mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
42 lines
1.1 KiB
C
42 lines
1.1 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"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
class MachineInstr;
|
||
|
|
class TargetInstrInfo;
|
||
|
|
|
||
|
|
/// 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 {
|
||
|
|
private:
|
||
|
|
|
||
|
|
bool CanTurnIntoImplicitDef(MachineInstr *MI, unsigned Reg,
|
||
|
|
unsigned OpIdx, const TargetInstrInfo *tii_);
|
||
|
|
|
||
|
|
public:
|
||
|
|
static char ID;
|
||
|
|
|
||
|
|
ProcessImplicitDefs() : MachineFunctionPass(&ID) {}
|
||
|
|
|
||
|
|
virtual void getAnalysisUsage(AnalysisUsage &au) const;
|
||
|
|
|
||
|
|
virtual bool runOnMachineFunction(MachineFunction &fn);
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // LLVM_CODEGEN_PROCESSIMPLICITDEFS_H
|