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Now that DBG_LABEL is updated, we can finally make MachineMove

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contain an MCSymbol instead of a label index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98482 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-14 08:12:40 +00:00
parent 6ffcccab51
commit 2e9919a5e5
10 changed files with 86 additions and 124 deletions
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18
lib/Target/CellSPU/SPURegisterInfo.cpp
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@@ -436,7 +436,7 @@ void SPURegisterInfo::emitPrologue(MachineFunction &MF) const
// Prepare for debug frame info.
bool hasDebugInfo = MMI && MMI->hasDebugInfo();
unsigned FrameLabelId = 0;
MCSymbol *FrameLabel = 0;
// Move MBBI back to the beginning of the function.
MBBI = MBB.begin();
@@ -452,9 +452,8 @@ void SPURegisterInfo::emitPrologue(MachineFunction &MF) const
FrameSize = -(FrameSize + SPUFrameInfo::minStackSize());
if (hasDebugInfo) {
// Mark effective beginning of when frame pointer becomes valid.
FrameLabelId = MMI->NextLabelID();
BuildMI(MBB, MBBI, dl, TII.get(SPU::DBG_LABEL))
.addSym(MMI->getLabelSym(FrameLabelId));
FrameLabel = MMI->getLabelSym(MMI->NextLabelID());
BuildMI(MBB, MBBI, dl, TII.get(SPU::DBG_LABEL)).addSym(FrameLabel);
}
// Adjust stack pointer, spilling $lr -> 16($sp) and $sp -> -FrameSize($sp)
@@ -501,7 +500,7 @@ void SPURegisterInfo::emitPrologue(MachineFunction &MF) const
// Show update of SP.
MachineLocation SPDst(MachineLocation::VirtualFP);
MachineLocation SPSrc(MachineLocation::VirtualFP, -FrameSize);
Moves.push_back(MachineMove(FrameLabelId, SPDst, SPSrc));
Moves.push_back(MachineMove(FrameLabel, SPDst, SPSrc));
// Add callee saved registers to move list.
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
@@ -511,17 +510,16 @@ void SPURegisterInfo::emitPrologue(MachineFunction &MF) const
if (Reg == SPU::R0) continue;
MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
MachineLocation CSSrc(Reg);
Moves.push_back(MachineMove(FrameLabelId, CSDst, CSSrc));
Moves.push_back(MachineMove(FrameLabel, CSDst, CSSrc));
}
// Mark effective beginning of when frame pointer is ready.
unsigned ReadyLabelId = MMI->NextLabelID();
BuildMI(MBB, MBBI, dl, TII.get(SPU::DBG_LABEL))
.addSym(MMI->getLabelSym(ReadyLabelId));
MCSymbol *ReadyLabel = MMI->getLabelSym(MMI->NextLabelID());
BuildMI(MBB, MBBI, dl, TII.get(SPU::DBG_LABEL)).addSym(ReadyLabel);
MachineLocation FPDst(SPU::R1);
MachineLocation FPSrc(MachineLocation::VirtualFP);
Moves.push_back(MachineMove(ReadyLabelId, FPDst, FPSrc));
Moves.push_back(MachineMove(ReadyLabel, FPDst, FPSrc));
}
} else {
// This is a leaf function -- insert a branch hint iff there are