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[] = {