[PATCH] D29504: Merge DebugLoc on combined stores

[Paul Robinson via Phabricator via llvm-commits]

probinson created this revision.

When combining stores at the ends of two blocks, merge the debug location
instead of arbitrarily picking one.


https://reviews.llvm.org/D29504

Files:
  lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
  test/DebugInfo/Generic/store-tail-merge.ll
  test/Transforms/SampleProfile/calls.ll

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