vmcore.ml revision b02b87882788e57e180c6b903a37ced0db1ce828 
1(* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t 2> /dev/null
2 * RUN: ./%t %t.bc
3 * RUN: llvm-dis < %t.bc > %t.ll
4 *)
5
6(* Note: It takes several seconds for ocamlc to link an executable with
7         libLLVMCore.a, so it's better to write a big test than a bunch of
8         little ones. *)
9
10open Llvm
11open Llvm_bitwriter
12
13
14(* Tiny unit test framework - really just to help find which line is busted *)
15let exit_status = ref 0
16let suite_name = ref ""
17let group_name = ref ""
18let case_num = ref 0
19let print_checkpoints = false
20let context = global_context ()
21let i1_type = Llvm.i1_type context
22let i8_type = Llvm.i8_type context
23let i16_type = Llvm.i16_type context
24let i32_type = Llvm.i32_type context
25let i64_type = Llvm.i64_type context
26let void_type = Llvm.void_type context
27let float_type = Llvm.float_type context
28let double_type = Llvm.double_type context
29let fp128_type = Llvm.fp128_type context
30
31let group name =
32  group_name := !suite_name ^ "/" ^ name;
33  case_num := 0;
34  if print_checkpoints then
35    prerr_endline ("  " ^ name ^ "...")
36
37let insist cond =
38  incr case_num;
39  if not cond then
40    exit_status := 10;
41  match print_checkpoints, cond with
42  | false, true -> ()
43  | false, false ->
44      prerr_endline ("FAILED: " ^ !suite_name ^ "/" ^ !group_name ^ " #" ^ (string_of_int !case_num))
45  | true, true ->
46      prerr_endline ("    " ^ (string_of_int !case_num))
47  | true, false ->
48      prerr_endline ("    " ^ (string_of_int !case_num) ^ " FAIL")
49
50let suite name f =
51  suite_name := name;
52  if print_checkpoints then
53    prerr_endline (name ^ ":");
54  f ()
55
56
57(*===-- Fixture -----------------------------------------------------------===*)
58
59let filename = Sys.argv.(1)
60let m = create_module context filename
61let mp = ModuleProvider.create m
62
63
64(*===-- Target ------------------------------------------------------------===*)
65
66let test_target () =
67  begin group "triple";
68    (* RUN: grep "i686-apple-darwin8" < %t.ll
69     *)
70    let trip = "i686-apple-darwin8" in
71    set_target_triple trip m;
72    insist (trip = target_triple m)
73  end;
74  
75  begin group "layout";
76    (* RUN: grep "bogus" < %t.ll
77     *)
78    let layout = "bogus" in
79    set_data_layout layout m;
80    insist (layout = data_layout m)
81  end
82
83(*===-- Types -------------------------------------------------------------===*)
84
85let test_types () =
86  (* RUN: grep {Ty01.*void} < %t.ll
87   *)
88  group "void";
89  insist (define_type_name "Ty01" void_type m);
90  insist (TypeKind.Void == classify_type void_type);
91
92  (* RUN: grep {Ty02.*i1} < %t.ll
93   *)
94  group "i1";
95  insist (define_type_name "Ty02" i1_type m);
96  insist (TypeKind.Integer == classify_type i1_type);
97
98  (* RUN: grep {Ty03.*i32} < %t.ll
99   *)
100  group "i32";
101  insist (define_type_name "Ty03" i32_type m);
102
103  (* RUN: grep {Ty04.*i42} < %t.ll
104   *)
105  group "i42";
106  let ty = integer_type context 42 in
107  insist (define_type_name "Ty04" ty m);
108
109  (* RUN: grep {Ty05.*float} < %t.ll
110   *)
111  group "float";
112  insist (define_type_name "Ty05" float_type m);
113  insist (TypeKind.Float == classify_type float_type);
114
115  (* RUN: grep {Ty06.*double} < %t.ll
116   *)
117  group "double";
118  insist (define_type_name "Ty06" double_type m);
119  insist (TypeKind.Double == classify_type double_type);
120
121  (* RUN: grep {Ty07.*i32.*i1, double} < %t.ll
122   *)
123  group "function";
124  let ty = function_type i32_type [| i1_type; double_type |] in
125  insist (define_type_name "Ty07" ty m);
126  insist (TypeKind.Function = classify_type ty);
127  insist (not (is_var_arg ty));
128  insist (i32_type == return_type ty);
129  insist (double_type == (param_types ty).(1));
130  
131  (* RUN: grep {Ty08.*\.\.\.} < %t.ll
132   *)
133  group "var arg function";
134  let ty = var_arg_function_type void_type [| i32_type |] in
135  insist (define_type_name "Ty08" ty m);
136  insist (is_var_arg ty);
137  
138  (* RUN: grep {Ty09.*\\\[7 x i8\\\]} < %t.ll
139   *)
140  group "array";
141  let ty = array_type i8_type 7 in
142  insist (define_type_name "Ty09" ty m);
143  insist (7 = array_length ty);
144  insist (i8_type == element_type ty);
145  insist (TypeKind.Array == classify_type ty);
146  
147  begin group "pointer";
148    (* RUN: grep {UnqualPtrTy.*float\*} < %t.ll
149     *)
150    let ty = pointer_type float_type in
151    insist (define_type_name "UnqualPtrTy" ty m);
152    insist (float_type == element_type ty);
153    insist (0 == address_space ty);
154    insist (TypeKind.Pointer == classify_type ty)
155  end;
156  
157  begin group "qualified_pointer";
158    (* RUN: grep {QualPtrTy.*i8.*3.*\*} < %t.ll
159     *)
160    let ty = qualified_pointer_type i8_type 3 in
161    insist (define_type_name "QualPtrTy" ty m);
162    insist (i8_type == element_type ty);
163    insist (3 == address_space ty)
164  end;
165  
166  (* RUN: grep {Ty11.*\<4 x i16\>} < %t.ll
167   *)
168  group "vector";
169  let ty = vector_type i16_type 4 in
