commit cb41e6bf52e51b2cbf6871f63785af1c12a5fe70
author Dan Gohman <gohman@apple.com> Mon Jun 23 23:23:49 2008 +0000
committer Dan Gohman <gohman@apple.com> Mon Jun 23 23:23:49 2008 +0000
tree e1f94f7398c9e288ff1be30b86712b27b5f9223c
parent b3db9c90d24682340f043a8151063128fe3b220b

Use use_empty() instead of getNumUses(), avoiding a use list traversal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52651 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopDeletion.cpp

diff --git a/lib/Transforms/Scalar/LoopDeletion.cpp b/lib/Transforms/Scalar/LoopDeletion.cpp
index 3c0e866..f68a5f7 100644
--- a/lib/Transforms/Scalar/LoopDeletion.cpp
+++ b/lib/Transforms/Scalar/LoopDeletion.cpp
@@ -209,7 +209,7 @@
     for (BasicBlock::iterator BI = (*LI)->begin(), BE = (*LI)->end();
          BI != BE; ) {
       Instruction* I = BI++;
-      if (I->getNumUses() > 0 && IsLoopInvariantInst(I, L))
+      if (!I->use_empty() && IsLoopInvariantInst(I, L))
         I->moveBefore(preheader->getTerminator());
     }