[PATCH] D141018: llvm-reduce: Don't delete instructions in global variable reduction

[Matt Arsenault via Phabricator via llvm-commits]

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For some reason the global variable reduction was trying to delete
use instructions. This broke the verifier if the user was a terminator,
since the block now no longer has one. It doesn't make sense for this
reduction to delete the users, so just stop doing that.


https://reviews.llvm.org/D141018

Files:
  llvm/test/tools/llvm-reduce/reduce-global-variable-terminator-user.ll
  llvm/test/tools/llvm-reduce/remove-global-vars.ll
  llvm/tools/llvm-reduce/deltas/ReduceGlobalVars.cpp

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