aaron.ballman added inline comments.
================
Comment at: include/clang/Basic/Attr.td:701
@@ -699,1 +700,3 @@
+def OpenCLNoSVM : Attr {
+ let Spellings = [GNU<"nosvm">];
----------------
yaxunl wrote:
> aaron.ballman wrote:
> > Since the attribute is ignored by clang, you should inherit from
> > IgnoredAttr.
> I tried that from beginning. If I inherit from IgnoredAttr, it seems to be
> ignored by the parser and won't reach the sema check part, and I cannot emit
> error msg based on OpenCL version.
Ah. so it isn't *totally* ignored. Okay, in that case, you should set ASTNode =
0 and SemaHandler = 0.
Repository:
rL LLVM
http://reviews.llvm.org/D17861
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