diff options
Diffstat (limited to 'clang/lib/Sema')
| -rw-r--r-- | clang/lib/Sema/AttributeList.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaDeclAttr.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaType.cpp | 40 |
3 files changed, 42 insertions, 0 deletions
diff --git a/clang/lib/Sema/AttributeList.cpp b/clang/lib/Sema/AttributeList.cpp index 1663fd58a99..a715989c685 100644 --- a/clang/lib/Sema/AttributeList.cpp +++ b/clang/lib/Sema/AttributeList.cpp @@ -94,6 +94,7 @@ AttributeList::Kind AttributeList::getKind(const IdentifierInfo *Name) { .Case("unavailable", AT_unavailable) .Case("overloadable", AT_overloadable) .Case("address_space", AT_address_space) + .Case("opencl_image_access", AT_opencl_image_access) .Case("always_inline", AT_always_inline) .Case("returns_twice", IgnoredAttribute) .Case("vec_type_hint", IgnoredAttribute) diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp index 5f6de1409e2..3c1127784d4 100644 --- a/clang/lib/Sema/SemaDeclAttr.cpp +++ b/clang/lib/Sema/SemaDeclAttr.cpp @@ -2724,6 +2724,7 @@ static void ProcessInheritableDeclAttr(Scope *scope, Decl *D, case AttributeList::AT_IBOutletCollection: HandleIBOutletCollection(D, Attr, S); break; case AttributeList::AT_address_space: + case AttributeList::AT_opencl_image_access: case AttributeList::AT_objc_gc: case AttributeList::AT_vector_size: case AttributeList::AT_neon_vector_type: diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp index b78c21bbb63..dc2d3ac518b 100644 --- a/clang/lib/Sema/SemaType.cpp +++ b/clang/lib/Sema/SemaType.cpp @@ -13,6 +13,7 @@ #include "clang/Sema/SemaInternal.h" #include "clang/Sema/Template.h" +#include "clang/Basic/OpenCL.h" #include "clang/AST/ASTContext.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/DeclObjC.h" @@ -2965,6 +2966,41 @@ static bool handleFunctionTypeAttr(TypeProcessingState &state, return true; } +/// Handle OpenCL image access qualifiers: read_only, write_only, read_write +static void HandleOpenCLImageAccessAttribute(QualType& CurType, + const AttributeList &Attr, + Sema &S) { + // Check the attribute arguments. + if (Attr.getNumArgs() != 1) { + S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; + Attr.setInvalid(); + return; + } + Expr *sizeExpr = static_cast<Expr *>(Attr.getArg(0)); + llvm::APSInt arg(32); + if (sizeExpr->isTypeDependent() || sizeExpr->isValueDependent() || + !sizeExpr->isIntegerConstantExpr(arg, S.Context)) { + S.Diag(Attr.getLoc(), diag::err_attribute_argument_not_int) + << "opencl_image_access" << sizeExpr->getSourceRange(); + Attr.setInvalid(); + return; + } + unsigned iarg = static_cast<unsigned>(arg.getZExtValue()); + switch (iarg) { + case CLIA_read_only: + case CLIA_write_only: + case CLIA_read_write: + // Implemented in a separate patch + break; + default: + // Implemented in a separate patch + S.Diag(Attr.getLoc(), diag::err_attribute_invalid_size) + << sizeExpr->getSourceRange(); + Attr.setInvalid(); + break; + } +} + /// HandleVectorSizeAttribute - this attribute is only applicable to integral /// and float scalars, although arrays, pointers, and function return values are /// allowed in conjunction with this construct. Aggregates with this attribute @@ -3119,6 +3155,10 @@ static void processTypeAttrs(TypeProcessingState &state, QualType &type, "neon_polyvector_type"); break; + case AttributeList::AT_opencl_image_access: + HandleOpenCLImageAccessAttribute(type, attr, state.getSema()); + break; + FUNCTION_TYPE_ATTRS_CASELIST: // Never process function type attributes as part of the // declaration-specifiers. |
