Author: aaronballman
Date: Wed Dec 18 09:59:41 2013
New Revision: 197582
URL: http://llvm.org/viewvc/llvm-project?rev=197582&view=rev
Log:
Adding some comments about AST node requirements for attributes which create
AST nodes but never actually make use of them. No functional changes.
Modified:
cfe/trunk/include/clang/Basic/Attr.td
Modified: cfe/trunk/include/clang/Basic/Attr.td
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Attr.td?rev=197582&r1=197581&r2=197582&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Attr.td (original)
+++ cfe/trunk/include/clang/Basic/Attr.td Wed Dec 18 09:59:41 2013
@@ -502,12 +502,17 @@ def GNUInline : InheritableAttr {
def Hot : InheritableAttr {
let Spellings = [GNU<"hot">, CXX11<"gnu", "hot">];
let Subjects = SubjectList<[Function]>;
+ // An AST node is created for this attribute, but not actually used beyond
+ // semantic checking for mutual exclusion with the Cold attribute.
}
def IBAction : InheritableAttr {
let Spellings = [GNU<"ibaction">];
let Subjects = SubjectList<[ObjCInstanceMethod], WarnDiag,
"ExpectedObjCInstanceMethod">;
+ // An AST node is created for this attribute, but is not used by other parts
+ // of the compiler. However, this node needs to exist in the AST because
+ // external tools rely on it.
}
def IBOutlet : InheritableAttr {
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