[cfe-commits] r45195 - in /cfe/trunk/Sema: Sema.h SemaDecl.cpp

[Anders Carlsson]

Author: andersca
Date: Wed Dec 19 01:19:40 2007
New Revision: 45195

URL: http://llvm.org/viewvc/llvm-project?rev=45195&view=rev
Log:
Fix an embarassing typo and add some very limited support for the aligned attribute.

Modified:
    cfe/trunk/Sema/Sema.h
    cfe/trunk/Sema/SemaDecl.cpp

Modified: cfe/trunk/Sema/Sema.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Sema/Sema.h?rev=45195&r1=45194&r2=45195&view=diff

==============================================================================
--- cfe/trunk/Sema/Sema.h (original)
+++ cfe/trunk/Sema/Sema.h Wed Dec 19 01:19:40 2007
@@ -250,6 +250,8 @@
   QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr);
   void HandleOCUVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr);
   
+  void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr);
+    
   /// CheckProtocolMethodDefs - This routine checks unimpletented methods
   /// Declared in protocol, and those referenced by it.
   void CheckProtocolMethodDefs(ObjcProtocolDecl *PDecl,

Modified: cfe/trunk/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Sema/SemaDecl.cpp?rev=45195&r1=45194&r2=45195&view=diff

==============================================================================
--- cfe/trunk/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/Sema/SemaDecl.cpp Wed Dec 19 01:19:40 2007
@@ -1678,7 +1678,10 @@
     else
       Diag(rawAttr->getAttributeLoc(), 
            diag::err_typecheck_ocu_vector_not_typedef);
+  } else if (attrLen == 7 && !memcmp(attrName, "aligned", 7)) {
+      HandleAlignedAttribute(New, rawAttr);
   }
+  
   // FIXME: add other attributes...
 }
 
@@ -1697,7 +1700,7 @@
 void Sema::HandleOCUVectorTypeAttribute(TypedefDecl *tDecl, 
                                         AttributeList *rawAttr) {
   QualType curType = tDecl->getUnderlyingType();
-  // check the attribute arugments.
+  // check the attribute arguments.
   if (rawAttr->getNumArgs() != 1) {
     Diag(rawAttr->getAttributeLoc(), diag::err_attribute_wrong_number_arguments,
          std::string("1"));
@@ -1795,3 +1798,20 @@
   return Context.getVectorType(curType, vectorSize/typeSize);
 }
 
+void Sema::HandleAlignedAttribute(Decl *d, AttributeList *rawAttr)
+{
+  // check the attribute arguments.
+  if (rawAttr->getNumArgs() != 1) {
+    Diag(rawAttr->getAttributeLoc(), diag::err_attribute_wrong_number_arguments,
+         std::string("1"));
+    return;
+  }
+  
+  Expr *alignmentExpr = static_cast<Expr *>(rawAttr->getArg(0));
+  llvm::APSInt alignment(32);
+  if (!alignmentExpr->isIntegerConstantExpr(alignment, Context)) {
+    Diag(rawAttr->getAttributeLoc(), diag::err_attribute_vector_size_not_int,
+         alignmentExpr->getSourceRange());
+    return;
+  }    
+}