xref: /llvm-project/llvm/test/Analysis/LoopAccessAnalysis/invalidation.ll (revision 81d6310da1fc54f0ca0de6fa13246d6071edb0cf)
1*81d6310dSBjorn Pettersson; Test that access-info gets invalidated when the analyses it depends on are
2*81d6310dSBjorn Pettersson; invalidated.
3*81d6310dSBjorn Pettersson
4*81d6310dSBjorn Pettersson; This is a reproducer for https://github.com/llvm/llvm-project/issues/61324.
5*81d6310dSBjorn Pettersson; We want to see that LoopAccessAnalysis+AAManger is being updated at the end,
6*81d6310dSBjorn Pettersson; instead of crashing when using a stale AAManager.
7*81d6310dSBjorn Pettersson;
8*81d6310dSBjorn Pettersson; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<aa>),print<access-info>' 2>&1 | FileCheck %s --check-prefix=CHECK-AA
9*81d6310dSBjorn Pettersson;
10*81d6310dSBjorn Pettersson; CHECK-AA: Running pass: RequireAnalysisPass
11*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
12*81d6310dSBjorn Pettersson; CHECK-AA: Running pass: InvalidateAnalysisPass
13*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Invalidating analysis: AAManager on foo
14*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
15*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Running pass: LoopAccessInfoPrinterPass on foo
16*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
17*81d6310dSBjorn Pettersson; CHECK-AA-NEXT: Running analysis: AAManager on foo
18*81d6310dSBjorn Pettersson
19*81d6310dSBjorn Pettersson
20*81d6310dSBjorn Pettersson; Verify that an explicit invalidate request for access-info result in an
21*81d6310dSBjorn Pettersson; invalidation.
22*81d6310dSBjorn Pettersson;
23*81d6310dSBjorn Pettersson; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<access-info>)' 2>&1 | FileCheck %s --check-prefix=CHECK-INV-AA
24*81d6310dSBjorn Pettersson;
25*81d6310dSBjorn Pettersson; CHECK-INV-AA: Running pass: RequireAnalysisPass
26*81d6310dSBjorn Pettersson; CHECK-INV-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
27*81d6310dSBjorn Pettersson; CHECK-INV-AA: Running pass: InvalidateAnalysisPass
28*81d6310dSBjorn Pettersson; CHECK-INV-AA-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
29*81d6310dSBjorn Pettersson
30*81d6310dSBjorn Pettersson
31*81d6310dSBjorn Pettersson; Invalidation of scalar-evolution should transitively invalidate access-info.
32*81d6310dSBjorn Pettersson;
33*81d6310dSBjorn Pettersson; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<scalar-evolution>)' 2>&1 | FileCheck %s --check-prefix=CHECK-SCEV
34*81d6310dSBjorn Pettersson;
35*81d6310dSBjorn Pettersson; CHECK-SCEV: Running pass: RequireAnalysisPass
36*81d6310dSBjorn Pettersson; CHECK-SCEV-NEXT: Running analysis: LoopAccessAnalysis on foo
37*81d6310dSBjorn Pettersson; CHECK-SCEV: Running pass: InvalidateAnalysisPass
38*81d6310dSBjorn Pettersson; CHECK-SCEV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis on foo
39*81d6310dSBjorn Pettersson; CHECK-SCEV-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
40*81d6310dSBjorn Pettersson
41*81d6310dSBjorn Pettersson
42*81d6310dSBjorn Pettersson; Invalidation of domtree should transitively invalidate access-info.
43*81d6310dSBjorn Pettersson;
44*81d6310dSBjorn Pettersson; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<domtree>)' 2>&1 | FileCheck %s --check-prefix=CHECK-DT
45*81d6310dSBjorn Pettersson;
46*81d6310dSBjorn Pettersson; CHECK-DT: Running pass: RequireAnalysisPass
47*81d6310dSBjorn Pettersson; CHECK-DT-NEXT: Running analysis: LoopAccessAnalysis on foo
48*81d6310dSBjorn Pettersson; CHECK-DT: Running pass: InvalidateAnalysisPass
49*81d6310dSBjorn Pettersson; CHECK-DT-NEXT: Invalidating analysis: DominatorTreeAnalysis on foo
50*81d6310dSBjorn Pettersson; CHECK-DT: Invalidating analysis: LoopAccessAnalysis on foo
51*81d6310dSBjorn Pettersson
52*81d6310dSBjorn Pettersson
53*81d6310dSBjorn Petterssondefine void @foo(ptr nocapture writeonly %a, ptr nocapture writeonly %b) memory(argmem: write) {
54*81d6310dSBjorn Petterssonentry:
55*81d6310dSBjorn Pettersson  br label %for.cond1
56*81d6310dSBjorn Pettersson
57*81d6310dSBjorn Petterssonfor.cond1:
58*81d6310dSBjorn Pettersson  store i16 0, ptr %b, align 1
59*81d6310dSBjorn Pettersson  store i16 0, ptr %a, align 1
60*81d6310dSBjorn Pettersson  br i1 true, label %for.end6, label %for.cond1
61*81d6310dSBjorn Pettersson
62*81d6310dSBjorn Petterssonfor.end6:
63*81d6310dSBjorn Pettersson  ret void
64*81d6310dSBjorn Pettersson}
65