard Worker; BasicAA claims no alias when there is (due to a problem when the MaxLookup
5*9880d681SAndroid Build Coastguard Worker; limit was reached).
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e"
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker%struct.foo = type { i32, i32 }
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerdefine i32 @main() {
12*9880d681SAndroid Build Coastguard Worker  %t = alloca %struct.foo, align 4
13*9880d681SAndroid Build Coastguard Worker  %1 = getelementptr inbounds %struct.foo, %struct.foo* %t, i32 0, i32 0
14*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %1, align 4
15*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr inbounds %struct.foo, %struct.foo* %t, i64 1
16*9880d681SAndroid Build Coastguard Worker  %3 = bitcast %struct.foo* %2 to i8*
17*9880d681SAndroid Build Coastguard Worker  %4 = getelementptr inbounds i8, i8* %3, i32 -1
18*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %4
19*9880d681SAndroid Build Coastguard Worker  %5 = getelementptr inbounds i8, i8* %4, i32 -1
20*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %5
21*9880d681SAndroid Build Coastguard Worker  %6 = getelementptr inbounds i8, i8* %5, i32 -1
22*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %6
23*9880d681SAndroid Build Coastguard Worker  %7 = getelementptr inbounds i8, i8* %6, i32 -1
24*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %7
25*9880d681SAndroid Build Coastguard Worker  %8 = getelementptr inbounds i8, i8* %7, i32 -1
26*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %8
27*9880d681SAndroid Build Coastguard Worker  %9 = getelementptr inbounds i8, i8* %8, i32 -1
28*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %9
29*9880d681SAndroid Build Coastguard Worker  %10 = getelementptr inbounds i8, i8* %9, i32 -1
30*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %10
31*9880d681SAndroid Build Coastguard Worker  %11 = getelementptr inbounds i8, i8* %10, i32 -1
32*9880d681SAndroid Build Coastguard Worker  store i8 0, i8* %11
33*9880d681SAndroid Build Coastguard Worker  %12 = load i32, i32* %1, align 4
34*9880d681SAndroid Build Coastguard Worker  ret i32 %12
35*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 %12
36*9880d681SAndroid Build Coastguard Worker}
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