Add support for the OpenCL attribute 'vec_type_hint'.
Patch by Murat Bolat!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 2778d6e..c9ccf80 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -2769,6 +2769,36 @@
Attr.getAttributeSpellingListIndex()));
}
+static void handleVecTypeHint(Sema &S, Decl *D, const AttributeList &Attr) {
+ assert(Attr.getKind() == AttributeList::AT_VecTypeHint);
+
+ // Attribute has 1 argument.
+ if (!checkAttributeNumArgs(S, Attr, 1))
+ return;
+
+ QualType ParmType = S.GetTypeFromParser(Attr.getTypeArg());
+
+ if (!ParmType->isExtVectorType() && !ParmType->isFloatingType() &&
+ (ParmType->isBooleanType() ||
+ !ParmType->isIntegralType(S.getASTContext()))) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_argument_vec_type_hint)
+ << ParmType;
+ return;
+ }
+
+ if (Attr.getKind() == AttributeList::AT_VecTypeHint &&
+ D->hasAttr<VecTypeHintAttr>()) {
+ VecTypeHintAttr *A = D->getAttr<VecTypeHintAttr>();
+ if (A->getTypeHint() != ParmType) {
+ S.Diag(Attr.getLoc(), diag::warn_duplicate_attribute) << Attr.getName();
+ return;
+ }
+ }
+
+ D->addAttr(::new (S.Context) VecTypeHintAttr(Attr.getLoc(), S.Context,
+ ParmType, Attr.getLoc()));
+}
+
SectionAttr *Sema::mergeSectionAttr(Decl *D, SourceRange Range,
StringRef Name,
unsigned AttrSpellingListIndex) {
@@ -4750,6 +4780,9 @@
case AttributeList::AT_ReqdWorkGroupSize:
handleWorkGroupSize(S, D, Attr); break;
+ case AttributeList::AT_VecTypeHint:
+ handleVecTypeHint(S, D, Attr); break;
+
case AttributeList::AT_InitPriority:
handleInitPriorityAttr(S, D, Attr); break;