[all-commits] [llvm/llvm-project] 0ba859: [DebugInfo][LoopStrengthReduction] SCEV-based salv...

[chrisjbris via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0ba8595287ea2203ef2250e2b0b41f284a055518
      https://github.com/llvm/llvm-project/commit/0ba8595287ea2203ef2250e2b0b41f284a055518
  Author: Chris Jackson <chris.jackson at sony.com>
  Date:   2021-07-28 (Wed, 28 Jul 2021)

  Changed paths:
    M llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    M llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
    M llvm/test/Transforms/LoopStrengthReduce/dbg-preserve-0.ll
    M llvm/test/Transforms/LoopStrengthReduce/dbg-preserve-2.ll
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-0.ll
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-1.ll
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-2.ll
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-3.ll
    A llvm/test/Transforms/LoopStrengthReduce/debuginfo-scev-salvage-4.ll

  Log Message:
  -----------
  [DebugInfo][LoopStrengthReduction] SCEV-based salvaging for LSR

Reapply commit d675b594f4f1e1f6a195fb9a4fd02cf3de92292d that was
reverted due to buildbot failures. A simple fix has been applied to
remove an assertion.

Differential Revision: https://reviews.llvm.org/D105207