test/Bindings/Ocaml/vmcore.ml

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