[all-commits] [llvm/llvm-project] 9dc9e0: [X86] Optimization of inserting vxi1 sub vector in...

[Pengfei Wang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 9dc9e0ea64f507488b5ca9cd656311db94433201
      https://github.com/llvm/llvm-project/commit/9dc9e0ea64f507488b5ca9cd656311db94433201
  Author: Wang, Pengfei <pengfei.wang at intel.com>
  Date:   2020-01-03 (Fri, 03 Jan 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/avx512-calling-conv.ll
    M llvm/test/CodeGen/X86/avx512-ext.ll
    M llvm/test/CodeGen/X86/avx512-insert-extract.ll
    M llvm/test/CodeGen/X86/avx512-mask-op.ll
    M llvm/test/CodeGen/X86/masked_store.ll
    M llvm/test/CodeGen/X86/min-legal-vector-width.ll
    M llvm/test/CodeGen/X86/vec_smulo.ll
    M llvm/test/CodeGen/X86/vec_umulo.ll

  Log Message:
  -----------
  [X86] Optimization of inserting vxi1 sub vector into vXi1 vector

Summary:
After bugfix the undef value case here, we used more operations to implement inserting vxi1 sub vector into vXi1 vector, I optimize it by use less operations.

The history information at https://reviews.llvm.org/D68311

Reviewers: craig.topper, LuoYuanke, yubing, annita.zhang, pengfei, LiuChen3, RKSimon

Reviewed By: craig.topper

Subscribers: hiraditya, llvm-commits

Patch by Xiang Zhang (xiangzhangllvm)

Differential Revision: https://reviews.llvm.org/D71917