170  insist (define_type_name "Ty11" ty m);
171  insist (i16_type == element_type ty);
172  insist (4 = vector_size ty);
173  
174  (* RUN: grep {Ty12.*opaque} < %t.ll
175   *)
176  group "opaque";
177  let ty = opaque_type context in
178  insist (define_type_name "Ty12" ty m);
179  insist (ty == ty);
180  insist (ty <> opaque_type context);
181  
182  (* RUN: grep -v {Ty13} < %t.ll
183   *)
184  group "delete";
185  let ty = opaque_type context in
186  insist (define_type_name "Ty13" ty m);
187  delete_type_name "Ty13" m;
188  
189  (* RUN: grep -v {RecursiveTy.*RecursiveTy} < %t.ll
190   *)
191  group "recursive";
192  let ty = opaque_type context in
193  let th = handle_to_type ty in
194  refine_type ty (pointer_type ty);
195  let ty = type_of_handle th in
196  insist (define_type_name "RecursiveTy" ty m);
197  insist (ty == element_type ty)
198
199
200(*===-- Constants ---------------------------------------------------------===*)
201
202let test_constants () =
203  (* RUN: grep {Const01.*i32.*-1} < %t.ll
204   *)
205  group "int";
206  let c = const_int i32_type (-1) in
207  ignore (define_global "Const01" c m);
208  insist (i32_type = type_of c);
209  insist (is_constant c);
210
211  (* RUN: grep {Const02.*i64.*-1} < %t.ll
212   *)
213  group "sext int";
214  let c = const_int i64_type (-1) in
215  ignore (define_global "Const02" c m);
216  insist (i64_type = type_of c);
217
218  (* RUN: grep {Const03.*i64.*4294967295} < %t.ll
219   *)
220  group "zext int64";
221  let c = const_of_int64 i64_type (Int64.of_string "4294967295") false in
222  ignore (define_global "Const03" c m);
223  insist (i64_type = type_of c);
224
225  (* RUN: grep {ConstIntString.*i32.*-1} < %t.ll
226   *)
227  group "int string";
228  let c = const_int_of_string i32_type "-1" 10 in
229  ignore (define_global "ConstIntString" c m);
230  insist (i32_type = type_of c);
231
232  (* RUN: grep {Const04.*"cruel\\\\00world"} < %t.ll
233   *)
234  group "string";
235  let c = const_string context "cruel\000world" in
236  ignore (define_global "Const04" c m);
237  insist ((array_type i8_type 11) = type_of c);
238
239  (* RUN: grep {Const05.*"hi\\\\00again\\\\00"} < %t.ll
240   *)
241  group "stringz";
242  let c = const_stringz context "hi\000again" in
243  ignore (define_global "Const05" c m);
244  insist ((array_type i8_type 9) = type_of c);
245
246  (* RUN: grep {ConstSingle.*2.75} < %t.ll
247   * RUN: grep {ConstDouble.*3.1459} < %t.ll
248   * RUN: grep {ConstDoubleString.*1.25} < %t.ll
249   *)
250  begin group "real";
251    let cs = const_float float_type 2.75 in
252    ignore (define_global "ConstSingle" cs m);
253    insist (float_type = type_of cs);
254    
255    let cd = const_float double_type 3.1459 in
256    ignore (define_global "ConstDouble" cd m);
257    insist (double_type = type_of cd);
258
259    let cd = const_float_of_string double_type "1.25" in
260    ignore (define_global "ConstDoubleString" cd m);
261    insist (double_type = type_of cd)
262  end;
263  
264  let one = const_int i16_type 1 in
265  let two = const_int i16_type 2 in
266  let three = const_int i32_type 3 in
267  let four = const_int i32_type 4 in
268  
269  (* RUN: grep {Const07.*\\\[i32 3, i32 4\\\]} < %t.ll
270   *)
271  group "array";
272  let c = const_array i32_type [| three; four |] in
273  ignore (define_global "Const07" c m);
274  insist ((array_type i32_type 2) = (type_of c));
275  
276  (* RUN: grep {Const08.*<i16 1, i16 2.*>} < %t.ll
277   *)
278  group "vector";
279  let c = const_vector [| one; two; one; two;
280                          one; two; one; two |] in
281  ignore (define_global "Const08" c m);
282  insist ((vector_type i16_type 8) = (type_of c));
283
284  (* RUN: grep {Const09.*.i16 1, i16 2, i32 3, i32 4} < %t.ll
285   *)
286  group "structure";
287  let c = const_struct context [| one; two; three; four |] in
288  ignore (define_global "Const09" c m);
289  insist ((struct_type context [| i16_type; i16_type; i32_type; i32_type |])
290        = (type_of c));
291  
292  (* RUN: grep {Const10.*zeroinit} < %t.ll
293   *)
294  group "null";
295  let c = const_null (packed_struct_type context [| i1_type; i8_type; i64_type;
296                                                    double_type |]) in
297  ignore (define_global "Const10" c m);
298  
299  (* RUN: grep {Const11.*-1} < %t.ll
300   *)
301  group "all ones";
302  let c = const_all_ones i64_type in
303  ignore (define_global "Const11" c m);
304  
305  (* RUN: grep {Const12.*undef} < %t.ll
306   *)
307  group "undef";
308  let c = undef i1_type in
309  ignore (define_global "Const12" c m);
310  insist (i1_type = type_of c);
311  insist (is_undef c);
312  
313  group "constant arithmetic";
314  (* RUN: grep {ConstNeg.*sub} < %t.ll
315   * RUN: grep {ConstNot.*xor} < %t.ll
316   * RUN: grep {ConstAdd.*add} < %t.ll
317   * RUN: grep {ConstSub.*sub} < %t.ll
318   * RUN: grep {ConstMul.*mul} < %t.ll
319   * RUN: grep {ConstUDiv.*udiv} < %t.ll
320   * RUN: grep {ConstSDiv.*sdiv} < %t.ll
321   * RUN: grep {ConstFDiv.*fdiv} < %t.ll
322   * RUN: grep {ConstURem.*urem} < %t.ll
323   * RUN: grep {ConstSRem.*srem} < %t.ll
324   * RUN: grep {ConstFRem.*frem} < %t.ll
325   * RUN: grep {ConstAnd.*and} < %t.ll
