llvm::PipelineTuningOptions Class Reference

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

#include "llvm/Passes/PassBuilder.h"

Public Member Functions
LLVM_ABI PipelineTuningOptions	resolve (const cl::LibraryOptionsContext &LibraryOptions) const
	Return a copy whose unset members are set from LibraryOptions.

Public Attributes
bool	LoopInterleaving = true
	Tuning option to set loop interleaving on/off, set based on opt level.
bool	LoopVectorization = true
	Tuning option to enable/disable loop vectorization, set based on opt level.
bool	SLPVectorization = false
	Tuning option to enable/disable slp loop vectorization, set based on opt level.
bool	LoopUnrolling = true
	Tuning option to enable/disable loop unrolling.
std::optional< bool >	LoopInterchange
	Tuning option to enable/disable loop interchange.
bool	LoopFusion = false
	Tuning option to enable/disable loop fusion.
std::optional< bool >	ForgetAllSCEVInLoopUnroll
	Tuning option to forget all SCEV loops in LoopUnroll.
std::optional< unsigned >	LicmMssaOptCap
	Tuning option to cap the number of calls to retrive clobbering accesses in MemorySSA, in LICM.
std::optional< unsigned >	LicmMssaNoAccForPromotionCap
	Tuning option to disable promotion to scalars in LICM with MemorySSA, if the number of access is too large.
bool	CallGraphProfile = true
	Tuning option to enable/disable call graph profile.
bool	UnifiedLTO = false
std::optional< bool >	MergeFunctions
	Tuning option to enable/disable function merging.
int	InlinerThreshold = -1
	Tuning option to override the default inliner threshold.
std::optional< unsigned >	MaxDevirtIterations
	Tuning option to cap how many times the inliner pipeline reruns on an SCC after devirtualizing a call.
std::optional< bool >	EagerlyInvalidateAnalyses
std::optional< bool >	DevirtualizeSpeculatively

Detailed Description

Tunable parameters for passes in the default pipelines.

An unset optional member takes the value of its library option in the PassBuilder's LLVMContext.

Definition at line 48 of file PassBuilder.h.

Member Function Documentation

resolve()

PipelineTuningOptions PipelineTuningOptions::resolve ( const cl::LibraryOptionsContext & LibraryOptions ) const

nodiscard

Return a copy whose unset members are set from LibraryOptions.

Definition at line 173 of file PassBuilderPipelines.cpp.

References DevirtualizeSpeculatively, EagerlyInvalidateAnalyses, ForgetAllSCEVInLoopUnroll, llvm::cl::LibraryOptionsContext::get(), llvm::getForgetSCEVInLoopUnroll(), llvm::getLicmMssaNoAccForPromotionCap(), llvm::getLicmMssaOptCap(), llvm::getMaxDevirtIterations(), LicmMssaNoAccForPromotionCap, LicmMssaOptCap, LoopInterchange, MaxDevirtIterations, and MergeFunctions.

Member Data Documentation

CallGraphProfile

bool llvm::PipelineTuningOptions::CallGraphProfile = true

Tuning option to enable/disable call graph profile.

Definition at line 86 of file PassBuilder.h.

DevirtualizeSpeculatively

std::optional<bool> llvm::PipelineTuningOptions::DevirtualizeSpeculatively

Definition at line 111 of file PassBuilder.h.

Referenced by resolve().

EagerlyInvalidateAnalyses

std::optional<bool> llvm::PipelineTuningOptions::EagerlyInvalidateAnalyses

Definition at line 108 of file PassBuilder.h.

Referenced by resolve().

ForgetAllSCEVInLoopUnroll

std::optional<bool> llvm::PipelineTuningOptions::ForgetAllSCEVInLoopUnroll

Tuning option to forget all SCEV loops in LoopUnroll.

Definition at line 75 of file PassBuilder.h.

Referenced by resolve().

InlinerThreshold

int llvm::PipelineTuningOptions::InlinerThreshold = -1

Tuning option to override the default inliner threshold.

Definition at line 95 of file PassBuilder.h.

LicmMssaNoAccForPromotionCap

std::optional<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 83 of file PassBuilder.h.

Referenced by resolve().

LicmMssaOptCap

std::optional<unsigned> llvm::PipelineTuningOptions::LicmMssaOptCap

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

Definition at line 79 of file PassBuilder.h.

Referenced by resolve().

LoopFusion

bool llvm::PipelineTuningOptions::LoopFusion = false

Tuning option to enable/disable loop fusion.

Definition at line 72 of file PassBuilder.h.

LoopInterchange

std::optional<bool> llvm::PipelineTuningOptions::LoopInterchange

Tuning option to enable/disable loop interchange.

Definition at line 69 of file PassBuilder.h.

Referenced by resolve().

LoopInterleaving

bool llvm::PipelineTuningOptions::LoopInterleaving = true

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

Definition at line 55 of file PassBuilder.h.

LoopUnrolling

bool llvm::PipelineTuningOptions::LoopUnrolling = true

Tuning option to enable/disable loop unrolling.

Definition at line 66 of file PassBuilder.h.

LoopVectorization

bool llvm::PipelineTuningOptions::LoopVectorization = true

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

Definition at line 59 of file PassBuilder.h.

Referenced by optimizeModule(), and setupOptionsForPipelineAlias().

MaxDevirtIterations

std::optional<unsigned> llvm::PipelineTuningOptions::MaxDevirtIterations

Tuning option to cap how many times the inliner pipeline reruns on an SCC after devirtualizing a call.

Definition at line 99 of file PassBuilder.h.

Referenced by resolve().

MergeFunctions

std::optional<bool> llvm::PipelineTuningOptions::MergeFunctions

Tuning option to enable/disable function merging.

Definition at line 92 of file PassBuilder.h.

Referenced by resolve().

SLPVectorization

bool llvm::PipelineTuningOptions::SLPVectorization = false

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

Definition at line 63 of file PassBuilder.h.

Referenced by optimizeModule(), and setupOptionsForPipelineAlias().

UnifiedLTO

bool llvm::PipelineTuningOptions::UnifiedLTO = false

Definition at line 89 of file PassBuilder.h.

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

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