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6fefe6148b
Enable performing mandatory inlinings upfront, by reusing the same logic as the full inliner, instead of the AlwaysInliner. This has the following benefits: - reduce code duplication - one inliner codebase - open the opportunity to help the full inliner by performing additional function passes after the mandatory inlinings, but before th full inliner. Performing the mandatory inlinings first simplifies the problem the full inliner needs to solve: less call sites, more contextualization, and, depending on the additional function optimization passes run between the 2 inliners, higher accuracy of cost models / decision policies. Note that this patch does not yet enable much in terms of post-always inline function optimization. Differential Revision: https://reviews.llvm.org/D91567
146 lines
6.8 KiB
LLVM
146 lines
6.8 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: Annotation2Metadata
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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: InnerAnalysisManagerProxy<{{.*}}Module
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; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
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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: Running analysis: DominatorTreeAnalysis 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 analysis: AssumptionAnalysis on foo
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; CHECK-O2-NEXT: Running pass: CalledValuePropagationPass
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; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}SCC
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; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis
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; CHECK-O1-NEXT: Running analysis: TargetLibraryAnalysis
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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 pass: PostOrderFunctionAttrsPass
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; CHECK-O-NEXT: Running analysis: AAManager
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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-O1-NEXT: Running pass: LowerTypeTestsPass
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; CHECK-O2-NEXT: Running pass: GlobalOptPass
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; CHECK-O2-NEXT: Running pass: PromotePass
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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: 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-O2-NEXT: Running analysis: OuterAnalysisManagerProxy
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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: ModuleInlinerWrapperPass
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; CHECK-O2-NEXT: Running analysis: InlineAdvisorAnalysis
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; CHECK-O2-NEXT: Starting llvm::Module pass manager run.
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; CHECK-O2-NEXT: Starting CGSCC pass manager run.
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; CHECK-O2-NEXT: Running pass: InlinerPass
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; CHECK-O2-NEXT: Finished CGSCC pass manager run.
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; CHECK-O2-NEXT: Finished llvm::Module pass manager run.
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; CHECK-O2-NEXT: Running pass: ModuleInlinerWrapperPass
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; CHECK-O2-NEXT: Starting llvm::Module pass manager run.
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; CHECK-O2-NEXT: Starting CGSCC pass manager run.
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; CHECK-O2-NEXT: Running pass: InlinerPass
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; CHECK-O2-NEXT: Finished CGSCC pass manager run.
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; CHECK-O2-NEXT: Finished llvm::Module pass manager run.
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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: 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: Running pass: TailCallElimPass on foo
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; CHECK-O2-NEXT: Finished llvm::Function pass manager run.
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; CHECK-O2-NEXT: Running pass: PostOrderFunctionAttrsPass
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; CHECK-O2-NEXT: Running pass: GVN on foo
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; CHECK-O2-NEXT: Running analysis: MemoryDependenceAnalysis
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; CHECK-O2-NEXT: Running analysis: PhiValuesAnalysis
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; CHECK-O2-NEXT: Running pass: MemCpyOptPass on foo
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; CHECK-O2-NEXT: Running pass: DSEPass on foo
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; CHECK-O2-NEXT: Running analysis: MemorySSAAnalysis on foo
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; CHECK-O2-NEXT: Running analysis: PostDominatorTreeAnalysis on foo
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; CHECK-O2-NEXT: Running pass: InstCombinePass on foo
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; CHECK-O2-NEXT: Running pass: SimplifyCFGPass on foo
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; CHECK-O2-NEXT: Running pass: SCCPPass on foo
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; CHECK-O2-NEXT: Running pass: InstCombinePass on foo
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; CHECK-O2-NEXT: Running pass: BDCEPass on foo
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; CHECK-O2-NEXT: Running analysis: DemandedBitsAnalysis
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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 pass: CrossDSOCFIPass
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; CHECK-O2-NEXT: Running pass: LowerTypeTestsPass
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; CHECK-O-NEXT: Running pass: LowerTypeTestsPass
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; CHECK-O2-NEXT: Running pass: 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: Running pass: AnnotationRemarksPass on foo
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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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