commit ebeaf2031c968143c531bfe232d7507f20c57347
author Anders Carlsson <andersca@mac.com> Fri Oct 16 02:35:04 2009 +0000
committer Anders Carlsson <andersca@mac.com> Fri Oct 16 02:35:04 2009 +0000
tree 495356a7dc7028d739c21b79d9ce8bbde83efea4
parent 5a3ce9b10c164d9bf75a70d429e55d4e171a9a9e

Add a ToVoid cast kind and start using it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84241 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/Expr.h

diff --git a/include/clang/AST/Expr.h b/include/clang/AST/Expr.h
index d5dff50..67f493c 100644
--- a/include/clang/AST/Expr.h
+++ b/include/clang/AST/Expr.h
@@ -1399,7 +1399,10 @@
     CK_IntegralToPointer,
     
     /// CK_PointerToIntegral - Pointer to integral
-    CK_PointerToIntegral
+    CK_PointerToIntegral,
+    
+    /// CK_ToVoid - Cast to void.
+    CK_ToVoid
   };
 
 private:

lib/AST/Expr.cpp

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 0e4a29f..fa999ff 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -426,6 +426,8 @@
     return "IntegralToPointer";
   case CastExpr::CK_PointerToIntegral:
     return "PointerToIntegral";
+  case CastExpr::CK_ToVoid:
+    return "ToVoid";
   }
 
   assert(0 && "Unhandled cast kind!");

lib/Sema/SemaExpr.cpp

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index d818a50..279f50b 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3157,7 +3157,11 @@
   // type needs to be scalar.
   if (castType->isVoidType()) {
     // Cast to void allows any expr type.
-  } else if (!castType->isScalarType() && !castType->isVectorType()) {
+    Kind = CastExpr::CK_ToVoid;
+    return false;
+  }
+  
+  if (!castType->isScalarType() && !castType->isVectorType()) {
     if (Context.getCanonicalType(castType).getUnqualifiedType() ==
         Context.getCanonicalType(castExpr->getType().getUnqualifiedType()) &&
         (castType->isStructureType() || castType->isUnionType())) {