Open
Description
Is your feature request related to a problem? Please describe
The Clang TargetInfo used for SYCL seems to contain a good deal of duplication for SPIR, SPIRV targets. In order to upstream this part of the codebase some refactoring is needed. As @Naghasan mentions
E.g. AMD has one TargetInfo and NV has 2 (for the 32 and 64 variants) and that enough to support all host...
For more context see #18859
Describe the solution you would like
Refactor and upstream SPIR, SPIRV target info.