[PATCH] Switch To Select optimization , fixed case with multiple incoming edges from same block

[Marcello Maggioni]

================
Comment at: lib/Transforms/Utils/SimplifyCFG.cpp:3575
@@ +3574,3 @@
+  BasicBlock *SelectBB = SI->getParent();
+  while (PHI->getBasicBlockIndex(SelectBB) >= 0)
+    PHI->removeIncomingValue(SelectBB);
----------------
This is the only thing that changed from the previous patch, with this becoming a "while" from an "if"

http://reviews.llvm.org/D5746