1;;; llvm-mode.el --- Major mode for the LLVM assembler language.
2
3;; Maintainer:  The LLVM team, http://llvm.org/
4;; Version: 1.0
5
6;;; Commentary:
7
8;; Major mode for editing LLVM IR files.
9
10;;; Code:
11
12(defvar llvm-mode-syntax-table
13  (let ((table (make-syntax-table)))
14    (modify-syntax-entry ?% "_" table)
15    (modify-syntax-entry ?. "_" table)
16    (modify-syntax-entry ?\; "< " table)
17    (modify-syntax-entry ?\n "> " table)
18    table)
19  "Syntax table used while in LLVM mode.")
20
21(defvar llvm-font-lock-keywords
22  (list
23   ;; Attributes
24   `(,(regexp-opt
25       '("alwaysinline" "argmemonly" "allocsize" "builtin" "cold" "convergent" "dereferenceable" "dereferenceable_or_null" "hot" "inaccessiblememonly"
26         "inaccessiblemem_or_argmemonly" "inalloca" "inlinehint" "jumptable" "minsize" "mustprogress" "naked" "nobuiltin" "nonnull"
27         "nocallback" "nocf_check" "noduplicate" "nofree" "noimplicitfloat" "noinline" "nomerge" "nonlazybind" "noprofile" "noredzone" "noreturn"
28         "norecurse" "nosync" "noundef" "nounwind" "nosanitize_bounds" "nosanitize_coverage" "null_pointer_is_valid" "optforfuzzing" "optnone" "optsize" "preallocated" "readnone" "readonly" "returned" "returns_twice"
29         "shadowcallstack" "speculatable" "speculative_load_hardening" "ssp" "sspreq" "sspstrong" "safestack" "sanitize_address" "sanitize_hwaddress" "sanitize_memtag"
30         "sanitize_thread" "sanitize_memory" "strictfp" "swifterror" "uwtable" "vscale_range" "willreturn" "writeonly" "immarg") 'symbols) . font-lock-constant-face)
31   ;; Variables
32   '("%[-a-zA-Z$._][-a-zA-Z$._0-9]*" . font-lock-variable-name-face)
33   ;; Labels
34   '("[-a-zA-Z$._0-9]+:" . font-lock-variable-name-face)
35   ;; Unnamed variable slots
36   '("%[-]?[0-9]+" . font-lock-variable-name-face)
37   ;; Types
38   `(,(regexp-opt
39       '("void" "i1" "i8" "i16" "i32" "i64" "i128" "half" "bfloat" "float" "double" "fp128" "x86_fp80" "ppc_fp128" "x86_mmx" "x86_amx"
40         "type" "label" "opaque" "token") 'symbols) . font-lock-type-face)
41   ;; Integer literals
42   '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face)
43   ;; Floating point constants
44   '("\\b[-+]?[0-9]+.[0-9]*\\([eE][-+]?[0-9]+\\)?\\b" . font-lock-preprocessor-face)
45   ;; Hex constants
46   '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
47   ;; Keywords
48   `(,(regexp-opt
49       '(;; Toplevel entities
50         "declare" "define" "module" "target" "source_filename" "global" "constant" "const" "alias" "ifunc" "comdat"
51         "attributes" "uselistorder" "uselistorder_bb"
52         ;; Linkage types
53         "private" "internal" "weak" "weak_odr" "linkonce" "linkonce_odr" "available_externally" "appending" "common" "extern_weak" "external"
54         "uninitialized" "implementation" "..."
55         ;; Values
56         "true" "false" "null" "undef" "zeroinitializer" "none" "c" "asm" "blockaddress" "poison"
57
58         ;; Calling conventions
59         "ccc" "fastcc" "coldcc" "webkit_jscc" "anyregcc" "preserve_mostcc" "preserve_allcc"
60         "cxx_fast_tlscc" "swiftcc" "tailcc" "swifttailcc" "cfguard_checkcc"
61         ;; Visibility styles
62         "default" "hidden" "protected"
63         ;; DLL storages
64         "dllimport" "dllexport"
65         ;; Thread local
66         "thread_local" "localdynamic" "initialexec" "localexec"
67         ;; Runtime preemption specifiers
68         "dso_preemptable" "dso_local" "dso_local_equivalent"
69
70         "gc" "atomic" "no_cfi" "volatile" "personality" "prologue" "section") 'symbols) . font-lock-keyword-face)
71   ;; Arithmetic and Logical Operators
72   `(,(regexp-opt '("add" "sub" "mul" "sdiv" "udiv" "urem" "srem" "and" "or" "xor"
73                    "setne" "seteq" "setlt" "setgt" "setle" "setge") 'symbols) . font-lock-keyword-face)
74   ;; Floating-point operators
75   `(,(regexp-opt '("fadd" "fsub" "fneg" "fmul" "fdiv" "frem") 'symbols) . font-lock-keyword-face)
76   ;; Special instructions
77   `(,(regexp-opt '("phi" "tail" "call" "select" "to" "shl" "lshr" "ashr" "fcmp" "icmp" "va_arg" "landingpad" "freeze") 'symbols) . font-lock-keyword-face)
78   ;; Control instructions
79   `(,(regexp-opt '("ret" "br" "switch" "invoke" "resume" "unwind" "unreachable" "indirectbr" "callbr") 'symbols) . font-lock-keyword-face)
80   ;; Memory operators
81   `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr" "fence" "cmpxchg" "atomicrmw") 'symbols) . font-lock-keyword-face)
82   ;; Casts
83   `(,(regexp-opt '("bitcast" "inttoptr" "ptrtoint" "trunc" "zext" "sext" "fptrunc" "fpext" "fptoui" "fptosi" "uitofp" "sitofp" "addrspacecast") 'symbols) . font-lock-keyword-face)
84   ;; Vector ops
85   `(,(regexp-opt '("extractelement" "insertelement" "shufflevector") 'symbols) . font-lock-keyword-face)
86   ;; Aggregate ops
87   `(,(regexp-opt '("extractvalue" "insertvalue") 'symbols) . font-lock-keyword-face)
88   ;; Metadata types
89   `(,(regexp-opt '("distinct") 'symbols) . font-lock-keyword-face)
90   ;; Atomic memory ordering constraints
91   `(,(regexp-opt '("unordered" "monotonic" "acquire" "release" "acq_rel" "seq_cst") 'symbols) . font-lock-keyword-face)
92   ;; Fast-math flags
93   `(,(regexp-opt '("nnan" "ninf" "nsz" "arcp" "contract" "afn" "reassoc" "fast") 'symbols) . font-lock-keyword-face)
94   ;; Use-list order directives
95   `(,(regexp-opt '("uselistorder" "uselistorder_bb") 'symbols) . font-lock-keyword-face))
96  "Syntax highlighting for LLVM.")
97
98;;;###autoload
99(define-derived-mode llvm-mode prog-mode "LLVM"
100  "Major mode for editing LLVM source files.
101\\{llvm-mode-map}
102  Runs `llvm-mode-hook' on startup."
103  (setq font-lock-defaults `(llvm-font-lock-keywords))
104  (setq-local comment-start ";"))
105
106;; Associate .ll files with llvm-mode
107;;;###autoload
108(add-to-list 'auto-mode-alist (cons "\\.ll\\'" 'llvm-mode))
109
110(provide 'llvm-mode)
111
112;;; llvm-mode.el ends here
113