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Add support for the OpenCL attribute 'vec_type_hint'.

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Patch by Murat Bolat!

llvm-svn: 176686
This commit is contained in:
Joey Gouly
2013-03-08 09:42:32 +00:00
parent 48f2a72435
commit aba589cceb
8 changed files with 156 additions and 15 deletions
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17
clang/lib/CodeGen/CodeGenFunction.cpp
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@@ -323,6 +323,23 @@ void CodeGenFunction::EmitOpenCLKernelMetadata(const FunctionDecl *FD,
if (CGM.getCodeGenOpts().EmitOpenCLArgMetadata)
GenOpenCLArgMetadata(FD, Fn, CGM, Context, kernelMDArgs);
if (FD->hasAttr<VecTypeHintAttr>()) {
VecTypeHintAttr *attr = FD->getAttr<VecTypeHintAttr>();
QualType hintQTy = attr->getTypeHint();
const ExtVectorType *hintEltQTy = hintQTy->getAs<ExtVectorType>();
bool isSignedInteger =
hintQTy->isSignedIntegerType() ||
(hintEltQTy && hintEltQTy->getElementType()->isSignedIntegerType());
llvm::Value *attrMDArgs[] = {
llvm::MDString::get(Context, "vec_type_hint"),
llvm::UndefValue::get(CGM.getTypes().ConvertType(attr->getTypeHint())),
llvm::ConstantInt::get(
llvm::IntegerType::get(Context, 32),
llvm::APInt(32, (uint64_t)(isSignedInteger ? 1 : 0)))
};
kernelMDArgs.push_back(llvm::MDNode::get(Context, attrMDArgs));
}
if (FD->hasAttr<WorkGroupSizeHintAttr>()) {
WorkGroupSizeHintAttr *attr = FD->getAttr<WorkGroupSizeHintAttr>();
llvm::Value *attrMDArgs[] = {