derek.holloway
7502bf64a4
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65 lines
2.7 KiB
LLVM
65 lines
2.7 KiB
LLVM
; Test that access-info gets invalidated when the analyses it depends on are
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; invalidated.
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; This is a reproducer for https://github.com/llvm/llvm-project/issues/61324.
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; We want to see that LoopAccessAnalysis+AAManger is being updated at the end,
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; instead of crashing when using a stale AAManager.
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;
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; 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
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;
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; CHECK-AA: Running pass: RequireAnalysisPass
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; CHECK-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
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; CHECK-AA: Running pass: InvalidateAnalysisPass
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; CHECK-AA-NEXT: Invalidating analysis: AAManager on foo
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; CHECK-AA-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
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; CHECK-AA-NEXT: Running pass: LoopAccessInfoPrinterPass on foo
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; CHECK-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
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; CHECK-AA-NEXT: Running analysis: AAManager on foo
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; Verify that an explicit invalidate request for access-info result in an
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; invalidation.
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;
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; 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
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;
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; CHECK-INV-AA: Running pass: RequireAnalysisPass
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; CHECK-INV-AA-NEXT: Running analysis: LoopAccessAnalysis on foo
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; CHECK-INV-AA: Running pass: InvalidateAnalysisPass
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; CHECK-INV-AA-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
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; Invalidation of scalar-evolution should transitively invalidate access-info.
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;
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; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<scalar-evolution>)' 2>&1 | FileCheck %s --check-prefix=CHECK-SCEV
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;
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; CHECK-SCEV: Running pass: RequireAnalysisPass
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; CHECK-SCEV-NEXT: Running analysis: LoopAccessAnalysis on foo
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; CHECK-SCEV: Running pass: InvalidateAnalysisPass
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; CHECK-SCEV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis on foo
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; CHECK-SCEV-NEXT: Invalidating analysis: LoopAccessAnalysis on foo
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; Invalidation of domtree should transitively invalidate access-info.
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;
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; RUN: opt < %s -disable-output -debug-pass-manager -passes='function(require<access-info>,invalidate<domtree>)' 2>&1 | FileCheck %s --check-prefix=CHECK-DT
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;
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; CHECK-DT: Running pass: RequireAnalysisPass
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; CHECK-DT-NEXT: Running analysis: LoopAccessAnalysis on foo
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; CHECK-DT: Running pass: InvalidateAnalysisPass
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; CHECK-DT-NEXT: Invalidating analysis: DominatorTreeAnalysis on foo
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; CHECK-DT: Invalidating analysis: LoopAccessAnalysis on foo
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define void @foo(ptr nocapture writeonly %a, ptr nocapture writeonly %b) memory(argmem: write) {
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entry:
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br label %for.cond1
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for.cond1:
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store i16 0, ptr %b, align 1
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store i16 0, ptr %a, align 1
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br i1 true, label %for.end6, label %for.cond1
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for.end6:
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ret void
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}
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