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Author SHA1 Message Date
Jay Foad
7ea33e6848
[CodeGen] Remove unused first operand of SUBREG_TO_REG (#179690) 
The first input operand of SUBREG_TO_REG was an immediate that most
targets set to 0. In practice it had no effect on codegen. Remove it.
 2026-02-04 17:35:21 +00:00
Qiu Chaofan
71f1ab5354 [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
 2020-04-03 11:05:14 +08:00
Qiu Chaofan
d8b51789fd [NFC] [PowerPC] Add test for frsp elimination 2020-04-01 17:54:24 +08:00