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

This also switches the users in LLVM to ensure this functionality is tested.

llvm-svn: 202705

3 files changed, 7 insertions, 9 deletions

diff --git a/llvm/lib/Analysis/RegionInfo.cpp b/llvm/lib/Analysis/RegionInfo.cpp
index 876d86b785b..f4da598d844 100644
--- a/llvm/lib/Analysis/RegionInfo.cpp
+++ b/llvm/lib/Analysis/RegionInfo.cpp
@@ -438,8 +438,8 @@ void Region::print(raw_ostream &OS, bool print_tree, unsigned level,
     OS.indent(level*2 + 2);
 
     if (Style == PrintBB) {
-      for (const_block_iterator I = block_begin(), E = block_end(); I != E; ++I)
-        OS << (*I)->getName() << ", "; // TODO: remove the last ","
+      for (const auto &BB : blocks())
+        OS << BB->getName() << ", "; // TODO: remove the last ","
     } else if (Style == PrintRN) {
       for (const_element_iterator I = element_begin(), E = element_end(); I!=E; ++I)
         OS << **I << ", "; // TODO: remove the last ",
diff --git a/llvm/lib/Analysis/RegionPass.cpp b/llvm/lib/Analysis/RegionPass.cpp
index 9208fa21d7e..ac4e1149f08 100644
--- a/llvm/lib/Analysis/RegionPass.cpp
+++ b/llvm/lib/Analysis/RegionPass.cpp
@@ -195,9 +195,8 @@ public:
 
   virtual bool runOnRegion(Region *R, RGPassManager &RGM) {
     Out << Banner;
-    for (Region::block_iterator I = R->block_begin(), E = R->block_end();
-         I != E; ++I)
-      (*I)->print(Out);
+    for (const auto &BB : R->blocks())
+      BB->print(Out);
 
     return false;
   }
diff --git a/llvm/lib/Analysis/RegionPrinter.cpp b/llvm/lib/Analysis/RegionPrinter.cpp
index c5f1b925921..6467f47cfbd 100644
--- a/llvm/lib/Analysis/RegionPrinter.cpp
+++ b/llvm/lib/Analysis/RegionPrinter.cpp
@@ -121,11 +121,10 @@ struct DOTGraphTraits<RegionInfo*> : public DOTGraphTraits<RegionNode*> {
 
     RegionInfo *RI = R->getRegionInfo();
 
-    for (Region::const_block_iterator BI = R->block_begin(),
-         BE = R->block_end(); BI != BE; ++BI)
-      if (RI->getRegionFor(*BI) == R)
+    for (const auto &BB : R->blocks())
+      if (RI->getRegionFor(BB) == R)
         O.indent(2 * (depth + 1)) << "Node"
-          << static_cast<const void*>(RI->getTopLevelRegion()->getBBNode(*BI))
+          << static_cast<const void*>(RI->getTopLevelRegion()->getBBNode(BB))
           << ";\n";
 
     O.indent(2 * depth) << "}\n";