Print more loop info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115951 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 09f78d0..7f98bc1 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -886,6 +886,22 @@
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);