34#define DEBUG_TYPE "m68k"
65 Ret +=
"-i8:8:8-i16:16:16-i32:16:32";
78 std::optional<Reloc::Model> RM) {
102 std::optional<Reloc::Model> RM,
103 std::optional<CodeModel::Model> CM,
109 Subtarget(TT, CPU, FS, *this) {
117 Attribute CPUAttr =
F.getFnAttribute(
"target-cpu");
118 Attribute FSAttr =
F.getFnAttribute(
"target-features");
123 auto &
I = SubtargetMap[CPU + FS];
129 I = std::make_unique<M68kSubtarget>(
TargetTriple, CPU, FS, *
this);
137 return M68kMachineFunctionInfo::create<M68kMachineFunctionInfo>(
Allocator,
F,
152 return getTM<M68kTargetMachine>();
156 return *getM68kTargetMachine().getSubtargetImpl();
158 void addIRPasses()
override;
159 bool addIRTranslator()
override;
160 bool addLegalizeMachineIR()
override;
161 bool addRegBankSelect()
override;
162 bool addGlobalInstructionSelect()
override;
163 bool addInstSelector()
override;
164 void addPreSched2()
override;
165 void addPreEmitPass()
override;
170 return new M68kPassConfig(*
this, PM);
173void M68kPassConfig::addIRPasses() {
178bool M68kPassConfig::addInstSelector() {
185bool M68kPassConfig::addIRTranslator() {
190bool M68kPassConfig::addLegalizeMachineIR() {
195bool M68kPassConfig::addRegBankSelect() {
200bool M68kPassConfig::addGlobalInstructionSelect() {
207void M68kPassConfig::addPreEmitPass() {
static Reloc::Model getEffectiveRelocModel(const Triple &TT, std::optional< Reloc::Model > RM)
#define LLVM_EXTERNAL_VISIBILITY
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
This file declares the IRTranslator pass.
static std::string computeDataLayout()
This file declares the M68k specific subclass of MachineFunctionInfo.
This file declares the M68k specific subclass of TargetSubtargetInfo.
LLVM_EXTERNAL_VISIBILITY void LLVMInitializeM68kTarget()
This file declares the M68k specific subclass of TargetMachine.
This file contains declarations for M68k ELF object file lowering.
This file contains the entry points for global functions defined in the M68k target library,...
const char LLVMTargetMachineRef TM
This file describes the interface of the MachineFunctionPass responsible for assigning the generic vi...
Target-Independent Code Generator Pass Configuration Options pass.
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.
This pass is responsible for selecting generic machine instructions to target-specific instructions.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
~M68kTargetMachine() override
const M68kSubtarget * getSubtargetImpl() const
MachineFunctionInfo * createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const override
Create the target's instance of MachineFunctionInfo.
M68kTargetMachine(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)
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
This pass implements the reg bank selector pass used in the GlobalISel pipeline.
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.
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
This is an optimization pass for GlobalISel generic memory operations.
void initializeM68kGlobalBaseRegPass(PassRegistry &)
void initializeM68kExpandPseudoPass(PassRegistry &)
void initializeM68kCollapseMOVEMPass(PassRegistry &)
FunctionPass * createM68kGlobalBaseRegPass()
This pass initializes a global base register for PIC on M68k.
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 * createM68kCollapseMOVEMPass()
Finds sequential MOVEM instruction and collapse them into a single one.
FunctionPass * createM68kISelDag(M68kTargetMachine &TM)
This pass converts a legalized DAG into a M68k-specific DAG, ready for instruction scheduling.
CodeGenOptLevel
Code generation optimization level.
void initializeM68kDAGToDAGISelLegacyPass(PassRegistry &)
void initializeGlobalISel(PassRegistry &)
Initialize all passes linked into the GlobalISel library.
Target & getTheM68kTarget()
FunctionPass * createM68kExpandPseudoPass()
Return a Machine IR pass that expands M68k-specific pseudo instructions into a sequence of actual ins...
FunctionPass * createAtomicExpandLegacyPass()
AtomicExpandPass - At IR level this pass replace atomic instructions with __atomic_* library calls,...
Implement std::hash so that hash_code can be used in STL containers.
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...
RegisterTargetMachine - Helper template for registering a target machine implementation,...