class InlinerPass

Declaration

class InlinerPass : public PassInfoMixin { /* full declaration omitted */ };

Description

The inliner pass for the new pass manager. This pass wires together the inlining utilities and the inline cost analysis into a CGSCC pass. It considers every call in every function in the SCC and tries to inline if profitable. It can be tuned with a number of parameters to control what cost model is used and what tradeoffs are made when making the decision. It should be noted that the legacy inliners do considerably more than this inliner pass does. They provide logic for manually merging allocas, and doing considerable DCE including the DCE of dead functions. This pass makes every attempt to be simpler. DCE of functions requires complex reasoning about comdat groups, etc. Instead, it is expected that other more focused passes be composed to achieve the same end result.

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:96

Inherits from: PassInfoMixin

Member Variables

private std::unique_ptr<InlineAdvisor> OwnedAdvisor

private const bool OnlyMandatory

private const llvm::ThinOrFullLTOPhase LTOPhase

Method Overview

• public InlinerPass(bool OnlyMandatory = false, llvm::ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None)
• public InlinerPass(llvm::InlinerPass && Arg)
• private llvm::InlineAdvisor & getAdvisor(const ModuleAnalysisManagerCGSCCProxy::Result & MAM, llvm::FunctionAnalysisManager & FAM, llvm::Module & M)
• public void printPipeline(llvm::raw_ostream & OS, function_ref<llvm::StringRef (llvm::StringRef)> MapClassName2PassName)
• public llvm::PreservedAnalyses run(LazyCallGraph::SCC & C, llvm::CGSCCAnalysisManager & AM, llvm::LazyCallGraph & CG, llvm::CGSCCUpdateResult & UR)

Methods

¶InlinerPass(bool OnlyMandatory = false,
            llvm::ThinOrFullLTOPhase LTOPhase =
                ThinOrFullLTOPhase::None)

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:98

Parameters

bool OnlyMandatory = false

llvm::ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None

¶InlinerPass(llvm::InlinerPass&& Arg)

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:101

Parameters

llvm::InlinerPass&& Arg

¶llvm::InlineAdvisor& getAdvisor(
    const ModuleAnalysisManagerCGSCCProxy::Result&
        MAM,
    llvm::FunctionAnalysisManager& FAM,
    llvm::Module& M)

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:110

Parameters

const ModuleAnalysisManagerCGSCCProxy::Result& MAM

llvm::FunctionAnalysisManager& FAM

llvm::Module& M

¶void printPipeline(
    llvm::raw_ostream& OS,
    function_ref<llvm::StringRef(llvm::StringRef)>
        MapClassName2PassName)

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:106

Parameters

llvm::raw_ostream& OS

function_ref<llvm::StringRef(llvm::StringRef)> MapClassName2PassName

¶llvm::PreservedAnalyses run(
    LazyCallGraph::SCC& C,
    llvm::CGSCCAnalysisManager& AM,
    llvm::LazyCallGraph& CG,
    llvm::CGSCCUpdateResult& UR)

Declared at: llvm/include/llvm/Transforms/IPO/Inliner.h:103

Parameters

LazyCallGraph::SCC& C

llvm::CGSCCAnalysisManager& AM

llvm::LazyCallGraph& CG

llvm::CGSCCUpdateResult& UR