PCH support for do-while and for loops

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69334 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index bdadd35..d2fb8ab 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -252,6 +252,8 @@
     unsigned VisitIfStmt(IfStmt *S);
     unsigned VisitSwitchStmt(SwitchStmt *S);
     unsigned VisitWhileStmt(WhileStmt *S);
+    unsigned VisitDoStmt(DoStmt *S);
+    unsigned VisitForStmt(ForStmt *S);
     unsigned VisitContinueStmt(ContinueStmt *S);
     unsigned VisitBreakStmt(BreakStmt *S);
     unsigned VisitExpr(Expr *E);
@@ -366,6 +368,24 @@
   return 2;
 }
 
+unsigned PCHStmtReader::VisitDoStmt(DoStmt *S) {
+  VisitStmt(S);
+  S->setCond(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+  S->setBody(StmtStack.back());
+  S->setDoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+  return 2;
+}
+
+unsigned PCHStmtReader::VisitForStmt(ForStmt *S) {
+  VisitStmt(S);
+  S->setInit(StmtStack[StmtStack.size() - 4]);
+  S->setCond(cast_or_null<Expr>(StmtStack[StmtStack.size() - 3]));
+  S->setInc(cast_or_null<Expr>(StmtStack[StmtStack.size() - 2]));
+  S->setBody(StmtStack.back());
+  S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+  return 4;
+}
+
 unsigned PCHStmtReader::VisitContinueStmt(ContinueStmt *S) {
   VisitStmt(S);
   S->setContinueLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
@@ -2136,6 +2156,14 @@
       S = new (Context) WhileStmt(Empty);
       break;
 
+    case pch::STMT_DO:
+      S = new (Context) DoStmt(Empty);
+      break;
+      
+    case pch::STMT_FOR:
+      S = new (Context) ForStmt(Empty);
+      break;
+
     case pch::STMT_CONTINUE:
       S = new (Context) ContinueStmt(Empty);
       break;