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