[PATCH] D18477: Drop debug info for DISubprograms that are not referenced by anything

[Adrian Prantl via llvm-commits]

aprantl removed rL LLVM as the repository for this revision.
aprantl updated this revision to Diff 51671.
aprantl added a comment.

- delete the now dead collectDeadVariables().
- drop a redundant != 0.


http://reviews.llvm.org/D18477

Files:
  lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
  lib/CodeGen/AsmPrinter/DwarfDebug.cpp
  test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll
  test/DebugInfo/Generic/nodebug.ll
  test/DebugInfo/X86/debug-dead-local-var.ll

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