HexagonTargetMachine.cpp File Reference

#include "HexagonTargetMachine.h"
#include "Hexagon.h"
#include "HexagonISelLowering.h"
#include "HexagonLoopIdiomRecognition.h"
#include "HexagonMachineFunctionInfo.h"
#include "HexagonMachineScheduler.h"
#include "HexagonTargetObjectFile.h"
#include "HexagonTargetTransformInfo.h"
#include "HexagonVectorLoopCarriedReuse.h"
#include "TargetInfo/HexagonTargetInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/VLIWMachineScheduler.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Scalar.h"
#include <optional>
#include "llvm/Passes/TargetPassRegistry.inc"

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	GET_PASS_REGISTRY   "HexagonPassRegistry.def"

Functions
static ScheduleDAGInstrs *	createVLIWMachineSched (MachineSchedContext *C)
void	llvm::initializeHexagonBitSimplifyPass (PassRegistry &Registry)
void	llvm::initializeHexagonCopyHoistingPass (PassRegistry &Registry)
void	llvm::initializeHexagonConstExtendersPass (PassRegistry &)
void	llvm::initializeHexagonConstPropagationPass (PassRegistry &Registry)
void	llvm::initializeHexagonCopyToCombinePass (PassRegistry &)
void	llvm::initializeHexagonEarlyIfConversionPass (PassRegistry &Registry)
void	llvm::initializeHexagonExpandCondsetsPass (PassRegistry &)
void	llvm::initializeHexagonGenMemAbsolutePass (PassRegistry &Registry)
void	llvm::initializeHexagonGenMuxPass (PassRegistry &Registry)
void	llvm::initializeHexagonHardwareLoopsPass (PassRegistry &)
void	llvm::initializeHexagonLoopIdiomRecognizeLegacyPassPass (PassRegistry &)
void	llvm::initializeHexagonLoopAlignPass (PassRegistry &)
void	llvm::initializeHexagonMaskPass (PassRegistry &)
void	llvm::initializeHexagonMergeActivateWeightPass (PassRegistry &)
void	llvm::initializeHexagonNewValueJumpPass (PassRegistry &)
void	llvm::initializeHexagonOptAddrModePass (PassRegistry &)
void	llvm::initializeHexagonPacketizerPass (PassRegistry &)
void	llvm::initializeHexagonRDFOptPass (PassRegistry &)
void	llvm::initializeHexagonSplitDoubleRegsPass (PassRegistry &)
void	llvm::initializeHexagonTfrCleanupPass (PassRegistry &)
void	llvm::initializeHexagonVExtractPass (PassRegistry &)
void	llvm::initializeHexagonVectorCombineLegacyPass (PassRegistry &)
void	llvm::initializeHexagonVectorLoopCarriedReuseLegacyPassPass (PassRegistry &)
Pass *	llvm::createHexagonLoopIdiomPass ()
Pass *	llvm::createHexagonVectorLoopCarriedReuseLegacyPass ()
FunctionPass *	llvm::createHexagonBitSimplify ()
FunctionPass *	llvm::createHexagonBranchRelaxation ()
FunctionPass *	llvm::createHexagonCallFrameInformation ()
FunctionPass *	llvm::createHexagonCFGOptimizer ()
FunctionPass *	llvm::createHexagonCommonGEP ()
FunctionPass *	llvm::createHexagonConstExtenders ()
FunctionPass *	llvm::createHexagonConstPropagationPass ()
FunctionPass *	llvm::createHexagonCopyHoisting ()
FunctionPass *	llvm::createHexagonCopyToCombine ()
FunctionPass *	llvm::createHexagonEarlyIfConversion ()
FunctionPass *	llvm::createHexagonFixupHwLoops ()
FunctionPass *	llvm::createHexagonGenExtract ()
FunctionPass *	llvm::createHexagonGenInsert ()
FunctionPass *	llvm::createHexagonGenMemAbsolute ()
FunctionPass *	llvm::createHexagonGenMux ()
FunctionPass *	llvm::createHexagonGenPredicate ()
FunctionPass *	llvm::createHexagonHardwareLoops ()
FunctionPass *	llvm::createHexagonISelDag (HexagonTargetMachine &TM, CodeGenOptLevel OptLevel)
	createHexagonISelDag - This pass converts a legalized DAG into a Hexagon-specific DAG, ready for instruction scheduling.
FunctionPass *	llvm::createHexagonLoopAlign ()
FunctionPass *	llvm::createHexagonLoopRescheduling ()
FunctionPass *	llvm::createHexagonMask ()
FunctionPass *	llvm::createHexagonMergeActivateWeight ()
FunctionPass *	llvm::createHexagonNewValueJump ()
FunctionPass *	llvm::createHexagonOptAddrMode ()
FunctionPass *	llvm::createHexagonOptimizeSZextends ()
FunctionPass *	llvm::createHexagonPacketizer (bool Minimal)
FunctionPass *	llvm::createHexagonPeephole ()
FunctionPass *	llvm::createHexagonRDFOpt ()
FunctionPass *	llvm::createHexagonSplitConst32AndConst64 ()
FunctionPass *	llvm::createHexagonSplitDoubleRegs ()
FunctionPass *	llvm::createHexagonStoreWidening ()
FunctionPass *	llvm::createHexagonTfrCleanup ()
FunctionPass *	llvm::createHexagonVectorCombineLegacyPass ()
FunctionPass *	llvm::createHexagonVectorPrint ()
FunctionPass *	llvm::createHexagonVExtract ()
static Reloc::Model	getEffectiveRelocModel (std::optional< Reloc::Model > RM)
LLVM_EXTERNAL_VISIBILITY void	LLVMInitializeHexagonTarget ()

