[MLIR][NFC] Update MLIR vim syntax file - std ops + types

[bondhugula]

Summary

NFC. Update vim syntax file to include more std ops, and for int types.

mlir/utils/vim/syntax/mlir.vim

 " 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.
+" Signless integer types.
 syn match mlirType /\<i\d\+\>/
+" Unsigned integer types.
+syn match mlirType /\<ui\d\+\>/
+" Signed integer types.
+syn match mlirType /\<si\d\+\>/
 
 " Elemental types inside memref, tensor, or vector types.
-syn match mlirType /x\s*\zs\(f16\|f32\|f64\|i\d\+\)/
+syn match mlirType /x\s*\zs\(f16\|f32\|f64\|i\d\+\|ui\d\+\|si\d\+\)/
 
 " 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
+" Standard dialect ops.
+" TODO: this list is not exhaustive.
+syn keyword mlirOps alloc alloca addf addi and call call_indirect cmpf cmpi
+syn keyword mlirOps constant dealloc divf dma_start dma_wait dim exp
+syn keyword mlirOps extract_element getTensor index_cast load log memref_cast
+syn keyword mlirOps memref_shape_cast mulf muli negf powf prefetch rsqrt sitofp
+syn keyword mlirOps splat store select sqrt subf subi subview tanh tensor_cast
+syn keyword mlirOps 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\.parallel\>/
 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.