[PATCH] D39986: WIP: [LSR] Expand: Use the replaced value's debug loc (PR25630)

[Vedant Kumar via Phabricator via llvm-commits]

vsk created this revision.

Fix PR25630 by setting the debug location of code generated in
LSRInstance::Expand() to the location attached to the replaced value.

TODO: I still need a test case for the change in GenerateIVChain.

Depends on https://reviews.llvm.org/D39985


https://reviews.llvm.org/D39986

Files:
  lib/Transforms/Scalar/LoopStrengthReduce.cpp
  test/Transforms/LoopStrengthReduce/pr25630.ll

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