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Author SHA1 Message Date
Matt Arsenault 6fb544d1d2 AMDGPU/GlobalISel: Combine FMIN_LEGACY/FMAX_LEGACY 
Try out using combine definition rules.

This really should be a post-legalizer combine, but the combiner pass
is currently pre-legalize. Most of the target combines are really
post-legalize, so we should probably move the pass.
 2020-01-31 06:58:04 -08:00
Matt Arsenault a174f0da62 AMDGPU/GlobalISel: Add pre-legalize combiner pass 
Just copy the AArch64 pass as-is for now, except for removing the
memcpy handling.
 2020-01-22 10:16:39 -05:00