mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-30 21:29:28 +00:00
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
|
//===---- MipsModuleISelDAGToDAG.h - Change Subtarget --------===//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// This file defines a pass used to change the subtarget for the
|
||
|
// Mips Instruction selector.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef MIPSMODULEISELDAGTODAG_H
|
||
|
#define MIPSMODULEISELDAGTODAG_H
|
||
|
|
||
|
#include "Mips.h"
|
||
|
#include "MipsSubtarget.h"
|
||
|
#include "MipsTargetMachine.h"
|
||
|
#include "llvm/CodeGen/SelectionDAGISel.h"
|
||
|
|
||
|
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
// Instruction Selector Implementation
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
// MipsModuleDAGToDAGISel - MIPS specific code to select MIPS machine
|
||
|
// instructions for SelectionDAG operations.
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
namespace llvm {
|
||
|
|
||
|
class MipsModuleDAGToDAGISel : public MachineFunctionPass {
|
||
|
public:
|
||
|
|
||
|
static char ID;
|
||
|
|
||
|
explicit MipsModuleDAGToDAGISel(MipsTargetMachine &TM_)
|
||
|
: MachineFunctionPass(ID),
|
||
|
TM(TM_), Subtarget(TM.getSubtarget<MipsSubtarget>()) {}
|
||
|
|
||
|
// Pass Name
|
||
|
virtual const char *getPassName() const {
|
||
|
return "MIPS DAG->DAG Pattern Instruction Selection";
|
||
|
}
|
||
|
|
||
|
virtual bool runOnMachineFunction(MachineFunction &MF);
|
||
|
|
||
|
virtual SDNode *Select(SDNode *N) {
|
||
|
llvm_unreachable("unexpected");
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
/// Keep a pointer to the MipsSubtarget around so that we can make the right
|
||
|
/// decision when generating code for different targets.
|
||
|
const TargetMachine &TM;
|
||
|
const MipsSubtarget &Subtarget;
|
||
|
};
|
||
|
|
||
|
/// createMipsISelDag - This pass converts a legalized DAG into a
|
||
|
/// MIPS-specific DAG, ready for instruction scheduling.
|
||
|
FunctionPass *createMipsModuleISelDag(MipsTargetMachine &TM);
|
||
|
}
|
||
|
|
||
|
#endif
|