llvm

8142c541 - Addition of OpSwitchBranches.ll, OpSwitchUnreachable.ll, Two_OpSwitch_same_register.ll and switch-range-check.ll (#3292)

Addition of OpSwitchBranches.ll, OpSwitchUnreachable.ll, Two_OpSwitch_same_register.ll and switch-range-check.ll (#3292) --Test ported from branching subdirectory of llvm-project Original commit: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/commit/8e03680862f908c