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diff include/llvm/Analysis/DominanceFrontierImpl.h @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children afa8332a0e37
line wrap: on
line diff
--- a/include/llvm/Analysis/DominanceFrontierImpl.h	Mon Sep 08 22:07:30 2014 +0900
+++ b/include/llvm/Analysis/DominanceFrontierImpl.h	Wed Feb 18 14:55:36 2015 +0900
@@ -172,9 +172,7 @@
     DomSetType &S = this->Frontiers[currentBB];
 
     // Visit each block only once.
-    if (visited.count(currentBB) == 0) {
-      visited.insert(currentBB);
-
+    if (visited.insert(currentBB).second) {
       // Loop over CFG successors to calculate DFlocal[currentNode]
       for (auto SI = BlockTraits::child_begin(currentBB),
                 SE = BlockTraits::child_end(currentBB);