commit c7fc81e6595865296738fe0f8ffe692ea41b1ffc
author Benjamin Kramer <benny.kra@googlemail.com> Sat Dec 30 15:27:33 2017 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Sat Dec 30 15:27:33 2017 +0000
tree 9c14093b59b87a53d42ecbeb9c263c85f46f97e3
parent 06f6d262f99d4bc13739eb224084d239f5445682

Use phi ranges to simplify code. No functionality change intended.

llvm-svn: 321585

llvm/lib/Transforms/Utils/SSAUpdater.cpp

diff --git a/llvm/lib/Transforms/Utils/SSAUpdater.cpp b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
index e4b20b0..b2231d6 100644
--- a/llvm/lib/Transforms/Utils/SSAUpdater.cpp
+++ b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
@@ -147,11 +147,9 @@
   if (isa<PHINode>(BB->begin())) {
     SmallDenseMap<BasicBlock *, Value *, 8> ValueMapping(PredValues.begin(),
                                                          PredValues.end());
-    PHINode *SomePHI;
-    for (BasicBlock::iterator It = BB->begin();
-         (SomePHI = dyn_cast<PHINode>(It)); ++It) {
-      if (IsEquivalentPHI(SomePHI, ValueMapping))
-        return SomePHI;
+    for (PHINode &SomePHI : BB->phis()) {
+      if (IsEquivalentPHI(&SomePHI, ValueMapping))
+        return &SomePHI;
     }
   }