mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 22:04:55 +00:00
46c0dc7858
Move some functions from MCRegisterInfo.h that don't need to be inline. This shrinks llc by 8K. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160865 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
//=== MC/MCRegisterInfo.cpp - Target Register Description -------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements MCRegisterInfo functions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/MC/MCRegisterInfo.h"
|
|
|
|
using namespace llvm;
|
|
|
|
unsigned MCRegisterInfo::getMatchingSuperReg(unsigned Reg, unsigned SubIdx,
|
|
const MCRegisterClass *RC) const {
|
|
for (MCSuperRegIterator Supers(Reg, this); Supers.isValid(); ++Supers)
|
|
if (RC->contains(*Supers) && Reg == getSubReg(*Supers, SubIdx))
|
|
return *Supers;
|
|
return 0;
|
|
}
|
|
|
|
unsigned MCRegisterInfo::getSubReg(unsigned Reg, unsigned Idx) const {
|
|
// Get a pointer to the corresponding SubRegIndices list. This list has the
|
|
// name of each sub-register in the same order as MCSubRegIterator.
|
|
const uint16_t *SRI = SubRegIndices + get(Reg).SubRegIndices;
|
|
for (MCSubRegIterator Subs(Reg, this); Subs.isValid(); ++Subs, ++SRI)
|
|
if (*SRI == Idx)
|
|
return *Subs;
|
|
return 0;
|
|
}
|
|
|
|
unsigned MCRegisterInfo::getSubRegIndex(unsigned Reg, unsigned SubReg) const {
|
|
// Get a pointer to the corresponding SubRegIndices list. This list has the
|
|
// name of each sub-register in the same order as MCSubRegIterator.
|
|
const uint16_t *SRI = SubRegIndices + get(Reg).SubRegIndices;
|
|
for (MCSubRegIterator Subs(Reg, this); Subs.isValid(); ++Subs, ++SRI)
|
|
if (*Subs == SubReg)
|
|
return *SRI;
|
|
return 0;
|
|
}
|
|
|
|
int MCRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
|
|
const DwarfLLVMRegPair *M = isEH ? EHL2DwarfRegs : L2DwarfRegs;
|
|
unsigned Size = isEH ? EHL2DwarfRegsSize : L2DwarfRegsSize;
|
|
|
|
DwarfLLVMRegPair Key = { RegNum, 0 };
|
|
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key);
|
|
if (I == M+Size || I->FromReg != RegNum)
|
|
return -1;
|
|
return I->ToReg;
|
|
}
|
|
|
|
int MCRegisterInfo::getLLVMRegNum(unsigned RegNum, bool isEH) const {
|
|
const DwarfLLVMRegPair *M = isEH ? EHDwarf2LRegs : Dwarf2LRegs;
|
|
unsigned Size = isEH ? EHDwarf2LRegsSize : Dwarf2LRegsSize;
|
|
|
|
DwarfLLVMRegPair Key = { RegNum, 0 };
|
|
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key);
|
|
assert(I != M+Size && I->FromReg == RegNum && "Invalid RegNum");
|
|
return I->ToReg;
|
|
}
|
|
|
|
int MCRegisterInfo::getSEHRegNum(unsigned RegNum) const {
|
|
const DenseMap<unsigned, int>::const_iterator I = L2SEHRegs.find(RegNum);
|
|
if (I == L2SEHRegs.end()) return (int)RegNum;
|
|
return I->second;
|
|
}
|