[llvm-commits] [llvm] r92590 - /llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp
David Greene
greened at obbligato.org
Mon Jan 4 17:25:53 PST 2010
Author: greened
Date: Mon Jan 4 19:25:52 2010
New Revision: 92590
URL: http://llvm.org/viewvc/llvm-project?rev=92590&view=rev
Log:
Change errs() to dbgs().
Modified:
llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp
Modified: llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp?rev=92590&r1=92589&r2=92590&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp (original)
+++ llvm/trunk/lib/CodeGen/VirtRegRewriter.cpp Mon Jan 4 19:25:52 2010
@@ -69,10 +69,10 @@
bool runOnMachineFunction(MachineFunction &MF, VirtRegMap &VRM,
LiveIntervals* LIs) {
- DEBUG(errs() << "********** REWRITE MACHINE CODE **********\n");
- DEBUG(errs() << "********** Function: "
+ DEBUG(dbgs() << "********** REWRITE MACHINE CODE **********\n");
+ DEBUG(dbgs() << "********** Function: "
<< MF.getFunction()->getName() << '\n');
- DEBUG(errs() << "**** Machine Instrs"
+ DEBUG(dbgs() << "**** Machine Instrs"
<< "(NOTE! Does not include spills and reloads!) ****\n");
DEBUG(MF.dump());
@@ -110,7 +110,7 @@
}
}
- DEBUG(errs() << "**** Post Machine Instrs ****\n");
+ DEBUG(dbgs() << "**** Post Machine Instrs ****\n");
DEBUG(MF.dump());
return changed;
@@ -191,11 +191,11 @@
(unsigned)CanClobber;
if (SlotOrReMat > VirtRegMap::MAX_STACK_SLOT)
- DEBUG(errs() << "Remembering RM#"
+ DEBUG(dbgs() << "Remembering RM#"
<< SlotOrReMat-VirtRegMap::MAX_STACK_SLOT-1);
else
- DEBUG(errs() << "Remembering SS#" << SlotOrReMat);
- DEBUG(errs() << " in physreg " << TRI->getName(Reg) << "\n");
+ DEBUG(dbgs() << "Remembering SS#" << SlotOrReMat);
+ DEBUG(dbgs() << " in physreg " << TRI->getName(Reg) << "\n");
}
/// canClobberPhysRegForSS - Return true if the spiller is allowed to change
@@ -686,7 +686,7 @@
assert((SpillSlotsOrReMatsAvailable[SlotOrReMat] >> 1) == PhysReg &&
"Bidirectional map mismatch!");
SpillSlotsOrReMatsAvailable[SlotOrReMat] &= ~1;
- DEBUG(errs() << "PhysReg " << TRI->getName(PhysReg)
+ DEBUG(dbgs() << "PhysReg " << TRI->getName(PhysReg)
<< " copied, it is available for use but can no longer be modified\n");
}
}
@@ -711,12 +711,12 @@
assert((SpillSlotsOrReMatsAvailable[SlotOrReMat] >> 1) == PhysReg &&
"Bidirectional map mismatch!");
SpillSlotsOrReMatsAvailable.erase(SlotOrReMat);
- DEBUG(errs() << "PhysReg " << TRI->getName(PhysReg)
+ DEBUG(dbgs() << "PhysReg " << TRI->getName(PhysReg)
<< " clobbered, invalidating ");
if (SlotOrReMat > VirtRegMap::MAX_STACK_SLOT)
- DEBUG(errs() << "RM#" << SlotOrReMat-VirtRegMap::MAX_STACK_SLOT-1 <<"\n");
+ DEBUG(dbgs() << "RM#" << SlotOrReMat-VirtRegMap::MAX_STACK_SLOT-1 <<"\n");
else
- DEBUG(errs() << "SS#" << SlotOrReMat << "\n");
+ DEBUG(dbgs() << "SS#" << SlotOrReMat << "\n");
}
}
@@ -895,9 +895,9 @@
Spills.addAvailable(NewOp.StackSlotOrReMat, NewPhysReg);
UpdateKills(*prior(InsertLoc), TRI, RegKills, KillOps);
- DEBUG(errs() << '\t' << *prior(InsertLoc));
+ DEBUG(dbgs() << '\t' << *prior(InsertLoc));
- DEBUG(errs() << "Reuse undone!\n");
+ DEBUG(dbgs() << "Reuse undone!\n");
--NumReused;
// Finally, PhysReg is now available, go ahead and use it.
