llvm

47a9cd03 - [AMDGPU] Remove constexpr from getNumUserSGPRForField/getMaxNumPreloadedSGPRs to appease older gcc builds

[AMDGPU] Remove constexpr from getNumUserSGPRForField/getMaxNumPreloadedSGPRs to appease older gcc builds Older versions of gcc wouldn't accept the constexpr getNumUserSGPRForField (introduced in D159439 / 343be5132e2831d85) as it couldn't treat the llvm_unreachable call as constexpr