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5ba39df635
Change several pass sequence sensitive tests to be indifferent to the PreserveCFGChecker by explicitly settting the option -verify-cfg-preserved=0. It is a preparation step that allows a redesign of PreserveCFGChecker. Reviewed By: skatkov Differential Revision: https://reviews.llvm.org/D99878
329 lines
18 KiB
LLVM
329 lines
18 KiB
LLVM
; Test that the loop PM infrastructure is invalidated appropriately.
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;
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; Check that we always nuke the LPM stuff when the loops themselves are
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; invalidated.
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; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager -aa-pipeline= %s 2>&1 \
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; RUN: -passes='loop(no-op-loop),invalidate<loops>,loop(no-op-loop)' \
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; RUN: | FileCheck %s --check-prefix=CHECK-LOOP-INV
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;
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; If we ended up building the standard analyses, their invalidation should nuke
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; stuff as well.
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; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager %s -aa-pipeline= 2>&1 \
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; RUN: -passes='loop(no-op-loop),invalidate<scalar-evolution>,loop(no-op-loop)' \
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; RUN: | FileCheck %s --check-prefix=CHECK-SCEV-INV
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;
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; Also provide a test that can delete loops after populating analyses for them.
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; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=0 -debug-pass-manager %s -aa-pipeline= 2>&1 \
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; RUN: -passes='loop(no-op-loop,loop-deletion),invalidate<scalar-evolution>,loop(no-op-loop)' \
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; RUN: | FileCheck %s --check-prefix=CHECK-SCEV-INV-AFTER-DELETE
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define void @no_loops() {
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; CHECK-LOOP-INV: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
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;
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; CHECK-SCEV-INV: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
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entry:
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ret void
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}
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define void @one_loop(i1* %ptr) {
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; CHECK-LOOP-INV: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
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;
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; CHECK-SCEV-INV: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
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entry:
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br label %l0.header
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l0.header:
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%flag0 = load volatile i1, i1* %ptr
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br i1 %flag0, label %l0.header, label %exit
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exit:
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ret void
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}
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define void @nested_loops(i1* %ptr) {
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; CHECK-LOOP-INV: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
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;
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; CHECK-SCEV-INV: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
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entry:
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br label %l.0.header
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l.0.header:
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br label %l.0.0.header
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l.0.0.header:
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%flag.0.0 = load volatile i1, i1* %ptr
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br i1 %flag.0.0, label %l.0.0.header, label %l.0.latch
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l.0.latch:
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%flag.0 = load volatile i1, i1* %ptr
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br i1 %flag.0, label %l.0.header, label %exit
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exit:
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ret void
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}
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define void @dead_loop() {
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; CHECK-LOOP-INV: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: AAManager
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-LOOP-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-LOOP-INV-NEXT: Running pass: LCSSAPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
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;
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; CHECK-SCEV-INV: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running analysis: LoopAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: AAManager
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Clearing all analysis results for: <possibly invalidated loop>
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
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;
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; CHECK-SCEV-INV-AFTER-DELETE-LABEL: Running pass: LoopSimplifyPass on dead_loop
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: LoopAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: AAManager
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: TargetIRAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Starting {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: NoOpLoopPass
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopDeletionPass
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Clearing all analysis results for:
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Loop pass manager run.
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating analysis: InnerAnalysisManagerProxy<{{.*}}Loop
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Starting {{.*}}Function pass manager run
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopSimplifyPass
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LCSSAPass
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Function pass manager run
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; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Function pass manager run.
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|
|
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entry:
|
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br label %l0.header
|
|
|
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l0.header:
|
|
br i1 false, label %l0.header, label %exit
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|
|
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exit:
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ret void
|
|
}
|