@@ -1041,9 +1041,9 @@
TRI = MF.getTarget().getRegisterInfo();
TII = MF.getTarget().getInstrInfo();
AllocatableRegs = TRI->getAllocatableSet(MF);
- DEBUG(errs() << "\n**** Local spiller rewriting function '"
+ DEBUG(dbgs() << "\n**** Local spiller rewriting function '"
<< MF.getFunction()->getName() << "':\n");
- DEBUG(errs() << "**** Machine Instrs (NOTE! Does not include spills and"
+ DEBUG(dbgs() << "**** Machine Instrs (NOTE! Does not include spills and"
" reloads!) ****\n");
DEBUG(MF.dump());
@@ -1095,7 +1095,7 @@
Spills.clear();
}
- DEBUG(errs() << "**** Post Machine Instrs ****\n");
+ DEBUG(dbgs() << "**** Post Machine Instrs ****\n");
DEBUG(MF.dump());
// Mark unused spill slots.
@@ -1467,11 +1467,11 @@
TII->storeRegToStackSlot(MBB, llvm::next(MII), PhysReg, true, StackSlot, RC);
MachineInstr *StoreMI = prior(oldNextMII);
VRM.addSpillSlotUse(StackSlot, StoreMI);
- DEBUG(errs() << "Store:\t" << *StoreMI);
+ DEBUG(dbgs() << "Store:\t" << *StoreMI);
// If there is a dead store to this stack slot, nuke it now.
if (LastStore) {
- DEBUG(errs() << "Removed dead store:\t" << *LastStore);
+ DEBUG(dbgs() << "Removed dead store:\t" << *LastStore);
++NumDSE;
SmallVector<unsigned, 2> KillRegs;
InvalidateKills(*LastStore, TRI, RegKills, KillOps, &KillRegs);
@@ -1599,7 +1599,7 @@
AvailableSpills &Spills, BitVector &RegKills,
std::vector<MachineOperand*> &KillOps) {
- DEBUG(errs() << "\n**** Local spiller rewriting MBB '"
+ DEBUG(dbgs() << "\n**** Local spiller rewriting MBB '"
<< MBB.getName() << "':\n");
MachineFunction &MF = *MBB.getParent();
@@ -1699,11 +1699,11 @@
// If the value is already available in the expected register, save
// a reload / remat.
