[all-commits] [llvm/llvm-project] f6b2c0: [DebugInfo] Ensure that a demanded bits optimisat...

[chrisjbris via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f6b2c003f360c3d0dcfe13d751805643f229f79b
      https://github.com/llvm/llvm-project/commit/f6b2c003f360c3d0dcfe13d751805643f229f79b
  Author: Chris Jackson <chris.jackson at sony.com>
  Date:   2020-03-30 (Mon, 30 Mar 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
    A llvm/test/DebugInfo/X86/instcombine-demanded-bits-salvage.ll

  Log Message:
  -----------
  [DebugInfo]  Ensure that a demanded bits optimisation in
InstCombine does not result in an incorrect debuginfo variable
value

- Add an additional salvage and a test.

Reviewers: aprantl, djtodoro

Differential Revision: https://reviews.llvm.org/D76854

Bugzilla:  https://bugs.llvm.org/show_bug.cgi?id=44371