1; The IR below was crafted so as: 2; 1) To have a loop, so we create a loop pass manager 3; 2) To be "immutable" in the sense that no pass in the standard 4; pipeline will modify it. 5; Since no transformations take place, we don't expect any analyses 6; to be invalidated. 7; Any invalidation that shows up here is a bug, unless we started modifying 8; the IR, in which case we need to make it immutable harder. 9 10; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 11; RUN: -passes='default<O1>' -S %s 2>&1 \ 12; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O1,%llvmcheckext 13; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 14; RUN: -passes='default<O2>' -S %s 2>&1 \ 15; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O2,CHECK-O23SZ,%llvmcheckext 16; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 17; RUN: -passes='default<O3>' -S %s 2>&1 \ 18; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23SZ,%llvmcheckext 19; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 20; RUN: -passes='default<Os>' -S %s 2>&1 \ 21; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-Os,CHECK-O23SZ,%llvmcheckext 22; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 23; RUN: -passes='default<Oz>' -S %s 2>&1 \ 24; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-Oz,CHECK-O23SZ,%llvmcheckext 25; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 26; RUN: -passes='lto-pre-link<O2>' -S %s 2>&1 \ 27; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-LTO,CHECK-O2,CHECK-O23SZ,%llvmcheckext 28 29; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 30; RUN: -passes-ep-peephole='no-op-function' \ 31; RUN: -passes='default<O3>' -S %s 2>&1 \ 32; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-PEEPHOLE,CHECK-O23SZ 33; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 34; RUN: -passes-ep-late-loop-optimizations='no-op-loop' \ 35; RUN: -passes='default<O3>' -S %s 2>&1 \ 36; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-LOOP-LATE,CHECK-O23SZ 37; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 38; RUN: -passes-ep-loop-optimizer-end='no-op-loop' \ 39; RUN: -passes='default<O3>' -S %s 2>&1 \ 40; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-LOOP-END,CHECK-O23SZ 41; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 42; RUN: -passes-ep-scalar-optimizer-late='no-op-function' \ 43; RUN: -passes='default<O3>' -S %s 2>&1 \ 44; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-SCALAR-LATE,CHECK-O23SZ 45; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 46; RUN: -passes-ep-cgscc-optimizer-late='no-op-cgscc' \ 47; RUN: -passes='default<O3>' -S %s 2>&1 \ 48; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-CGSCC-LATE,CHECK-O23SZ 49; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 50; RUN: -passes-ep-vectorizer-start='no-op-function' \ 51; RUN: -passes='default<O3>' -S %s 2>&1 \ 52; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-VECTORIZER-START,CHECK-O23SZ 53; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 54; RUN: -passes-ep-vectorizer-end='no-op-function' \ 55; RUN: -passes='default<O3>' -S %s 2>&1 \ 56; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-VECTORIZER-END,CHECK-O23SZ 57; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 58; RUN: -passes-ep-pipeline-start='no-op-module' \ 59; RUN: -passes='default<O3>' -S %s 2>&1 \ 60; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-PIPELINE-START,CHECK-O23SZ 61; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 62; RUN: -passes-ep-pipeline-early-simplification='no-op-module' \ 