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Change errs() to dbgs().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92588 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1022,7 +1022,7 @@ MachineInstr* PreAllocSplitting::FoldRestore(unsigned vreg,
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/// so it would not cross the barrier that's being processed. Shrink wrap
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/// (minimize) the live interval to the last uses.
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bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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DEBUG(errs() << "Pre-alloc splitting " << LI->reg << " for " << *Barrier
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DEBUG(dbgs() << "Pre-alloc splitting " << LI->reg << " for " << *Barrier
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<< " result: ");
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CurrLI = LI;
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@ -1039,7 +1039,7 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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// If this would create a new join point, do not split.
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if (DefMI && createsNewJoin(LR, DefMI->getParent(), Barrier->getParent())) {
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DEBUG(errs() << "FAILED (would create a new join point).\n");
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DEBUG(dbgs() << "FAILED (would create a new join point).\n");
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return false;
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}
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@ -1056,13 +1056,13 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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MachineBasicBlock::iterator RestorePt =
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findRestorePoint(BarrierMBB, Barrier, LR->end, RefsInMBB);
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if (RestorePt == BarrierMBB->end()) {
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DEBUG(errs() << "FAILED (could not find a suitable restore point).\n");
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DEBUG(dbgs() << "FAILED (could not find a suitable restore point).\n");
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return false;
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}
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if (DefMI && LIs->isReMaterializable(*LI, ValNo, DefMI))
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if (Rematerialize(LI->reg, ValNo, DefMI, RestorePt, RefsInMBB)) {
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DEBUG(errs() << "success (remat).\n");
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DEBUG(dbgs() << "success (remat).\n");
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return true;
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}
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@ -1081,7 +1081,7 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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MachineBasicBlock::iterator SpillPt =
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findSpillPoint(BarrierMBB, Barrier, NULL, RefsInMBB);
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if (SpillPt == BarrierMBB->begin()) {
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DEBUG(errs() << "FAILED (could not find a suitable spill point).\n");
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DEBUG(dbgs() << "FAILED (could not find a suitable spill point).\n");
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return false; // No gap to insert spill.
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}
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// Add spill.
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@ -1096,7 +1096,7 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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// If it's already split, just restore the value. There is no need to spill
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// the def again.
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if (!DefMI) {
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DEBUG(errs() << "FAILED (def is dead).\n");
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DEBUG(dbgs() << "FAILED (def is dead).\n");
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return false; // Def is dead. Do nothing.
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}
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@ -1111,13 +1111,13 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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SpillPt = findSpillPoint(BarrierMBB, Barrier, DefMI,
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RefsInMBB);
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if (SpillPt == DefMBB->begin()) {
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DEBUG(errs() << "FAILED (could not find a suitable spill point).\n");
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DEBUG(dbgs() << "FAILED (could not find a suitable spill point).\n");
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return false; // No gap to insert spill.
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}
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} else {
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SpillPt = llvm::next(MachineBasicBlock::iterator(DefMI));
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if (SpillPt == DefMBB->end()) {
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DEBUG(errs() << "FAILED (could not find a suitable spill point).\n");
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DEBUG(dbgs() << "FAILED (could not find a suitable spill point).\n");
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return false; // No gap to insert spill.
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}
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}
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@ -1160,7 +1160,7 @@ bool PreAllocSplitting::SplitRegLiveInterval(LiveInterval *LI) {
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}
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++NumSplits;
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DEBUG(errs() << "success.\n");
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DEBUG(dbgs() << "success.\n");
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return true;
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}
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