[Mlir-commits] [mlir] [MLIR][Math][GPU] Add lowering of absi and fpowi to libdevice (PR #123422)

[Oleksandr Alex Zinenko]

================
@@ -72,13 +46,15 @@ struct OpToFuncCallLowering : public ConvertOpToLLVMPattern<SourceOp> {
 
     SmallVector<Value, 1> castedOperands;
     for (Value operand : adaptor.getOperands())
-      castedOperands.push_back(maybeCast(operand, rewriter));
+      castedOperands.push_back(
+          ((const DerivedTy *)this)->maybeCast(operand, rewriter));
 
     Type resultType = castedOperands.front().getType();
     Type funcType = getFunctionType(resultType, castedOperands);
     StringRef funcName =
-        getFunctionName(cast<LLVM::LLVMFunctionType>(funcType).getReturnType(),
-                        op.getFastmath());
+        ((const DerivedTy *)this)
----------------
ftynse wrote:

```suggestion
        static_cast<const DerivedTy *>(this)
```

https://github.com/llvm/llvm-project/pull/123422