[all-commits] [llvm/llvm-project] 8f5503: [Debuginfo][LSR] Add salvaging variadic dbg.value ...

[chrisjbris via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8f550368b169b0a3d4ebc3e65efec49ec1e0798a
      https://github.com/llvm/llvm-project/commit/8f550368b169b0a3d4ebc3e65efec49ec1e0798a
  Author: Chris Jackson <chrisj at graphcore.ai>
  Date:   2022-04-27 (Wed, 27 Apr 2022)

  Changed paths:
    M llvm/include/llvm/Analysis/ScalarEvolution.h
    M llvm/lib/Analysis/ScalarEvolution.cpp
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-5.ll

  Log Message:
  -----------
  [Debuginfo][LSR] Add salvaging variadic dbg.value intrinsics [2/2]

Second of two patches to extend SCEV-based salvaging to dbg.value
intrinsics that have multiple location ops pre-LSR. This second patch
adds the core implementation.

Reviewers: @StephenTozer, @djtodoro

Differential Revision: https://reviews.llvm.org/D120169