BasicBlockSections.cpp File Reference

#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/CodeGen/BasicBlockSectionUtils.h"
#include "llvm/CodeGen/BasicBlockSectionsProfileReader.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Target/TargetMachine.h"
#include <optional>

Go to the source code of this file.

Functions
	INITIALIZE_PASS_BEGIN (BasicBlockSections, "bbsections-prepare", "Prepares for basic block sections, by splitting functions " "into clusters of basic blocks.", false, false) INITIALIZE_PASS_END(BasicBlockSections
bbsections Prepares for basic block by splitting functions into clusters of basic static false void	updateBranches (MachineFunction &MF, const SmallVector< MachineBasicBlock * > &PreLayoutFallThroughs)
static void	assignSections (MachineFunction &MF, const DenseMap< UniqueBBID, BBClusterInfo > &FuncClusterInfo)

Variables
static cl::opt< bool >	BBSectionsDetectSourceDrift ("bbsections-detect-source-drift", cl::desc("This checks if there is a fdo instr. profile hash " "mismatch for this function"), cl::init(true), cl::Hidden)
bbsections	prepare
bbsections Prepares for basic block	sections
bbsections Prepares for basic block by splitting functions into clusters of basic	blocks
bbsections Prepares for basic block by splitting functions into clusters of basic	false

Function Documentation

assignSections()

static void assignSections ( MachineFunction &  MF, const DenseMap< UniqueBBID, BBClusterInfo > &  FuncClusterInfo  )

static

Definition at line 182 of file BasicBlockSections.cpp.

References llvm::All, assert(), llvm::MBBSectionID::ColdSectionID, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::empty(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::MBBSectionID::ExceptionSectionID, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::MachineBasicBlock::getBBID(), llvm::TargetMachine::getBBSectionsType(), llvm::MachineBasicBlock::getNumber(), llvm::MachineBasicBlock::getSectionID(), llvm::MachineFunction::getTarget(), llvm::MachineFunction::hasBBSections(), I, llvm::MachineBasicBlock::isEHPad(), MBB, and llvm::MachineBasicBlock::setSectionID().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	BasicBlockSections	,
		"bbsections-prepare"	,
		"Prepares for basic block	sections,
		by splitting functions " "into clusters of basic blocks."	,
		false	,
		false
	)

updateBranches()

bbsections Prepares for basic block by splitting functions into clusters of basic static false void updateBranches ( MachineFunction &  MF, const SmallVector< MachineBasicBlock * > &  PreLayoutFallThroughs  )

static

Definition at line 140 of file BasicBlockSections.cpp.

References llvm::HexagonInstrInfo::analyzeBranch(), Cond, llvm::MachineBasicBlock::findBranchDebugLoc(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineBasicBlock::getNumber(), llvm::MachineBasicBlock::isEndSection(), MBB, TBB, TII, and llvm::MachineBasicBlock::updateTerminator().

Referenced by llvm::sortBasicBlocksAndUpdateBranches().

Variable Documentation

BBSectionsDetectSourceDrift

cl::opt< bool > BBSectionsDetectSourceDrift("bbsections-detect-source-drift", cl::desc("This checks if there is a fdo instr. profile hash " "mismatch for this function"), cl::init(true), cl::Hidden) ( "bbsections-detect-source-drift"  , cl::desc("This checks if there is a fdo instr. profile hash " "mismatch for this function")  , cl::init(true)  , cl::Hidden    )

static

Referenced by llvm::hasInstrProfHashMismatch().

blocks

bbsections Prepares for basic block by splitting functions into clusters of basic blocks

Definition at line 134 of file BasicBlockSections.cpp.

Referenced by blake3_hash16_avx512(), blake3_hash4_avx512(), blake3_hash4_sse2(), blake3_hash4_sse41(), blake3_hash8_avx2(), blake3_hash8_avx512(), blake3_hash_many(), blake3_hash_many_avx2(), blake3_hash_many_avx512(), blake3_hash_many_portable(), blake3_hash_many_sse2(), blake3_hash_many_sse41(), llvm::deleteDeadLoop(), llvm::GCOVBlock::getCyclesCount(), llvm::LoopBase< BlockT, LoopT >::getExitBlocks(), llvm::GenericCycle< ContextT >::getExitBlocks(), llvm::LoopBase< BlockT, LoopT >::getExitEdges(), llvm::LoopBase< BlockT, LoopT >::getExitingBlock(), llvm::LoopBase< BlockT, LoopT >::getExitingBlocks(), hash_one_avx512(), hash_one_portable(), hash_one_sse2(), hash_one_sse41(), and llvm::RegionBase< RegionTraits< MachineFunction > >::outermostLoopInRegion().

false

bbsections Prepares for basic block by splitting functions into clusters of basic false

Definition at line 135 of file BasicBlockSections.cpp.

prepare

bbsections prepare

Definition at line 132 of file BasicBlockSections.cpp.

Referenced by llvm::jitlink::ELFLinkGraphBuilder< ELFT >::buildGraph().

sections

bbsections Prepares for basic block sections

Definition at line 133 of file BasicBlockSections.cpp.

Referenced by llvm::object::ELFFile< ELFT >::dynamicEntries(), llvm::object::ELFFile< ELFT >::getDynSymtabSize(), llvm::object::ELFFile< ELFT >::getSection(), llvm::object::ELFFile< ELFT >::getSectionAndRelocations(), llvm::object::ELFFile< ELFT >::getSectionName(), llvm::object::ELFFile< ELFT >::getSHNDXTable(), llvm::object::ELFFile< ELFT >::getStringTableForSymtab(), llvm::pdb::InputFile::hasTypes(), and LLVMObjectFileCopySectionIterator().