OpenCL: add support for __kernel, kernel keywords and EXTENSION,
FP_CONTRACT pragmas. Patch originally by ARM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125475 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 38ca021..39aff78 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -239,6 +239,19 @@
break;
}
+ if (getContext().getLangOptions().OpenCL) {
+ // Add metadata for a kernel function.
+ if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D))
+ if (FD->hasAttr<OpenCLKernelAttr>()) {
+ llvm::LLVMContext &Context = getLLVMContext();
+ llvm::NamedMDNode *OpenCLMetadata =
+ CGM.getModule().getOrInsertNamedMetadata("opencl.kernels");
+
+ llvm::Value *Op = Fn;
+ OpenCLMetadata->addOperand(llvm::MDNode::get(Context, &Op, 1));
+ }
+ }
+
llvm::BasicBlock *EntryBB = createBasicBlock("entry", CurFn);
// Create a marker to make it easy to insert allocas into the entryblock