Variables
static cl::opt< bool >	EnableCExtOpt ("hexagon-cext", cl::Hidden, cl::init(true), cl::desc("Enable Hexagon constant-extender optimization"))
static cl::opt< bool >	EnableRDFOpt ("rdf-opt", cl::Hidden, cl::init(true), cl::desc("Enable RDF-based optimizations"))
cl::opt< unsigned >	RDFFuncBlockLimit ("rdf-bb-limit", cl::Hidden, cl::init(1000), cl::desc("Basic block limit for a function for RDF optimizations"))
static cl::opt< bool >	DisableHardwareLoops ("disable-hexagon-hwloops", cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target"))
static cl::opt< bool >	DisableAModeOpt ("disable-hexagon-amodeopt", cl::Hidden, cl::desc("Disable Hexagon Addressing Mode Optimization"))
static cl::opt< bool >	DisableHexagonCFGOpt ("disable-hexagon-cfgopt", cl::Hidden, cl::desc("Disable Hexagon CFG Optimization"))
static cl::opt< bool >	DisableHCP ("disable-hcp", cl::Hidden, cl::desc("Disable Hexagon constant propagation"))
static cl::opt< bool >	DisableHexagonMask ("disable-mask", cl::Hidden, cl::desc("Disable Hexagon specific Mask generation pass"))
static cl::opt< bool >	DisableStoreWidening ("disable-store-widen", cl::Hidden, cl::init(false), cl::desc("Disable store widening"))
static cl::opt< bool >	EnableExpandCondsets ("hexagon-expand-condsets", cl::init(true), cl::Hidden, cl::desc("Early expansion of MUX"))
static cl::opt< bool >	EnableTfrCleanup ("hexagon-tfr-cleanup", cl::init(true), cl::Hidden, cl::desc("Cleanup of TFRs/COPYs"))
static cl::opt< bool >	EnableEarlyIf ("hexagon-eif", cl::init(true), cl::Hidden, cl::desc("Enable early if-conversion"))
static cl::opt< bool >	EnableCopyHoist ("hexagon-copy-hoist", cl::init(true), cl::Hidden, cl::ZeroOrMore, cl::desc("Enable Hexagon copy hoisting"))
static cl::opt< bool >	EnableGenInsert ("hexagon-insert", cl::init(true), cl::Hidden, cl::desc("Generate \"insert\" instructions"))
static cl::opt< bool >	EnableCommGEP ("hexagon-commgep", cl::init(true), cl::Hidden, cl::desc("Enable commoning of GEP instructions"))
static cl::opt< bool >	EnableGenExtract ("hexagon-extract", cl::init(true), cl::Hidden, cl::desc("Generate \"extract\" instructions"))
static cl::opt< bool >	EnableGenMux ("hexagon-mux", cl::init(true), cl::Hidden, cl::desc("Enable converting conditional transfers into MUX instructions"))
static cl::opt< bool >	EnableGenPred ("hexagon-gen-pred", cl::init(true), cl::Hidden, cl::desc("Enable conversion of arithmetic operations to " "predicate instructions"))
static cl::opt< bool >	EnableLoopPrefetch ("hexagon-loop-prefetch", cl::Hidden, cl::desc("Enable loop data prefetch on Hexagon"))
static cl::opt< bool >	DisableHSDR ("disable-hsdr", cl::init(false), cl::Hidden, cl::desc("Disable splitting double registers"))
static cl::opt< bool >	EnableGenMemAbs ("hexagon-mem-abs", cl::init(true), cl::Hidden, cl::desc("Generate absolute set instructions"))
static cl::opt< bool >	EnableBitSimplify ("hexagon-bit", cl::init(true), cl::Hidden, cl::desc("Bit simplification"))
static cl::opt< bool >	EnableLoopResched ("hexagon-loop-resched", cl::init(true), cl::Hidden, cl::desc("Loop rescheduling"))
static cl::opt< bool >	HexagonNoOpt ("hexagon-noopt", cl::init(false), cl::Hidden, cl::desc("Disable backend optimizations"))
static cl::opt< bool >	EnableVectorPrint ("enable-hexagon-vector-print", cl::Hidden, cl::desc("Enable Hexagon Vector print instr pass"))
static cl::opt< bool >	EnableVExtractOpt ("hexagon-opt-vextract", cl::Hidden, cl::init(true), cl::desc("Enable vextract optimization"))
static cl::opt< bool >	EnableVectorCombine ("hexagon-vector-combine", cl::Hidden, cl::init(true), cl::desc("Enable HVX vector combining"))
static cl::opt< bool >	EnableInitialCFGCleanup ("hexagon-initial-cfg-cleanup", cl::Hidden, cl::init(true), cl::desc("Simplify the CFG after atomic expansion pass"))
static cl::opt< bool >	EnableInstSimplify ("hexagon-instsimplify", cl::Hidden, cl::init(true), cl::desc("Enable instsimplify"))
int	HexagonTargetMachineModule = 0
	HexagonTargetMachineModule - Note that this is used on hosts that cannot link in a library unless there are references into the library.
static MachineSchedRegistry	SchedCustomRegistry ("hexagon", "Run Hexagon's custom scheduler", createVLIWMachineSched)
char &	llvm::HexagonTfrCleanupID = HexagonTfrCleanup::ID

