aaron.ballman requested changes to this revision.
This revision now requires changes to proceed.
================
Comment at: lib/Sema/SemaDeclAttr.cpp:5210
@@ +5209,3 @@
+static void handleOpenCLNoSVMAttr(Sema &S, Decl *D, const AttributeList &Attr)
{
+ if (!S.LangOpts.OpenCL) {
+ S.Diag(Attr.getLoc(), diag::warn_unknown_attribute_ignored)
----------------
Please use the language option feature in tabelgen as in your previous patch
instead of performing this work manually. We want use of the attribute to
provide a different diagnostic in this case because the attribute *isn't*
unknown, it simply doesn't apply under the compilation target (and hence is
ignored).
================
Comment at: lib/Sema/SemaDeclAttr.cpp:5218
@@ +5217,3 @@
+ << Attr.getName() << "2.0" << 0;
+}
+
----------------
This should have an else clause telling the user that the attribute is being
ignored; silently accepting it and then not performing the semantics of the
attribute will be confusing behavior for most users. It might not be a bad idea
to also have the diagnostic tell the user that the attribute has been
deprecated and is removed in OpenCL 2.1.
http://reviews.llvm.org/D17861
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