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author	Simon Pilgrim <llvm-dev@redking.me.uk>
	Fri, 7 Feb 2020 16:38:24 +0000 (16:38 +0000)
committer	Simon Pilgrim <llvm-dev@redking.me.uk>
	Fri, 7 Feb 2020 17:04:17 +0000 (17:04 +0000)
commit	c96001035d4b7ac1b4b84705c7035d6c0fa28ffa
tree	225e840a7d14e1ad8866357fad1f725edb030f70	tree \| snapshot
parent	28d22c2c9c3199c60ba8ff0a06d06a6ff70b609d	commit \| diff

[X86] isNegatibleForFree - allow pre-legalized FMA negation

As long as the FMA operation is legal (which we can proxy for the FMA3/FMA4 variants as well), we don't have to wait for the LegalOperations stage.

Domain: System / Toolchain;