[Mlir-commits] [mlir] [MLIR][LLVM] Attach kernel metadata representation to `llvm.func` (PR #101314)

[Tobias Gysi]

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@@ -1448,6 +1483,42 @@ static void convertFunctionAttributes(LLVMFuncOp func,
   convertFunctionMemoryAttributes(func, llvmFunc);
 }
 
+/// Converts function attributes from `func` and attaches them to `llvmFunc`.
+template <typename TypeConverter>
+static void convertFunctionKernelAttributes(LLVMFuncOp func,
+                                            llvm::Function *llvmFunc,
+                                            TypeConverter convertType) {
+  llvm::LLVMContext &llvmContext = llvmFunc->getContext();
+
+  if (auto vecTypeHint = func.getVecTypeHint()) {
+    Type type = vecTypeHint->getHint().getValue();
+    llvm::Type *llvmType = convertType(type);
+    bool isSigned = vecTypeHint->getIsSigned();
+    llvmFunc->setMetadata(
+        "vec_type_hint",
----------------
gysit wrote:

Could you use `func.getVecTypeHintAttrName()` here and below? I believe these strings should match?

https://github.com/llvm/llvm-project/pull/101314