cleanup unneeded imports and fix comments

Author: eliecuevas

clang/lib/CodeGen/CGCilk.cpp

@@ -15,11 +15,9 @@
 #include "CGCleanup.h"
 #include "clang/AST/ExprCilk.h"
 #include "clang/AST/StmtCilk.h"
-#include <iostream>
 
 using namespace clang;
 using namespace CodeGen;
-using namespace std;
 
 CodeGenFunction::IsSpawnedScope::IsSpawnedScope(CodeGenFunction *CGF)
     : CGF(CGF), OldIsSpawned(CGF->IsSpawned),
@@ -539,8 +537,6 @@ CodeGenFunction::EmitCilkForRangeStmt(const CilkForRangeStmt &S,
 
   Builder.CreateCondBr(InitialBoolCondVal, Continue.getBlock(), LoopExit.getBlock()); 
 
-
-
   EmitBlock(CondBlock);
   Expr::EvalResult Result;
 

clang/lib/Parse/ParseCilk.cpp

@@ -434,9 +434,9 @@ StmtResult Parser::ParseCilkForStatement(SourceLocation *TrailingElseLoc) {
   // if (CoawaitLoc.isValid() && getLangOpts().CPlusPlus20)
   //   Diag(CoawaitLoc, diag::warn_deprecated_for_co_await);
 
-  // // We need to perform most of the semantic analysis for a C++0x for-range
-  // // statememt before parsing the body, in order to be able to deduce the type
-  // // of an auto-typed loop variable.
+  // We need to perform most of the semantic analysis for a C++0x for-range
+  // statememt before parsing the body, in order to be able to deduce the type
+  // of an auto-typed loop variable.
   StmtResult ForRangeStmt;
   // StmtResult ForEachStmt;