[CodeGen]: BlockPlacement: Skip extraneous logging.
Move a check for blocks that are not candidates for tail duplication up before
the logging. Reduces logging noise. No non-logging changes intended.
llvm-svn: 294086
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 6be20ab..8a57f00 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -2215,13 +2215,13 @@
BlockChain &Chain, BlockFilterSet *BlockFilter,
MachineFunction::iterator &PrevUnplacedBlockIt,
bool &DuplicatedToLPred) {
-
DuplicatedToLPred = false;
+ if (!shouldTailDuplicate(BB))
+ return false;
+
DEBUG(dbgs() << "Redoing tail duplication for Succ#"
<< BB->getNumber() << "\n");
- if (!shouldTailDuplicate(BB))
- return false;
// This has to be a callback because none of it can be done after
// BB is deleted.
bool Removed = false;