63; RUN: -passes='default<O3>' -S %s 2>&1 \ 64; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-PIPELINE-EARLY-SIMPLIFICATION,CHECK-O23SZ 65; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 66; RUN: -passes-ep-pipeline-start='no-op-module' \ 67; RUN: -passes='lto-pre-link<O3>' -S %s 2>&1 \ 68; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-LTO,CHECK-O3,%llvmcheckext,CHECK-EP-PIPELINE-START,CHECK-O23SZ 69; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 70; RUN: -passes-ep-optimizer-early='no-op-module' \ 71; RUN: -passes='default<O3>' -S %s 2>&1 \ 72; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-OPTIMIZER-EARLY,CHECK-O23SZ 73; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 74; RUN: -passes-ep-optimizer-last='no-op-module' \ 75; RUN: -passes='default<O3>' -S %s 2>&1 \ 76; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-OPTIMIZER-LAST,CHECK-O23SZ 77 78; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 79; RUN: -passes='default<O3>' -enable-jump-table-to-switch -S %s 2>&1 \ 80; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-JUMP-TABLE-TO-SWITCH,CHECK-O23SZ,%llvmcheckext 81 82; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 83; RUN: -passes='default<O3>' -enable-matrix -S %s 2>&1 \ 84; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23SZ,%llvmcheckext,CHECK-MATRIX 85 86; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 87; RUN: -passes='default<O3>' -enable-merge-functions -S %s 2>&1 \ 88; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23SZ,%llvmcheckext,CHECK-MERGE-FUNCS 89 90; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 91; RUN: -passes='default<O3>' -ir-outliner -S %s 2>&1 \ 92; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23SZ,%llvmcheckext,CHECK-IR-OUTLINER 93 94; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \ 95; RUN: -passes='default<O3>' -hot-cold-split -S %s 2>&1 \ 96; RUN: | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23SZ,%llvmcheckext,CHECK-HOT-COLD-SPLIT 97 98; Suppress FileCheck --allow-unused-prefixes=false diagnostics. 99; CHECK-Oz: {{^}} 100 101; CHECK-O: Running pass: Annotation2Metadata 102; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass 103; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass 104; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass 105; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy 106; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis 107; CHECK-O-NEXT: Running pass: CoroEarlyPass 108; CHECK-O-NEXT: Running pass: EntryExitInstrumenterPass 109; CHECK-O-NEXT: Running pass: LowerExpectIntrinsicPass 110; CHECK-O-NEXT: Running pass: SimplifyCFGPass 111; CHECK-O-NEXT: Running analysis: TargetIRAnalysis 112; CHECK-O-NEXT: Running analysis: AssumptionAnalysis 113; CHECK-O-NEXT: Running pass: SROAPass 114; CHECK-O-NEXT: Running analysis: DominatorTreeAnalysis 115; CHECK-O-NEXT: Running pass: EarlyCSEPass 116; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis 117; CHECK-O3-NEXT: Running pass: CallSiteSplittingPass 118; CHECK-O-NEXT: Running pass: OpenMPOptPass 119; CHECK-EP-PIPELINE-EARLY-SIMPLIFICATION-NEXT: Running pass: NoOpModulePass 120; CHECK-O-NEXT: Running pass: IPSCCPPass 121; CHECK-O-NEXT: Running pass: CalledValuePropagationPass 122; CHECK-O-NEXT: Running pass: GlobalOptPass 123; CHECK-O-NEXT: Running pass: PromotePass 124; CHECK-O-NEXT: Running pass: InstCombinePass 125; CHECK-O-NEXT: Running analysis: LastRunTrackingAnalysis 126; CHECK-O-NEXT: Running analysis: