[all-commits] [llvm/llvm-project] 1253e5: [RemoveDIs] Use iterators for moving PHIs in loop-...

[Jeremy Morse via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1253e535bd421b955cce1c67ed4304f2ae9bcdfd
      https://github.com/llvm/llvm-project/commit/1253e535bd421b955cce1c67ed4304f2ae9bcdfd
  Author: Jeremy Morse <jeremy.morse at sony.com>
  Date:   2024-02-26 (Mon, 26 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp

  Log Message:
  -----------
  [RemoveDIs] Use iterators for moving PHIs in loop-unroll-and-jam (#83003)

With no debug intrinsics, correctly identifying the start of a block
with iterators becomes important. We need to use the iterator-returning
methods here in loop-unroll-and-jam where we're shifting PHIs around.
Otherwise they can be inserted after debug-info records, leading to
debug-info attached to PHIs, which is ill formed.

Fixes #83000



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