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+" LLVM coding guidelines conformance for VIM
+"
+" Maintainer: The LLVM Team, http://llvm.org
+" WARNING:    Read before you source in all these commands and macros!  Some
+"             of them may change VIM behavior that you depend on.
+"
+" You can run VIM with these settings without changing your current setup with:
+" $ vim -u /path/to/llvm/utils/vim/vimrc
+
+" It's VIM, not VI
+set nocompatible
+
+" Wrap text at 80 cols
+set textwidth=80
+
+" A tab produces a 2-space indentation
+set softtabstop=2
+set shiftwidth=2
+set expandtab
+
+" Highlight trailing whitespace
+highlight WhitespaceEOL ctermbg=DarkYellow guibg=DarkYellow
+match WhitespaceEOL /\s\+$/
+
+" Enable filetype detection
+filetype on
+
+" Optional
+" C/C++ programming helpers
+augroup csrc
+  au!
+  autocmd FileType *      set nocindent smartindent
+  autocmd FileType c,cpp  set cindent
+augroup END
+" Set a few indentation parameters. See the VIM help for cinoptions-values for
+" details.  These aren't absolute rules; they're just an approximation of
+" common style in LLVM source.
+set cinoptions=:0,g0,(0,Ws
+" Add and delete spaces in increments of `shiftwidth' for tabs
+set smarttab
+
+" Highlight syntax in programming languages
+syntax on
+
+" LLVM Makefiles can have names such as Makefile.rules or TEST.nightly.Makefile,
+" so it's important to categorize them as such.
+augroup filetype
+  au! BufRead,BufNewFile *Makefile* set filetype=make
+augroup END
+
+" In Makefiles, don't expand tabs to spaces, since we need the actual tabs
+autocmd FileType make set noexpandtab
+
+" Useful macros for cleaning up code to conform to LLVM coding guidelines
+
+" Delete trailing whitespace and tabs at the end of each line
+command! DeleteTrailingWs :%s/\s\+$//
+
+" Convert all tab characters to two spaces
+command! Untab :%s/\t/  /g
+
+" Enable syntax highlighting for LLVM files. To use, copy
+" utils/vim/llvm.vim to ~/.vim/syntax .
+augroup filetype
+  au! BufRead,BufNewFile *.ll     set filetype=llvm
+augroup END
+
+" Enable syntax highlighting for tablegen files. To use, copy
+" utils/vim/tablegen.vim to ~/.vim/syntax .
+augroup filetype
+  au! BufRead,BufNewFile *.td     set filetype=tablegen
+augroup END