if (SSorRMId)
- DEBUG(errs() << "Reusing RM#"
+ DEBUG(dbgs() << "Reusing RM#"
<< SSorRMId-VirtRegMap::MAX_STACK_SLOT-1);
else
- DEBUG(errs() << "Reusing SS#" << SSorRMId);
- DEBUG(errs() << " from physreg "
+ DEBUG(dbgs() << "Reusing SS#" << SSorRMId);
+ DEBUG(dbgs() << " from physreg "
<< TRI->getName(InReg) << " for vreg"
<< VirtReg <<" instead of reloading into physreg "
<< TRI->getName(Phys) << '\n');
@@ -1711,11 +1711,11 @@
continue;
} else if (InReg && InReg != Phys) {
if (SSorRMId)
- DEBUG(errs() << "Reusing RM#"
+ DEBUG(dbgs() << "Reusing RM#"
<< SSorRMId-VirtRegMap::MAX_STACK_SLOT-1);
else
- DEBUG(errs() << "Reusing SS#" << SSorRMId);
- DEBUG(errs() << " from physreg "
+ DEBUG(dbgs() << "Reusing SS#" << SSorRMId);
+ DEBUG(dbgs() << " from physreg "
<< TRI->getName(InReg) << " for vreg"
<< VirtReg <<" by copying it into physreg "
<< TRI->getName(Phys) << '\n');
@@ -1742,7 +1742,7 @@
KillOpnd->setIsKill();
UpdateKills(*CopyMI, TRI, RegKills, KillOps);
- DEBUG(errs() << '\t' << *CopyMI);
+ DEBUG(dbgs() << '\t' << *CopyMI);
++NumCopified;
continue;
}
@@ -1769,7 +1769,7 @@
Spills.addAvailable(SSorRMId, Phys);
UpdateKills(*prior(InsertLoc), TRI, RegKills, KillOps);
- DEBUG(errs() << '\t' << *prior(MII));
+ DEBUG(dbgs() << '\t' << *prior(MII));
}
}
@@ -1789,7 +1789,7 @@
TII->storeRegToStackSlot(MBB, llvm::next(MII), Phys, isKill, StackSlot, RC);
MachineInstr *StoreMI = prior(oldNextMII);
VRM.addSpillSlotUse(StackSlot, StoreMI);
- DEBUG(errs() << "Store:\t" << *StoreMI);
+ DEBUG(dbgs() << "Store:\t" << *StoreMI);
VRM.virtFolded(VirtReg, StoreMI, VirtRegMap::isMod);
}
NextMII = llvm::next(MII);
@@ -1908,11 +1908,11 @@
if (CanReuse) {
// If this stack slot value is already available, reuse it!
if (ReuseSlot > VirtRegMap::MAX_STACK_SLOT)
- DEBUG(errs() << "Reusing RM#"
+ DEBUG(dbgs() << "Reusing RM#"
<< ReuseSlot-VirtRegMap::MAX_STACK_SLOT-1);
else
- DEBUG(errs() << "Reusing SS#" << ReuseSlot);
- DEBUG(errs() << " from physreg "
+ 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');
@@ -1991,11 +1991,11 @@
if (DesignatedReg == PhysReg) {
// If this stack slot value is already available, reuse it!
if (ReuseSlot > VirtRegMap::MAX_STACK_SLOT)
- DEBUG(errs() << "Reusing RM#"
+ DEBUG(dbgs() << "Reusing RM#"
<< ReuseSlot-VirtRegMap::MAX_STACK_SLOT-1);
else
- DEBUG(errs() << "Reusing SS#" << ReuseSlot);
- DEBUG(errs() << " from physreg " << TRI->getName(PhysReg)
+ DEBUG(dbgs() << "Reusing SS#" << ReuseSlot);
+ DEBUG(dbgs() << " from physreg " << TRI->getName(PhysReg)
<< " for vreg" << VirtReg
<< " instead of reloading into same physreg.\n");
unsigned RReg = SubIdx ? TRI->getSubReg(PhysReg, SubIdx) : PhysReg;
@@ -2029,7 +2029,7 @@
SubIdx ? TRI->getSubReg(DesignatedReg, SubIdx) : DesignatedReg;
MI.getOperand(i).setReg(RReg);
MI.getOperand(i).setSubReg(0);
- DEBUG(errs() << '\t' << *prior(MII));
+ DEBUG(dbgs() << '\t' << *prior(MII));
++NumReused;
continue;
} // if (PhysReg)
@@ -2082,7 +2082,7 @@
}
UpdateKills(*prior(InsertLoc), TRI, RegKills, KillOps);
- DEBUG(errs() << '\t' << *prior(InsertLoc));
+ DEBUG(dbgs() << '\t' << *prior(InsertLoc));
}
unsigned RReg = SubIdx ? TRI->getSubReg(PhysReg, SubIdx) : PhysReg;
MI.getOperand(i).setReg(RReg);
@@ -2096,7 +2096,7 @@
int PDSSlot = PotentialDeadStoreSlots[j];
MachineInstr* DeadStore = MaybeDeadStores[PDSSlot];
if (DeadStore) {
- DEBUG(errs() << "Removed dead store:\t" << *DeadStore);
+ DEBUG(dbgs() << "Removed dead store:\t" << *DeadStore);
InvalidateKills(*DeadStore, TRI, RegKills, KillOps);
VRM.RemoveMachineInstrFromMaps(DeadStore);
MBB.erase(DeadStore);
@@ -2106,7 +2106,7 @@
}
- DEBUG(errs() << '\t' << MI);
+ DEBUG(dbgs() << '\t' << MI);
// If we have folded references to memory operands, make sure we clear all
@@ -2116,7 +2116,7 @@
for (tie(I, End) = VRM.getFoldedVirts(&MI); I != End; ) {
unsigned VirtReg = I->second.first;
VirtRegMap::ModRef MR = I->second.second;
- DEBUG(errs() << "Folded vreg: " << VirtReg << " MR: " << MR);
+ DEBUG(dbgs() << "Folded vreg: " << VirtReg << " MR: " << MR);
// MI2VirtMap be can updated which invalidate the iterator.
