--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/emacs/llvm-mode.el	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,141 @@
+;; Maintainer:  The LLVM team, http://llvm.org/
+;; Description: Major mode for the LLVM assembler language.
+;; Updated:     2007-09-19
+
+;; Create mode-specific tables.
+(defvar llvm-mode-syntax-table nil
+  "Syntax table used while in LLVM mode.")
+(defvar llvm-font-lock-keywords
+  (list
+   ;; Comments
+   '(";.*" . font-lock-comment-face)
+   ;; Variables
+   '("%[-a-zA-Z$\._][-a-zA-Z$\._0-9]*" . font-lock-variable-name-face)
+   ;; Labels
+   '("[-a-zA-Z$\._0-9]+:" . font-lock-variable-name-face)
+   ;; Strings
+   '("\"[^\"]+\"" . font-lock-string-face)
+   ;; Unnamed variable slots
+   '("%[-]?[0-9]+" . font-lock-variable-name-face)
+   ;; Types
+   `(,(regexp-opt '("void" "i[0-9]+" "float" "double" "type" "label" "opaque") 'words) . font-lock-type-face)
+   ;; Integer literals
+   '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face)
+   ;; Floating point constants
+   '("\\b[-+]?[0-9]+\.[0-9]*\([eE][-+]?[0-9]+\)?\\b" . font-lock-preprocessor-face)
+   ;; Hex constants
+   '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
+   ;; Keywords
+   `(,(regexp-opt '("begin" "end" "true" "false" "zeroinitializer" "declare"
+                    "define" "global" "constant" "const" "internal" "linkonce" "linkonce_odr"
+                    "weak" "weak_odr" "appending" "uninitialized" "implementation" "..."
+                    "null" "undef" "to" "except" "not" "target" "endian" "little" "big"
+                    "pointersize" "volatile" "fastcc" "coldcc" "cc") 'words) . font-lock-keyword-face)
+   ;; Arithmetic and Logical Operators
+   `(,(regexp-opt '("add" "sub" "mul" "sdiv" "udiv" "urem" "srem" "and" "or" "xor"
+                    "setne" "seteq" "setlt" "setgt" "setle" "setge") 'words) . font-lock-keyword-face)
+   ;; Floating-point operators
+   `(,(regexp-opt '("fadd" "fsub" "fmul" "fdiv" "frem") 'words) . font-lock-keyword-face)
+   ;; Special instructions
+   `(,(regexp-opt '("phi" "tail" "call" "select" "to" "shl" "lshr" "ashr" "fcmp" "icmp" "va_arg" "landingpad") 'words) . font-lock-keyword-face)
+   ;; Control instructions
+   `(,(regexp-opt '("ret" "br" "switch" "invoke" "resume" "unwind" "unreachable" "indirectbr") 'words) . font-lock-keyword-face)
+   ;; Memory operators
+   `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr" "fence" "cmpxchg" "atomicrmw") 'words) . font-lock-keyword-face)
+   ;; Casts
+   `(,(regexp-opt '("bitcast" "inttoptr" "ptrtoint" "trunc" "zext" "sext" "fptrunc" "fpext" "fptoui" "fptosi" "uitofp" "sitofp" "addrspacecast") 'words) . font-lock-keyword-face)
+   ;; Vector ops
+   `(,(regexp-opt '("extractelement" "insertelement" "shufflevector") 'words) . font-lock-keyword-face)
+   ;; Aggregate ops
+   `(,(regexp-opt '("extractvalue" "insertvalue") 'words) . font-lock-keyword-face)
+
+   )
+  "Syntax highlighting for LLVM"
+  )
+
+;; ---------------------- Syntax table ---------------------------
+;; Shamelessly ripped from jasmin.el
+;; URL: http://www.neilvandyke.org/jasmin-emacs/jasmin.el.html
+
+(if (not llvm-mode-syntax-table)
+    (progn
+      (setq llvm-mode-syntax-table (make-syntax-table))
+      (mapcar (function (lambda (n)
+                          (modify-syntax-entry (aref n 0)
+                                               (aref n 1)
+                                               llvm-mode-syntax-table)))
+              '(
+                ;; whitespace (` ')
+                [?\^m " "]
+                [?\f  " "]
+                [?\n  " "]
+                [?\t  " "]
+                [?\   " "]
+                ;; word constituents (`w')
+                ;;[?<  "w"]
+                ;;[?>  "w"]
+                [?\%  "w"]
+                ;;[?_  "w  "]
+                ;; comments
+                [?\;  "< "]
+                [?\n  "> "]
+                ;;[?\r  "> "]
+                ;;[?\^m "> "]
+                ;; symbol constituents (`_')
+                ;; punctuation (`.')
+                ;; open paren (`(')
+                [?\( "("]
+                [?\[ "("]
+                [?\{ "("]
+                ;; close paren (`)')
+                [?\) ")"]
+                [?\] ")"]
+                [?\} ")"]
+                ;; string quote ('"')
+                [?\" "\""]
+                ))))
+
+;; --------------------- Abbrev table -----------------------------
+
+(defvar llvm-mode-abbrev-table nil
+  "Abbrev table used while in LLVM mode.")
+(define-abbrev-table 'llvm-mode-abbrev-table ())
+
+(defvar llvm-mode-hook nil)
+(defvar llvm-mode-map nil)   ; Create a mode-specific keymap.
+
+(if (not llvm-mode-map)
+    ()  ; Do not change the keymap if it is already set up.
+  (setq llvm-mode-map (make-sparse-keymap))
+  (define-key llvm-mode-map "\t" 'tab-to-tab-stop)
+  (define-key llvm-mode-map "\es" 'center-line)
+  (define-key llvm-mode-map "\eS" 'center-paragraph))
+
+
+(defun llvm-mode ()
+  "Major mode for editing LLVM source files.
+  \\{llvm-mode-map}
+  Runs llvm-mode-hook on startup."
+  (interactive)
+  (kill-all-local-variables)
+  (use-local-map llvm-mode-map)         ; Provides the local keymap.
+  (setq major-mode 'llvm-mode)
+
+  (make-local-variable 'font-lock-defaults)
+  (setq major-mode 'llvm-mode           ; This is how describe-mode
+                                        ;   finds the doc string to print.
+  mode-name "LLVM"                      ; This name goes into the modeline.
+  font-lock-defaults `(llvm-font-lock-keywords))
+
+  (setq local-abbrev-table llvm-mode-abbrev-table)
+  (set-syntax-table llvm-mode-syntax-table)
+  (setq comment-start ";")
+  (run-hooks 'llvm-mode-hook))          ; Finally, this permits the user to
+                                        ;   customize the mode with a hook.
+
+;; Associate .ll files with llvm-mode
+(setq auto-mode-alist
+   (append '(("\\.ll$" . llvm-mode)) auto-mode-alist))
+
+(provide 'llvm-mode)
+;; end of llvm-mode.el