xref: /llvm-project/llvm/test/Analysis/BasicAA/phi-spec-order.ll (revision 303c308e452c703c3d47940383ded3b2d3eefd56)
1target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
2target triple = "powerpc64le-unknown-linux"
3; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
4
5@X = external global [16000 x double], align 32
6@Y = external global [16000 x double], align 32
7
8; CHECK: NoAlias: [16000 x double]* %lsr.iv1, [16000 x double]* %lsr.iv4
9; CHECK: NoAlias: <4 x double>* %scevgep11, <4 x double>* %scevgep7
10; CHECK: NoAlias: <4 x double>* %scevgep10, <4 x double>* %scevgep7
11; CHECK: NoAlias: <4 x double>* %scevgep7, <4 x double>* %scevgep9
12; CHECK: NoAlias: <4 x double>* %scevgep11, <4 x double>* %scevgep3
13; CHECK: NoAlias: <4 x double>* %scevgep10, <4 x double>* %scevgep3
14; CHECK: NoAlias: <4 x double>* %scevgep3, <4 x double>* %scevgep9
15; CHECK: NoAlias: double* %scevgep, double* %scevgep5
16define signext i32 @s000() nounwind {
17entry:
18  br label %for.cond2.preheader
19
20for.cond2.preheader:                              ; preds = %for.end, %entry
21  %nl.018 = phi i32 [ 0, %entry ], [ %inc9, %for.end ]
22  br label %for.body4
23
24for.body4:                                        ; preds = %for.body4, %for.cond2.preheader
25  %lsr.iv4 = phi ptr [ %scevgep5, %for.body4 ], [ getelementptr inbounds ([16000 x double], ptr @Y, i64 0, i64 8), %for.cond2.preheader ]
26  %lsr.iv1 = phi ptr [ %scevgep, %for.body4 ], [ @X, %for.cond2.preheader ]
27
28  %lsr.iv = phi i32 [ %lsr.iv.next, %for.body4 ], [ 16000, %for.cond2.preheader ]
29  load [16000 x double], ptr %lsr.iv4
30  load [16000 x double], ptr %lsr.iv1
31  %scevgep11 = getelementptr <4 x double>, ptr %lsr.iv4, i64 -2
32  %i6 = load <4 x double>, ptr %scevgep11, align 32
33  %add = fadd <4 x double> %i6, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
34  store <4 x double> %add, ptr %lsr.iv1, align 32
35  %scevgep10 = getelementptr <4 x double>, ptr %lsr.iv4, i64 -1
36  %i7 = load <4 x double>, ptr %scevgep10, align 32
37  %add.4 = fadd <4 x double> %i7, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
38  %scevgep9 = getelementptr <4 x double>, ptr %lsr.iv1, i64 1
39  store <4 x double> %add.4, ptr %scevgep9, align 32
40  %i8 = load <4 x double>, ptr %lsr.iv4, align 32
41  %add.8 = fadd <4 x double> %i8, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
42  %scevgep8 = getelementptr <4 x double>, ptr %lsr.iv1, i64 2
43  store <4 x double> %add.8, ptr %scevgep8, align 32
44  %scevgep7 = getelementptr <4 x double>, ptr %lsr.iv4, i64 1
45  %i9 = load <4 x double>, ptr %scevgep7, align 32
46  %add.12 = fadd <4 x double> %i9, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
47  %scevgep3 = getelementptr <4 x double>, ptr %lsr.iv1, i64 3
48  store <4 x double> %add.12, ptr %scevgep3, align 32
49
50  %lsr.iv.next = add i32 %lsr.iv, -16
51  %scevgep = getelementptr [16000 x double], ptr %lsr.iv1, i64 0, i64 16
52  load double, ptr %scevgep
53  %scevgep5 = getelementptr [16000 x double], ptr %lsr.iv4, i64 0, i64 16
54  load double, ptr %scevgep5
55  %exitcond.15 = icmp eq i32 %lsr.iv.next, 0
56  br i1 %exitcond.15, label %for.end, label %for.body4
57
58for.end:                                          ; preds = %for.body4
59  %inc9 = add nsw i32 %nl.018, 1
60  %exitcond = icmp eq i32 %inc9, 400000
61  br i1 %exitcond, label %for.end10, label %for.cond2.preheader
62
63for.end10:                                        ; preds = %for.end
64  ret i32 0
65}
66