326   * RUN: grep {ConstOr.*or} < %t.ll
327   * RUN: grep {ConstXor.*xor} < %t.ll
328   * RUN: grep {ConstICmp.*icmp} < %t.ll
329   * RUN: grep {ConstFCmp.*fcmp} < %t.ll
330   *)
331  let void_ptr = pointer_type i8_type in
332  let five = const_int i64_type 5 in
333  let ffive = const_uitofp five double_type in
334  let foldbomb_gv = define_global "FoldBomb" (const_null i8_type) m in
335  let foldbomb = const_ptrtoint foldbomb_gv i64_type in
336  let ffoldbomb = const_uitofp foldbomb double_type in
337  ignore (define_global "ConstNeg" (const_neg foldbomb) m);
338  ignore (define_global "ConstNot" (const_not foldbomb) m);
339  ignore (define_global "ConstAdd" (const_add foldbomb five) m);
340  ignore (define_global "ConstSub" (const_sub foldbomb five) m);
341  ignore (define_global "ConstMul" (const_mul foldbomb five) m);
342  ignore (define_global "ConstUDiv" (const_udiv foldbomb five) m);
343  ignore (define_global "ConstSDiv" (const_sdiv foldbomb five) m);
344  ignore (define_global "ConstFDiv" (const_fdiv ffoldbomb ffive) m);
345  ignore (define_global "ConstURem" (const_urem foldbomb five) m);
346  ignore (define_global "ConstSRem" (const_srem foldbomb five) m);
347  ignore (define_global "ConstFRem" (const_frem ffoldbomb ffive) m);
348  ignore (define_global "ConstAnd" (const_and foldbomb five) m);
349  ignore (define_global "ConstOr" (const_or foldbomb five) m);
350  ignore (define_global "ConstXor" (const_xor foldbomb five) m);
351  ignore (define_global "ConstICmp" (const_icmp Icmp.Sle foldbomb five) m);
352  ignore (define_global "ConstFCmp" (const_fcmp Fcmp.Ole ffoldbomb ffive) m);
353  
354  group "constant casts";
355  (* RUN: grep {ConstTrunc.*trunc} < %t.ll
356   * RUN: grep {ConstSExt.*sext} < %t.ll
357   * RUN: grep {ConstZExt.*zext} < %t.ll
358   * RUN: grep {ConstFPTrunc.*fptrunc} < %t.ll
359   * RUN: grep {ConstFPExt.*fpext} < %t.ll
360   * RUN: grep {ConstUIToFP.*uitofp} < %t.ll
361   * RUN: grep {ConstSIToFP.*sitofp} < %t.ll
362   * RUN: grep {ConstFPToUI.*fptoui} < %t.ll
363   * RUN: grep {ConstFPToSI.*fptosi} < %t.ll
364   * RUN: grep {ConstPtrToInt.*ptrtoint} < %t.ll
365   * RUN: grep {ConstIntToPtr.*inttoptr} < %t.ll
366   * RUN: grep {ConstBitCast.*bitcast} < %t.ll
367   *)
368  let i128_type = integer_type context 128 in
369  ignore (define_global "ConstTrunc" (const_trunc (const_add foldbomb five)
370                                               i8_type) m);
371  ignore (define_global "ConstSExt" (const_sext foldbomb i128_type) m);
372  ignore (define_global "ConstZExt" (const_zext foldbomb i128_type) m);
373  ignore (define_global "ConstFPTrunc" (const_fptrunc ffoldbomb float_type) m);
374  ignore (define_global "ConstFPExt" (const_fpext ffoldbomb fp128_type) m);
375  ignore (define_global "ConstUIToFP" (const_uitofp foldbomb double_type) m);
376  ignore (define_global "ConstSIToFP" (const_sitofp foldbomb double_type) m);
377  ignore (define_global "ConstFPToUI" (const_fptoui ffoldbomb i32_type) m);
378  ignore (define_global "ConstFPToSI" (const_fptosi ffoldbomb i32_type) m);
379  ignore (define_global "ConstPtrToInt" (const_ptrtoint 
380    (const_gep (const_null (pointer_type i8_type))
381               [| const_int i32_type 1 |])
382    i32_type) m);
383  ignore (define_global "ConstIntToPtr" (const_inttoptr (const_add foldbomb five)
384                                                  void_ptr) m);
385  ignore (define_global "ConstBitCast" (const_bitcast ffoldbomb i64_type) m);
386  
387  group "misc constants";
388  (* RUN: grep {ConstSizeOf.*getelementptr.*null} < %t.ll
389   * RUN: grep {ConstGEP.*getelementptr} < %t.ll
390   * RUN: grep {ConstSelect.*select} < %t.ll
391   * RUN: grep {ConstExtractElement.*extractelement} < %t.ll
392   * RUN: grep {ConstInsertElement.*insertelement} < %t.ll
393   * RUN: grep {ConstShuffleVector.*shufflevector} < %t.ll
394   *)
395  ignore (define_global "ConstSizeOf" (size_of (pointer_type i8_type)) m);
396  ignore (define_global "ConstGEP" (const_gep foldbomb_gv [| five |]) m);
397  ignore (define_global "ConstSelect" (const_select
398    (const_icmp Icmp.Sle foldbomb five)
399    (const_int i8_type (-1))
400    (const_int i8_type 0)) m);
401  let zero = const_int i32_type 0 in
402  let one  = const_int i32_type 1 in
403  ignore (define_global "ConstExtractElement" (const_extractelement
404    (const_vector [| zero; one; zero; one |])
405    (const_trunc foldbomb i32_type)) m);
406  ignore (define_global "ConstInsertElement" (const_insertelement
407    (const_vector [| zero; one; zero; one |])
408    zero (const_trunc foldbomb i32_type)) m);
409  ignore (define_global "ConstShuffleVector" (const_shufflevector
410    (const_vector [| zero; one |])
411    (const_vector [| one; zero |])
412    (const_bitcast foldbomb (vector_type i32_type 2))) m)
413
414
415(*===-- Global Values -----------------------------------------------------===*)
416
417let test_global_values () =
418  let (++) x f = f x; x in
419  let zero32 = const_null i32_type in
420
421  (* RUN: grep {GVal01} < %t.ll
422   *)
423  group "naming";
424  let g = define_global "TEMPORARY" zero32 m in
425  insist ("TEMPORARY" = value_name g);
426  set_value_name "GVal01" g;
427  insist ("GVal01" = value_name g);
