37 cl::desc(
"Enable Hexagon constant-extender optimization"));
40 cl::desc(
"Enable RDF-based optimizations"));
44 cl::desc(
"Basic block limit for a function for RDF optimizations"));
48 cl::desc(
"Disable Hardware Loops for Hexagon target"));
52 cl::desc(
"Disable Hexagon Addressing Mode Optimization"));
56 cl::desc(
"Disable Hexagon CFG Optimization"));
60 cl::desc(
"Disable Hexagon constant propagation"));
64 cl::desc(
"Disable Hexagon specific Mask generation pass"));
79 cl::desc(
"Enable early if-conversion"));
83 cl::desc(
"Enable Hexagon copy hoisting"));
87 cl::desc(
"Generate \"insert\" instructions"));
91 cl::desc(
"Enable commoning of GEP instructions"));
95 cl::desc(
"Generate \"extract\" instructions"));
99 cl::desc(
"Enable converting conditional transfers into MUX instructions"));
103 cl::desc(
"Enable conversion of arithmetic operations to "
104 "predicate instructions"));
108 cl::desc(
"Enable loop data prefetch on Hexagon"));
112 cl::desc(
"Disable splitting double registers"));
116 cl::desc(
"Generate absolute set instructions"));
127 cl::desc(
"Disable backend optimizations"));
131 cl::desc(
"Enable Hexagon Vector print instr pass"));
135 cl::desc(
"Enable vextract optimization"));
139 cl::desc(
"Enable HVX vector combining"));
143 cl::desc(
"Simplify the CFG after atomic expansion pass"));
159 C, std::make_unique<HexagonConvergingVLIWScheduler>());
160 DAG->
addMutation(std::make_unique<HexagonSubtarget::UsrOverflowMutation>());
161 DAG->
addMutation(std::make_unique<HexagonSubtarget::HVXMemLatencyMutation>());
162 DAG->
addMutation(std::make_unique<HexagonSubtarget::CallMutation>());
271 std::optional<Reloc::Model> RM,
272 std::optional<CodeModel::Model> CM,
279 "e-m:e-p:32:32:32-a:0-n16:32-"
280 "i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-"
281 "v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048",
286 Subtarget(
Triple(TT), CPU, FS, *this) {
309 if (
F.getFnAttribute(
"unsafe-fp-math").getValueAsBool())
310 FS = FS.empty() ?
"+unsafe-fp" :
"+unsafe-fp," + FS;
312 auto &
I = SubtargetMap[CPU + FS];
318 I = std::make_unique<HexagonSubtarget>(
TargetTriple, CPU, FS, *
this);
324#define GET_PASS_REGISTRY "HexagonPassRegistry.def"
345 return HexagonMachineFunctionInfo::create<HexagonMachineFunctionInfo>(
359 return getTM<HexagonTargetMachine>();
367 void addIRPasses()
override;
368 bool addInstSelector()
override;
369 void addPreRegAlloc()
override;
370 void addPostRegAlloc()
override;
371 void addPreSched2()
override;
372 void addPreEmitPass()
override;
377 return new HexagonPassConfig(*
this, PM);
380void HexagonPassConfig::addIRPasses() {
395 .forwardSwitchCondToPhi(
true)
396 .convertSwitchRangeToICmp(
true)
397 .convertSwitchToLookupTable(
true)
398 .needCanonicalLoops(
false)
399 .hoistCommonInsts(
true)
400 .sinkCommonInsts(
true)));
413bool HexagonPassConfig::addInstSelector() {
452void HexagonPassConfig::addPreRegAlloc() {
473void HexagonPassConfig::addPostRegAlloc() {
484void HexagonPassConfig::addPreSched2() {
494void HexagonPassConfig::addPreEmitPass() {
static cl::opt< bool > EnableLoopPrefetch("amdgpu-loop-prefetch", cl::desc("Enable loop data prefetch on AMDGPU"), cl::Hidden, cl::init(false))
#define LLVM_EXTERNAL_VISIBILITY
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
static cl::opt< bool > EnableExpandCondsets("hexagon-expand-condsets", cl::init(true), cl::Hidden, cl::desc("Early expansion of MUX"))
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 > HexagonNoOpt("hexagon-noopt", cl::init(false), cl::Hidden, cl::desc("Disable backend optimizations"))
static cl::opt< bool > EnableGenExtract("hexagon-extract", cl::init(true), cl::Hidden, cl::desc("Generate \"extract\" instructions"))
