HomePhabricator

[PowerPC] Remove unnecessary XSRSP instruction

Authored by qiucf on Apr 2 2020, 8:05 PM.

Description

[PowerPC] Remove unnecessary XSRSP instruction

MI peephole will remove unnecessary FRSP instructions. This patch
removes such unnecessary XSRSP.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D77208

Details