Mips16HardFloat.cpp File Reference

#include "Mips16HardFloat.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <string>

Include dependency graph for Mips16HardFloat.cpp:

Go to the source code of this file.

Namespaces
	llvm
	List of target independent CodeGen pass IDs.

Macros
#define	DEBUG_TYPE   "mips16-hard-float"

Typedefs
typedef Type::TypeID	TypeID

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

Functions
static void	inlineAsmOut (LLVMContext &C, StringRef AsmString, BasicBlock *BB)
static FPReturnVariant	whichFPReturnVariant (Type *T)
static FPParamVariant	whichFPParamVariantNeeded (Function &F)
static bool	needsFPStubFromParams (Function &F)
static bool	needsFPReturnHelper (Function &F)
static bool	needsFPHelperFromSig (Function &F)
static void	swapFPIntParams (FPParamVariant PV, Module *M, InlineAsmHelper &IAH, bool LE, bool ToFP)
static void	assureFPCallStub (Function &F, Module *M, const MipsSubtarget &Subtarget)
static bool	isIntrinsicInline (Function *F)
static bool	fixupFPReturnAndCall (Function &F, Module *M, const MipsSubtarget &Subtarget)
static void	createFPFnStub (Function *F, Module *M, FPParamVariant PV, const MipsSubtarget &Subtarget)
static void	removeUseSoftFloat (Function &F)

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

Macro Definition Documentation

#define DEBUG_TYPE   "mips16-hard-float"

Definition at line 14 of file Mips16HardFloat.cpp.

Typedef Documentation

typedef Type::TypeID TypeID

Definition at line 96 of file Mips16HardFloat.cpp.

Enumeration Type Documentation

enum FPParamVariant

Enumerator
FSig
FFSig
FDSig
DSig
DDSig
DFSig
NoSig

Definition at line 89 of file Mips16HardFloat.cpp.

enum FPReturnVariant

Enumerator
FRet
DRet
CFRet
CDRet
NoFPRet

Definition at line 56 of file Mips16HardFloat.cpp.

Function Documentation

static void assureFPCallStub ( Function &  F, Module *  M, const MipsSubtarget &  Subtarget  )

static

Definition at line 242 of file Mips16HardFloat.cpp.

References llvm::Function::addFnAttr(), CDRet, CFRet, DRet, FRet, llvm::Module::getContext(), llvm::Module::getFunction(), llvm::Function::getFunctionType(), llvm::Value::getName(), llvm::MipsSubtarget::getRelocationModel(), llvm::Function::getReturnType(), llvm::GlobalValue::isDeclaration(), llvm::MipsSubtarget::isLittle(), llvm::Attribute::Naked, NoFPRet, llvm::Attribute::NoInline, llvm::Attribute::NoUnwind, llvm::Reloc::PIC_, llvm::GlobalValue::setSection(), swapFPIntParams(), whichFPParamVariantNeeded(), and whichFPReturnVariant().

Referenced by fixupFPReturnAndCall().

static void createFPFnStub ( Function *  F, Module *  M, FPParamVariant  PV, const MipsSubtarget &  Subtarget  )

static

Definition at line 417 of file Mips16HardFloat.cpp.

References llvm::Function::addFnAttr(), llvm::Function::getContext(), llvm::Module::getContext(), llvm::Function::getFunctionType(), llvm::Value::getName(), llvm::MipsSubtarget::getRelocationModel(), llvm::MipsSubtarget::isLittle(), llvm::Attribute::Naked, llvm::Attribute::NoInline, llvm::Attribute::NoUnwind, llvm::Reloc::PIC_, llvm::GlobalValue::setSection(), and swapFPIntParams().

Referenced by llvm::Mips16HardFloat::runOnModule().

static bool fixupFPReturnAndCall ( Function &  F, Module *  M, const MipsSubtarget &  Subtarget  )

static

Definition at line 360 of file Mips16HardFloat.cpp.