428
429  (* RUN: grep {GVal02.*linkonce} < %t.ll
430   *)
431  group "linkage";
432  let g = define_global "GVal02" zero32 m ++
433          set_linkage Linkage.Link_once in
434  insist (Linkage.Link_once = linkage g);
435
436  (* RUN: grep {GVal03.*Hanalei} < %t.ll
437   *)
438  group "section";
439  let g = define_global "GVal03" zero32 m ++
440          set_section "Hanalei" in
441  insist ("Hanalei" = section g);
442  
443  (* RUN: grep {GVal04.*hidden} < %t.ll
444   *)
445  group "visibility";
446  let g = define_global "GVal04" zero32 m ++
447          set_visibility Visibility.Hidden in
448  insist (Visibility.Hidden = visibility g);
449  
450  (* RUN: grep {GVal05.*align 128} < %t.ll
451   *)
452  group "alignment";
453  let g = define_global "GVal05" zero32 m ++
454          set_alignment 128 in
455  insist (128 = alignment g)
456
457
458(*===-- Global Variables --------------------------------------------------===*)
459
460let test_global_variables () =
461  let (++) x f = f x; x in
462  let fourty_two32 = const_int i32_type 42 in
463
464  (* RUN: grep {GVar01.*external} < %t.ll
465   *)
466  group "declarations";
467  insist (None == lookup_global "GVar01" m);
468  let g = declare_global i32_type "GVar01" m in
469  insist (is_declaration g);
470  insist (pointer_type float_type ==
471            type_of (declare_global float_type "GVar01" m));
472  insist (g == declare_global i32_type "GVar01" m);
473  insist (match lookup_global "GVar01" m with Some x -> x = g
474                                            | None -> false);
475  
476  (* RUN: grep {GVar02.*42} < %t.ll
477   * RUN: grep {GVar03.*42} < %t.ll
478   *)
479  group "definitions";
480  let g = define_global "GVar02" fourty_two32 m in
481  let g2 = declare_global i32_type "GVar03" m ++
482           set_initializer fourty_two32 in
483  insist (not (is_declaration g));
484  insist (not (is_declaration g2));
485  insist ((global_initializer g) == (global_initializer g2));
486
487  (* RUN: grep {GVar04.*thread_local} < %t.ll
488   *)
489  group "threadlocal";
490  let g = define_global "GVar04" fourty_two32 m ++
491          set_thread_local true in
492  insist (is_thread_local g);
493
494  (* RUN: grep -v {GVar05} < %t.ll
495   *)
496  group "delete";
497  let g = define_global "GVar05" fourty_two32 m in
498  delete_global g;
499
500  (* RUN: grep -v {ConstGlobalVar.*constant} < %t.ll
501   *)
502  group "constant";
503  let g = define_global "ConstGlobalVar" fourty_two32 m in
504  insist (not (is_global_constant g));
505  set_global_constant true g;
506  insist (is_global_constant g);
507  
508  begin group "iteration";
509    let m = create_module context "temp" in
510    
511    insist (At_end m = global_begin m);
512    insist (At_start m = global_end m);
513    
514    let g1 = declare_global i32_type "One" m in
515    let g2 = declare_global i32_type "Two" m in
516    
517    insist (Before g1 = global_begin m);
518    insist (Before g2 = global_succ g1);
519    insist (At_end m = global_succ g2);
520    
521    insist (After g2 = global_end m);
522    insist (After g1 = global_pred g2);
523    insist (At_start m = global_pred g1);
524    
525    let lf s x = s ^ "->" ^ value_name x in
526    insist ("->One->Two" = fold_left_globals lf "" m);
527    
528    let rf x s = value_name x ^ "<-" ^ s in
529    insist ("One<-Two<-" = fold_right_globals rf m "");
530    
531    dispose_module m
532  end
533
534
535(*===-- Functions ---------------------------------------------------------===*)
536
537let test_functions () =
538  let ty = function_type i32_type [| i32_type; i64_type |] in
539  let ty2 = function_type i8_type [| i8_type; i64_type |] in
540  
541  (* RUN: grep {declare i32 @Fn1\(i32, i64\)} < %t.ll
542   *)
543  begin group "declare";
544    insist (None = lookup_function "Fn1" m);
545    let fn = declare_function "Fn1" ty m in
546    insist (pointer_type ty = type_of fn);
547    insist (is_declaration fn);
548    insist (0 = Array.length (basic_blocks fn));
549    insist (pointer_type ty2 == type_of (declare_function "Fn1" ty2 m));
550    insist (fn == declare_function "Fn1" ty m);
551    insist (None <> lookup_function "Fn1" m);
552    insist (match lookup_function "Fn1" m with Some x -> x = fn
553                                             | None -> false);
554    insist (m == global_parent fn)
555  end;
556  
557  (* RUN: grep -v {Fn2} < %t.ll
558   *)
559  group "delete";
560  let fn = declare_function "Fn2" ty m in
561  delete_function fn;
562  
563  (* RUN: grep {define.*Fn3} < %t.ll
564   *)
565  group "define";
566  let fn = define_function "Fn3" ty m in
567  insist (not (is_declaration fn));
568  insist (1 = Array.length (basic_blocks fn));
569  ignore (build_unreachable (builder_at_end context (entry_block fn)));
570  
571  (* RUN: grep {define.*Fn4.*Param1.*Param2} < %t.ll
572   *)
573  group "params";
574  let fn = define_function "Fn4" ty m in
575  let params = params fn in
576  insist (2 = Array.length params);
577  insist (params.(0) = param fn 0);
578  insist (params.(1) = param fn 1);
579  insist (i32_type = type_of params.(0));
580  insist (i64_type = type_of params.(1));
581  set_value_name "Param1" params.(0);
