[PATCH] D124776: [SPIR-V] Allow setting SPIR-V version via target triple

[Anastasia Stulova via Phabricator via llvm-commits]

Anastasia created this revision.
Herald added subscribers: dexonsmith, ThomasRaoux, ebevhan, hiraditya.
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As per RFC: https://discourse.llvm.org/t/setting-version-environment-and-extensions-for-spir-v-target/62018 this patch adds ability to set version of SPIR-V using `sub-arch` field in the target triple.

Currently available versions are from v1.0 to v1.4, however other versions can be added in the future.


https://reviews.llvm.org/D124776

Files:
  llvm/docs/SPIRVUsage.rst
  llvm/docs/UserGuides.rst
  llvm/include/llvm/ADT/Triple.h
  llvm/lib/Support/Triple.cpp
  llvm/unittests/ADT/TripleTest.cpp

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