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6252c9b891
For basic blocks with instructions between the beginning of the block and a call we have to duplicate the instructions before the call in all split blocks and add PHI nodes for uses of the duplicated instructions after the call. Currently, the threshold for the number of instructions before a call is quite low, to keep the impact on binary size low. Reviewers: junbuml, mcrosier, davidxl, davide Reviewed By: junbuml Differential Revision: https://reviews.llvm.org/D41860 llvm-svn: 325126
121 lines
5.9 KiB
LLVM
121 lines
5.9 KiB
LLVM
; Basic test for the new LTO pipeline.
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; For now the only difference is between -O1 and everything else, so
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; -O2, -O3, -Os, -Oz are the same.
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<O1>' -S %s 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O1
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<O2>' -S %s 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<O3>' -S %s 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2 \
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; RUN: --check-prefix=CHECK-O3
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<Os>' -S %s 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<Oz>' -S %s 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2
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; RUN: opt -disable-verify -debug-pass-manager \
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; RUN: -passes='lto<O3>' -S %s -passes-ep-peephole='no-op-function' 2>&1 \
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; RUN: | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2 \
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; RUN: --check-prefix=CHECK-O3 --check-prefix=CHECK-EP-Peephole
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; CHECK-O: Starting llvm::Module pass manager run.
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; CHECK-O-NEXT: Running pass: PassManager<{{.*}}Module
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; CHECK-O-NEXT: Starting llvm::Module pass manager run.
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; CHECK-O-NEXT: Running pass: GlobalDCEPass
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; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
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; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
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; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
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; CHECK-O2-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Module
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; CHECK-O2-NEXT: Starting llvm::Function pass manager run.
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; CHECK-O2-NEXT: Running pass: CallSiteSplittingPass on foo
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; CHECK-O2-NEXT: Running analysis: TargetLibraryAnalysis on foo
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; CHECK-O2-NEXT: Running analysis: TargetIRAnalysis on foo
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; CHECK-O2-NEXT: Finished llvm::Function pass manager run.
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; CHECK-O2-NEXT: PGOIndirectCallPromotion
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; CHECK-O2-NEXT: Running analysis: ProfileSummaryAnalysis
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; CHECK-O2-NEXT: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-O2-NEXT: Running pass: IPSCCPPass
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; CHECK-O2-NEXT: Running pass: CalledValuePropagationPass
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; CHECK-O-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}PostOrderFunctionAttrsPass>
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; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}SCC
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; CHECK-O1-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Function
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; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis
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; CHECK-O-NEXT: Running analysis: FunctionAnalysisManagerCGSCCProxy
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; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy<{{.*}}LazyCallGraph{{.*}}>
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; CHECK-O-NEXT: Running analysis: AAManager
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; CHECK-O1-NEXT: Running analysis: TargetLibraryAnalysis
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; CHECK-O-NEXT: Running pass: ReversePostOrderFunctionAttrsPass
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; CHECK-O-NEXT: Running analysis: CallGraphAnalysis
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; CHECK-O-NEXT: Running pass: GlobalSplitPass
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; CHECK-O-NEXT: Running pass: WholeProgramDevirtPass
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; CHECK-O2-NEXT: Running pass: GlobalOptPass
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PromotePass>
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; CHECK-O2-NEXT: Running analysis: DominatorTreeAnalysis
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; CHECK-O2-NEXT: Running analysis: AssumptionAnalysis
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; CHECK-O2-NEXT: Running pass: ConstantMergePass
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; CHECK-O2-NEXT: Running pass: DeadArgumentEliminationPass
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
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; CHECK-O2-NEXT: Starting llvm::Function pass manager run.
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; CHECK-O3-NEXT: Running pass: AggressiveInstCombinePass
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; CHECK-O2-NEXT: Running pass: InstCombinePass
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; CHECK-EP-Peephole-NEXT: Running pass: NoOpFunctionPass
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; CHECK-O2-NEXT: Finished llvm::Function pass manager run.
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; CHECK-O2-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}InlinerPass>
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; CHECK-O2-NEXT: Running pass: GlobalOptPass
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; CHECK-O2-NEXT: Running pass: GlobalDCEPass
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
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; CHECK-O2-NEXT: Starting llvm::Function pass manager run.
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; CHECK-O2-NEXT: Running pass: InstCombinePass
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; CHECK-EP-Peephole-NEXT: Running pass: NoOpFunctionPass
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; CHECK-O2-NEXT: Running pass: JumpThreadingPass
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; CHECK-O2-NEXT: Running analysis: LazyValueAnalysis
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; CHECK-O2-NEXT: Running pass: SROA on foo
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; CHECK-O2-NEXT: Finished llvm::Function pass manager run.
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; CHECK-O2-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}PostOrderFunctionAttrsPass>
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
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; CHECK-O2-NEXT: Running analysis: MemoryDependenceAnalysis
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; CHECK-O2-NEXT: Running analysis: DemandedBitsAnalysis
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; CHECK-O2-NEXT: Running pass: CrossDSOCFIPass
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; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}SimplifyCFGPass>
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; CHECK-O2-NEXT: Running pass: EliminateAvailableExternallyPass
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; CHECK-O2-NEXT: Running pass: GlobalDCEPass
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; CHECK-O-NEXT: Finished llvm::Module pass manager run.
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; CHECK-O-NEXT: Running pass: PrintModulePass
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; Make sure we get the IR back out without changes when we print the module.
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; CHECK-O-LABEL: define void @foo(i32 %n) local_unnamed_addr {
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; CHECK-O-NEXT: entry:
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; CHECK-O-NEXT: br label %loop
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; CHECK-O: loop:
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; CHECK-O-NEXT: %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-O-NEXT: %iv.next = add i32 %iv, 1
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; CHECK-O-NEXT: tail call void @bar()
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; CHECK-O-NEXT: %cmp = icmp eq i32 %iv, %n
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; CHECK-O-NEXT: br i1 %cmp, label %exit, label %loop
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; CHECK-O: exit:
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; CHECK-O-NEXT: ret void
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; CHECK-O-NEXT: }
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;
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; CHECK-O-NEXT: Finished llvm::Module pass manager run.
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declare void @bar() local_unnamed_addr
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define void @foo(i32 %n) local_unnamed_addr {
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%iv.next = add i32 %iv, 1
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tail call void @bar()
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%cmp = icmp eq i32 %iv, %n
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br i1 %cmp, label %exit, label %loop
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exit:
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ret void
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}
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