[X86] Warn if a scheduling instregex fails to match any instruction #34894
Description
| Bugzilla Link | 35546 |
| Resolution | INVALID |
| Resolved on | Dec 10, 2017 07:00 |
| Version | trunk |
| OS | Windows NT |
| Blocks | #31672 |
| CC | @adibiagio,@rotateright |
Extended Description
Working on the scheduler models recently I've noticed several cases where typos in instregex entries have meant it failed to match any instruction.
It would be very useful if tablegen reported a warning/error if the instregex fails to match any instruction.
