[OG11][committed] amdgcn: Allow vector reductions on constants

On 14/02/2022 14:13, Andrew Stubbs wrote: I've committed this fix for an ICE compiling sollve_vv testcase test_target_teams_distribute_defaultmap.c. Somehow the optimizers result in a vector reduction on a vector of duplicated constants. This was a case the backend didn't handle, so we ended

[committed] amdgcn: Allow vector reductions on constants

I've committed this fix for an ICE compiling sollve_vv testcase test_target_teams_distribute_defaultmap.c. Somehow the optimizers result in a vector reduction on a vector of duplicated constants. This was a case the backend didn't handle, so we ended up with an unrecognised instruction ICE.