stage2 regalloc: track Inst instead of ?Inst in register mapping
The information whether a register is allocated to an instruction is
already encoded in the free_registers "bitmap". Duplicating that
information in the registers map is unnecessary and may lead to
performance degradations.
f5068107cdjoachimschmidt557 committed on 2/13/2022, 10:24:26 PM· committed by Jakub Konkaparent5f50980