llvm

2e6ac847 - Add round-trip tests through SPIR-V backend for previously failing tests (#3669)

Add round-trip tests through SPIR-V backend for previously failing tests (#3669) Enable tests that pass on the latest LLVM revision Original commit: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/commit/508c2aeb96aab8f