static cl::opt< bool > EnableVectorCombine("hexagon-vector-combine", cl::Hidden, cl::init(true), cl::desc("Enable HVX vector combining"))
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 > DisableHexagonCFGOpt("disable-hexagon-cfgopt", cl::Hidden, cl::desc("Disable Hexagon CFG Optimization"))
static cl::opt< bool > DisableAModeOpt("disable-hexagon-amodeopt", cl::Hidden, cl::desc("Disable Hexagon Addressing Mode Optimization"))
static cl::opt< bool > DisableHCP("disable-hcp", cl::Hidden, cl::desc("Disable Hexagon constant propagation"))
static cl::opt< bool > DisableStoreWidening("disable-store-widen", cl::Hidden, cl::init(false), cl::desc("Disable store widening"))
static cl::opt< bool > EnableBitSimplify("hexagon-bit", cl::init(true), cl::Hidden, cl::desc("Bit simplification"))
static cl::opt< bool > EnableVectorPrint("enable-hexagon-vector-print", cl::Hidden, cl::desc("Enable Hexagon Vector print instr pass"))
static MachineSchedRegistry SchedCustomRegistry("hexagon", "Run Hexagon's custom scheduler", createVLIWMachineSched)
static cl::opt< bool > DisableHardwareLoops("disable-hexagon-hwloops", cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target"))
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 > EnableGenMemAbs("hexagon-mem-abs", cl::init(true), cl::Hidden, cl::desc("Generate absolute set instructions"))
static cl::opt< bool > EnableVExtractOpt("hexagon-opt-vextract", cl::Hidden, cl::init(true), cl::desc("Enable vextract optimization"))
static cl::opt< bool > EnableInstSimplify("hexagon-instsimplify", cl::Hidden, cl::init(true), cl::desc("Enable instsimplify"))
static cl::opt< bool > EnableRDFOpt("rdf-opt", cl::Hidden, cl::init(true), cl::desc("Enable RDF-based optimizations"))
static cl::opt< bool > EnableCExtOpt("hexagon-cext", cl::Hidden, cl::init(true), cl::desc("Enable Hexagon constant-extender optimization"))
static Reloc::Model getEffectiveRelocModel(std::optional< Reloc::Model > RM)
int HexagonTargetMachineModule
HexagonTargetMachineModule - Note that this is used on hosts that cannot link in a library unless the...
static cl::opt< bool > DisableHexagonMask("disable-mask", cl::Hidden, cl::desc("Disable Hexagon specific Mask generation pass"))
static cl::opt< bool > EnableLoopResched("hexagon-loop-resched", cl::init(true), cl::Hidden, cl::desc("Loop rescheduling"))
static ScheduleDAGInstrs * createVLIWMachineSched(MachineSchedContext *C)
static cl::opt< bool > EnableTfrCleanup("hexagon-tfr-cleanup", cl::init(true), cl::Hidden, cl::desc("Cleanup of TFRs/COPYs"))
static cl::opt< bool > DisableHSDR("disable-hsdr", cl::init(false), cl::Hidden, cl::desc("Disable splitting double registers"))
static cl::opt< bool > EnableInitialCFGCleanup("hexagon-initial-cfg-cleanup", cl::Hidden, cl::init(true), cl::desc("Simplify the CFG after atomic expansion pass"))
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 > EnableLoopPrefetch("hexagon-loop-prefetch", cl::Hidden, cl::desc("Enable loop data prefetch on Hexagon"))
LLVM_EXTERNAL_VISIBILITY void LLVMInitializeHexagonTarget()
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 > EnableEarlyIf("hexagon-eif", cl::init(true), cl::Hidden, cl::desc("Enable early if-conversion"))
Module.h This file contains the declarations for the Module class.
PassBuilder PB(Machine, PassOpts->PTO, std::nullopt, &PIC)
Target-Independent Code Generator Pass Configuration Options pass.
Attribute getFnAttr(Attribute::AttrKind Kind) const
Return the attribute object that exists for the function.
StringRef getValueAsString() const
Return the attribute's value as a string.
bool isValid() const
Return true if the attribute is any kind of attribute.
