Give some convenient idiomatic accessors to Stmt::child_range and
Stmt::const_child_range, then make a bunch of places use them instead
of the individual iterator accessors.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125450 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/JumpDiagnostics.cpp b/lib/Sema/JumpDiagnostics.cpp
index bbe7bd5..bd6b48a 100644
--- a/lib/Sema/JumpDiagnostics.cpp
+++ b/lib/Sema/JumpDiagnostics.cpp
@@ -221,8 +221,7 @@
     break;
   }
 
-  for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); CI != E;
-       ++CI) {
+  for (Stmt::child_range CI = S->children(); CI; ++CI) {
     if (SkipFirstSubStmt) {
       SkipFirstSubStmt = false;
       continue;
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 24dcfb6..03ce7f3 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -2954,8 +2954,7 @@
 
   // Now just recurse over the expression's children.
   CC = E->getExprLoc();
-  for (Stmt::child_iterator I = E->child_begin(), IE = E->child_end();
-         I != IE; ++I)
+  for (Stmt::child_range I = E->children(); I; ++I)
     AnalyzeImplicitConversions(S, cast<Expr>(*I), CC);
 }
 
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 90ec795..cc3a02f 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -63,8 +63,7 @@
   /// VisitExpr - Visit all of the children of this expression.
   bool CheckDefaultArgumentVisitor::VisitExpr(Expr *Node) {
     bool IsInvalid = false;
-    for (Stmt::child_iterator I = Node->child_begin(),
-         E = Node->child_end(); I != E; ++I)
+    for (Stmt::child_range I = Node->children(); I; ++I)
       IsInvalid |= Visit(*I);
     return IsInvalid;
   }
@@ -1365,8 +1364,7 @@
     if (UOE->getOpcode() == UO_AddrOf)
       return false;
   }
-  for (Stmt::const_child_iterator it = S->child_begin(), e = S->child_end();
-       it != e; ++it) {
+  for (Stmt::const_child_range it = S->children(); it; ++it) {
     if (!*it) {
       // An expression such as 'member(arg ?: "")' may trigger this.
       continue;
@@ -7199,8 +7197,7 @@
 }
 
 static void SearchForReturnInStmt(Sema &Self, Stmt *S) {
-  for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); CI != E;
-       ++CI) {
+  for (Stmt::child_range CI = S->children(); CI; ++CI) {
     Stmt *SubStmt = *CI;
     if (!SubStmt)
       continue;