Macro Definition Documentation

GET_PASS_REGISTRY

#define GET_PASS_REGISTRY   "HexagonPassRegistry.def"

Function Documentation

createVLIWMachineSched()

static ScheduleDAGInstrs * createVLIWMachineSched ( MachineSchedContext *  C )

static

Definition at line 157 of file HexagonTargetMachine.cpp.

References llvm::ScheduleDAGMI::addMutation(), llvm::CallingConv::C, llvm::createCopyConstrainDAGMutation(), llvm::ScheduleDAG::TII, and llvm::ScheduleDAG::TRI.

getEffectiveRelocModel()

static Reloc::Model getEffectiveRelocModel ( std::optional< Reloc::Model >  RM )

static

Definition at line 239 of file HexagonTargetMachine.cpp.

References llvm::Reloc::Static.

LLVMInitializeHexagonTarget()

LLVM_EXTERNAL_VISIBILITY void LLVMInitializeHexagonTarget

(

)

Definition at line 243 of file HexagonTargetMachine.cpp.

References llvm::PassRegistry::getPassRegistry(), llvm::getTheHexagonTarget(), llvm::initializeHexagonBitSimplifyPass(), llvm::initializeHexagonConstExtendersPass(), llvm::initializeHexagonConstPropagationPass(), llvm::initializeHexagonCopyToCombinePass(), llvm::initializeHexagonDAGToDAGISelLegacyPass(), llvm::initializeHexagonEarlyIfConversionPass(), llvm::initializeHexagonGenMemAbsolutePass(), llvm::initializeHexagonGenMuxPass(), llvm::initializeHexagonHardwareLoopsPass(), llvm::initializeHexagonLoopIdiomRecognizeLegacyPassPass(), llvm::initializeHexagonNewValueJumpPass(), llvm::initializeHexagonOptAddrModePass(), llvm::initializeHexagonPacketizerPass(), llvm::initializeHexagonRDFOptPass(), llvm::initializeHexagonSplitDoubleRegsPass(), llvm::initializeHexagonVectorCombineLegacyPass(), llvm::initializeHexagonVectorLoopCarriedReuseLegacyPassPass(), llvm::initializeHexagonVExtractPass(), and X.