OptimizationRemarkEmitterAnalysis 127; CHECK-O-NEXT: Running analysis: AAManager 128; CHECK-O-NEXT: Running analysis: BasicAA 129; CHECK-O-NEXT: Running analysis: ScopedNoAliasAA 130; CHECK-O-NEXT: Running analysis: TypeBasedAA 131; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy 132; CHECK-EP-PEEPHOLE-NEXT: Running pass: NoOpFunctionPass 133; CHECK-O-NEXT: Running pass: SimplifyCFGPass 134; CHECK-O-NEXT: Running pass: AlwaysInlinerPass 135; CHECK-O-NEXT: Running analysis: ProfileSummaryAnalysis 136; CHECK-O-NEXT: Running pass: ModuleInlinerWrapperPass 137; CHECK-O-NEXT: Running analysis: InlineAdvisorAnalysis 138; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}GlobalsAA 139; CHECK-O-NEXT: Running analysis: GlobalsAA 140; CHECK-O-NEXT: Running analysis: CallGraphAnalysis 141; CHECK-O-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}AAManager 142; CHECK-O-NEXT: Invalidating analysis: AAManager 143; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}ProfileSummaryAnalysis 144; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy 145; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis 146; CHECK-O-NEXT: Running analysis: FunctionAnalysisManagerCGSCCProxy 147; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy<{{.*}}LazyCallGraph::SCC{{.*}}> 148; CHECK-O-NEXT: Running pass: DevirtSCCRepeatedPass 149; CHECK-O-NEXT: Running pass: InlinerPass 150; CHECK-O-NEXT: Running pass: PostOrderFunctionAttrsPass 151; CHECK-O3-NEXT: Running pass: ArgumentPromotionPass 152; CHECK-O2-NEXT: Running pass: OpenMPOptCGSCCPass on (foo) 153; CHECK-O3-NEXT: Running pass: OpenMPOptCGSCCPass on (foo) 154; CHECK-EP-CGSCC-LATE-NEXT: Running pass: NoOpCGSCCPass 155; CHECK-O-NEXT: Running pass: SROAPass 156; CHECK-O-NEXT: Running pass: EarlyCSEPass 157; CHECK-O-NEXT: Running analysis: MemorySSAAnalysis 158; CHECK-O-NEXT: Running analysis: AAManager 159; CHECK-O23SZ-NEXT: Running pass: SpeculativeExecutionPass 160; CHECK-O23SZ-NEXT: Running pass: JumpThreadingPass 161; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis 162; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass 163; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis 164; CHECK-JUMP-TABLE-TO-SWITCH-NEXT: Running pass: JumpTableToSwitchPass 165; CHECK-O-NEXT: Running pass: SimplifyCFGPass 166; CHECK-O-NEXT: Running pass: InstCombinePass 167; CHECK-O23SZ-NEXT: Running pass: AggressiveInstCombinePass 168; CHECK-O1-NEXT: Running pass: LibCallsShrinkWrapPass 169; CHECK-O2-NEXT: Running pass: LibCallsShrinkWrapPass 170; CHECK-O3-NEXT: Running pass: LibCallsShrinkWrapPass 171; CHECK-EP-PEEPHOLE-NEXT: Running pass: NoOpFunctionPass 172; CHECK-O23SZ-NEXT: Running pass: TailCallElimPass 173; CHECK-O-NEXT: Running pass: SimplifyCFGPass 174; CHECK-O-NEXT: Running pass: ReassociatePass 175; CHECK-O23SZ-NEXT: Running pass: ConstraintEliminationPass 176; CHECK-O23SZ-NEXT: Running analysis: LoopAnalysis 177; CHECK-O23SZ-NEXT: Running analysis: ScalarEvolutionAnalysis 178; CHECK-O-NEXT: Running pass: LoopSimplifyPass 179; CHECK-O1-NEXT: Running analysis: LoopAnalysis 180; CHECK-O-NEXT: Running pass: LCSSAPass 181; CHECK-O1-NEXT: Running analysis: ScalarEvolutionAnalysis 182; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy 183; CHECK-O-NEXT: Running pass: LoopInstSimplifyPass 184; CHECK-O-NEXT: Running pass: LoopSimplifyCFGPass 185; CHECK-O-NEXT: Running pass: LICM 186; CHECK-O-NEXT: Running pass: LoopRotatePass 187; CHECK-O-NEXT: Running pass: LICM 188; CHECK-O-NEXT: Running pass: SimpleLoopUnswitchPass 189; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy 190; CHECK-O-NEXT: Running pass: SimplifyCFGPass 191; CHECK-O-NEXT: Running pass: InstCombinePass 192; CHECK-O-NEXT: Running pass: LoopSimplifyPass 193; CHECK-O-NEXT: Running pass: LCSSAPass 194; CHECK-O-NEXT: Running pass: LoopIdiomRecognizePass 195; CHECK-O-NEXT: Running pass: IndVarSimplifyPass 196; CHECK-EP-LOOP-LATE-NEXT: Running pass: NoOpLoopPass 197; CHECK-O-NEXT: Running pass: LoopDeletionPass 198; CHECK-O-NEXT: Running pass: LoopFullUnrollPass 199; CHECK-EP-LOOP-END-NEXT: Running pass: NoOpLoopPass 200; CHECK-O-NEXT: Running pass: SROAPass on foo 201; CHECK-O23SZ-NEXT: Running pass: VectorCombinePass 202; CHECK-O23SZ-NEXT: Running pass: MergedLoadStoreMotionPass 203; CHECK-O23SZ-NEXT: Running pass: GVNPass 204; CHECK-O23SZ-NEXT: Running analysis: MemoryDependenceAnalysis 205; CHECK-O1-NEXT: Running pass: MemCpyOptPass 206; CHECK-O1-NEXT: Running analysis: PostDominatorTreeAnalysis 207; CHECK-O-NEXT: Running pass: SCCPPass 208; CHECK-O-NEXT: Running pass: BDCEPass 209; CHECK-O-NEXT: Running analysis: DemandedBitsAnalysis 210; CHECK-O-NEXT: Running pass: InstCombinePass 211; CHECK-EP-PEEPHOLE-NEXT: Running pass: NoOpFunctionPass 212; CHECK-O23SZ-NEXT: Running pass: JumpThreadingPass 213; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis 214; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass 215; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis 216; CHECK-O1-NEXT: Running pass: CoroElidePass 217; CHECK-O-NEXT: Running pass: ADCEPass 218; CHECK-O23SZ-NEXT: Running analysis: PostDominatorTreeAnalysis 219; CHECK-O23SZ-NEXT: Running pass: MemCpyOptPass 220; CHECK-O23SZ-NEXT: Running pass: DSEPass 221; CHECK-O23SZ-NEXT: Running pass: MoveAutoInitPass on foo 222; CHECK-O23SZ-NEXT: Running pass: LoopSimplifyPass 223; CHECK-O23SZ-NEXT: Running pass: LCSSAPass 224; CHECK-O23SZ-NEXT: Running pass: LICMPass 225; CHECK-O23SZ-NEXT: Running pass: CoroElidePass 226; CHECK-EP-SCALAR-LATE-NEXT: Running pass: NoOpFunctionPass 227; CHECK-O-NEXT: Running pass: SimplifyCFGPass 228; CHECK-O-NEXT: Running pass: InstCombinePass 229; CHECK-EP-PEEPHOLE-NEXT: Running pass: NoOpFunctionPass 230; CHECK-O-NEXT: Running pass: PostOrderFunctionAttrsPass 231; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}ShouldNotRunFunctionPassesAnalysis 232; CHECK-O-NEXT: Running analysis: ShouldNotRunFunctionPassesAnalysis 233; CHECK-O-NEXT: Running pass: CoroSplitPass 234; CHECK-O-NEXT: Running pass: CoroAnnotationElidePass 235; CHECK-O-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ShouldNotRunFunctionPassesAnalysis 236; CHECK-O-NEXT: Invalidating analysis: ShouldNotRunFunctionPassesAnalysis 237; CHECK-O-NEXT: Invalidating analysis: InlineAdvisorAnalysis 238; CHECK-O-NEXT: Running pass: DeadArgumentEliminationPass 239; CHECK-O-NEXT: Running pass: CoroCleanupPass 240; CHECK-O-NEXT: Running pass: GlobalOptPass 241; CHECK-O-NEXT: Running pass: GlobalDCEPass 242; CHECK-DEFAULT-NEXT: Running pass: EliminateAvailableExternallyPass 243; CHECK-LTO-NOT: Running pass: EliminateAvailableExternallyPass 244; CHECK-O-NEXT: Running pass: ReversePostOrderFunctionAttrsPass 245; CHECK-O-NEXT: Running pass: RecomputeGlobalsAAPass 246; CHECK-EP-OPTIMIZER-EARLY: Running pass: NoOpModulePass 247; CHECK-O-NEXT: Running pass: Float2IntPass 248; CHECK-O-NEXT: Running pass: LowerConstantIntrinsicsPass on foo 249; CHECK-MATRIX: Running pass: LowerMatrixIntrinsicsPass on f 250; CHECK-MATRIX-NEXT: Running pass: EarlyCSEPass on f 251; CHECK-O3-NEXT: Running pass: ControlHeightReductionPass 252; CHECK-EP-VECTORIZER-START-NEXT: Running pass: NoOpFunctionPass 253; CHECK-EXT: Running pass: {{.