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119 lines
5.4 KiB
LLVM
119 lines
5.4 KiB
LLVM
;RUN: opt %s -passes='adce,loop(rotate),adce' -S -debug-pass-manager -debug-only=loop-rotate 2>&1 | FileCheck %s
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;RUN: opt %s -passes='adce,loop-mssa(rotate),adce' -S -debug-pass-manager -debug-only=loop-rotate -verify-memoryssa 2>&1 | FileCheck %s --check-prefix=MSSA
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;REQUIRES: asserts
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; This test is to make sure we invalidate the post dominator pass after loop rotate simplifies the loop latch.
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; The adce passes are here to make sure post dominator analysis is required.
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; CHECK: Starting llvm::Function pass manager run.
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; CHECK-NEXT: Running pass: ADCEPass on f
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; CHECK-NEXT: Running analysis: PostDominatorTreeAnalysis on f
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; CHECK-NEXT: Running pass: FunctionToLoopPassAdaptor{{.*}} on f
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; CHECK-NEXT: Starting llvm::Function pass manager run.
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; CHECK-NEXT: Running pass: LoopSimplifyPass on f
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; CHECK-NEXT: Running analysis: LoopAnalysis on f
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; CHECK-NEXT: Running analysis: DominatorTreeAnalysis on f
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; CHECK-NEXT: Running analysis: AssumptionAnalysis on f
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; CHECK-NEXT: Running pass: LCSSAPass on f
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; CHECK-NEXT: Finished llvm::Function pass manager run.
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; CHECK-NEXT: Running analysis: AAManager on f
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; CHECK-NEXT: Running analysis: TargetLibraryAnalysis on f
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; CHECK-NEXT: Running analysis: ScalarEvolutionAnalysis on f
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; CHECK-NEXT: Running analysis: TargetIRAnalysis on f
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; CHECK-NEXT: Running analysis: InnerAnalysisManagerProxy{{.*}} on f
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; CHECK-NEXT: Starting Loop pass manager run.
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; CHECK-NEXT: Running analysis: PassInstrumentationAnalysis on bb
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; CHECK-NEXT: Running pass: LoopRotatePass on Loop at depth 1 containing: %bb<header><exiting>,%bb4<latch>
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; CHECK-NEXT: Folding loop latch bb4 into bb
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; CHECK-NEXT: Invalidating all non-preserved analyses for: bb
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; CHECK-NEXT: Finished Loop pass manager run.
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; CHECK-NEXT: Invalidating all non-preserved analyses for: f
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; CHECK-NEXT: Invalidating analysis: PostDominatorTreeAnalysis on f
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; CHECK-NEXT: Running pass: ADCEPass on f
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; CHECK-NEXT: Running analysis: PostDominatorTreeAnalysis on f
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; CHECK-NEXT: Finished llvm::Function pass manager run.
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; MSSA: Starting llvm::Function pass manager run.
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; MSSA-NEXT: Running pass: ADCEPass on f
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; MSSA-NEXT: Running analysis: PostDominatorTreeAnalysis on f
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; MSSA-NEXT: Running pass: FunctionToLoopPassAdaptor{{.*}} on f
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; MSSA-NEXT: Starting llvm::Function pass manager run.
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; MSSA-NEXT: Running pass: LoopSimplifyPass on f
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; MSSA-NEXT: Running analysis: LoopAnalysis on f
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; MSSA-NEXT: Running analysis: DominatorTreeAnalysis on f
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; MSSA-NEXT: Running analysis: AssumptionAnalysis on f
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; MSSA-NEXT: Running pass: LCSSAPass on f
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; MSSA-NEXT: Finished llvm::Function pass manager run.
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; MSSA-NEXT: Running analysis: MemorySSAAnalysis on f
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; MSSA-NEXT: Running analysis: AAManager on f
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; MSSA-NEXT: Running analysis: TargetLibraryAnalysis on f
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; MSSA-NEXT: Running analysis: ScalarEvolutionAnalysis on f
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; MSSA-NEXT: Running analysis: TargetIRAnalysis on f
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; MSSA-NEXT: Running analysis: InnerAnalysisManagerProxy{{.*}} on f
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; MSSA-NEXT: Starting Loop pass manager run.
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; MSSA-NEXT: Running analysis: PassInstrumentationAnalysis on bb
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; MSSA-NEXT: Running pass: LoopRotatePass on Loop at depth 1 containing: %bb<header><exiting>,%bb4<latch>
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; MSSA-NEXT: Folding loop latch bb4 into bb
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; MSSA-NEXT: Invalidating all non-preserved analyses for: bb
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; MSSA-NEXT: Finished Loop pass manager run.
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; MSSA-NEXT: Invalidating all non-preserved analyses for: f
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; MSSA-NEXT: Invalidating analysis: PostDominatorTreeAnalysis on f
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; MSSA-NEXT: Running pass: ADCEPass on f
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; MSSA-NEXT: Running analysis: PostDominatorTreeAnalysis on f
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; MSSA-NEXT: Finished llvm::Function pass manager run.
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; CHECK-LABEL: define i8 @f() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %bb
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; CHECK: bb: ; preds = %bb, %entry
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; CHECK-NEXT: %mode.0 = phi i8 [ 0, %entry ], [ %indvar.next, %bb ]
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; CHECK-NEXT: %tmp5 = icmp eq i8 %mode.0, 1
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; CHECK-NEXT: %indvar.next = add i8 %mode.0, 1
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; CHECK-NEXT: br i1 %tmp5, label %bb5, label %bb
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; CHECK: bb5: ; preds = %bb
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; CHECK-NEXT: tail call void @raise_exception() #0
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; CHECK-NEXT: unreachable
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; CHECK-NEXT: }
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; CHECK: ; Function Attrs: noreturn
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; CHECK: declare void @raise_exception() #0
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; CHECK: attributes #0 = { noreturn }
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; MSSA-LABEL: define i8 @f() {
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; MSSA-NEXT: entry:
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; MSSA-NEXT: br label %bb
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; MSSA: bb: ; preds = %bb, %entry
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; MSSA-NEXT: %mode.0 = phi i8 [ 0, %entry ], [ %indvar.next, %bb ]
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; MSSA-NEXT: %tmp5 = icmp eq i8 %mode.0, 1
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; MSSA-NEXT: %indvar.next = add i8 %mode.0, 1
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; MSSA-NEXT: br i1 %tmp5, label %bb5, label %bb
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; MSSA: bb5: ; preds = %bb
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; MSSA-NEXT: tail call void @raise_exception() #0
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; MSSA-NEXT: unreachable
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; MSSA-NEXT: }
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; MSSA: ; Function Attrs: noreturn
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; MSSA: declare void @raise_exception() #0
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; MSSA: attributes #0 = { noreturn }
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define i8 @f() {
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entry:
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br label %bb
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bb: ; preds = %bb4, %entry
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%mode.0 = phi i8 [ 0, %entry ], [ %indvar.next, %bb4 ]
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%tmp5 = icmp eq i8 %mode.0, 1
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br i1 %tmp5, label %bb5, label %bb4
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bb4: ; preds = %bb2
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%indvar.next = add i8 %mode.0, 1
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br label %bb
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bb5: ; preds = %bb2
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tail call void @raise_exception() #0
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unreachable
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}
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; Function Attrs: noreturn
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declare void @raise_exception() #0
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attributes #0 = { noreturn }
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