582  set_value_name "Param2" params.(1);
583  ignore (build_unreachable (builder_at_end context (entry_block fn)));
584  
585  (* RUN: grep {fastcc.*Fn5} < %t.ll
586   *)
587  group "callconv";
588  let fn = define_function "Fn5" ty m in
589  insist (CallConv.c = function_call_conv fn);
590  set_function_call_conv CallConv.fast fn;
591  insist (CallConv.fast = function_call_conv fn);
592  ignore (build_unreachable (builder_at_end context (entry_block fn)));
593  
594  begin group "gc";
595    (* RUN: grep {Fn6.*gc.*shadowstack} < %t.ll
596     *)
597    let fn = define_function "Fn6" ty m in
598    insist (None = gc fn);
599    set_gc (Some "ocaml") fn;
600    insist (Some "ocaml" = gc fn);
601    set_gc None fn;
602    insist (None = gc fn);
603    set_gc (Some "shadowstack") fn;
604    ignore (build_unreachable (builder_at_end context (entry_block fn)));
605  end;
606  
607  begin group "iteration";
608    let m = create_module context "temp" in
609    
610    insist (At_end m = function_begin m);
611    insist (At_start m = function_end m);
612    
613    let f1 = define_function "One" ty m in
614    let f2 = define_function "Two" ty m in
615    
616    insist (Before f1 = function_begin m);
617    insist (Before f2 = function_succ f1);
618    insist (At_end m = function_succ f2);
619    
620    insist (After f2 = function_end m);
621    insist (After f1 = function_pred f2);
622    insist (At_start m = function_pred f1);
623    
624    let lf s x = s ^ "->" ^ value_name x in
625    insist ("->One->Two" = fold_left_functions lf "" m);
626    
627    let rf x s = value_name x ^ "<-" ^ s in
628    insist ("One<-Two<-" = fold_right_functions rf m "");
629    
630    dispose_module m
631  end
632
633
634(*===-- Params ------------------------------------------------------------===*)
635
636let test_params () =
637  begin group "iteration";
638    let m = create_module context "temp" in
639    
640    let vf = define_function "void" (function_type void_type [| |]) m in
641    
642    insist (At_end vf = param_begin vf);
643    insist (At_start vf = param_end vf);
644    
645    let ty = function_type void_type [| i32_type; i32_type |] in
646    let f = define_function "f" ty m in
647    let p1 = param f 0 in
648    let p2 = param f 1 in
649    set_value_name "One" p1;
650    set_value_name "Two" p2;
651    add_param_attr p1 Attribute.Sext;
652    add_param_attr p2 Attribute.Noalias;
653    remove_param_attr p2 Attribute.Noalias;
654    add_function_attr f Attribute.Nounwind;
655    add_function_attr f Attribute.Noreturn;
656    remove_function_attr f Attribute.Noreturn;
657
658    insist (Before p1 = param_begin f);
659    insist (Before p2 = param_succ p1);
660    insist (At_end f = param_succ p2);
661    
662    insist (After p2 = param_end f);
663    insist (After p1 = param_pred p2);
664    insist (At_start f = param_pred p1);
665    
666    let lf s x = s ^ "->" ^ value_name x in
667    insist ("->One->Two" = fold_left_params lf "" f);
668    
669    let rf x s = value_name x ^ "<-" ^ s in
670    insist ("One<-Two<-" = fold_right_params rf f "");
671    
672    dispose_module m
673  end
674
675
676(*===-- Basic Blocks ------------------------------------------------------===*)
677
678let test_basic_blocks () =
679  let ty = function_type void_type [| |] in
680  
681  (* RUN: grep {Bb1} < %t.ll
682   *)
683  group "entry";
684  let fn = declare_function "X" ty m in
685  let bb = append_block context "Bb1" fn in
686  insist (bb = entry_block fn);
687  ignore (build_unreachable (builder_at_end context bb));
688  
689  (* RUN: grep -v Bb2 < %t.ll
690   *)
691  group "delete";
692  let fn = declare_function "X2" ty m in
693  let bb = append_block context "Bb2" fn in
694  delete_block bb;
695  
696  group "insert";
697  let fn = declare_function "X3" ty m in
698  let bbb = append_block context "b" fn in
699  let bba = insert_block context "a" bbb in
700  insist ([| bba; bbb |] = basic_blocks fn);
701  ignore (build_unreachable (builder_at_end context bba));
702  ignore (build_unreachable (builder_at_end context bbb));
703  
704  (* RUN: grep Bb3 < %t.ll
705   *)
706  group "name/value";
707  let fn = define_function "X4" ty m in
708  let bb = entry_block fn in
709  ignore (build_unreachable (builder_at_end context bb));
710  let bbv = value_of_block bb in
711  set_value_name "Bb3" bbv;
712  insist ("Bb3" = value_name bbv);
713  
714  group "casts";
715  let fn = define_function "X5" ty m in
716  let bb = entry_block fn in
717  ignore (build_unreachable (builder_at_end context bb));
718  insist (bb = block_of_value (value_of_block bb));
719  insist (value_is_block (value_of_block bb));
720  insist (not (value_is_block (const_null i32_type)));
721  
722  begin group "iteration";
723    let m = create_module context "temp" in
724    let f = declare_function "Temp" (function_type i32_type [| |]) m in
725    
726    insist (At_end f = block_begin f);
727    insist (At_start f = block_end f);
728    
729    let b1 = append_block context "One" f in
730    let b2 = append_block context "Two" f in
731    
732    insist (Before b1 = block_begin f);
733    insist (Before b2 = block_succ b1);
734    insist (At_end f = block_succ b2);
