[PATCH] D136944: [AMDGPU] Enable `s_sendmsg_rtn` selection with `+gfx11-insts`
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 31 19:32:23 PDT 2022
arsenm added a comment.
In D136944#3891713 <https://reviews.llvm.org/D136944#3891713>, @foad wrote:
> I do think this is much nicer than the previous approach of generating V_ILLEGAL instead of diagnosing illegal intrinsics (D123693 <https://reviews.llvm.org/D123693>).
We can't really avoid the V_ILLEGAL case if the instruction isn't encodable for the end subtarget. There's 3 different ways instructions can be illegal
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