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-rw-r--r--clang/include/clang/Basic/Attr.td3
-rw-r--r--clang/include/clang/Basic/DiagnosticSemaKinds.td2
-rw-r--r--clang/lib/Sema/SemaDeclAttr.cpp19
-rw-r--r--clang/test/SemaOpenCL/invalid-kernel-attrs.cl11
4 files changed, 35 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index 168ca810eba..f9f4ce13390 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -772,6 +772,7 @@ def ReqdWorkGroupSize : InheritableAttr {
let Spellings = [GNU<"reqd_work_group_size">];
let Args = [UnsignedArgument<"XDim">, UnsignedArgument<"YDim">,
UnsignedArgument<"ZDim">];
+ let Subjects = SubjectList<[Function], ErrorDiag>;
}
def WorkGroupSizeHint : InheritableAttr {
@@ -779,6 +780,7 @@ def WorkGroupSizeHint : InheritableAttr {
let Args = [UnsignedArgument<"XDim">,
UnsignedArgument<"YDim">,
UnsignedArgument<"ZDim">];
+ let Subjects = SubjectList<[Function], ErrorDiag>;
}
def InitPriority : InheritableAttr {
@@ -877,6 +879,7 @@ def VectorSize : TypeAttr {
def VecTypeHint : InheritableAttr {
let Spellings = [GNU<"vec_type_hint">];
let Args = [TypeArgument<"TypeHint">];
+ let Subjects = SubjectList<[Function], ErrorDiag>;
}
def Visibility : InheritableAttr {
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 9f176631190..fdea0a3c94a 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -6728,6 +6728,8 @@ def err_wrong_sampler_addressspace: Error<
def err_opencl_global_invalid_addr_space : Error<
"global variables must have a constant address space qualifier">;
def err_opencl_no_main : Error<"%select{function|kernel}0 cannot be called 'main'">;
+def err_opencl_kernel_attr :
+ Error<"attribute '%0' can only be applied to a kernel function">;
} // end of sema category
let CategoryName = "OpenMP Issue" in {
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index f96add14826..5e9bd2cf49b 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -4217,6 +4217,7 @@ void Sema::ProcessDeclAttributeList(Scope *S, Decl *D,
for (const AttributeList* l = AttrList; l; l = l->getNext())
ProcessDeclAttribute(*this, S, D, *l, IncludeCXX11Attributes);
+ // FIXME: We should be able to handle these cases in TableGen.
// GCC accepts
// static int a9 __attribute__((weakref));
// but that looks really pointless. We reject it.
@@ -4226,6 +4227,24 @@ void Sema::ProcessDeclAttributeList(Scope *S, Decl *D,
D->dropAttr<WeakRefAttr>();
return;
}
+
+ if (!D->hasAttr<OpenCLKernelAttr>()) {
+ // These attributes cannot be applied to a non-kernel function.
+ if (D->hasAttr<ReqdWorkGroupSizeAttr>()) {
+ Diag(D->getLocation(), diag::err_opencl_kernel_attr)
+ << "reqd_work_group_size";
+ D->setInvalidDecl();
+ }
+ if (D->hasAttr<WorkGroupSizeHintAttr>()) {
+ Diag(D->getLocation(), diag::err_opencl_kernel_attr)
+ << "work_group_size_hint";
+ D->setInvalidDecl();
+ }
+ if (D->hasAttr<VecTypeHintAttr>()) {
+ Diag(D->getLocation(), diag::err_opencl_kernel_attr) << "vec_type_hint";
+ D->setInvalidDecl();
+ }
+ }
}
// Annotation attributes are the only attributes allowed after an access
diff --git a/clang/test/SemaOpenCL/invalid-kernel-attrs.cl b/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
index 668dc2a54d0..0da7ddf34dd 100644
--- a/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
+++ b/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
@@ -14,3 +14,14 @@ kernel __attribute__((work_group_size_hint(8,16,32,4))) void kernel6() {} //expe
kernel __attribute__((work_group_size_hint(1,2,3))) __attribute__((work_group_size_hint(3,2,1))) void kernel7() {} //expected-warning{{attribute 'work_group_size_hint' is already applied with different parameters}}
+__attribute__((reqd_work_group_size(8,16,32))) void kernel8(){} // expected-error {{attribute 'reqd_work_group_size' can only be applied to a kernel}}
+
+__attribute__((work_group_size_hint(8,16,32))) void kernel9(){} // expected-error {{attribute 'work_group_size_hint' can only be applied to a kernel}}
+
+__attribute__((vec_type_hint(char))) void kernel10(){} // expected-error {{attribute 'vec_type_hint' can only be applied to a kernel}}
+
+constant int foo1 __attribute__((reqd_work_group_size(8,16,32))); // expected-error {{'reqd_work_group_size' attribute only applies to functions}}
+
+constant int foo2 __attribute__((work_group_size_hint(8,16,32))); // expected-error {{'work_group_size_hint' attribute only applies to functions}}
+
+constant int foo3 __attribute__((vec_type_hint(char))); // expected-error {{'vec_type_hint' attribute only applies to functions}}
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