#include "Mips.h"
#include "MipsTargetMachine.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Analysis.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ModRef.h"
#include "llvm/Support/raw_ostream.h"
#include <string>

Macros
#define	DEBUG_TYPE "mips-mips16-hard-float"

Typedefs
using	TypeID = Type::TypeID

Enumerations
enum	FPReturnVariant { FRet , DRet , CFRet , CDRet , NoFPRet }
enum	FPParamVariant { FSig , FFSig , FDSig , DSig , DDSig , DFSig , NoSig }

Functions
static void	emitInlineAsm (LLVMContext &C, BasicBlock *BB, StringRef AsmText)
static FPReturnVariant	whichFPReturnVariant (Type *T)
static FPParamVariant	whichFPParamVariantNeeded (Function &F)
static bool	needsFPStubFromParams (Function &F)
static bool	needsFPReturnHelper (Function &F)
static bool	needsFPReturnHelper (FunctionType &FT)
static bool	needsFPHelperFromSig (Function &F)
static std::string	swapFPIntParams (FPParamVariant PV, Module *M, bool LE, bool ToFP)
static void	assureFPCallStub (Function &F, Module *M, const MipsTargetMachine &TM)
static bool	isIntrinsicInline (Function *F)
static bool	fixupFPReturnAndCall (Function &F, Module *M, const MipsTargetMachine &TM)
static void	createFPFnStub (Function F, Module M, FPParamVariant PV, const MipsTargetMachine &TM)
static bool	runHardFloatOnModule (Module &M, const MipsTargetMachine &TM)

Variables
const Type::TypeID	FloatTyID = Type::FloatTyID
const Type::TypeID	DoubleTyID = Type::DoubleTyID
static const char *const	IntrinsicInline []

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "mips-mips16-hard-float"

Definition at line 27 of file Mips16HardFloat.cpp.

Typedef Documentation

◆ TypeID

using TypeID = Type::TypeID

Definition at line 106 of file Mips16HardFloat.cpp.

Enumeration Type Documentation

◆ FPParamVariant

enum FPParamVariant

Enumerator
FSig
FFSig
FDSig
DSig
DDSig
DFSig
NoSig

Definition at line 100 of file Mips16HardFloat.cpp.

◆ FPReturnVariant

enum FPReturnVariant

Enumerator
FRet
DRet
CFRet
CDRet
NoFPRet

Definition at line 67 of file Mips16HardFloat.cpp.

Function Documentation

◆ assureFPCallStub()

void assureFPCallStub	(	Function &	F,
		Module *	M,
		const MipsTargetMachine &	TM )

static

◆ createFPFnStub()

void createFPFnStub	(	Function *	F,
		Module *	M,
		FPParamVariant	PV,
		const MipsTargetMachine &	TM )

static

Definition at line 447 of file Mips16HardFloat.cpp.

References llvm::Function::addFnAttr(), llvm::BasicBlock::Create(), llvm::Function::Create(), emitInlineAsm(), F, llvm::Function::getContext(), llvm::GlobalValue::InternalLinkage, llvm::MipsTargetMachine::isLittleEndian(), llvm::TargetMachine::isPositionIndependent(), llvm::GlobalObject::setSection(), and swapFPIntParams().

Referenced by runHardFloatOnModule().

◆ emitInlineAsm()

void emitInlineAsm	(	LLVMContext &	C,
		BasicBlock *	BB,
		StringRef	AsmText )

static

Definition at line 50 of file Mips16HardFloat.cpp.

References llvm::InlineAsm::AD_ATT, C(), llvm::CallInst::Create(), llvm::FunctionType::get(), llvm::InlineAsm::get(), and llvm::Type::getVoidTy().

Referenced by assureFPCallStub(), and createFPFnStub().

◆ fixupFPReturnAndCall()

bool fixupFPReturnAndCall	(	Function &	F,
		Module *	M,
		const MipsTargetMachine &	TM )

static

Definition at line 380 of file Mips16HardFloat.cpp.

References A(), assureFPCallStub(), C(), llvm::CallInst::Create(), llvm::dyn_cast(), F, llvm::Value::getType(), llvm::Type::getVoidTy(), llvm::Attribute::getWithMemoryEffects(), I, isIntrinsicInline(), llvm::TargetMachine::isPositionIndependent(), Modified, needsFPHelperFromSig(), needsFPReturnHelper(), NoFPRet, llvm::MemoryEffectsBase< IRMemLocation >::none(), T, and whichFPReturnVariant().

Referenced by runHardFloatOnModule().

◆ isIntrinsicInline()

bool isIntrinsicInline ( Function * F )

static

Definition at line 374 of file Mips16HardFloat.cpp.

References llvm::binary_search(), F, and IntrinsicInline.

Referenced by fixupFPReturnAndCall().

◆ needsFPHelperFromSig()

bool needsFPHelperFromSig ( Function & F )

static

Definition at line 184 of file Mips16HardFloat.cpp.

References F, needsFPReturnHelper(), and needsFPStubFromParams().

Referenced by fixupFPReturnAndCall().

