xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/sequential-gep.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; CHECK: Function: t1
4*9880d681SAndroid Build Coastguard Worker; CHECK: NoAlias: i32* %gep1, i32* %gep2
5*9880d681SAndroid Build Coastguard Workerdefine void @t1([8 x i32]* %p, i32 %addend, i32* %q) {
6*9880d681SAndroid Build Coastguard Worker  %knownnonzero = load i32, i32* %q, !range !0
7*9880d681SAndroid Build Coastguard Worker  %add = add nsw nuw i32 %addend, %knownnonzero
8*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8 x i32], [8 x i32]* %p, i32 2, i32 %addend
9*9880d681SAndroid Build Coastguard Worker  %gep2 = getelementptr [8 x i32], [8 x i32]* %p, i32 2, i32 %add
10*9880d681SAndroid Build Coastguard Worker  ret void
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK: Function: t2
14*9880d681SAndroid Build Coastguard Worker; CHECK: PartialAlias: i32* %gep1, i32* %gep2
15*9880d681SAndroid Build Coastguard Workerdefine void @t2([8 x i32]* %p, i32 %addend, i32* %q) {
16*9880d681SAndroid Build Coastguard Worker  %knownnonzero = load i32, i32* %q, !range !0
17*9880d681SAndroid Build Coastguard Worker  %add = add nsw nuw i32 %addend, %knownnonzero
18*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8 x i32], [8 x i32]* %p, i32 1, i32 %addend
19*9880d681SAndroid Build Coastguard Worker  %gep2 = getelementptr [8 x i32], [8 x i32]* %p, i32 0, i32 %add
20*9880d681SAndroid Build Coastguard Worker  ret void
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; CHECK: Function: t3
24*9880d681SAndroid Build Coastguard Worker; CHECK: MustAlias: i32* %gep1, i32* %gep2
25*9880d681SAndroid Build Coastguard Workerdefine void @t3([8 x i32]* %p, i32 %addend, i32* %q) {
26*9880d681SAndroid Build Coastguard Worker  %knownnonzero = load i32, i32* %q, !range !0
27*9880d681SAndroid Build Coastguard Worker  %add = add nsw nuw i32 %addend, %knownnonzero
28*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8 x i32], [8 x i32]* %p, i32 0, i32 %add
29*9880d681SAndroid Build Coastguard Worker  %gep2 = getelementptr [8 x i32], [8 x i32]* %p, i32 0, i32 %add
30*9880d681SAndroid Build Coastguard Worker  ret void
31*9880d681SAndroid Build Coastguard Worker}
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Worker; CHECK: Function: t4
34*9880d681SAndroid Build Coastguard Worker; CHECK: PartialAlias: i32* %gep1, i32* %gep2
35*9880d681SAndroid Build Coastguard Workerdefine void @t4([8 x i32]* %p, i32 %addend, i32* %q) {
36*9880d681SAndroid Build Coastguard Worker  %knownnonzero = load i32, i32* %q, !range !0
37*9880d681SAndroid Build Coastguard Worker  %add = add nsw nuw i32 %addend, %knownnonzero
38*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8 x i32], [8 x i32]* %p, i32 1, i32 %addend
39*9880d681SAndroid Build Coastguard Worker  %gep2 = getelementptr [8 x i32], [8 x i32]* %p, i32 %add, i32 %add
40*9880d681SAndroid Build Coastguard Worker  ret void
41*9880d681SAndroid Build Coastguard Worker}
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Worker; CHECK: Function: t5
44*9880d681SAndroid Build Coastguard Worker; CHECK: PartialAlias: i32* %gep2, i64* %bc
45*9880d681SAndroid Build Coastguard Workerdefine void @t5([8 x i32]* %p, i32 %addend, i32* %q) {
46*9880d681SAndroid Build Coastguard Worker  %knownnonzero = load i32, i32* %q, !range !0
47*9880d681SAndroid Build Coastguard Worker  %add = add nsw nuw i32 %addend, %knownnonzero
48*9880d681SAndroid Build Coastguard Worker  %gep1 = getelementptr [8 x i32], [8 x i32]* %p, i32 2, i32 %addend
49*9880d681SAndroid Build Coastguard Worker  %gep2 = getelementptr [8 x i32], [8 x i32]* %p, i32 2, i32 %add
50*9880d681SAndroid Build Coastguard Worker  %bc = bitcast i32* %gep1 to i64*
51*9880d681SAndroid Build Coastguard Worker  ret void
52*9880d681SAndroid Build Coastguard Worker}
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Worker!0 = !{ i32 1, i32 5 }
55