735    
736    insist (After b2 = block_end f);
737    insist (After b1 = block_pred b2);
738    insist (At_start f = block_pred b1);
739    
740    let lf s x = s ^ "->" ^ value_name (value_of_block x) in
741    insist ("->One->Two" = fold_left_blocks lf "" f);
742    
743    let rf x s = value_name (value_of_block x) ^ "<-" ^ s in
744    insist ("One<-Two<-" = fold_right_blocks rf f "");
745    
746    dispose_module m
747  end
748
749
750(*===-- Instructions ------------------------------------------------------===*)
751
752let test_instructions () =
753  begin group "iteration";
754    let m = create_module context "temp" in
755    let fty = function_type void_type [| i32_type; i32_type |] in
756    let f = define_function "f" fty m in
757    let bb = entry_block f in
758    let b = builder_at context (At_end bb) in
759    
760    insist (At_end bb = instr_begin bb);
761    insist (At_start bb = instr_end bb);
762    
763    let i1 = build_add (param f 0) (param f 1) "One" b in
764    let i2 = build_sub (param f 0) (param f 1) "Two" b in
765    
766    insist (Before i1 = instr_begin bb);
767    insist (Before i2 = instr_succ i1);
768    insist (At_end bb = instr_succ i2);
769    
770    insist (After i2 = instr_end bb);
771    insist (After i1 = instr_pred i2);
772    insist (At_start bb = instr_pred i1);
773    
774    let lf s x = s ^ "->" ^ value_name x in
775    insist ("->One->Two" = fold_left_instrs lf "" bb);
776    
777    let rf x s = value_name x ^ "<-" ^ s in
778    insist ("One<-Two<-" = fold_right_instrs rf bb "");
779    
780    dispose_module m
781  end
782
783
784(*===-- Builder -----------------------------------------------------------===*)
785
786let test_builder () =
787  let (++) x f = f x; x in
788  
789  begin group "parent";
790    insist (try
791              ignore (insertion_block (builder context));
792              false
793            with Not_found ->
794              true);
795    
796    let fty = function_type void_type [| i32_type |] in
797    let fn = define_function "BuilderParent" fty m in
798    let bb = entry_block fn in
799    let b = builder_at_end context bb in
800    let p = param fn 0 in
801    let sum = build_add p p "sum" b in
802    ignore (build_ret_void b);
803    
804    insist (fn = block_parent bb);
805    insist (fn = param_parent p);
806    insist (bb = instr_parent sum);
807    insist (bb = insertion_block b)
808  end;
809  
810  group "ret void";
811  begin
812    (* RUN: grep {ret void} < %t.ll
813     *)
814    let fty = function_type void_type [| |] in
815    let fn = declare_function "X6" fty m in
816    let b = builder_at_end context (append_block context "Bb01" fn) in
817    ignore (build_ret_void b)
818  end;
819  
820  (* The rest of the tests will use one big function. *)
821  let fty = function_type i32_type [| i32_type; i32_type |] in
822  let fn = define_function "X7" fty m in
823  let atentry = builder_at_end context (entry_block fn) in
824  let p1 = param fn 0 ++ set_value_name "P1" in
825  let p2 = param fn 1 ++ set_value_name "P2" in
826  let f1 = build_uitofp p1 float_type "F1" atentry in
827  let f2 = build_uitofp p2 float_type "F2" atentry in
828  
829  let bb00 = append_block context "Bb00" fn in
830  ignore (build_unreachable (builder_at_end context bb00));
831  
832  group "ret"; begin
833    (* RUN: grep {ret.*P1} < %t.ll
834     *)
835    let ret = build_ret p1 atentry in
836    position_before ret atentry
837  end;
838  
839  group "br"; begin
840    (* RUN: grep {br.*Bb02} < %t.ll
841     *)
842    let bb02 = append_block context "Bb02" fn in
843    let b = builder_at_end context bb02 in
844    ignore (build_br bb02 b)
845  end;
846  
847  group "cond_br"; begin
848    (* RUN: grep {br.*Inst01.*Bb03.*Bb00} < %t.ll
849     *)
850    let bb03 = append_block context "Bb03" fn in
851    let b = builder_at_end context bb03 in
852    let cond = build_trunc p1 i1_type "Inst01" b in
853    ignore (build_cond_br cond bb03 bb00 b)
854  end;
855  
856  group "switch"; begin
857    (* RUN: grep {switch.*P1.*SwiBlock3} < %t.ll
858     * RUN: grep {2,.*SwiBlock2} < %t.ll
859     *)
860    let bb1 = append_block context "SwiBlock1" fn in
861    let bb2 = append_block context "SwiBlock2" fn in
862    ignore (build_unreachable (builder_at_end context bb2));
863    let bb3 = append_block context "SwiBlock3" fn in
864    ignore (build_unreachable (builder_at_end context bb3));
865    let si = build_switch p1 bb3 1 (builder_at_end context bb1) in
866    ignore (add_case si (const_int i32_type 2) bb2)
867  end;
868  
869  group "invoke"; begin
870    (* RUN: grep {Inst02.*invoke.*P1.*P2} < %t.ll
871     * RUN: grep {to.*Bb04.*unwind.*Bb00} < %t.ll
872     *)
873    let bb04 = append_block context "Bb04" fn in
874    let b = builder_at_end context bb04 in
875    ignore (build_invoke fn [| p1; p2 |] bb04 bb00 "Inst02" b)
876  end;
877  
878  group "unwind"; begin
879    (* RUN: grep {unwind} < %t.ll
880     *)
881    let bb05 = append_block context "Bb05" fn in
882    let b = builder_at_end context bb05 in
883    ignore (build_unwind b)
884  end;
885  
886  group "unreachable"; begin
887    (* RUN: grep {unreachable} < %t.ll
