v1.28.2
ldexp-float16 func-test: reduce input range to avoid float16 overflow
Replace trunc i8 to i1 with icmp ne i8, 0 for proper bool conversion.
Add lit tests checking jit functionality
tests: remove LLVM 17
ci: run tests with vectorcall
Move test_static* to tests folder
Don't require dummy first argument for ISPCEngine API