References llvm::ARM_PROC::A, llvm::AttributeSet::addAttribute(), assureFPCallStub(), llvm::BasicBlock::begin(), llvm::Function::begin(), llvm::BasicBlock::end(), llvm::Function::end(), llvm::Module::getContext(), llvm::Module::getOrInsertFunction(), llvm::MipsSubtarget::getRelocationModel(), llvm::Value::getType(), I, isIntrinsicInline(), needsFPHelperFromSig(), NoFPRet, llvm::Reloc::PIC_, and whichFPReturnVariant().

Referenced by llvm::Mips16HardFloat::runOnModule().

static void inlineAsmOut ( LLVMContext &  C, StringRef  AsmString, BasicBlock *  BB  )

static

Definition at line 23 of file Mips16HardFloat.cpp.

References llvm::InlineAsm::AD_ATT, llvm::InlineAsm::get(), and llvm::FunctionType::get().

static bool isIntrinsicInline ( Function *  F )

static

Definition at line 350 of file Mips16HardFloat.cpp.

References llvm::array_endof(), and llvm::Value::getName().

Referenced by fixupFPReturnAndCall().

static bool needsFPHelperFromSig ( Function &  F )

static

Definition at line 170 of file Mips16HardFloat.cpp.

References needsFPReturnHelper(), and needsFPStubFromParams().

Referenced by fixupFPReturnAndCall().

static bool needsFPReturnHelper ( Function &  F )

static

Definition at line 165 of file Mips16HardFloat.cpp.

References llvm::Function::getReturnType(), NoFPRet, and whichFPReturnVariant().

Referenced by needsFPHelperFromSig().

static bool needsFPStubFromParams ( Function &  F )

static

Definition at line 151 of file Mips16HardFloat.cpp.

References llvm::Function::arg_size(), DoubleTyID, FloatTyID, llvm::Function::getFunctionType(), llvm::FunctionType::getParamType(), and llvm::Type::getTypeID().

Referenced by needsFPHelperFromSig().

static void removeUseSoftFloat ( Function &  F )

static

Definition at line 458 of file Mips16HardFloat.cpp.

References llvm::ARM_PROC::A, llvm::AttributeSet::addAttribute(), llvm::Function::addAttributes(), DEBUG, llvm::errs(), llvm::Function::getContext(), llvm::Function::hasFnAttribute(), and llvm::Function::removeAttributes().

Referenced by llvm::Mips16HardFloat::runOnModule().

static void swapFPIntParams ( FPParamVariant  PV, Module *  M, InlineAsmHelper &  IAH, bool  LE, bool  ToFP  )

static

Definition at line 180 of file Mips16HardFloat.cpp.

References DDSig, DFSig, DSig, FDSig, FFSig, FSig, llvm::A64CC::MI, and NoSig.

Referenced by assureFPCallStub(), and createFPFnStub().

static FPParamVariant whichFPParamVariantNeeded ( Function &  F )

static

Definition at line 100 of file Mips16HardFloat.cpp.

References llvm::Function::arg_size(), DDSig, DFSig, DSig, FDSig, FFSig, FSig, llvm::Function::getFunctionType(), llvm::FunctionType::getParamType(), llvm::Type::getTypeID(), llvm_unreachable, and NoSig.

Referenced by assureFPCallStub(), and llvm::Mips16HardFloat::runOnModule().

static FPReturnVariant whichFPReturnVariant ( Type *  T )

static

Definition at line 63 of file Mips16HardFloat.cpp.

References CDRet, CFRet, DoubleTyID, DRet, FloatTyID, FRet, llvm::Type::getContainedType(), llvm::Type::getStructNumElements(), llvm::Type::getTypeID(), llvm::Type::isDoubleTy(), llvm::Type::isFloatTy(), and NoFPRet.

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

Variable Documentation

const Type::TypeID DoubleTyID = Type::DoubleTyID

Definition at line 98 of file Mips16HardFloat.cpp.

Referenced by needsFPStubFromParams(), and whichFPReturnVariant().

const Type::TypeID FloatTyID = Type::FloatTyID

Definition at line 97 of file Mips16HardFloat.cpp.

Referenced by needsFPStubFromParams(), and whichFPReturnVariant().

const char* 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", "llvm.powi.f64",
   "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 327 of file Mips16HardFloat.cpp.