Variable Documentation

DisableAModeOpt

cl::opt< bool > DisableAModeOpt("disable-hexagon-amodeopt", cl::Hidden, cl::desc("Disable Hexagon Addressing Mode Optimization")) ( "disable-hexagon-amodeopt"  , cl::Hidden  , cl::desc("Disable Hexagon Addressing Mode Optimization")    )

static

DisableHardwareLoops

cl::opt< bool > DisableHardwareLoops("disable-hexagon-hwloops", cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target")) ( "disable-hexagon-hwloops"  , cl::Hidden  , cl::desc("Disable Hardware Loops for Hexagon target")    )

static

DisableHCP

cl::opt< bool > DisableHCP("disable-hcp", cl::Hidden, cl::desc("Disable Hexagon constant propagation")) ( "disable-hcp"  , cl::Hidden  , cl::desc("Disable Hexagon constant propagation")    )

static

DisableHexagonCFGOpt

cl::opt< bool > DisableHexagonCFGOpt("disable-hexagon-cfgopt", cl::Hidden, cl::desc("Disable Hexagon CFG Optimization")) ( "disable-hexagon-cfgopt"  , cl::Hidden  , cl::desc("Disable Hexagon CFG Optimization")    )

static

DisableHexagonMask

cl::opt< bool > DisableHexagonMask("disable-mask", cl::Hidden, cl::desc("Disable Hexagon specific Mask generation pass")) ( "disable-mask"  , cl::Hidden  , cl::desc("Disable Hexagon specific Mask generation pass")    )

static

DisableHSDR

cl::opt< bool > DisableHSDR("disable-hsdr", cl::init(false), cl::Hidden, cl::desc("Disable splitting double registers")) ( "disable-hsdr"  , cl::init(false)  , cl::Hidden  , cl::desc("Disable splitting double registers")    )

static

DisableStoreWidening

cl::opt< bool > DisableStoreWidening("disable-store-widen", cl::Hidden, cl::init(false), cl::desc("Disable store widening")) ( "disable-store-widen"  , cl::Hidden  , cl::init(false)  , cl::desc("Disable store widening")    )

static

EnableBitSimplify

cl::opt< bool > EnableBitSimplify("hexagon-bit", cl::init(true), cl::Hidden, cl::desc("Bit simplification")) ( "hexagon-bit"  , cl::init(true)  , cl::Hidden  , cl::desc("Bit simplification")    )

static

EnableCExtOpt

cl::opt< bool > EnableCExtOpt("hexagon-cext", cl::Hidden, cl::init(true), cl::desc("Enable Hexagon constant-extender optimization")) ( "hexagon-cext"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable Hexagon constant-extender optimization")    )

static

EnableCommGEP

cl::opt< bool > EnableCommGEP("hexagon-commgep", cl::init(true), cl::Hidden, cl::desc("Enable commoning of GEP instructions")) ( "hexagon-commgep"  , cl::init(true)  , cl::Hidden  , cl::desc("Enable commoning of GEP instructions")    )

static

EnableCopyHoist

cl::opt< bool > EnableCopyHoist("hexagon-copy-hoist", cl::init(true), cl::Hidden, cl::ZeroOrMore, cl::desc("Enable Hexagon copy hoisting")) ( "hexagon-copy-hoist"  , cl::init(true)  , cl::Hidden  , cl::ZeroOrMore  , cl::desc("Enable Hexagon copy hoisting")    )

static

EnableEarlyIf

cl::opt< bool > EnableEarlyIf("hexagon-eif", cl::init(true), cl::Hidden, cl::desc("Enable early if-conversion")) ( "hexagon-eif"  , cl::init(true)  , cl::Hidden  , cl::desc("Enable early if-conversion")    )

static

EnableExpandCondsets

cl::opt< bool > EnableExpandCondsets("hexagon-expand-condsets", cl::init(true), cl::Hidden, cl::desc("Early expansion of MUX")) ( "hexagon-expand-condsets"  , cl::init(true)  , cl::Hidden  , cl::desc("Early expansion of MUX")    )

static

EnableGenExtract

cl::opt< bool > EnableGenExtract("hexagon-extract", cl::init(true), cl::Hidden, cl::desc("Generate \"extract\" instructions")) ( "hexagon-extract"  , cl::init(true)  , cl::Hidden  , cl::desc("Generate \"extract\" instructions")    )

static

EnableGenInsert

cl::opt< bool > EnableGenInsert("hexagon-insert", cl::init(true), cl::Hidden, cl::desc("Generate \"insert\" instructions")) ( "hexagon-insert"  , cl::init(true)  , cl::Hidden  , cl::desc("Generate \"insert\" instructions")    )

static

EnableGenMemAbs

cl::opt< bool > EnableGenMemAbs("hexagon-mem-abs", cl::init(true), cl::Hidden, cl::desc("Generate absolute set instructions")) ( "hexagon-mem-abs"  , cl::init(true)  , cl::Hidden  , cl::desc("Generate absolute set instructions")    )

static

EnableGenMux

cl::opt< bool > EnableGenMux("hexagon-mux", cl::init(true), cl::Hidden, cl::desc("Enable converting conditional transfers into MUX instructions")) ( "hexagon-mux"  , cl::init(true)  , cl::Hidden  , cl::desc("Enable converting conditional transfers into MUX instructions")    )

