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Teach VirtRegRewriter about the new virtual register numbers. No functional change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128561 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-03-30 18:14:04 +00:00
parent 8398512f89
commit eb1c5dcb12
1 changed files with 11 additions and 10 deletions
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21
lib/CodeGen/VirtRegRewriter.cpp
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@ -1791,8 +1791,8 @@ bool LocalRewriter::InsertRestores(MachineInstr *MI,
else
DEBUG(dbgs() << "Reusing SS#" << SSorRMId);
DEBUG(dbgs() << " from physreg "
<< TRI->getName(InReg) << " for vreg"
<< VirtReg <<" instead of reloading into physreg "
<< TRI->getName(InReg) << " for " << PrintReg(VirtReg)
<<" instead of reloading into physreg "
<< TRI->getName(Phys) << '\n');
// Reusing a physreg may resurrect it. But we expect ProcessUses to update
@ -1807,8 +1807,8 @@ bool LocalRewriter::InsertRestores(MachineInstr *MI,
else
DEBUG(dbgs() << "Reusing SS#" << SSorRMId);
DEBUG(dbgs() << " from physreg "
<< TRI->getName(InReg) << " for vreg"
<< VirtReg <<" by copying it into physreg "
<< TRI->getName(InReg) << " for " << PrintReg(VirtReg)
<<" by copying it into physreg "
<< TRI->getName(Phys) << '\n');
// If the reloaded / remat value is available in another register,
@ -2025,7 +2025,8 @@ void LocalRewriter::ProcessUses(MachineInstr &MI, AvailableSpills &Spills,
TRI->regsOverlap(MOk.getReg(), PhysReg)) {
CanReuse = false;
DEBUG(dbgs() << "Not reusing physreg " << TRI->getName(PhysReg)
<< " for vreg" << VirtReg << ": " << MOk << '\n');
<< " for " << PrintReg(VirtReg) << ": " << MOk
<< '\n');
break;
}
}
@ -2039,9 +2040,9 @@ void LocalRewriter::ProcessUses(MachineInstr &MI, AvailableSpills &Spills,
else
DEBUG(dbgs() << "Reusing SS#" << ReuseSlot);
DEBUG(dbgs() << " from physreg "
<< TRI->getName(PhysReg) << " for vreg"
<< VirtReg <<" instead of reloading into physreg "
<< TRI->getName(VRM->getPhys(VirtReg)) << '\n');
<< TRI->getName(PhysReg) << " for " << PrintReg(VirtReg)
<< " instead of reloading into "
<< PrintReg(VRM->getPhys(VirtReg), TRI) << '\n');
unsigned RReg = SubIdx ? TRI->getSubReg(PhysReg, SubIdx) : PhysReg;
MI.getOperand(i).setReg(RReg);
MI.getOperand(i).setSubReg(0);
@ -2126,7 +2127,7 @@ void LocalRewriter::ProcessUses(MachineInstr &MI, AvailableSpills &Spills,
else
DEBUG(dbgs() << "Reusing SS#" << ReuseSlot);
DEBUG(dbgs() << " from physreg " << TRI->getName(PhysReg)
<< " for vreg" << VirtReg
<< " for " << PrintReg(VirtReg)
<< " instead of reloading into same physreg.\n");
unsigned RReg = SubIdx ? TRI->getSubReg(PhysReg, SubIdx) : PhysReg;
MI.getOperand(i).setReg(RReg);
@ -2315,7 +2316,7 @@ LocalRewriter::RewriteMBB(LiveIntervals *LIs,
for (unsigned FVI = 0, FVE = FoldedVirts.size(); FVI != FVE; ++FVI) {
unsigned VirtReg = FoldedVirts[FVI].first;
VirtRegMap::ModRef MR = FoldedVirts[FVI].second;
DEBUG(dbgs() << "Folded vreg: " << VirtReg << " MR: " << MR);
DEBUG(dbgs() << "Folded " << PrintReg(VirtReg) << " MR: " << MR);
int SS = VRM->getStackSlot(VirtReg);
if (SS == VirtRegMap::NO_STACK_SLOT)