llvm-6502/include/llvm/CodeGen/ProcessImplicitDefs.h
Jakob Stoklund Olesen cf03e35d90 Place context in member variables instead of passing around pointers.
Use the opportunity to get rid of the trailing underscore variable names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127618 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-14 20:57:14 +00:00

52 lines
1.5 KiB
C++

//===-------------- llvm/CodeGen/ProcessImplicitDefs.h ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_PROCESSIMPLICITDEFS_H
#define LLVM_CODEGEN_PROCESSIMPLICITDEFS_H
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/ADT/SmallSet.h"
namespace llvm {
class MachineInstr;
class TargetInstrInfo;
class TargetRegisterInfo;
class MachineRegisterInfo;
class LiveVariables;
/// Process IMPLICIT_DEF instructions and make sure there is one implicit_def
/// for each use. Add isUndef marker to implicit_def defs and their uses.
class ProcessImplicitDefs : public MachineFunctionPass {
const TargetInstrInfo *TII;
const TargetRegisterInfo *TRI;
MachineRegisterInfo *MRI;
LiveVariables *LV;
bool CanTurnIntoImplicitDef(MachineInstr *MI, unsigned Reg,
unsigned OpIdx,
SmallSet<unsigned, 8> &ImpDefRegs);
public:
static char ID;
ProcessImplicitDefs() : MachineFunctionPass(ID) {
initializeProcessImplicitDefsPass(*PassRegistry::getPassRegistry());
}
virtual void getAnalysisUsage(AnalysisUsage &au) const;
virtual bool runOnMachineFunction(MachineFunction &fn);
};
}
#endif // LLVM_CODEGEN_PROCESSIMPLICITDEFS_H