[llvm-commits] CVS: llvm/lib/Analysis/PostDominators.cpp

[Devang Patel]

Changes in directory llvm/lib/Analysis:

PostDominators.cpp updated: 1.66 -> 1.67
---
Log message:

Cache DT[*SI] lookup.


---
Diffs of the changes:  (+4 -2)

 PostDominators.cpp |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)


Index: llvm/lib/Analysis/PostDominators.cpp
diff -u llvm/lib/Analysis/PostDominators.cpp:1.66 llvm/lib/Analysis/PostDominators.cpp:1.67
--- llvm/lib/Analysis/PostDominators.cpp:1.66	Tue Apr 17 19:53:01 2007
+++ llvm/lib/Analysis/PostDominators.cpp	Tue Apr 17 20:19:55 2007
@@ -282,10 +282,12 @@
 
   if (BB)
     for (pred_iterator SI = pred_begin(BB), SE = pred_end(BB);
-         SI != SE; ++SI)
+         SI != SE; ++SI) {
       // Does Node immediately dominate this predecessor?
-      if (DT[*SI] && DT[*SI]->getIDom() != Node)
+      DominatorTree::Node *SINode = DT[*SI];
+      if (SINode && SINode->getIDom() != Node)
         S.insert(*SI);
+    }
 
   // At this point, S is DFlocal.  Now we union in DFup's of our children...
   // Loop through and visit the nodes that Node immediately dominates (Node's