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/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 5e8bce9..bd4c98e 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -323,6 +323,23 @@
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[] = {
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 2be8dcc..0155f03 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1214,6 +1214,9 @@
/// Add a kernel metadata node to the named metadata node 'opencl.kernels'.
/// In the kernel metadata node, reference the kernel function and metadata
/// nodes for its optional attribute qualifiers (OpenCL 1.1 6.7.2):
+ /// - A node for the vec_type_hint(<type>) qualifier contains string
+ /// "vec_type_hint", an undefined value of the <type> data type,
+ /// and a Boolean that is true if the <type> is integer and signed.
/// - A node for the work_group_size_hint(X,Y,Z) qualifier contains string
/// "work_group_size_hint", and three 32-bit integers X, Y and Z.
/// - A node for the reqd_work_group_size(X,Y,Z) qualifier contains string