[PATCH] D81437: [CGP] Reset the debug location when promoting zext(s)

[Davide Italiano via Phabricator via llvm-commits]

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  commit 1cbaf847ab84f37d9044d867b5ed8ae646c6ebc9 (HEAD -> master, origin/master, origin/HEAD)
  Author: Davide Italiano <ditaliano at apple.com>
  Date:   Wed Jun 17 10:29:47 2020 -0700
  
      [CGP] Reset the debug location when promoting zext(s).
      
      When the zext gets promoted, it used to retain the original location,
      which pessimizes the debugging experience causing an unexpected
      jump in stepping at -Og.
      
      Fixes https://bugs.llvm.org/show_bug.cgi?id=46120 (which also
      contains a full C repro).
      
      Differential Revision:  https://reviews.llvm.org/D81437


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https://reviews.llvm.org/D81437