[llvm-commits] [llvm] r133946 - /llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp

Jakub Staszak jstaszak at apple.com
Mon Jun 27 14:51:12 PDT 2011


Author: kuba
Date: Mon Jun 27 16:51:12 2011
New Revision: 133946

URL: http://llvm.org/viewvc/llvm-project?rev=133946&view=rev
Log:
Calculate GetBestDestForJumpOnUndef correctly.

Modified:
    llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp?rev=133946&r1=133945&r2=133946&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/JumpThreading.cpp Mon Jun 27 16:51:12 2011
@@ -600,8 +600,10 @@
   for (unsigned i = 1, e = BBTerm->getNumSuccessors(); i != e; ++i) {
     TestBB = BBTerm->getSuccessor(i);
     unsigned NumPreds = std::distance(pred_begin(TestBB), pred_end(TestBB));
-    if (NumPreds < MinNumPreds)
+    if (NumPreds < MinNumPreds) {
       MinSucc = i;
+      MinNumPreds = NumPreds;
+    }
   }
 
   return MinSucc;





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