update LLVM in SkVM

The code was original target for LLVM 10. I have updated it
to use LLVM 14. This does not fully complete the LLVM code because
there are still missing ops: array32, from_fp16, to_fp16,
load64, store64, load128, store128.

args.gn:
extra_cflags = [
    "-DSKVM_LLVM",
    "-isystem",
    "../llvm-project/include",
]

extra_ldflags = [
    "-L../llvm-project/lib",
    "-lLLVM",
]

Running:
env DYLD_LIBRARY_PATH=/Users/herb/bin/llvm/lib ./out/SkVM-LLVM/dm

Change-Id: I79e3d3d62b29ed8bdad22890d4db5bc160ba4bf6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/460316
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2 files changed