LLVM API Documentation

X86CodeEmitter.cpp File Reference

#include "X86TargetMachine.h"
#include "X86Relocations.h"
#include "X86.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/MachineCodeEmitter.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Function.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/Visibility.h"
#include "llvm/Target/TargetOptions.h"
#include <iostream>

Include dependency graph for X86CodeEmitter.cpp:

Go to the source code of this file.

Namespaces

namespace N86

Enumerations

enum {
N86::EAX = 0, N86::ECX = 1, N86::EDX = 2, N86::EBX = 3,
N86::ESP = 4, N86::EBP = 5, N86::ESI = 6, N86::EDI = 7
}

Functions

FunctionPass * llvm::createX86CodeEmitterPass (X86TargetMachine &TM, MachineCodeEmitter &MCE)

static unsigned getX86RegNum (unsigned RegNo)

static unsigned char ModRMByte (unsigned Mod, unsigned RegOpcode, unsigned RM)

static bool isDisp8 (int Value)

static unsigned sizeOfImm (const TargetInstrDescriptor &Desc)

Variables

Statistic NumEmitted ("x86-emitter","Number of machine instructions emitted")

Function Documentation

static unsigned getX86RegNum ( unsigned RegNo ) [static]

Definition at line 159 of file X86CodeEmitter.cpp.

References N86::EAX, N86::EBP, N86::EBX, N86::ECX, N86::EDI, N86::EDX, N86::ESI, and N86::ESP.

static bool isDisp8 ( int Value ) [static]

isDisp8 - Return true if this signed displacement fits in a 8-bit sign-extended field.

Definition at line 211 of file X86CodeEmitter.cpp.

static unsigned char ModRMByte	(	unsigned	Mod,
		unsigned	RegOpcode,
		unsigned	RM
	)			`[inline, static]`

Definition at line 186 of file X86CodeEmitter.cpp.

static unsigned sizeOfImm ( const TargetInstrDescriptor & Desc ) [static]

Definition at line 334 of file X86CodeEmitter.cpp.

References llvm::X86II::Imm16, llvm::X86II::Imm32, llvm::X86II::Imm8, llvm::X86II::ImmMask, and llvm::TargetInstrDescriptor::TSFlags.

Variable Documentation

const X86InstrInfo* II

Definition at line 37 of file X86CodeEmitter.cpp.

MachineCodeEmitter& MCE

Definition at line 39 of file X86CodeEmitter.cpp.

Statistic NumEmitted("x86-emitter","Number of machine instructions emitted") [static]

TargetMachine& TM

Definition at line 38 of file X86CodeEmitter.cpp.


Namespaces
namespace	N86
Enumerations
enum	{ N86::EAX = 0, N86::ECX = 1, N86::EDX = 2, N86::EBX = 3, N86::ESP = 4, N86::EBP = 5, N86::ESI = 6, N86::EDI = 7 }
Functions
FunctionPass *	llvm::createX86CodeEmitterPass (X86TargetMachine &TM, MachineCodeEmitter &MCE)
static unsigned	getX86RegNum (unsigned RegNo)
static unsigned char	ModRMByte (unsigned Mod, unsigned RegOpcode, unsigned RM)
static bool	isDisp8 (int Value)
static unsigned	sizeOfImm (const TargetInstrDescriptor &Desc)
Variables
Statistic	NumEmitted ("x86-emitter","Number of machine instructions emitted")