[PATCH] D31117: Enable stripping of multiple DILocation on !llvm.loop metadata

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson created this revision.

I found that stripDebugInfo was still leaving significant amounts of
debug info due to !llvm.loop that contained DILocation after stripping.
The support for stripping debug info on !llvm.loop added in r293377 only
removes a single DILocation. Enhance that to remove all DILocation from
!llvm.loop.


https://reviews.llvm.org/D31117

Files:
  lib/IR/DebugInfo.cpp
  test/DebugInfo/strip-loop-metadata.ll

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