LLVM API Documentation

X86RegisterInfo.cpp File Reference

#include "X86.h"
#include "X86RegisterInfo.h"
#include "X86Subtarget.h"
#include "X86InstrBuilder.h"
#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
#include "llvm/Constants.h"
#include "llvm/Type.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/ADT/STLExtras.h"
#include <iostream>
#include "X86GenRegisterInfo.inc"

Include dependency graph for X86RegisterInfo.cpp:

Go to the source code of this file.

Namespaces

namespace llvm

Defines

#define ARRAY_SIZE(TABLE) (sizeof(TABLE)/sizeof(TABLE[0]))

#define ASSERT_SORTED(TABLE)

Functions

static MachineInstr * MakeMInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeMRInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeMRIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeMIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeM0Inst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeRMInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static MachineInstr * MakeRMIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)

static bool TableIsSorted (const TableEntry *Table, unsigned NumEntries)

static const TableEntry * TableLookup (const TableEntry *Table, unsigned N, unsigned Opcode)

static bool hasFP (MachineFunction &MF)

unsigned llvm::getX86SubSuperRegister (unsigned Reg, MVT::ValueType VT, bool High)

Variables

cl::opt< bool > NoFusing ("disable-spill-fusing", cl::desc("Disable fusing of spill code into instructions"))

cl::opt< bool > PrintFailedFusing ("print-failed-fuse-candidates", cl::desc("Print instructions that the allocator wants to"" fuse, but the X86 backend currently can't"), cl::Hidden)

Define Documentation

#define ARRAY_SIZE ( TABLE ) (sizeof(TABLE)/sizeof(TABLE[0]))

Definition at line 243 of file X86RegisterInfo.cpp.

#define ASSERT_SORTED ( TABLE )

Value:

{ static bool TABLE##Checked = false;                                   \
    if (!TABLE##Checked) {                                                \
       assert(TableIsSorted(TABLE, ARRAY_SIZE(TABLE)) &&                  \
              "All lookup tables must be sorted for efficient access!");  \
       TABLE##Checked = true;                                             \
    }                                                                     \
  }

Definition at line 249 of file X86RegisterInfo.cpp.

Function Documentation

static bool hasFP ( MachineFunction & MF ) [static]

Definition at line 740 of file X86RegisterInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::MachineFrameInfo::hasVarSizedObjects(), MF, and llvm::NoFramePointerElim.

static MachineInstr* MakeM0Inst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 177 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::MachineInstrBuilder::addImm(), and llvm::BuildMI().

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeMIInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 161 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::MachineInstrBuilder::addGlobalAddress(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addJumpTableIndex(), llvm::BuildMI(), llvm::MachineOperand::getGlobal(), llvm::MachineOperand::getImmedValue(), llvm::MachineOperand::getJumpTableIndex(), llvm::MachineOperand::getOffset(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::isGlobalAddress(), llvm::MachineOperand::isImmediate(), llvm::MachineOperand::isJumpTableIndex(), and MI.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeMInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 143 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), and llvm::BuildMI().

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeMRIInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 154 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineOperand::getImmedValue(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and MI.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeMRInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 148 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and MI.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeRMIInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 189 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::MachineInstrBuilder::addImm(), llvm::BuildMI(), llvm::MachineOperand::getImmedValue(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getUseType(), and MI.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static MachineInstr* MakeRMInst	(	unsigned	Opcode,
		unsigned	FrameIndex,
		MachineInstr *	MI
	)			`[static]`

Definition at line 182 of file X86RegisterInfo.cpp.

References llvm::addFrameReference(), llvm::BuildMI(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getUseType(), and MI.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

static bool TableIsSorted	(	const TableEntry *	Table,
		unsigned	NumEntries
	)			`[static]`

TableIsSorted - Return true if the table is in 'from' opcode order.

Definition at line 223 of file X86RegisterInfo.cpp.

References from.

static const TableEntry* TableLookup	(	const TableEntry *	Table,
		unsigned	N,
		unsigned	Opcode
	)			`[static]`

TableLookup - Return the table entry matching the specified opcode. Otherwise return NULL.

Definition at line 235 of file X86RegisterInfo.cpp.

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

Variable Documentation

unsigned from

Definition at line 205 of file X86RegisterInfo.cpp.

unsigned make

Definition at line 207 of file X86RegisterInfo.cpp.

cl::opt<bool> NoFusing("disable-spill-fusing", cl::desc("Disable fusing of spill code into instructions")) [static]

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

cl::opt<bool> PrintFailedFusing("print-failed-fuse-candidates", cl::desc("Print instructions that the allocator wants to"" fuse, but the X86 backend currently can't"), cl::Hidden) [static]

Referenced by llvm::X86RegisterInfo::foldMemoryOperand().

unsigned to

Definition at line 206 of file X86RegisterInfo.cpp.


Namespaces
namespace	llvm
Defines
#define	ARRAY_SIZE(TABLE) (sizeof(TABLE)/sizeof(TABLE[0]))
#define	ASSERT_SORTED(TABLE)
Functions
static MachineInstr *	MakeMInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeMRInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeMRIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeMIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeM0Inst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeRMInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static MachineInstr *	MakeRMIInst (unsigned Opcode, unsigned FrameIndex, MachineInstr *MI)
static bool	TableIsSorted (const TableEntry *Table, unsigned NumEntries)
static const TableEntry *	TableLookup (const TableEntry *Table, unsigned N, unsigned Opcode)
static bool	hasFP (MachineFunction &MF)
unsigned	llvm::getX86SubSuperRegister (unsigned Reg, MVT::ValueType VT, bool High)
Variables
cl::opt< bool >	NoFusing ("disable-spill-fusing", cl::desc("Disable fusing of spill code into instructions"))
cl::opt< bool >	PrintFailedFusing ("print-failed-fuse-candidates", cl::desc("Print instructions that the allocator wants to"" fuse, but the X86 backend currently can't"), cl::Hidden)