Update

syntax/mlir.vim

@@ -0,0 +1,122 @@
+if polyglot#init#is_disabled(expand('<sfile>:p'), 'llvm', 'syntax/mlir.vim')
+  finish
+endif
+
+" Vim syntax file
+" Language:   mlir
+" Maintainer: The MLIR team, http://github.com/tensorflow/mlir/
+" Version:      $Revision$
+" Some parts adapted from the LLVM vim syntax file.
+
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+syn case match
+
+" Types.
+syn keyword mlirType index f16 f32 f64
+" Integer type.
+syn match mlirType /\<i\d\+\>/
+
+" Elemental types inside memref, tensor, or vector types.
+syn match mlirType /x\s*\zs\(f16\|f32\|f64\|i\d\+\)/
+
+" Shaped types.
+syn match mlirType /\<memref\ze\s*<.*>/
+syn match mlirType /\<tensor\ze\s*<.*>/
+syn match mlirType /\<vector\ze\s*<.*>/
+
+" vector types inside memref or tensor.
+syn match mlirType /x\s*\zsvector/
+
+" Operations.
+" Core ops (not exhaustive yet).
+" TODO: the list is not exhaustive.
+syn keyword mlirOps alloc alloca addf addi call call_indirect cmpf cmpi constant
+syn keyword mlirOps dealloc divf dma_start dma_wait dim extract_element
+syn keyword mlirOps getTensor index_cast load memref_cast memref_shape_cast
+syn keyword mlirOps mulf muli negf prefetch sitofp splat store select subf subi
+syn keyword mlirOps subview tensor_cast view
+
+" Affine ops.
+syn match mlirOps /\<affine\.apply\>/
+syn match mlirOps /\<affine\.dma_start\>/
+syn match mlirOps /\<affine\.dma_wait\>/
+syn match mlirOps /\<affine\.for\>/
+syn match mlirOps /\<affine\.if\>/
+syn match mlirOps /\<affine\.load\>/
+syn match mlirOps /\<affine\.prefetch\>/
+syn match mlirOps /\<affine\.store\>/
+syn match mlirOps /\<loop\.for\>/
+syn match mlirOps /\<loop\.if\>/
+
+" TODO: dialect name prefixed ops (llvm or std).
+
+" Keywords.
+syn keyword mlirKeyword
+      \ affine_map
+      \ affine_set
+      \ dense
+      \ else
+      \ func
+      \ module
+      \ return
+      \ step
+      \ to
+
+" Misc syntax.
+
+syn match   mlirNumber /-\?\<\d\+\>/
+" Match numbers even in shaped types.
+syn match   mlirNumber /-\?\<\d\+\ze\s*x/
+syn match   mlirNumber /x\s*\zs-\?\d\+\ze\s*x/
+
+syn match   mlirFloat  /-\?\<\d\+\.\d*\(e[+-]\d\+\)\?\>/
+syn match   mlirFloat  /\<0x\x\+\>/
+syn keyword mlirBoolean true false
+syn match   mlirComment /\/\/.*$/
+syn region  mlirString start=/"/ skip=/\\"/ end=/"/
+syn match   mlirLabel /[-a-zA-Z$._][-a-zA-Z$._0-9]*:/
+syn match   mlirIdentifier /[%@][a-zA-Z$._-][a-zA-Z0-9$._-]*/
+syn match   mlirIdentifier /[%@!]\d\+\>/
+syn match mlirMapSetOutline "#.*$"
+
+" Syntax-highlight lit test commands and bug numbers.
+syn match  mlirSpecialComment /\/\/\s*RUN:.*$/
+syn match  mlirSpecialComment /\/\/\s*CHECK:.*$/
+syn match  mlirSpecialComment "\v\/\/\s*CHECK-(NEXT|NOT|DAG|SAME|LABEL):.*$"
+syn match  mlirSpecialComment /\/\/\s*expected-error.*$/
+syn match  mlirSpecialComment /\/\/\s*expected-remark.*$/
+syn match  mlirSpecialComment /;\s*XFAIL:.*$/
+syn match  mlirSpecialComment /\/\/\s*PR\d*\s*$/
+syn match  mlirSpecialComment /\/\/\s*REQUIRES:.*$/
+
+if version >= 508 || !exists("did_c_syn_inits")
+  if version < 508
+    let did_c_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink mlirType Type
+  HiLink mlirOps Statement
+  HiLink mlirMapSetOutline PreProc
+  HiLink mlirNumber Number
+  HiLink mlirComment Comment
+  HiLink mlirString String
+  HiLink mlirLabel Label
+  HiLink mlirKeyword Keyword
+  HiLink mlirBoolean Boolean
+  HiLink mlirFloat Float
+  HiLink mlirConstant Constant
+  HiLink mlirSpecialComment SpecialComment
+  HiLink mlirIdentifier Identifier
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "mlir"