[all-commits] [llvm/llvm-project] db04be: [SDAG] Do not convert undef to 0 when folding CONC...

[Krzysztof Parzyszek via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: db04bec5f1eeb581ee1470e5f444cc7b918c6d93
      https://github.com/llvm/llvm-project/commit/db04bec5f1eeb581ee1470e5f444cc7b918c6d93
  Author: Krzysztof Parzyszek <kparzysz at quicinc.com>
  Date:   2020-09-29 (Tue, 29 Sep 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    A llvm/test/CodeGen/Hexagon/autohvx/isel-undef-not-zero.ll
    M llvm/test/CodeGen/X86/vec-strict-cmp-sub128.ll

  Log Message:
  -----------
  [SDAG] Do not convert undef to 0 when folding CONCAT/BUILD_VECTOR

Differential Revision: https://reviews.llvm.org/D88273