5 files changed, 14 insertions, 22 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 8df2eaec966..d3a82c4dc5e 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -4804,9 +4804,8 @@ std::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const {
   SourceLocation Loc;
   CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy);
   CharUnits ParmOffset = PtrSize;
-  for (BlockDecl::param_const_iterator PI = Decl->param_begin(),
-       E = Decl->param_end(); PI != E; ++PI) {
-    QualType PType = (*PI)->getType();
+  for (auto PI : Decl->params()) {
+    QualType PType = PI->getType();
     CharUnits sz = getObjCEncodingTypeSize(PType);
     if (sz.isZero())
       continue;
@@ -4820,9 +4819,7 @@ std::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const {
   
   // Argument types.
   ParmOffset = PtrSize;
-  for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E =
-       Decl->param_end(); PI != E; ++PI) {
-    ParmVarDecl *PVDecl = *PI;
+  for (auto PVDecl : Decl->params()) {
     QualType PType = PVDecl->getOriginalType(); 
     if (const ArrayType *AT =
           dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) {
diff --git a/clang/lib/AST/ASTDumper.cpp b/clang/lib/AST/ASTDumper.cpp
index 42edf5bb94d..c1a8eaf01f0 100644
--- a/clang/lib/AST/ASTDumper.cpp
+++ b/clang/lib/AST/ASTDumper.cpp
@@ -1439,9 +1439,8 @@ void ASTDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
 }
 
 void ASTDumper::VisitBlockDecl(const BlockDecl *D) {
-  for (BlockDecl::param_const_iterator I = D->param_begin(), E = D->param_end();
-       I != E; ++I)
-    dumpDecl(*I);
+  for (auto I : D->params())
+    dumpDecl(I);
 
   if (D->isVariadic()) {
     IndentScope Indent(*this);
diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index a75f341b3bf..86afa324895 100644
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -1117,9 +1117,8 @@ CodeGenFunction::GenerateBlockFunction(GlobalDecl GD,
   args.push_back(&selfDecl);
 
   // Now add the rest of the parameters.
-  for (BlockDecl::param_const_iterator i = blockDecl->param_begin(),
-       e = blockDecl->param_end(); i != e; ++i)
-    args.push_back(*i);
+  for (auto i : blockDecl->params())
+    args.push_back(i);
 
   // Create the function declaration.
   const FunctionProtoType *fnType = blockInfo.getBlockExpr()->getFunctionType();
diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index 7add3c2a1a6..4cab3719c4d 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -2163,11 +2163,9 @@ void CodeGenFunction::EmitLambdaBlockInvokeBody() {
   CallArgs.add(RValue::get(ThisPtr), ThisType);
 
   // Add the rest of the parameters.
-  for (BlockDecl::param_const_iterator I = BD->param_begin(),
-       E = BD->param_end(); I != E; ++I) {
-    ParmVarDecl *param = *I;
+  for (auto param : BD->params())
     EmitDelegateCallArg(CallArgs, param, param->getLocStart());
-  }
+
   assert(!Lambda->isGenericLambda() && 
             "generic lambda interconversion to block not implemented");
   EmitForwardingCallToLambda(Lambda->getLambdaCallOperator(), CallArgs);
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 2566db30a02..caca6d115bf 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -10446,15 +10446,14 @@ void Sema::ActOnBlockArguments(SourceLocation CaretLoc, Declarator &ParamInfo,
   ProcessDeclAttributes(CurScope, CurBlock->TheDecl, ParamInfo);
 
   // Put the parameter variables in scope.
-  for (BlockDecl::param_iterator AI = CurBlock->TheDecl->param_begin(),
-         E = CurBlock->TheDecl->param_end(); AI != E; ++AI) {
-    (*AI)->setOwningFunction(CurBlock->TheDecl);
+  for (auto AI : CurBlock->TheDecl->params()) {
+    AI->setOwningFunction(CurBlock->TheDecl);
 
     // If this has an identifier, add it to the scope stack.
-    if ((*AI)->getIdentifier()) {
-      CheckShadow(CurBlock->TheScope, *AI);
+    if (AI->getIdentifier()) {
+      CheckShadow(CurBlock->TheScope, AI);
 
-      PushOnScopeChains(*AI, CurBlock->TheScope);
+      PushOnScopeChains(AI, CurBlock->TheScope);
     }
   }
 }