[C++11] Add a basic block range view for RegionInfo

[oota-llvm.git] / lib / Transforms / Scalar / StructurizeCFG.cpp

diff --git a/lib/Transforms/Scalar/StructurizeCFG.cpp b/lib/Transforms/Scalar/StructurizeCFG.cpp
index 60382889ef05e727dae95c1ec9fc6f8c8e78ccb2..6066727b3ac550654b403c33debb07bc8e92f80e 100644 (file)
--- a/lib/Transforms/Scalar/StructurizeCFG.cpp
+++ b/lib/Transforms/Scalar/StructurizeCFG.cpp
@@ -829,11 +829,7 @@ void StructurizeCFG::createFlow() {
 /// no longer dominate all their uses. Not sure if this is really nessasary
 void StructurizeCFG::rebuildSSA() {
   SSAUpdater Updater;
-  for (Region::block_iterator I = ParentRegion->block_begin(),
-                              E = ParentRegion->block_end();
-       I != E; ++I) {
-
-    BasicBlock *BB = *I;
+  for (const auto &BB : ParentRegion->blocks())
     for (BasicBlock::iterator II = BB->begin(), IE = BB->end();
          II != IE; ++II) {
 
@@ -864,7 +860,6 @@ void StructurizeCFG::rebuildSSA() {
         Updater.RewriteUseAfterInsertions(*I);
       }
     }
-  }
 }
 
 /// \brief Run the transformation for each region found