static

EnableGenPred

cl::opt< bool > EnableGenPred("hexagon-gen-pred", cl::init(true), cl::Hidden, cl::desc("Enable conversion of arithmetic operations to " "predicate instructions")) ( "hexagon-gen-pred"  , cl::init(true)  , cl::Hidden  , cl::desc("Enable conversion of arithmetic operations to " "predicate instructions")    )

static

EnableInitialCFGCleanup

cl::opt< bool > EnableInitialCFGCleanup("hexagon-initial-cfg-cleanup", cl::Hidden, cl::init(true), cl::desc("Simplify the CFG after atomic expansion pass")) ( "hexagon-initial-cfg-cleanup"  , cl::Hidden  , cl::init(true)  , cl::desc("Simplify the CFG after atomic expansion pass")    )

static

EnableInstSimplify

cl::opt< bool > EnableInstSimplify("hexagon-instsimplify", cl::Hidden, cl::init(true), cl::desc("Enable instsimplify")) ( "hexagon-instsimplify"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable instsimplify")    )

static

EnableLoopPrefetch

cl::opt< bool > EnableLoopPrefetch("hexagon-loop-prefetch", cl::Hidden, cl::desc("Enable loop data prefetch on Hexagon")) ( "hexagon-loop-prefetch"  , cl::Hidden  , cl::desc("Enable loop data prefetch on Hexagon")    )

static

EnableLoopResched

cl::opt< bool > EnableLoopResched("hexagon-loop-resched", cl::init(true), cl::Hidden, cl::desc("Loop rescheduling")) ( "hexagon-loop-resched"  , cl::init(true)  , cl::Hidden  , cl::desc("Loop rescheduling")    )

static

EnableRDFOpt

cl::opt< bool > EnableRDFOpt("rdf-opt", cl::Hidden, cl::init(true), cl::desc("Enable RDF-based optimizations")) ( "rdf-opt"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable RDF-based optimizations")    )

static

EnableTfrCleanup

cl::opt< bool > EnableTfrCleanup("hexagon-tfr-cleanup", cl::init(true), cl::Hidden, cl::desc("Cleanup of TFRs/COPYs")) ( "hexagon-tfr-cleanup"  , cl::init(true)  , cl::Hidden  , cl::desc("Cleanup of TFRs/COPYs")    )

static

EnableVectorCombine

cl::opt< bool > EnableVectorCombine("hexagon-vector-combine", cl::Hidden, cl::init(true), cl::desc("Enable HVX vector combining")) ( "hexagon-vector-combine"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable HVX vector combining")    )

static

EnableVectorPrint

cl::opt< bool > EnableVectorPrint("enable-hexagon-vector-print", cl::Hidden, cl::desc("Enable Hexagon Vector print instr pass")) ( "enable-hexagon-vector-print"  , cl::Hidden  , cl::desc("Enable Hexagon Vector print instr pass")    )

static

EnableVExtractOpt

cl::opt< bool > EnableVExtractOpt("hexagon-opt-vextract", cl::Hidden, cl::init(true), cl::desc("Enable vextract optimization")) ( "hexagon-opt-vextract"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable vextract optimization")    )

static

HexagonNoOpt

cl::opt< bool > HexagonNoOpt("hexagon-noopt", cl::init(false), cl::Hidden, cl::desc("Disable backend optimizations")) ( "hexagon-noopt"  , cl::init(false)  , cl::Hidden  , cl::desc("Disable backend optimizations")    )

static

HexagonTargetMachineModule

int HexagonTargetMachineModule = 0

HexagonTargetMachineModule - Note that this is used on hosts that cannot link in a library unless there are references into the library.

In particular, it seems that it is not possible to get things to work on Win32 without this. Though it is unused, do not remove it.

Definition at line 154 of file HexagonTargetMachine.cpp.

RDFFuncBlockLimit

cl::opt< unsigned > RDFFuncBlockLimit("rdf-bb-limit", cl::Hidden, cl::init(1000), cl::desc("Basic block limit for a function for RDF optimizations"))	(	"rdf-bb-limit"	,
		cl::Hidden	,
		cl::init(1000)	,
		cl::desc("Basic block limit for a function for RDF optimizations")
	)

SchedCustomRegistry

MachineSchedRegistry SchedCustomRegistry("hexagon", "Run Hexagon's custom scheduler", createVLIWMachineSched) ( "hexagon"  , "Run Hexagon's custom scheduler"  , createVLIWMachineSched    )

static