From 9bfd9679f9a3350df117ea044b4279a54e2a220e Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 7 Oct 2010 18:47:07 +0000
Subject: Print more loop info.

llvm-svn: 115951
---
 llvm/lib/CodeGen/SplitKit.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'llvm/lib/CodeGen/SplitKit.cpp')

diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp
index 09f78d08260..7f98bc13a36 100644
--- a/llvm/lib/CodeGen/SplitKit.cpp
+++ b/llvm/lib/CodeGen/SplitKit.cpp
@@ -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);
-- 
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