[vim] Highlight most common MIR syntax not in LLVM IR

2021-02-17T07:39:03+00:00

This adds highlighting for MIR instruction opcodes, physical registers,
and MIR types.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D95553

[vim] Add initial syntax definition for .mir files

2021-02-17T07:38:16+00:00

This initial definition handles the yaml container and the embedding of
the inner IRs. As a stopgap, this reuses the LLVM IR syntax highlighting
for the MIR function bodies--even though it's not technically correct,
it produces decent highlighting for a first pass.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D95552

llvm-project.git/llvm/utils/vim/syntax/machine-ir.vim, branch users/nico/python-2

[vim] Highlight most common MIR syntax not in LLVM IR

[vim] Add initial syntax definition for .mir files