Stanislav Mekhanoshin 2e64ad9494 [AMDGPU] Fixed isLegalRegOperand() with physregs ...

This does not change anything at the moment, but needed for
D89170. In that change I am probing a physical SGPR to see if
it is legal. RC is SReg_32, but DRC for scratch instructions
is SReg_32_XEXEC_HI and test fails.

That is sufficient just to check if DRC contains a register
here in case of physreg. Physregs also do not use subregs
so the subreg handling below is irrelevant for these.

Differential Revision: https://reviews.llvm.org/D90064

2020-10-23 11:33:34 -07:00

252 KiB

Raw Blame History

View Raw