888     *)
889    let bb06 = append_block context "Bb06" fn in
890    let b = builder_at_end context bb06 in
891    ignore (build_unreachable b)
892  end;
893  
894  group "arithmetic"; begin
895    let bb07 = append_block context "Bb07" fn in
896    let b = builder_at_end context bb07 in
897    
898    (* RUN: grep {Inst03.*add.*P1.*P2} < %t.ll
899     * RUN: grep {Inst04.*sub.*P1.*Inst03} < %t.ll
900     * RUN: grep {Inst05.*mul.*P1.*Inst04} < %t.ll
901     * RUN: grep {Inst06.*udiv.*P1.*Inst05} < %t.ll
902     * RUN: grep {Inst07.*sdiv.*P1.*Inst06} < %t.ll
903     * RUN: grep {Inst08.*fdiv.*F1.*F2} < %t.ll
904     * RUN: grep {Inst09.*urem.*P1.*Inst07} < %t.ll
905     * RUN: grep {Inst10.*srem.*P1.*Inst09} < %t.ll
906     * RUN: grep {Inst11.*frem.*F1.*Inst08} < %t.ll
907     * RUN: grep {Inst12.*shl.*P1.*Inst10} < %t.ll
908     * RUN: grep {Inst13.*lshr.*P1.*Inst12} < %t.ll
909     * RUN: grep {Inst14.*ashr.*P1.*Inst13} < %t.ll
910     * RUN: grep {Inst15.*and.*P1.*Inst14} < %t.ll
911     * RUN: grep {Inst16.*or.*P1.*Inst15} < %t.ll
912     * RUN: grep {Inst17.*xor.*P1.*Inst16} < %t.ll
913     * RUN: grep {Inst18.*sub.*0.*Inst17} < %t.ll
914     * RUN: grep {Inst19.*xor.*Inst18.*-1} < %t.ll
915     *)
916    let inst03 = build_add  p1 p2     "Inst03" b in
917    let inst04 = build_sub  p1 inst03 "Inst04" b in
918    let inst05 = build_mul  p1 inst04 "Inst05" b in
919    let inst06 = build_udiv p1 inst05 "Inst06" b in
920    let inst07 = build_sdiv p1 inst06 "Inst07" b in
921    let inst08 = build_fdiv f1 f2     "Inst08" b in
922    let inst09 = build_urem p1 inst07 "Inst09" b in
923    let inst10 = build_srem p1 inst09 "Inst10" b in
924          ignore(build_frem f1 inst08 "Inst11" b);
925    let inst12 = build_shl  p1 inst10 "Inst12" b in
926    let inst13 = build_lshr p1 inst12 "Inst13" b in
927    let inst14 = build_ashr p1 inst13 "Inst14" b in
928    let inst15 = build_and  p1 inst14 "Inst15" b in
929    let inst16 = build_or   p1 inst15 "Inst16" b in
930    let inst17 = build_xor  p1 inst16 "Inst17" b in
931    let inst18 = build_neg  inst17    "Inst18" b in
932         ignore (build_not  inst18    "Inst19" b);
933         ignore (build_unreachable b)
934  end;
935  
936  group "memory"; begin
937    let bb08 = append_block context "Bb08" fn in
938    let b = builder_at_end context bb08 in
939    
940    (* RUN: grep {Inst20.*malloc.*i8 } < %t.ll
941     * RUN: grep {Inst21.*malloc.*i8.*P1} < %t.ll
942     * RUN: grep {Inst22.*alloca.*i32 } < %t.ll
943     * RUN: grep {Inst23.*alloca.*i32.*P2} < %t.ll
944     * RUN: grep {free.*Inst20} < %t.ll
945     * RUN: grep {Inst25.*load.*Inst21} < %t.ll
946     * RUN: grep {store.*P2.*Inst22} < %t.ll
947     * RUN: grep {Inst27.*getelementptr.*Inst23.*P2} < %t.ll
948     *)
949    let inst20 = build_malloc i8_type "Inst20" b in
950    let inst21 = build_array_malloc i8_type p1 "Inst21" b in
951    let inst22 = build_alloca i32_type "Inst22" b in
952    let inst23 = build_array_alloca i32_type p2 "Inst23" b in
953          ignore(build_free inst20 b);
954          ignore(build_load inst21 "Inst25" b);
955          ignore(build_store p2 inst22 b);
956          ignore(build_gep inst23 [| p2 |] "Inst27" b);
957          ignore(build_unreachable b)
958  end;
959  
960  group "casts"; begin
961    let void_ptr = pointer_type i8_type in
962    
963    (* RUN: grep {Inst28.*trunc.*P1.*i8} < %t.ll
964     * RUN: grep {Inst29.*zext.*Inst28.*i32} < %t.ll
965     * RUN: grep {Inst30.*sext.*Inst29.*i64} < %t.ll
966     * RUN: grep {Inst31.*uitofp.*Inst30.*float} < %t.ll
967     * RUN: grep {Inst32.*sitofp.*Inst29.*double} < %t.ll
968     * RUN: grep {Inst33.*fptoui.*Inst31.*i32} < %t.ll
969     * RUN: grep {Inst34.*fptosi.*Inst32.*i64} < %t.ll
970     * RUN: grep {Inst35.*fptrunc.*Inst32.*float} < %t.ll
971     * RUN: grep {Inst36.*fpext.*Inst35.*double} < %t.ll
972     * RUN: grep {Inst37.*inttoptr.*P1.*i8\*} < %t.ll
973     * RUN: grep {Inst38.*ptrtoint.*Inst37.*i64} < %t.ll
974     * RUN: grep {Inst39.*bitcast.*Inst38.*double} < %t.ll
975     *)
976    let inst28 = build_trunc p1 i8_type "Inst28" atentry in
977    let inst29 = build_zext inst28 i32_type "Inst29" atentry in
978    let inst30 = build_sext inst29 i64_type "Inst30" atentry in
979    let inst31 = build_uitofp inst30 float_type "Inst31" atentry in
980    let inst32 = build_sitofp inst29 double_type "Inst32" atentry in
981          ignore(build_fptoui inst31 i32_type "Inst33" atentry);
982          ignore(build_fptosi inst32 i64_type "Inst34" atentry);
983    let inst35 = build_fptrunc inst32 float_type "Inst35" atentry in
984          ignore(build_fpext inst35 double_type "Inst36" atentry);
985    let inst37 = build_inttoptr p1 void_ptr "Inst37" atentry in
986    let inst38 = build_ptrtoint inst37 i64_type "Inst38" atentry in
987          ignore(build_bitcast inst38 double_type "Inst39" atentry)
988  end;
989  
990  group "comparisons"; begin
991    (* RUN: grep {Inst40.*icmp.*ne.*P1.*P2} < %t.ll
992     * RUN: grep {Inst41.*icmp.*sle.*P2.*P1} < %t.ll
993     * RUN: grep {Inst42.*fcmp.*false.*F1.*F2} < %t.ll
994     * RUN: grep {Inst43.*fcmp.*true.*F2.*F1} < %t.ll
995     *)
996    ignore (build_icmp Icmp.Ne    p1 p2 "Inst40" atentry);