*}}::Bye on foo 254; CHECK-NOEXT: {{^}} 255; CHECK-O-NEXT: Running pass: LoopSimplifyPass 256; CHECK-O-NEXT: Running pass: LCSSAPass 257; CHECK-O-NEXT: Running pass: LoopRotatePass 258; CHECK-O-NEXT: Running pass: LoopDeletionPass 259; CHECK-O-NEXT: Running pass: LoopDistributePass 260; CHECK-O-NEXT: Running analysis: LoopAccessAnalysis on foo 261; CHECK-O-NEXT: Running pass: InjectTLIMappings 262; CHECK-O-NEXT: Running pass: LoopVectorizePass 263; CHECK-O-NEXT: Running pass: InferAlignmentPass 264; CHECK-O-NEXT: Running pass: LoopLoadEliminationPass 265; CHECK-O-NEXT: Running pass: InstCombinePass 266; CHECK-O-NEXT: Running pass: SimplifyCFGPass 267; CHECK-O2-NEXT: Running pass: SLPVectorizerPass 268; CHECK-O3-NEXT: Running pass: SLPVectorizerPass 269; CHECK-Os-NEXT: Running pass: SLPVectorizerPass 270; CHECK-O-NEXT: Running pass: VectorCombinePass 271; CHECK-O-NEXT: Running pass: InstCombinePass 272; CHECK-O-NEXT: Running pass: LoopUnrollPass 273; CHECK-O-NEXT: Running pass: WarnMissedTransformationsPass 274; CHECK-O-NEXT: Running pass: SROAPass 275; CHECK-O-NEXT: Running pass: InferAlignmentPass 276; CHECK-O-NEXT: Running pass: InstCombinePass 277; CHECK-O-NEXT: Running pass: LoopSimplifyPass 278; CHECK-O-NEXT: Running pass: LCSSAPass 279; CHECK-O-NEXT: Running pass: LICMPass 280; CHECK-O-NEXT: Running pass: AlignmentFromAssumptionsPass 281; CHECK-EP-VECTORIZER-END-NEXT: Running pass: NoOpFunctionPass 282; CHECK-O-NEXT: Running pass: LoopSinkPass 283; CHECK-O-NEXT: Running pass: InstSimplifyPass 284; CHECK-O-NEXT: Running pass: DivRemPairsPass 285; CHECK-O-NEXT: Running pass: TailCallElimPass 286; CHECK-O-NEXT: Running pass: SimplifyCFGPass 287; CHECK-EP-OPTIMIZER-LAST: Running pass: NoOpModulePass 288; CHECK-HOT-COLD-SPLIT-NEXT: Running pass: HotColdSplittingPass 289; CHECK-IR-OUTLINER-NEXT: Running pass: IROutlinerPass 290; CHECK-IR-OUTLINER-NEXT: Running analysis: IRSimilarityAnalysis 291; CHECK-O-NEXT: Running pass: GlobalDCEPass 292; CHECK-O-NEXT: Running pass: ConstantMergePass 293; CHECK-MERGE-FUNCS-NEXT: Running pass: MergeFunctionsPass 294; CHECK-DEFAULT-NEXT: Running pass: CGProfilePass 295; CHECK-DEFAULT-NEXT: Running pass: RelLookupTableConverterPass 296; CHECK-LTO-NOT: Running pass: RelLookupTableConverterPass 297; CHECK-O-NEXT: Running pass: AnnotationRemarksPass on foo 298; CHECK-LTO-NEXT: Running pass: CanonicalizeAliasesPass 299; CHECK-LTO-NEXT: Running pass: NameAnonGlobalPass 300; CHECK-O-NEXT: Running pass: PrintModulePass 301; 302; Make sure we get the IR back out without changes when we print the module. 303; CHECK-O-LABEL: define void @foo(i32 %n) local_unnamed_addr { 304; CHECK-O-NEXT: entry: 305; CHECK-O-NEXT: br label %loop 306; CHECK-O: loop: 307; CHECK-O-NEXT: %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] 308; CHECK-O-NEXT: %iv.next = add i32 %iv, 1 309; CHECK-O-NEXT: tail call void @bar() 310; CHECK-O-NEXT: %cmp = icmp eq i32 %iv, %n 311; CHECK-O-NEXT: br i1 %cmp, label %exit, label %loop 312; CHECK-O: exit: 313; CHECK-O-NEXT: ret void 314; CHECK-O-NEXT: } 315 316declare void @bar() local_unnamed_addr 317 318define void @foo(i32 %n) local_unnamed_addr { 319entry: 320 br label %loop 321loop: 322 %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] 323 %iv.next = add i32 %iv, 1 324 tail call void @bar() 325 %cmp = icmp eq i32 %iv, %n 326 br i1 %cmp, label %exit, label %loop 327exit: 328 ret void 329} 330