[PATCH] D25656: AMDGPU: Allow additional implicit operands on MOVRELS instructions
Tom Stellard via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 20 06:43:06 PDT 2016
tstellarAMD added a comment.
In https://reviews.llvm.org/D25656#572773, @nhaehnle wrote:
> Adding a test case.
> The test case is quite fragile because the problem comes from
> ScheduleDAGInstrs::fixupKills, which seems to have a bunch of subtle
> problems with sub-registers, and generally the code just doesn't really
> do what the comments seem to think it does. But fixing that may not be
> worth it since the whole thing has a FIXME on it suggesting to switch it
> all to LivePhysRegs.
Would it be easier to write an MIR tests case?
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