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llvm-mirror/test/Other/loop-pm-invalidation.ll
Arthur Eubanks b987f39d75 [NewPM] Hide pass manager debug logging behind -debug-pass-manager-verbose 
Printing pass manager invocations is fairly verbose and not super
useful.

This allows us to remove DebugLogging from pass managers and PassBuilder
since all logging (aside from analysis managers) goes through
instrumentation now.

This has the downside of never being able to print the top level pass
manager via instrumentation, but that seems like a minor downside.

Reviewed By: ychen

Differential Revision: https://reviews.llvm.org/D101797
2021-05-07 21:51:47 -07:00

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; Test that the loop PM infrastructure is invalidated appropriately.
;
; Check that we always nuke the LPM stuff when the loops themselves are
; invalidated.
; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager -aa-pipeline= %s 2>&1 \
; RUN: -passes='loop(no-op-loop),invalidate<loops>,loop(no-op-loop)' \
; RUN: | FileCheck %s --check-prefix=CHECK-LOOP-INV
;
; If we ended up building the standard analyses, their invalidation should nuke
; stuff as well.
; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager %s -aa-pipeline= 2>&1 \
; RUN: -passes='loop(no-op-loop),invalidate<scalar-evolution>,loop(no-op-loop)' \
; RUN: | FileCheck %s --check-prefix=CHECK-SCEV-INV
;
; Also provide a test that can delete loops after populating analyses for them.
; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager %s -aa-pipeline= 2>&1 \
; RUN: -passes='loop(no-op-loop,loop-deletion),invalidate<scalar-evolution>,loop(no-op-loop)' \
; RUN: | FileCheck %s --check-prefix=CHECK-SCEV-INV-AFTER-DELETE
define void @no_loops() {
; CHECK-LOOP-INV: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
;
; CHECK-SCEV-INV: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
entry:
ret void
}
define void @one_loop(i1* %ptr) {
; CHECK-LOOP-INV: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
;
; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
entry:
br label %l0.header
l0.header:
%flag0 = load volatile i1, i1* %ptr
br i1 %flag0, label %l0.header, label %exit
exit:
ret void
}
define void @nested_loops(i1* %ptr) {
; CHECK-LOOP-INV: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
;
; CHECK-SCEV-INV: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
entry:
br label %l.0.header
l.0.header:
br label %l.0.0.header
l.0.0.header:
%flag.0.0 = load volatile i1, i1* %ptr
br i1 %flag.0.0, label %l.0.0.header, label %l.0.latch
l.0.latch:
%flag.0 = load volatile i1, i1* %ptr
br i1 %flag.0, label %l.0.header, label %exit
exit:
ret void
}
define void @dead_loop() {
; CHECK-LOOP-INV: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
;
; CHECK-SCEV-INV: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
;
; CHECK-SCEV-INV-AFTER-DELETE-LABEL: Running pass: LoopSimplifyPass on dead_loop
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: LoopAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: DominatorTreeAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: AssumptionAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LCSSAPass
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: AAManager
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: TargetLibraryAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: TargetIRAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: NoOpLoopPass
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopDeletionPass
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Clearing all analysis results for:
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopSimplifyPass
; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LCSSAPass
entry:
br label %l0.header
l0.header:
br i1 false, label %l0.header, label %exit
exit:
ret void
}
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