997    ignore (build_icmp Icmp.Sle   p2 p1 "Inst41" atentry);
998    ignore (build_fcmp Fcmp.False f1 f2 "Inst42" atentry);
999    ignore (build_fcmp Fcmp.True  f2 f1 "Inst43" atentry)
1000  end;
1001  
1002  group "miscellaneous"; begin
1003    (* RUN: grep {CallInst.*call.*P2.*P1} < %t.ll
1004     * RUN: grep {CallInst.*cc63} < %t.ll
1005     * RUN: grep {Inst47.*select.*Inst46.*P1.*P2} < %t.ll
1006     * RUN: grep {Inst48.*va_arg.*null.*i32} < %t.ll
1007     * RUN: grep {Inst49.*extractelement.*Vec1.*P2} < %t.ll
1008     * RUN: grep {Inst50.*insertelement.*Vec1.*P1.*P2} < %t.ll
1009     * RUN: grep {Inst51.*shufflevector.*Vec1.*Vec2.*1.*1.*0.*0} < %t.ll
1010     * RUN: grep {CallInst.*tail call} < %t.ll
1011     *)
1012    let ci = build_call fn [| p2; p1 |] "CallInst" atentry in
1013    insist (CallConv.c = instruction_call_conv ci);
1014    set_instruction_call_conv 63 ci;
1015    insist (63 = instruction_call_conv ci);
1016    insist (not (is_tail_call ci));
1017    set_tail_call true ci;
1018    insist (is_tail_call ci);
1019    add_instruction_param_attr ci 1 Attribute.Sext;
1020    add_instruction_param_attr ci 2 Attribute.Noalias;
1021    remove_instruction_param_attr ci 2 Attribute.Noalias;
1022    
1023    let inst46 = build_icmp Icmp.Eq p1 p2 "Inst46" atentry in
1024         ignore (build_select inst46 p1 p2 "Inst47" atentry);
1025         ignore (build_va_arg
1026                  (const_null (pointer_type (pointer_type i8_type)))
1027                  i32_type "Inst48" atentry);
1028    
1029    (* Set up some vector vregs. *)
1030    let one  = const_int i32_type 1 in
1031    let zero = const_int i32_type 0 in
1032    let t1 = const_vector [| one; zero; one; zero |] in
1033    let t2 = const_vector [| zero; one; zero; one |] in
1034    let t3 = const_vector [| one; one; zero; zero |] in
1035    let vec1 = build_insertelement t1 p1 p2 "Vec1" atentry in
1036    let vec2 = build_insertelement t2 p1 p2 "Vec2" atentry in
1037    
1038    ignore (build_extractelement vec1 p2 "Inst49" atentry);
1039    ignore (build_insertelement vec1 p1 p2 "Inst50" atentry);
1040    ignore (build_shufflevector vec1 vec2 t3 "Inst51" atentry);
1041  end;
1042  
1043  group "phi"; begin
1044    (* RUN: grep {PhiNode.*P1.*PhiBlock1.*P2.*PhiBlock2} < %t.ll
1045     *)
1046    let b1 = append_block context "PhiBlock1" fn in
1047    let b2 = append_block context "PhiBlock2" fn in
1048    
1049    let jb = append_block context "PhiJoinBlock" fn in
1050    ignore (build_br jb (builder_at_end context b1));
1051    ignore (build_br jb (builder_at_end context b2));
1052    let at_jb = builder_at_end context jb in
1053    
1054    let phi = build_phi [(p1, b1)] "PhiNode" at_jb in
1055    insist ([(p1, b1)] = incoming phi);
1056    
1057    add_incoming (p2, b2) phi;
1058    insist ([(p1, b1); (p2, b2)] = incoming phi);
1059    
1060    ignore (build_unreachable at_jb);
1061  end
1062
1063
1064(*===-- Module Provider ---------------------------------------------------===*)
1065
1066let test_module_provider () =
1067  let m = create_module context "test" in
1068  let mp = ModuleProvider.create m in
1069  ModuleProvider.dispose mp
1070
1071
1072(*===-- Pass Managers -----------------------------------------------------===*)
1073
1074let test_pass_manager () =
1075  let (++) x f = ignore (f x); x in
1076
1077  begin group "module pass manager";
1078    ignore (PassManager.create ()
1079             ++ PassManager.run_module m
1080             ++ PassManager.dispose)
1081  end;
1082  
1083  begin group "function pass manager";
1084    let fty = function_type void_type [| |] in
1085    let fn = define_function "FunctionPassManager" fty m in
1086    ignore (build_ret_void (builder_at_end context (entry_block fn)));
1087    
1088    ignore (PassManager.create_function mp
1089             ++ PassManager.initialize
1090             ++ PassManager.run_function fn
1091             ++ PassManager.finalize
1092             ++ PassManager.dispose)
1093  end
1094
1095
1096(*===-- Writer ------------------------------------------------------------===*)
1097
1098let test_writer () =
1099  group "valid";
1100  insist (match Llvm_analysis.verify_module m with
1101          | None -> true
1102          | Some msg -> prerr_string msg; false);
1103
1104  group "writer";
1105  insist (write_bitcode_file m filename);
1106  
1107  ModuleProvider.dispose mp
1108
1109
1110(*===-- Driver ------------------------------------------------------------===*)
1111
1112let _ =
1113  suite "target"           test_target;
1114  suite "types"            test_types;
1115  suite "constants"        test_constants;
1116  suite "global values"    test_global_values;
1117  suite "global variables" test_global_variables;
1118  suite "functions"        test_functions;
1119  suite "params"           test_params;
1120  suite "basic blocks"     test_basic_blocks;
1121  suite "instructions"     test_instructions;
1122  suite "builder"          test_builder;
1123  suite "module provider"  test_module_provider;
1124  suite "pass manager"     test_pass_manager;
1125  suite "writer"           test_writer; (* Keep this last; it disposes m. *)
1126  exit !exit_status
1127