[all-commits] [llvm/llvm-project] 80e6af: [PowerPC] common chains to reuse offsets to reduce...
Chen Zheng via All-commits
all-commits at lists.llvm.org
Sun Oct 24 21:22:43 PDT 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 80e6aff6bbad9a5959f8491b616438cc8792f32a
https://github.com/llvm/llvm-project/commit/80e6aff6bbad9a5959f8491b616438cc8792f32a
Author: Chen Zheng <czhengsz at cn.ibm.com>
Date: 2021-10-25 (Mon, 25 Oct 2021)
Changed paths:
M llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
M llvm/test/CodeGen/PowerPC/common-chain.ll
Log Message:
-----------
[PowerPC] common chains to reuse offsets to reduce register pressure.
Add a new preparation pattern in PPCLoopInstFormPrep pass to reduce register
pressure.
Reviewed By: jsji
Differential Revision: https://reviews.llvm.org/D108750
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