llvm::PipelineTuningOptions Class Reference

Tunable parameters for passes in the default pipelines. More...

#include "llvm/Passes/PassBuilder.h"

Public Member Functions
LLVM_ABI	PipelineTuningOptions ()
	Constructor sets pipeline tuning defaults based on cl::opts.

Public Attributes
bool	LoopInterleaving
	Tuning option to set loop interleaving on/off, set based on opt level.
bool	LoopVectorization
	Tuning option to enable/disable loop vectorization, set based on opt level.
bool	SLPVectorization
	Tuning option to enable/disable slp loop vectorization, set based on opt level.
bool	LoopUnrolling
	Tuning option to enable/disable loop unrolling. Its default value is true.
bool	LoopInterchange
	Tuning option to enable/disable loop interchange.
bool	LoopFusion
	Tuning option to enable/disable loop fusion. Its default value is false.
bool	ForgetAllSCEVInLoopUnroll
	Tuning option to forget all SCEV loops in LoopUnroll.
unsigned	LicmMssaOptCap
	Tuning option to cap the number of calls to retrive clobbering accesses in MemorySSA, in LICM.
unsigned	LicmMssaNoAccForPromotionCap
	Tuning option to disable promotion to scalars in LICM with MemorySSA, if the number of access is too large.
bool	CallGraphProfile
	Tuning option to enable/disable call graph profile.
bool	UnifiedLTO
bool	MergeFunctions
	Tuning option to enable/disable function merging.
int	InlinerThreshold
	Tuning option to override the default inliner threshold.
bool	EagerlyInvalidateAnalyses
bool	DevirtualizeSpeculatively

Detailed Description

Tunable parameters for passes in the default pipelines.

Definition at line 42 of file PassBuilder.h.

Constructor & Destructor Documentation

PipelineTuningOptions()

PipelineTuningOptions::PipelineTuningOptions

(

)

Constructor sets pipeline tuning defaults based on cl::opts.

Each option can be set in the PassBuilder when using a LLVM as a library.

Definition at line 169 of file PassBuilderPipelines.cpp.

References CallGraphProfile, DevirtualizeSpeculatively, EagerlyInvalidateAnalyses, ForgetAllSCEVInLoopUnroll, llvm::getForgetSCEVInLoopUnroll(), llvm::getLicmMssaNoAccForPromotionCap(), llvm::getLicmMssaOptCap(), InlinerThreshold, LicmMssaNoAccForPromotionCap, LicmMssaOptCap, LoopFusion, LoopInterchange, LoopInterleaving, LoopUnrolling, LoopVectorization, MergeFunctions, SLPVectorization, and UnifiedLTO.

Member Data Documentation

CallGraphProfile

bool llvm::PipelineTuningOptions::CallGraphProfile

Tuning option to enable/disable call graph profile.

Its default value is that of the flag: -enable-npm-call-graph-profile.

Definition at line 83 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

DevirtualizeSpeculatively

bool llvm::PipelineTuningOptions::DevirtualizeSpeculatively

Definition at line 106 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

EagerlyInvalidateAnalyses

bool llvm::PipelineTuningOptions::EagerlyInvalidateAnalyses

Definition at line 102 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

ForgetAllSCEVInLoopUnroll

bool llvm::PipelineTuningOptions::ForgetAllSCEVInLoopUnroll

Tuning option to forget all SCEV loops in LoopUnroll.

Its default value is that of the flag: -forget-scev-loop-unroll.

Definition at line 71 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

InlinerThreshold

int llvm::PipelineTuningOptions::InlinerThreshold

Tuning option to override the default inliner threshold.

Definition at line 93 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LicmMssaNoAccForPromotionCap

unsigned llvm::PipelineTuningOptions::LicmMssaNoAccForPromotionCap

Tuning option to disable promotion to scalars in LICM with MemorySSA, if the number of access is too large.

Definition at line 79 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LicmMssaOptCap

unsigned llvm::PipelineTuningOptions::LicmMssaOptCap

Tuning option to cap the number of calls to retrive clobbering accesses in MemorySSA, in LICM.

Definition at line 75 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LoopFusion

bool llvm::PipelineTuningOptions::LoopFusion

Tuning option to enable/disable loop fusion. Its default value is false.

Definition at line 67 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LoopInterchange

bool llvm::PipelineTuningOptions::LoopInterchange

Tuning option to enable/disable loop interchange.

Its default value is false.

Definition at line 64 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LoopInterleaving

bool llvm::PipelineTuningOptions::LoopInterleaving

Tuning option to set loop interleaving on/off, set based on opt level.

Definition at line 49 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LoopUnrolling

bool llvm::PipelineTuningOptions::LoopUnrolling

Tuning option to enable/disable loop unrolling. Its default value is true.

Definition at line 60 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

LoopVectorization

bool llvm::PipelineTuningOptions::LoopVectorization

Tuning option to enable/disable loop vectorization, set based on opt level.

Definition at line 53 of file PassBuilder.h.

Referenced by optimizeModule(), PipelineTuningOptions(), and setupOptionsForPipelineAlias().

MergeFunctions

bool llvm::PipelineTuningOptions::MergeFunctions

Tuning option to enable/disable function merging.

Its default value is false.

Definition at line 90 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

SLPVectorization

bool llvm::PipelineTuningOptions::SLPVectorization

Tuning option to enable/disable slp loop vectorization, set based on opt level.

Definition at line 57 of file PassBuilder.h.

Referenced by optimizeModule(), PipelineTuningOptions(), and setupOptionsForPipelineAlias().

UnifiedLTO

bool llvm::PipelineTuningOptions::UnifiedLTO

Definition at line 86 of file PassBuilder.h.

Referenced by PipelineTuningOptions().

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The documentation for this class was generated from the following files:

• include/llvm/Passes/PassBuilder.h
• lib/Passes/PassBuilderPipelines.cpp