LLVM  4.0.0
Macros | Functions
RegisterScavenging.cpp File Reference

This file implements the machine register scavenger. More...

#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
Include dependency graph for RegisterScavenging.cpp:

Go to the source code of this file.

Macros

#define DEBUG_TYPE   "reg-scavenging"
 

Functions

static unsigned getFrameIndexOperandNum (MachineInstr &MI)
 

Detailed Description

This file implements the machine register scavenger.

It can provide information, such as unused registers, at any point in a machine basic block. It also provides a mechanism to make registers available by evicting them to spill slots.

Definition in file RegisterScavenging.cpp.

Macro Definition Documentation

#define DEBUG_TYPE   "reg-scavenging"

Definition at line 32 of file RegisterScavenging.cpp.

Function Documentation

static unsigned getFrameIndexOperandNum ( MachineInstr MI)
static