4vtomat wrote: Since it's possible that **ISA spec** and **intrinsics spec** are not synchronized, so the updates add an dummy extension called **zexperimental**, once `-menable-experimental-extensions` is specified, the feature `zexperimental` is automatically added. If specifying `let RequiredFeatures = ["Zexperimental"] ` is added in `.td` file, it will check if `zexperimental` exists, if not, the corresponding intrinsics would not be added, hence causing an **intrinsics undeclared** error.
https://github.com/llvm/llvm-project/pull/69000 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
