[PATCH] D42989: [X86] When doing callee save/restore for k-registers make sure we don't use KMOVQ on non-BWI targets

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Does the intel_ocl_bicc calling convention vary depending on whether the CPU has BWI?  If it does, we need more tests, to show code generation works correctly when BWI is enabled.


https://reviews.llvm.org/D42989