Allocate memory in an ever growing pool, as if by bump-pointer.
FunctionPass class - This class is used to implement most global optimizations.
MachineFunctionInfo * createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const override
Create the target's instance of MachineFunctionInfo.
~HexagonTargetMachine() override
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
void registerPassBuilderCallbacks(PassBuilder &PB) override
Allow the target to modify the pass pipeline.
HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, std::optional< Reloc::Model > RM, std::optional< CodeModel::Model > CM, CodeGenOptLevel OL, bool JIT)
const HexagonSubtarget * getSubtargetImpl(const Function &F) const override
Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInf...
TargetTransformInfo getTargetTransformInfo(const Function &F) const override
Get a TargetTransformInfo implementation for the target.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
MachineSchedRegistry provides a selection of available machine instruction schedulers.
This class provides access to building LLVM's passes.
void registerLateLoopOptimizationsEPCallback(const std::function< void(LoopPassManager &, OptimizationLevel)> &C)
Register a callback for a default optimizer pipeline extension point.
void registerLoopOptimizerEndEPCallback(const std::function< void(LoopPassManager &, OptimizationLevel)> &C)
Register a callback for a default optimizer pipeline extension point.
LLVM_ATTRIBUTE_MINSIZE std::enable_if_t< is_detected< HasRunOnLoopT, PassT >::value > addPass(PassT &&Pass)
PassRegistry - This class manages the registration and intitialization of the pass subsystem as appli...
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
Pass interface - Implemented by all 'passes'.
A ScheduleDAG for scheduling lists of MachineInstr.
ScheduleDAGMILive is an implementation of ScheduleDAGInstrs that schedules machine instructions while...
void addMutation(std::unique_ptr< ScheduleDAGMutation > Mutation)
Add a postprocessing step to the DAG builder.
const TargetInstrInfo * TII
Target instruction information.
const TargetRegisterInfo * TRI
Target processor register info.
StringRef - Represent a constant reference to a string, i.e.
std::string str() const
str - Get the contents as an std::string.
Triple TargetTriple
Triple string, CPU name, and target feature strings the TargetMachine instance is created with.
std::unique_ptr< const MCSubtargetInfo > STI
void resetTargetOptions(const Function &F) const
Reset the target options based on the function's attributes.
Target-Independent Code Generator Pass Configuration Options.
virtual void addIRPasses()
Add common target configurable passes that perform LLVM IR to IR transforms following machine indepen...
TargetSubtargetInfo - Generic base class for all target subtargets.
Target - Wrapper for Target specific information.
Triple - Helper class for working with autoconf configuration names.
Extend the standard ScheduleDAGMILive to provide more context and override the top-level schedule() d...
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
Interfaces for registering analysis passes, producing common pass manager configurations,...
@ C
The default llvm calling convention, compatible with C.
initializer< Ty > init(const Ty &Val)
This is an optimization pass for GlobalISel generic memory operations.
FunctionPass * createHexagonVectorPrint()
FunctionPass * createHexagonCopyHoisting()
FunctionPass * createHexagonVectorCombineLegacyPass()
void initializeHexagonOptAddrModePass(PassRegistry &)
FunctionPass * createCFGSimplificationPass(SimplifyCFGOptions Options=SimplifyCFGOptions(), std::function< bool(const Function &)> Ftor=nullptr)
void initializeHexagonNewValueJumpPass(PassRegistry &)
char & HexagonTfrCleanupID
FunctionPass * createHexagonCFGOptimizer()
void initializeHexagonVectorLoopCarriedReuseLegacyPassPass(PassRegistry &)
char & RegisterCoalescerID
RegisterCoalescer - This pass merges live ranges to eliminate copies.
