llvm::VPTransformState::CFGState Struct Reference

Hold state information used when constructing the CFG of the output IR, traversing the VPBasicBlocks and generating corresponding IR BasicBlocks. More...

#include "Transforms/Vectorize/VPlan.h"

Public Member Functions
	CFGState ()=default
BasicBlock *	getPreheaderBBFor (VPRecipeBase *R)
	Returns the BasicBlock* mapped to the pre-header of the loop region containing R.

Public Attributes
VPBasicBlock *	PrevVPBB = nullptr
	The previous VPBasicBlock visited. Initially set to null.
BasicBlock *	PrevBB = nullptr
	The previous IR BasicBlock created or used.
BasicBlock *	ExitBB = nullptr
	The last IR BasicBlock in the output IR.
SmallDenseMap< VPBasicBlock *, BasicBlock * >	VPBB2IRBB
	A mapping of each VPBasicBlock to the corresponding BasicBlock.

Detailed Description

Hold state information used when constructing the CFG of the output IR, traversing the VPBasicBlocks and generating corresponding IR BasicBlocks.

Definition at line 360 of file VPlan.h.

Constructor & Destructor Documentation

CFGState()

llvm::VPTransformState::CFGState::CFGState ( )

default

Member Function Documentation

getPreheaderBBFor()

BasicBlock * VPTransformState::CFGState::getPreheaderBBFor

(

VPRecipeBase *

R

)

Returns the BasicBlock* mapped to the pre-header of the loop region containing R.

Definition at line 330 of file VPlan.cpp.

References llvm::VPRegionBlock::getPreheaderVPBB(), and VPBB2IRBB.

Referenced by llvm::VPWidenIntOrFpInductionRecipe::execute(), llvm::VPWidenPointerInductionRecipe::execute(), llvm::VPFirstOrderRecurrencePHIRecipe::execute(), llvm::VPReductionPHIRecipe::execute(), llvm::VPCanonicalIVPHIRecipe::execute(), and llvm::VPActiveLaneMaskPHIRecipe::execute().

Member Data Documentation

ExitBB

BasicBlock* llvm::VPTransformState::CFGState::ExitBB = nullptr

The last IR BasicBlock in the output IR.

Set to the exit block of the vector loop.

Definition at line 370 of file VPlan.h.

Referenced by llvm::VPlan::execute(), llvm::VPBasicBlock::execute(), and llvm::InnerLoopVectorizer::fixVectorizedLoop().

PrevBB

BasicBlock* llvm::VPTransformState::CFGState::PrevBB = nullptr

The previous IR BasicBlock created or used.

Initially set to the new header BasicBlock.

Definition at line 366 of file VPlan.h.

Referenced by llvm::VPWidenIntOrFpInductionRecipe::execute(), llvm::VPFirstOrderRecurrencePHIRecipe::execute(), llvm::VPReductionPHIRecipe::execute(), llvm::VPBranchOnMaskRecipe::execute(), llvm::VPExpandSCEVRecipe::execute(), llvm::VPCanonicalIVPHIRecipe::execute(), llvm::VPWidenCanonicalIVRecipe::execute(), llvm::VPlan::execute(), llvm::VPBasicBlock::execute(), and llvm::VPlan::prepareToExecute().

PrevVPBB

VPBasicBlock* llvm::VPTransformState::CFGState::PrevVPBB = nullptr

The previous VPBasicBlock visited. Initially set to null.

Definition at line 362 of file VPlan.h.

Referenced by llvm::VPlan::execute(), and llvm::VPBasicBlock::execute().

VPBB2IRBB

SmallDenseMap<VPBasicBlock *, BasicBlock *> llvm::VPTransformState::CFGState::VPBB2IRBB

A mapping of each VPBasicBlock to the corresponding BasicBlock.

In case of replication, maps the BasicBlock of the last replica created.

Definition at line 374 of file VPlan.h.

Referenced by llvm::VPlan::execute(), llvm::VPBasicBlock::execute(), llvm::VPRegionBlock::execute(), llvm::InnerLoopVectorizer::fixNonInductionPHIs(), llvm::VPLiveOut::fixPhi(), llvm::InnerLoopVectorizer::fixReduction(), llvm::InnerLoopVectorizer::fixVectorizedLoop(), llvm::VPTransformState::get(), and getPreheaderBBFor().

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

• lib/Transforms/Vectorize/VPlan.h
• lib/Transforms/Vectorize/VPlan.cpp