[C++11] Replacing CallArgList writeback iterators with iterator_range writebacks(). Updating all of the usages of the iterators with range-based for loops, and removing the no-longer-needed iterator versions.

llvm-svn: 204062

2 files changed, 8 insertions, 6 deletions

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index a550abfa9d2..c068a11ad66 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -2015,9 +2015,8 @@ static void emitWriteback(CodeGenFunction &CGF,
 
 static void emitWritebacks(CodeGenFunction &CGF,
                            const CallArgList &args) {
-  for (CallArgList::writeback_iterator
-         i = args.writeback_begin(), e = args.writeback_end(); i != e; ++i)
-    emitWriteback(CGF, *i);
+  for (const auto &I : args.writebacks())
+    emitWriteback(CGF, I);
 }
 
 static void deactivateArgCleanupsBeforeCall(CodeGenFunction &CGF,
diff --git a/clang/lib/CodeGen/CGCall.h b/clang/lib/CodeGen/CGCall.h
index c51f06fdcd2..2e43d1d67fc 100644
--- a/clang/lib/CodeGen/CGCall.h
+++ b/clang/lib/CodeGen/CGCall.h
@@ -99,9 +99,12 @@ namespace CodeGen {
 
     bool hasWritebacks() const { return !Writebacks.empty(); }
 
-    typedef SmallVectorImpl<Writeback>::const_iterator writeback_iterator;
-    writeback_iterator writeback_begin() const { return Writebacks.begin(); }
-    writeback_iterator writeback_end() const { return Writebacks.end(); }
+    typedef llvm::iterator_range<SmallVectorImpl<Writeback>::const_iterator>
+      writeback_const_range;
+
+    writeback_const_range writebacks() const {
+      return writeback_const_range(Writebacks.begin(), Writebacks.end());
+    }
 
     void addArgCleanupDeactivation(EHScopeStack::stable_iterator Cleanup,
                                    llvm::Instruction *IsActiveIP) {