[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges.

[oota-llvm.git] / lib / CodeGen / UnreachableBlockElim.cpp

diff --git a/lib/CodeGen/UnreachableBlockElim.cpp b/lib/CodeGen/UnreachableBlockElim.cpp
index 2e220820b9211d8c815a08f9663bd5dc3b0889bd..0476a1292f84ba3620701b563bcd38429e70f9d6 100644 (file)
--- a/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/lib/CodeGen/UnreachableBlockElim.cpp
@@ -79,8 +79,8 @@ bool UnreachableBlockElim::runOnFunction(Function &F) {
         PN->replaceAllUsesWith(Constant::getNullValue(PN->getType()));
         BB->getInstList().pop_front();
       }
-      for (succ_iterator SI = succ_begin(BB), E = succ_end(BB); SI != E; ++SI)
-        (*SI)->removePredecessor(BB);
+      for (BasicBlock *S : successors(BB))
+        S->removePredecessor(BB);
       BB->dropAllReferences();
     }