| ; 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 -debug-pass-manager %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 -debug-pass-manager %s 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 -debug-pass-manager %s 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-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on no_loops |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: 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: Finished {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis |
| ; CHECK-LOOP-INV-NEXT: Invalidating all non-preserved analyses |
| ; CHECK-LOOP-INV-NEXT: Invalidating analysis: LoopAnalysis |
| ; CHECK-LOOP-INV-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on no_loops |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run. |
| ; |
| ; CHECK-SCEV-INV-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on no_loops |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Invalidating all non-preserved analyses |
| ; CHECK-SCEV-INV-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on no_loops |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass |
| ; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run. |
| |
| entry: |
| ret void |
| } |
| |
| define void @one_loop(i1* %ptr) { |
| ; CHECK-LOOP-INV-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on one_loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis |
| ; CHECK-LOOP-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on one_loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run. |
| ; |
| ; CHECK-SCEV-INV-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on one_loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on one_loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass |
| ; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run. |
| |
| 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-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on nested_loops |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis |
| ; CHECK-LOOP-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on nested_loops |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run. |
| ; |
| ; CHECK-SCEV-INV-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on nested_loops |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on nested_loops |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass |
| ; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run. |
| |
| 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-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis |
| ; CHECK-LOOP-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run. |
| ; |
| ; CHECK-SCEV-INV-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running pass: LoopSimplifyPass |
| ; CHECK-SCEV-INV-NEXT: Running pass: LCSSAPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop |
| ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run. |
| ; |
| ; CHECK-SCEV-INV-AFTER-DELETE-LABEL: Running pass: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopSimplifyPass |
| ; 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: Finished {{.*}}Function pass manager run |
| ; 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: Starting {{.*}}Loop pass manager run. |
| ; 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: Finished {{.*}}Loop pass manager run. |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating all non-preserved analyses |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Invalidating all non-preserved analyses |
| ; 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: FunctionToLoopPassAdaptor<{{.*}}> on dead_loop |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Starting {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopSimplifyPass |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LCSSAPass |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Function pass manager run |
| ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Finished {{.*}}Function pass manager run. |
| |
| entry: |
| br label %l0.header |
| |
| l0.header: |
| br i1 false, label %l0.header, label %exit |
| |
| exit: |
| ret void |
| } |