◆ needsFPReturnHelper() [1/2]

bool needsFPReturnHelper ( Function & F )

static

Definition at line 174 of file Mips16HardFloat.cpp.

References F, NoFPRet, and whichFPReturnVariant().

Referenced by fixupFPReturnAndCall(), and needsFPHelperFromSig().

◆ needsFPReturnHelper() [2/2]

bool needsFPReturnHelper ( FunctionType & FT )

static

Definition at line 179 of file Mips16HardFloat.cpp.

References NoFPRet, and whichFPReturnVariant().

◆ needsFPStubFromParams()

bool needsFPStubFromParams ( Function & F )

static

Definition at line 160 of file Mips16HardFloat.cpp.

References llvm::Type::DoubleTyID, F, llvm::Type::FloatTyID, and llvm::Type::getTypeID().

Referenced by needsFPHelperFromSig().

◆ runHardFloatOnModule()

bool runHardFloatOnModule	(	Module &	M,
		const MipsTargetMachine &	TM )

static

Definition at line 500 of file Mips16HardFloat.cpp.

References createFPFnStub(), E(), llvm::errs(), F, fixupFPReturnAndCall(), llvm::TargetMachine::getSubtarget(), llvm::MipsSubtarget::inMips16HardFloat(), LLVM_DEBUG, Modified, NoSig, V, and whichFPParamVariantNeeded().

Referenced by llvm::Mips16HardFloatPass::run().

◆ swapFPIntParams()

std::string swapFPIntParams	(	FPParamVariant	PV,
		Module *	M,
		bool	LE,
		bool	ToFP )

static

Definition at line 190 of file Mips16HardFloat.cpp.

References DDSig, DFSig, DSig, FDSig, FFSig, FSig, MI, and NoSig.

Referenced by assureFPCallStub(), and createFPFnStub().

◆ whichFPParamVariantNeeded()

FPParamVariant whichFPParamVariantNeeded ( Function & F )

static

Definition at line 110 of file Mips16HardFloat.cpp.

References DDSig, DFSig, DoubleTyID, DSig, F, FDSig, FFSig, FloatTyID, FSig, llvm_unreachable, and NoSig.

Referenced by assureFPCallStub(), and runHardFloatOnModule().

◆ whichFPReturnVariant()

FPReturnVariant whichFPReturnVariant ( Type * T )

static

Definition at line 74 of file Mips16HardFloat.cpp.

References llvm::cast(), CDRet, CFRet, llvm::Type::DoubleTyID, DRet, llvm::Type::FloatTyID, FRet, NoFPRet, llvm::Type::StructTyID, and T.

Referenced by assureFPCallStub(), fixupFPReturnAndCall(), needsFPReturnHelper(), and needsFPReturnHelper().

Variable Documentation

◆ DoubleTyID

const Type::TypeID DoubleTyID = Type::DoubleTyID

Definition at line 108 of file Mips16HardFloat.cpp.

◆ FloatTyID

const Type::TypeID FloatTyID = Type::FloatTyID

Definition at line 107 of file Mips16HardFloat.cpp.

◆ IntrinsicInline

const char* const IntrinsicInline[]

static

Initial value:

= {
  "fabs", "fabsf",
  "llvm.ceil.f32", "llvm.ceil.f64",
  "llvm.copysign.f32", "llvm.copysign.f64",
  "llvm.cos.f32", "llvm.cos.f64",
  "llvm.exp.f32", "llvm.exp.f64",
  "llvm.exp2.f32", "llvm.exp2.f64",
  "llvm.fabs.f32", "llvm.fabs.f64",
  "llvm.floor.f32", "llvm.floor.f64",
  "llvm.fma.f32", "llvm.fma.f64",
  "llvm.log.f32", "llvm.log.f64",
  "llvm.log10.f32", "llvm.log10.f64",
  "llvm.nearbyint.f32", "llvm.nearbyint.f64",
  "llvm.pow.f32", "llvm.pow.f64",
  "llvm.powi.f32.i32", "llvm.powi.f64.i32",
  "llvm.rint.f32", "llvm.rint.f64",
  "llvm.round.f32", "llvm.round.f64",
  "llvm.sin.f32", "llvm.sin.f64",
  "llvm.sqrt.f32", "llvm.sqrt.f64",
  "llvm.trunc.f32", "llvm.trunc.f64",
}

Definition at line 352 of file Mips16HardFloat.cpp.

Referenced by isIntrinsicInline().

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DEBUG_TYPE

Typedef Documentation

◆ TypeID

Enumeration Type Documentation

◆ FPParamVariant

◆ FPReturnVariant

Function Documentation

◆ assureFPCallStub()

◆ createFPFnStub()

◆ emitInlineAsm()

◆ fixupFPReturnAndCall()

◆ isIntrinsicInline()

◆ needsFPHelperFromSig()

◆ needsFPReturnHelper() [1/2]

◆ needsFPReturnHelper() [2/2]

◆ needsFPStubFromParams()

◆ runHardFloatOnModule()

◆ swapFPIntParams()

◆ whichFPParamVariantNeeded()

◆ whichFPReturnVariant()

Variable Documentation

◆ DoubleTyID

◆ FloatTyID

◆ IntrinsicInline