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Move debug loc info along when the spiller creates new instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64342 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2009-02-12 00:02:55 +00:00
parent f412f7c417
commit d1c321a89a
10 changed files with 349 additions and 212 deletions
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56
lib/Target/XCore/XCoreInstrInfo.cpp
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@ -353,13 +353,18 @@ XCoreInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
}
bool XCoreInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC) const {
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC) const {
DebugLoc DL = DebugLoc::getUnknownLoc();
if (I != MBB.end()) DL = I->getDebugLoc();
if (DestRC == SrcRC) {
if (DestRC == XCore::GRRegsRegisterClass) {
BuildMI(MBB, I, get(XCore::ADD_2rus), DestReg).addReg(SrcReg).addImm(0);
BuildMI(MBB, I, DL, get(XCore::ADD_2rus), DestReg)
.addReg(SrcReg)
.addImm(0);
return true;
} else {
return false;
@ -368,24 +373,31 @@ bool XCoreInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
if (SrcRC == XCore::RRegsRegisterClass && SrcReg == XCore::SP &&
DestRC == XCore::GRRegsRegisterClass) {
BuildMI(MBB, I, get(XCore::LDAWSP_ru6), DestReg).addImm(0);
BuildMI(MBB, I, DL, get(XCore::LDAWSP_ru6), DestReg)
.addImm(0);
return true;
}
if (DestRC == XCore::RRegsRegisterClass && DestReg == XCore::SP &&
SrcRC == XCore::GRRegsRegisterClass) {
BuildMI(MBB, I, get(XCore::SETSP_1r)).addReg(SrcReg);
BuildMI(MBB, I, DL, get(XCore::SETSP_1r))
.addReg(SrcReg);
return true;
}
return false;
}
void XCoreInstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC) const
MachineBasicBlock::iterator I,
unsigned SrcReg, bool isKill,
int FrameIndex,
const TargetRegisterClass *RC) const
{
BuildMI(MBB, I, get(XCore::STWFI)).addReg(SrcReg, false, false, isKill)
.addFrameIndex(FrameIndex).addImm(0);
DebugLoc DL = DebugLoc::getUnknownLoc();
if (I != MBB.end()) DL = I->getDebugLoc();
BuildMI(MBB, I, DL, get(XCore::STWFI))
.addReg(SrcReg, false, false, isKill)
.addFrameIndex(FrameIndex)
.addImm(0);
}
void XCoreInstrInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
@ -397,12 +409,15 @@ void XCoreInstrInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
}
void XCoreInstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const
MachineBasicBlock::iterator I,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const
{
BuildMI(MBB, I, get(XCore::LDWFI), DestReg).addFrameIndex(FrameIndex)
.addImm(0);
DebugLoc DL = DebugLoc::getUnknownLoc();
if (I != MBB.end()) DL = I->getDebugLoc();
BuildMI(MBB, I, DL, get(XCore::LDWFI), DestReg)
.addFrameIndex(FrameIndex)
.addImm(0);
}
void XCoreInstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
@ -426,6 +441,9 @@ bool XCoreInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
XCoreFunctionInfo *XFI = MF->getInfo<XCoreFunctionInfo>();
bool emitFrameMoves = XCoreRegisterInfo::needsFrameMoves(*MF);
DebugLoc DL = DebugLoc::getUnknownLoc();
if (MI != MBB.end()) DL = MI->getDebugLoc();
for (std::vector<CalleeSavedInfo>::const_iterator it = CSI.begin();
it != CSI.end(); ++it) {
@ -433,10 +451,10 @@ bool XCoreInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MBB.addLiveIn(it->getReg());
storeRegToStackSlot(MBB, MI, it->getReg(), true,
it->getFrameIdx(), it->getRegClass());
it->getFrameIdx(), it->getRegClass());
if (emitFrameMoves) {
unsigned SaveLabelId = MMI->NextLabelID();
BuildMI(MBB, MI, get(XCore::DBG_LABEL)).addImm(SaveLabelId);
BuildMI(MBB, MI, DL, get(XCore::DBG_LABEL)).addImm(SaveLabelId);
XFI->getSpillLabels().push_back(
std::pair<unsigned, CalleeSavedInfo>(SaveLabelId, *it));
}