// Increment the iterator first.
@@ -2125,7 +2125,7 @@
if (SS == VirtRegMap::NO_STACK_SLOT)
continue;
FoldedSS.insert(SS);
- DEBUG(errs() << " - StackSlot: " << SS << "\n");
+ DEBUG(dbgs() << " - StackSlot: " << SS << "\n");
// If this folded instruction is just a use, check to see if it's a
// straight load from the virt reg slot.
@@ -2136,7 +2136,7 @@
// If this spill slot is available, turn it into a copy (or nothing)
// instead of leaving it as a load!
if (unsigned InReg = Spills.getSpillSlotOrReMatPhysReg(SS)) {
- DEBUG(errs() << "Promoted Load To Copy: " << MI);
+ DEBUG(dbgs() << "Promoted Load To Copy: " << MI);
if (DestReg != InReg) {
const TargetRegisterClass *RC = RegInfo->getRegClass(VirtReg);
TII->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC);
@@ -2160,7 +2160,7 @@
BackTracked = true;
} else {
- DEBUG(errs() << "Removing now-noop copy: " << MI);
+ DEBUG(dbgs() << "Removing now-noop copy: " << MI);
// Unset last kill since it's being reused.
InvalidateKill(InReg, TRI, RegKills, KillOps);
Spills.disallowClobberPhysReg(InReg);
@@ -2230,7 +2230,7 @@
if (isDead) { // Previous store is dead.
// If we get here, the store is dead, nuke it now.
- DEBUG(errs() << "Removed dead store:\t" << *DeadStore);
+ DEBUG(dbgs() << "Removed dead store:\t" << *DeadStore);
InvalidateKills(*DeadStore, TRI, RegKills, KillOps);
VRM.RemoveMachineInstrFromMaps(DeadStore);
MBB.erase(DeadStore);
@@ -2301,7 +2301,7 @@
if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst &&
!MI.findRegisterUseOperand(Src)->isUndef()) {
++NumDCE;
- DEBUG(errs() << "Removing now-noop copy: " << MI);
+ DEBUG(dbgs() << "Removing now-noop copy: " << MI);
SmallVector<unsigned, 2> KillRegs;
InvalidateKills(MI, TRI, RegKills, KillOps, &KillRegs);
if (MO.isDead() && !KillRegs.empty()) {
@@ -2389,7 +2389,7 @@
unsigned Src, Dst, SrcSR, DstSR;
if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst) {
++NumDCE;
- DEBUG(errs() << "Removing now-noop copy: " << MI);
+ DEBUG(dbgs() << "Removing now-noop copy: " << MI);
InvalidateKills(MI, TRI, RegKills, KillOps);
VRM.RemoveMachineInstrFromMaps(&MI);
MBB.erase(&MI);
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