Ahsan Saghir 31ef15e044 Teach peephole optimizer to not emit sub-register defs ...

Peephole optimizer should not be introducing sub-reg definitions
as they are illegal in machine SSA phase. This patch modifies
the optimizer to not emit sub-register definitions.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D103408

2021-06-28 09:24:07 -05:00

78 KiB

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