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* [opt] Introduce -strip-named-metadataVedant Kumar2018-06-051-2/+2
| | | | | | | This renames and generalizes -strip-module-flags to erase all named metadata from a module. This makes it easier to diff IR. llvm-svn: 333977
* [Debugify] Preserve analyses in -check-debugifyVedant Kumar2018-06-041-0/+12
The -check-debugify pass should preserve all analyses. Otherwise, it may invalidate an optional analysis and inadvertently alter codegen. The test case is reduced from deopt-bundle.ll. The result of `opt -O1` on this file would differ when -debugify-each was toggled. That happened because CheckDebugify failed to preserve GlobalsAA. Thanks to Davide Italiano for his help chasing this down! llvm-svn: 333959
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