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Give MCRegisterInfo an implementation file.

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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
This commit is contained in:
Jakob Stoklund Olesen 2012-07-27 16:25:20 +00:00
parent df7c5d4137
commit 46c0dc7858
3 changed files with 75 additions and 55 deletions
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58
include/llvm/MC/MCRegisterInfo.h
View File

@ -344,36 +344,15 @@ public:
/// number. Returns -1 if there is no equivalent value. The second
/// parameter allows targets to use different numberings for EH info and
/// debugging info.
int 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 getDwarfRegNum(unsigned RegNum, bool isEH) const;
/// getLLVMRegNum - Map a dwarf register back to a target register.
///
int 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 getLLVMRegNum(unsigned RegNum, bool isEH) const;
/// getSEHRegNum - Map a target register to an equivalent SEH register
/// number. Returns LLVM register number if there is no equivalent value.
int getSEHRegNum(unsigned RegNum) const {
const DenseMap<unsigned, int>::const_iterator I = L2SEHRegs.find(RegNum);
if (I == L2SEHRegs.end()) return (int)RegNum;
return I->second;
}
int getSEHRegNum(unsigned RegNum) const;
regclass_iterator regclass_begin() const { return Classes; }
regclass_iterator regclass_end() const { return Classes+NumClasses; }
@ -436,37 +415,6 @@ public:
}
};
inline
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;
}
inline
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;
}
inline
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;
}
//===----------------------------------------------------------------------===//
// Register Units
//===----------------------------------------------------------------------===//

1
lib/MC/CMakeLists.txt
View File

@ -28,6 +28,7 @@ add_llvm_library(LLVMMC
MCObjectStreamer.cpp
MCObjectWriter.cpp
MCPureStreamer.cpp
MCRegisterInfo.cpp
MCSection.cpp
MCSectionCOFF.cpp
MCSectionELF.cpp

71
lib/MC/MCRegisterInfo.cpp Normal file
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@ -0,0 +1,71 @@
//=== 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;
}