[cfe-commits] r159961 - in /cfe/trunk/lib: AST/ExprCXX.cpp CodeGen/CGExprCXX.cpp Sema/SemaExprCXX.cpp

Abramo Bagnara abramo.bagnara at gmail.com
Mon Jul 9 14:15:43 PDT 2012


Author: abramo
Date: Mon Jul  9 16:15:43 2012
New Revision: 159961

URL: http://llvm.org/viewvc/llvm-project?rev=159961&view=rev
Log:
The delete argument should not be converted to void*.

Modified:
    cfe/trunk/lib/AST/ExprCXX.cpp
    cfe/trunk/lib/CodeGen/CGExprCXX.cpp
    cfe/trunk/lib/Sema/SemaExprCXX.cpp

Modified: cfe/trunk/lib/AST/ExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ExprCXX.cpp?rev=159961&r1=159960&r2=159961&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ExprCXX.cpp (original)
+++ cfe/trunk/lib/AST/ExprCXX.cpp Mon Jul  9 16:15:43 2012
@@ -127,13 +127,6 @@
 // CXXDeleteExpr
 QualType CXXDeleteExpr::getDestroyedType() const {
   const Expr *Arg = getArgument();
-  while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Arg)) {
-    if (ICE->getCastKind() != CK_UserDefinedConversion &&
-        ICE->getType()->isVoidPointerType())
-      Arg = ICE->getSubExpr();
-    else
-      break;
-  }
   // The type-to-delete may not be a pointer if it's a dependent type.
   const QualType ArgType = Arg->getType();
 

Modified: cfe/trunk/lib/CodeGen/CGExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprCXX.cpp?rev=159961&r1=159960&r2=159961&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprCXX.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprCXX.cpp Mon Jul  9 16:15:43 2012
@@ -1533,18 +1533,7 @@
 }
 
 void CodeGenFunction::EmitCXXDeleteExpr(const CXXDeleteExpr *E) {
-  
-  // Get at the argument before we performed the implicit conversion
-  // to void*.
   const Expr *Arg = E->getArgument();
-  while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Arg)) {
-    if (ICE->getCastKind() != CK_UserDefinedConversion &&
-        ICE->getType()->isVoidPointerType())
-      Arg = ICE->getSubExpr();
-    else
-      break;
-  }
-
   llvm::Value *Ptr = EmitScalarExpr(Arg);
 
   // Null check the pointer.

Modified: cfe/trunk/lib/Sema/SemaExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprCXX.cpp?rev=159961&r1=159960&r2=159961&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaExprCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprCXX.cpp Mon Jul  9 16:15:43 2012
@@ -2148,9 +2148,6 @@
     //   delete-expression; it is not necessary to cast away the constness
     //   (5.2.11) of the pointer expression before it is used as the operand
     //   of the delete-expression. ]
-    if (!Context.hasSameType(Ex.get()->getType(), Context.VoidPtrTy))
-      Ex = Owned(ImplicitCastExpr::Create(Context, Context.VoidPtrTy,
-                                          CK_BitCast, Ex.take(), 0, VK_RValue));
 
     if (Pointee->isArrayType() && !ArrayForm) {
       Diag(StartLoc, diag::warn_delete_array_type)
@@ -2228,6 +2225,9 @@
       DeclareGlobalNewDelete();
       DeclContext *TUDecl = Context.getTranslationUnitDecl();
       Expr *Arg = Ex.get();
+      if (!Context.hasSameType(Arg->getType(), Context.VoidPtrTy))
+        Arg = ImplicitCastExpr::Create(Context, Context.VoidPtrTy,
+                                       CK_BitCast, Arg, 0, VK_RValue);
       if (FindAllocationOverload(StartLoc, SourceRange(), DeleteName,
                                  &Arg, 1, TUDecl, /*AllowMissing=*/false,
                                  OperatorDelete))





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