[all-commits] [llvm/llvm-project] a6e9f5: [Scheduling] Improve group algorithm for store clu...

QingShan Zhang via All-commits all-commits at lists.llvm.org
Sun Jul 26 19:05:48 PDT 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a6e9f5264c855dfa5dda3c5940ffdaaf22d7e693
      https://github.com/llvm/llvm-project/commit/a6e9f5264c855dfa5dda3c5940ffdaaf22d7e693
  Author: QingShan Zhang <qshanz at cn.ibm.com>
  Date:   2020-07-27 (Mon, 27 Jul 2020)

  Changed paths:
    M llvm/lib/CodeGen/MachineScheduler.cpp
    M llvm/test/CodeGen/AArch64/aarch64-stp-cluster.ll

  Log Message:
  -----------
  [Scheduling] Improve group algorithm for store cluster

Store Addr and Store Addr+8 are clusterable pair. They have memory(ctrl) dependency on different loads.
Current implementation will put these two stores into different group and miss to cluster them.

Reviewed By: evandro

Differential Revision: https://reviews.llvm.org/D84139




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