test/Bindings/Ocaml/vmcore.ml

   1 (* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t
   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 case_num = ref 0
  17
  18 let group name =
  19   case_num := 0;
  20   prerr_endline ("  " ^ name ^ "...")
  21
  22 let insist cond =
  23   incr case_num;
  24   if not cond then exit_status := 10;
  25   prerr_endline ("    " ^ (string_of_int !case_num) ^ if cond then ""
  26                                                               else " FAIL")
  27
  28 let suite name f =
  29   prerr_endline (name ^ ":");
  30   f ()
  31
  32
  33 (*===-- Fixture -----------------------------------------------------------===*)
  34
  35 let filename = Sys.argv.(1)
  36 let m = create_module filename
  37
  38
  39 (*===-- Target ------------------------------------------------------------===*)
  40
  41 let test_target () =
  42   begin group "triple";
  43     (* RUN: grep "i686-apple-darwin8" < %t.ll
  44      *)
  45     let trip = "i686-apple-darwin8" in
  46     set_target_triple trip m;
  47     insist (trip = target_triple m)
  48   end;
  49
  50   begin group "layout";
  51     (* RUN: grep "bogus" < %t.ll
  52      *)
  53     let layout = "bogus" in
  54     set_data_layout layout m;
  55     insist (layout = data_layout m)
  56   end
  57
  58 (*===-- Types -------------------------------------------------------------===*)
  59
  60 let test_types () =
  61   (* RUN: grep {Ty01.*void} < %t.ll
  62    *)
  63   group "void";
  64   insist (define_type_name "Ty01" void_type m);
  65   insist (TypeKind.Void == classify_type void_type);
  66
  67   (* RUN: grep {Ty02.*i1} < %t.ll
  68    *)
  69   group "i1";
  70   insist (define_type_name "Ty02" i1_type m);
  71   insist (TypeKind.Integer == classify_type i1_type);
  72
  73   (* RUN: grep {Ty03.*i32} < %t.ll
  74    *)
  75   group "i32";
  76   insist (define_type_name "Ty03" i32_type m);
  77
  78   (* RUN: grep {Ty04.*i42} < %t.ll
  79    *)
  80   group "i42";
  81   let ty = integer_type 42 in
  82   insist (define_type_name "Ty04" ty m);
  83
  84   (* RUN: grep {Ty05.*float} < %t.ll
  85    *)
  86   group "float";
  87   insist (define_type_name "Ty05" float_type m);
  88   insist (TypeKind.Float == classify_type float_type);
  89
  90   (* RUN: grep {Ty06.*double} < %t.ll
  91    *)
  92   group "double";
  93   insist (define_type_name "Ty06" double_type m);
  94   insist (TypeKind.Double == classify_type double_type);
  95
  96   (* RUN: grep {Ty07.*i32.*i1, double} < %t.ll
  97    *)
  98   group "function";
  99   let ty = function_type i32_type [| i1_type; double_type |] in
 100   insist (define_type_name "Ty07" ty m);
 101   insist (TypeKind.Function = classify_type ty);
 102   insist (not (is_var_arg ty));
 103   insist (i32_type == return_type ty);
 104   insist (double_type == (param_types ty).(1));
 105
 106   (* RUN: grep {Ty08.*\.\.\.} < %t.ll
 107    *)
 108   group "var arg function";
 109   let ty = var_arg_function_type void_type [| i32_type |] in
 110   insist (define_type_name "Ty08" ty m);
 111   insist (is_var_arg ty);
 112
 113   (* RUN: grep {Ty09.*\\\[7 x i8\\\]} < %t.ll
 114    *)
 115   group "array";
 116   let ty = array_type i8_type 7 in
 117   insist (define_type_name "Ty09" ty m);
 118   insist (7 = array_length ty);
 119   insist (i8_type == element_type ty);
 120   insist (TypeKind.Array == classify_type ty);
 121
 122   begin group "pointer";
 123     (* RUN: grep {UnqualPtrTy.*float\*} < %t.ll
 124      *)
 125     let ty = pointer_type float_type in
 126     insist (define_type_name "UnqualPtrTy" ty m);
 127     insist (float_type == element_type ty);
 128     insist (0 == address_space ty);
 129     insist (TypeKind.Pointer == classify_type ty)
 130   end;
 131
 132   begin group "qualified_pointer";
 133     (* RUN: grep {QualPtrTy.*i8.*3.*\*} < %t.ll
 134      *)
 135     let ty = qualified_pointer_type i8_type 3 in
 136     insist (define_type_name "QualPtrTy" ty m);
 137     insist (i8_type == element_type ty);
 138     insist (3 == address_space ty)
 139   end;
 140
 141   (* RUN: grep {Ty11.*\<4 x i16\>} < %t.ll
 142    *)
 143   group "vector";
 144   let ty = vector_type i16_type 4 in
 145   insist (define_type_name "Ty11" ty m);
