[PATCH] D128287: [GlobalMerge] Ensure that the MustKeepGlobalVariables has all globals from each landingpad clause.

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
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The filter clause in the landingpad may not have a GlobalVariable operand.
It may instead have a ConstantArray of operands and each operand within this
ConstantArray should also be checked to see if it is a GlobalVariable.

This patch add the check for the ConstantArray as well as a debug message that
outputs the contents of MustKeepGlobalVariables.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128287

Files:
  llvm/lib/CodeGen/GlobalMerge.cpp
  llvm/test/Transforms/GlobalMerge/eh-filter.ll

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