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Print more loop info.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-10-07 18:47:07 +00:00
parent 8fc3d1187c
commit 452a9fdf54
1 changed files with 16 additions and 0 deletions
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16
lib/CodeGen/SplitKit.cpp
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@ -886,6 +886,22 @@ void SplitEditor::splitAroundLoop(const MachineLoop *Loop) {
SplitAnalysis::LoopBlocks Blocks;
sa_.getLoopBlocks(Loop, Blocks);
DEBUG({
dbgs() << " splitAroundLoop";
for (SplitAnalysis::BlockPtrSet::iterator I = Blocks.Loop.begin(),
E = Blocks.Loop.end(); I != E; ++I)
dbgs() << " BB#" << (*I)->getNumber();
dbgs() << ", preds:";
for (SplitAnalysis::BlockPtrSet::iterator I = Blocks.Preds.begin(),
E = Blocks.Preds.end(); I != E; ++I)
dbgs() << " BB#" << (*I)->getNumber();
dbgs() << ", exits:";
for (SplitAnalysis::BlockPtrSet::iterator I = Blocks.Exits.begin(),
E = Blocks.Exits.end(); I != E; ++I)
dbgs() << " BB#" << (*I)->getNumber();
dbgs() << '\n';
});
// Break critical edges as needed.
SplitAnalysis::BlockPtrSet CriticalExits;
sa_.getCriticalExits(Blocks, CriticalExits);