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Duncan P. N. Exon Smith
82e3e48d52
Successive versions of LLVM should retain the ability to parse bitcode generated by old releases of the compiler. This adds a bitcode format compatibility test, which is intended to provide good (albeit not entirely exhaustive) coverage of the current LangRef. This also includes compatibility tests for LLVM 3.6. After every 3.X.0 release, the compatibility.ll file from the 3.X branch should be copied to compatibility-3.X.ll on trunk, and the 3.X.0 release used to generate a corresponding bitcode file. Patch by Vedant Kumar! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243779 91177308-0d34-0410-b5e6-96231b3b80d8
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