void initializeHexagonDAGToDAGISelLegacyPass(PassRegistry &)
void initializeHexagonSplitDoubleRegsPass(PassRegistry &)
FunctionPass * createDeadCodeEliminationPass()
FunctionPass * createHexagonMergeActivateWeight()
Pass * createHexagonLoopIdiomPass()
FunctionPass * createHexagonNewValueJump()
void initializeHexagonRDFOptPass(PassRegistry &)
FunctionPass * createHexagonBranchRelaxation()
FunctionPass * createHexagonLoopAlign()
void initializeHexagonGenMemAbsolutePass(PassRegistry &Registry)
FunctionPass * createHexagonBitSimplify()
FunctionPass * createHexagonPeephole()
FunctionPass * createHexagonConstExtenders()
FunctionPass * createHexagonConstPropagationPass()
FunctionPass * createHexagonFixupHwLoops()
void initializeHexagonCopyHoistingPass(PassRegistry &Registry)
Target & getTheHexagonTarget()
void initializeHexagonMaskPass(PassRegistry &)
void initializeHexagonExpandCondsetsPass(PassRegistry &)
FunctionPass * createHexagonMask()
void initializeHexagonPacketizerPass(PassRegistry &)
FunctionPass * createHexagonPacketizer(bool Minimal)
void initializeHexagonBitSimplifyPass(PassRegistry &Registry)
CodeModel::Model getEffectiveCodeModel(std::optional< CodeModel::Model > CM, CodeModel::Model Default)
Helper method for getting the code model, returning Default if CM does not have a value.
FunctionPass * createHexagonGenMux()
FunctionPass * createHexagonGenExtract()
FunctionPass * createHexagonEarlyIfConversion()
FunctionPass * createLoopDataPrefetchPass()
FunctionPass * createHexagonCallFrameInformation()
void initializeHexagonTfrCleanupPass(PassRegistry &)
FunctionPass * createHexagonVExtract()
FunctionPass * createHexagonGenPredicate()
void initializeHexagonVectorCombineLegacyPass(PassRegistry &)
CodeGenOptLevel
Code generation optimization level.
FunctionPass * createHexagonGenInsert()
FunctionPass * createHexagonOptimizeSZextends()
FunctionPass * createHexagonLoopRescheduling()
void initializeHexagonEarlyIfConversionPass(PassRegistry &Registry)
FunctionPass * createHexagonSplitConst32AndConst64()
FunctionPass * createHexagonCopyToCombine()
char & MachinePipelinerID
This pass performs software pipelining on machine instructions.
FunctionPass * createHexagonCommonGEP()
FunctionPass * createHexagonISelDag(HexagonTargetMachine &TM, CodeGenOptLevel OptLevel)
createHexagonISelDag - This pass converts a legalized DAG into a Hexagon-specific DAG,...
char & HexagonExpandCondsetsID
FunctionPass * createHexagonOptAddrMode()
void initializeHexagonCopyToCombinePass(PassRegistry &)
FunctionPass * createHexagonGenMemAbsolute()
void initializeHexagonLoopIdiomRecognizeLegacyPassPass(PassRegistry &)
char & VirtRegRewriterID
VirtRegRewriter pass.
FunctionPass * createHexagonTfrCleanup()
FunctionPass * createHexagonSplitDoubleRegs()
FunctionPass * createHexagonHardwareLoops()
void initializeHexagonConstPropagationPass(PassRegistry &Registry)
char & IfConverterID
IfConverter - This pass performs machine code if conversion.
Pass * createHexagonVectorLoopCarriedReuseLegacyPass()
char & UnreachableMachineBlockElimID
UnreachableMachineBlockElimination - This pass removes unreachable machine basic blocks.
FunctionPass * createAtomicExpandLegacyPass()
AtomicExpandPass - At IR level this pass replace atomic instructions with __atomic_* library calls,...
void initializeHexagonConstExtendersPass(PassRegistry &)
FunctionPass * createHexagonStoreWidening()
void initializeHexagonGenMuxPass(PassRegistry &Registry)
std::unique_ptr< ScheduleDAGMutation > createCopyConstrainDAGMutation(const TargetInstrInfo *TII, const TargetRegisterInfo *TRI)
void initializeHexagonLoopAlignPass(PassRegistry &)
void initializeHexagonMergeActivateWeightPass(PassRegistry &)
void initializeHexagonHardwareLoopsPass(PassRegistry &)
char & HexagonCopyHoistingID
FunctionPass * createHexagonRDFOpt()
FunctionPass * createInstSimplifyLegacyPass()
void initializeHexagonVExtractPass(PassRegistry &)
Implement std::hash so that hash_code can be used in STL containers.
Hexagon Vector Loop Carried Reuse Pass.
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...
MachineSchedContext provides enough context from the MachineScheduler pass for the target to instanti...
RegisterTargetMachine - Helper template for registering a target machine implementation,...