clang::CodeGen::LoopAttributes Struct Reference

Attributes that may be specified on loops. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/CodeGen/CGLoopInfo.h"

Public Types
enum	LVEnableState { Unspecified , Enable , Disable , Full }
	State of loop vectorization or unrolling. More...

Public Member Functions
	LoopAttributes (bool IsParallel=false)
void	clear ()

Public Attributes
bool	IsParallel
	Generate llvm.loop.parallel metadata for loads and stores.
LVEnableState	VectorizeEnable
	Value for llvm.loop.vectorize.enable metadata.
LVEnableState	UnrollEnable
	Value for llvm.loop.unroll.* metadata (enable, disable, or full).
LVEnableState	UnrollAndJamEnable
	Value for llvm.loop.unroll_and_jam.* metadata (enable, disable, or full).
LVEnableState	VectorizePredicateEnable
	Value for llvm.loop.vectorize.predicate metadata.
unsigned	VectorizeWidth
	Value for llvm.loop.vectorize.width metadata.
LVEnableState	VectorizeScalable
unsigned	InterleaveCount
	Value for llvm.loop.interleave.count metadata.
unsigned	UnrollCount
	llvm.unroll.
unsigned	UnrollAndJamCount
	llvm.unroll.
LVEnableState	DistributeEnable
	Value for llvm.loop.distribute.enable metadata.
bool	PipelineDisabled
	Value for llvm.loop.pipeline.disable metadata.
unsigned	PipelineInitiationInterval
	Value for llvm.loop.pipeline.iicount metadata.
unsigned	CodeAlign
	Value for 'llvm.loop.align' metadata.
bool	MustProgress
	Value for whether the loop is required to make progress.

Detailed Description

Attributes that may be specified on loops.

Definition at line 36 of file CGLoopInfo.h.

Member Enumeration Documentation

LVEnableState

enum clang::CodeGen::LoopAttributes::LVEnableState

State of loop vectorization or unrolling.

Enumerator
Unspecified
Enable
Disable
Full

Definition at line 44 of file CGLoopInfo.h.

Constructor & Destructor Documentation

LoopAttributes()

LoopAttributes::LoopAttributes ( bool IsParallel = false )

explicit

Definition at line 443 of file CGLoopInfo.cpp.

References CodeAlign, DistributeEnable, false, InterleaveCount, IsParallel, LoopAttributes(), MustProgress, PipelineDisabled, PipelineInitiationInterval, UnrollAndJamCount, UnrollAndJamEnable, UnrollCount, UnrollEnable, Unspecified, VectorizeEnable, VectorizePredicateEnable, VectorizeScalable, and VectorizeWidth.

Referenced by LoopAttributes().

Member Function Documentation

clear()

void LoopAttributes::clear

(

)

Definition at line 453 of file CGLoopInfo.cpp.

References CodeAlign, DistributeEnable, InterleaveCount, IsParallel, MustProgress, PipelineDisabled, PipelineInitiationInterval, UnrollAndJamCount, UnrollAndJamEnable, UnrollCount, UnrollEnable, Unspecified, VectorizeEnable, VectorizePredicateEnable, VectorizeScalable, and VectorizeWidth.

Member Data Documentation

CodeAlign

unsigned clang::CodeGen::LoopAttributes::CodeAlign

Value for 'llvm.loop.align' metadata.

Definition at line 83 of file CGLoopInfo.h.

Referenced by clear(), and LoopAttributes().

DistributeEnable

LVEnableState clang::CodeGen::LoopAttributes::DistributeEnable

Value for llvm.loop.distribute.enable metadata.

Definition at line 74 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

InterleaveCount

unsigned clang::CodeGen::LoopAttributes::InterleaveCount

Value for llvm.loop.interleave.count metadata.

Definition at line 65 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

IsParallel

bool clang::CodeGen::LoopAttributes::IsParallel

Generate llvm.loop.parallel metadata for loads and stores.

Definition at line 41 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), clang::CodeGen::LoopInfoStack::getCurLoopParallel(), and LoopAttributes().

MustProgress

bool clang::CodeGen::LoopAttributes::MustProgress

Value for whether the loop is required to make progress.

Definition at line 86 of file CGLoopInfo.h.

Referenced by clear(), and LoopAttributes().

PipelineDisabled

bool clang::CodeGen::LoopAttributes::PipelineDisabled

Value for llvm.loop.pipeline.disable metadata.

Definition at line 77 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

PipelineInitiationInterval

unsigned clang::CodeGen::LoopAttributes::PipelineInitiationInterval

Value for llvm.loop.pipeline.iicount metadata.

Definition at line 80 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

UnrollAndJamCount

unsigned clang::CodeGen::LoopAttributes::UnrollAndJamCount

llvm.unroll.

Definition at line 71 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

UnrollAndJamEnable

LVEnableState clang::CodeGen::LoopAttributes::UnrollAndJamEnable

Value for llvm.loop.unroll_and_jam.* metadata (enable, disable, or full).

Definition at line 53 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

UnrollCount

unsigned clang::CodeGen::LoopAttributes::UnrollCount

llvm.unroll.

Definition at line 68 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

UnrollEnable

LVEnableState clang::CodeGen::LoopAttributes::UnrollEnable

Value for llvm.loop.unroll.* metadata (enable, disable, or full).

Definition at line 50 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

VectorizeEnable

LVEnableState clang::CodeGen::LoopAttributes::VectorizeEnable

Value for llvm.loop.vectorize.enable metadata.

Definition at line 47 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

VectorizePredicateEnable

LVEnableState clang::CodeGen::LoopAttributes::VectorizePredicateEnable

Value for llvm.loop.vectorize.predicate metadata.

Definition at line 56 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

VectorizeScalable

LVEnableState clang::CodeGen::LoopAttributes::VectorizeScalable

Definition at line 62 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

VectorizeWidth

unsigned clang::CodeGen::LoopAttributes::VectorizeWidth

Value for llvm.loop.vectorize.width metadata.

Definition at line 59 of file CGLoopInfo.h.

Referenced by clear(), clang::CodeGen::LoopInfo::finish(), and LoopAttributes().

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

• lib/CodeGen/CGLoopInfo.h
• lib/CodeGen/CGLoopInfo.cpp