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Add some basic debug output.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105561 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-06-07 22:32:10 +00:00
parent 8ece123ebd
commit ba1fe14245
1 changed files with 4 additions and 0 deletions
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4
lib/CodeGen/CodePlacementOpt.cpp
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@ -178,6 +178,8 @@ bool CodePlacementOpt::EliminateUnconditionalJumpsToTop(MachineFunction &MF,
continue;
// Move the block.
DEBUG(dbgs() << "CGP: Moving blocks starting at BB#" << Pred->getNumber()
<< " to top of loop.\n");
Changed = true;
// Move it and all the blocks that can reach it via fallthrough edges
@ -297,6 +299,8 @@ bool CodePlacementOpt::MoveDiscontiguousLoopBlocks(MachineFunction &MF,
continue;
// Move the block.
DEBUG(dbgs() << "CGP: Moving blocks starting at BB#" << BB->getNumber()
<< " to be contiguous with loop.\n");
Changed = true;
// Process this block and all loop blocks contiguous with it, to keep