none
The LLVM intrinsics that live under `llvm.x86` are not actual functions, so trying to invoke them as such using the platform's native C calling convention causes incorrect types to be emitted in the IR. Thanks to laytanl for assistance in testing.
@(require_results)
@(require_target_feature=<string>)
@(enable_target_feature=<string>)
require_target_feature - required by the target micro-architecture enable_target_feature - will be enabled for the specified procedure only