Mips16HardFloat.cpp File Reference

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

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "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 void	removeUseSoftFloat (Function &F)

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   "mips16-hard-float"

Definition at line 25 of file Mips16HardFloat.cpp.

Typedef Documentation

TypeID

using TypeID = Type::TypeID

Definition at line 103 of file Mips16HardFloat.cpp.

Enumeration Type Documentation

FPParamVariant

enum FPParamVariant

Enumerator
FSig
FFSig
FDSig
DSig
DDSig
DFSig
NoSig

Definition at line 97 of file Mips16HardFloat.cpp.

FPReturnVariant

enum FPReturnVariant

Enumerator
FRet
DRet
CFRet
CDRet
NoFPRet

Definition at line 64 of file Mips16HardFloat.cpp.

Function Documentation

assureFPCallStub()

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

static

Definition at line 257 of file Mips16HardFloat.cpp.

References llvm::Function::addFnAttr(), CDRet, CFRet, Context, llvm::Function::Create(), llvm::BasicBlock::Create(), DRet, emitInlineAsm(), F, FRet, llvm::Function::getReturnType(), llvm::GlobalValue::isDeclaration(), Name, NoFPRet, llvm::GlobalObject::setSection(), swapFPIntParams(), TM, whichFPParamVariantNeeded(), and whichFPReturnVariant().

Referenced by fixupFPReturnAndCall().

createFPFnStub()

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

static

Definition at line 445 of file Mips16HardFloat.cpp.

References llvm::Function::addFnAttr(), Context, llvm::Function::Create(), llvm::BasicBlock::Create(), emitInlineAsm(), F, llvm::Function::getContext(), Name, llvm::GlobalObject::setSection(), swapFPIntParams(), and TM.

emitInlineAsm()

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

static

Definition at line 47 of file Mips16HardFloat.cpp.

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

Referenced by assureFPCallStub(), and createFPFnStub().

fixupFPReturnAndCall()

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

static

Definition at line 378 of file Mips16HardFloat.cpp.

References A, assureFPCallStub(), llvm::CallingConv::C, llvm::CallInst::Create(), F, llvm::Value::getType(), llvm::Type::getVoidTy(), llvm::Attribute::getWithMemoryEffects(), I, isIntrinsicInline(), Modified, Name, needsFPHelperFromSig(), needsFPReturnHelper(), NoFPRet, llvm::MemoryEffectsBase< LocationEnum >::none(), TM, and whichFPReturnVariant().

isIntrinsicInline()

static bool isIntrinsicInline ( Function *  F )

static

Definition at line 371 of file Mips16HardFloat.cpp.

References F, and IntrinsicInline.

Referenced by fixupFPReturnAndCall().

needsFPHelperFromSig()

static bool needsFPHelperFromSig ( Function &  F )

static

Definition at line 181 of file Mips16HardFloat.cpp.

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

Referenced by fixupFPReturnAndCall().

needsFPReturnHelper() [1/2]

static bool needsFPReturnHelper ( Function &  F )

static

Definition at line 171 of file Mips16HardFloat.cpp.

References F, NoFPRet, and whichFPReturnVariant().

Referenced by fixupFPReturnAndCall(), and needsFPHelperFromSig().

needsFPReturnHelper() [2/2]

static bool needsFPReturnHelper ( FunctionType &  FT )

static

Definition at line 176 of file Mips16HardFloat.cpp.

References NoFPRet, and whichFPReturnVariant().

needsFPStubFromParams()

static bool needsFPStubFromParams ( Function &  F )

static

Definition at line 157 of file Mips16HardFloat.cpp.

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

Referenced by needsFPHelperFromSig().

removeUseSoftFloat()

static void removeUseSoftFloat ( Function &  F )

static

Definition at line 483 of file Mips16HardFloat.cpp.

References llvm::errs(), F, and LLVM_DEBUG.

swapFPIntParams()

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

static

Definition at line 187 of file Mips16HardFloat.cpp.

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

Referenced by assureFPCallStub(), and createFPFnStub().

whichFPParamVariantNeeded()

static FPParamVariant whichFPParamVariantNeeded ( Function &  F )

static

Definition at line 107 of file Mips16HardFloat.cpp.

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

Referenced by assureFPCallStub().

whichFPReturnVariant()

static FPReturnVariant whichFPReturnVariant ( Type *  T )

static

Definition at line 71 of file Mips16HardFloat.cpp.

References CDRet, CFRet, llvm::Type::DoubleTyID, DRet, llvm::Type::FloatTyID, FRet, NoFPRet, and llvm::Type::StructTyID.

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

Variable Documentation

DoubleTyID

const Type::TypeID DoubleTyID = Type::DoubleTyID

Definition at line 105 of file Mips16HardFloat.cpp.

Referenced by whichFPParamVariantNeeded().

FloatTyID

const Type::TypeID FloatTyID = Type::FloatTyID

Definition at line 104 of file Mips16HardFloat.cpp.

Referenced by whichFPParamVariantNeeded().

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 349 of file Mips16HardFloat.cpp.

Referenced by isIntrinsicInline().