 146   insist (i16_type == element_type ty);
 147   insist (4 = vector_size ty);
 148
 149   (* RUN: grep {Ty12.*opaque} < %t.ll
 150    *)
 151   group "opaque";
 152   let ty = opaque_type () in
 153   insist (define_type_name "Ty12" ty m);
 154   insist (ty == ty);
 155   insist (ty <> opaque_type ());
 156
 157   (* RUN: grep -v {Ty13} < %t.ll
 158    *)
 159   group "delete";
 160   let ty = opaque_type () in
 161   insist (define_type_name "Ty13" ty m);
 162   delete_type_name "Ty13" m;
 163
 164   (* RUN: grep -v {RecursiveTy.*RecursiveTy} < %t.ll
 165    *)
 166   group "recursive";
 167   let ty = opaque_type () in
 168   let th = handle_to_type ty in
 169   refine_type ty (pointer_type ty);
 170   let ty = type_of_handle th in
 171   insist (define_type_name "RecursiveTy" ty m);
 172   insist (ty == element_type ty)
 173
 174
 175 (*===-- Constants ---------------------------------------------------------===*)
 176
 177 let test_constants () =
 178   (* RUN: grep {Const01.*i32.*-1} < %t.ll
 179    *)
 180   group "int";
 181   let c = const_int i32_type (-1) in
 182   ignore (define_global "Const01" c m);
 183   insist (i32_type = type_of c);
 184   insist (is_constant c);
 185
 186   (* RUN: grep {Const02.*i64.*-1} < %t.ll
 187    *)
 188   group "sext int";
 189   let c = const_int i64_type (-1) in
 190   ignore (define_global "Const02" c m);
 191   insist (i64_type = type_of c);
 192
 193   (* RUN: grep {Const03.*i64.*4294967295} < %t.ll
 194    *)
 195   group "zext int64";
 196   let c = const_of_int64 i64_type (Int64.of_string "4294967295") false in
 197   ignore (define_global "Const03" c m);
 198   insist (i64_type = type_of c);
 199
 200   (* RUN: grep {Const04.*"cruel\\\\00world"} < %t.ll
 201    *)
 202   group "string";
 203   let c = const_string "cruel\000world" in
 204   ignore (define_global "Const04" c m);
 205   insist ((array_type i8_type 11) = type_of c);
 206
 207   (* RUN: grep {Const05.*"hi\\\\00again\\\\00"} < %t.ll
 208    *)
 209   group "stringz";
 210   let c = const_stringz "hi\000again" in
 211   ignore (define_global "Const05" c m);
 212   insist ((array_type i8_type 9) = type_of c);
 213
 214   (* RUN: grep {Const06.*3.1459} < %t.ll
 215    *)
 216   group "real";
 217   let c = const_float double_type 3.1459 in
 218   ignore (define_global "Const06" c m);
 219   insist (double_type = type_of c);
 220
 221   let one = const_int i16_type 1 in
 222   let two = const_int i16_type 2 in
 223   let three = const_int i32_type 3 in
 224   let four = const_int i32_type 4 in
 225
 226   (* RUN: grep {Const07.*\\\[ i32 3, i32 4 \\\]} < %t.ll
 227    *)
 228   group "array";
 229   let c = const_array i32_type [| three; four |] in
 230   ignore (define_global "Const07" c m);
 231   insist ((array_type i32_type 2) = (type_of c));
 232
 233   (* RUN: grep {Const08.*< i16 1, i16 2.* >} < %t.ll
 234    *)
 235   group "vector";
 236   let c = const_vector [| one; two; one; two;
 237                           one; two; one; two |] in
 238   ignore (define_global "Const08" c m);
 239   insist ((vector_type i16_type 8) = (type_of c));
 240
 241   (* RUN: grep {Const09.*\{ i16, i16, i32, i32 \} \{} < %t.ll
 242    *)
 243   group "structure";
 244   let c = const_struct [| one; two; three; four |] in
 245   ignore (define_global "Const09" c m);
 246   insist ((struct_type [| i16_type; i16_type; i32_type; i32_type |])
 247         = (type_of c));
 248
 249   (* RUN: grep {Const10.*zeroinit} < %t.ll
 250    *)
 251   group "null";
 252   let c = const_null (packed_struct_type [| i1_type; i8_type;
 253                                             i64_type; double_type |]) in
 254   ignore (define_global "Const10" c m);
 255
 256   (* RUN: grep {Const11.*-1} < %t.ll
 257    *)
 258   group "all ones";
 259   let c = const_all_ones i64_type in
 260   ignore (define_global "Const11" c m);
 261
 262   (* RUN: grep {Const12.*undef} < %t.ll
 263    *)
 264   group "undef";
 265   let c = undef i1_type in
 266   ignore (define_global "Const12" c m);
 267   insist (i1_type = type_of c);
 268   insist (is_undef c);
 269
 270   group "constant arithmetic";
 271   (* RUN: grep {ConstNeg.*sub} < %t.ll
 272    * RUN: grep {ConstNot.*xor} < %t.ll
 273    * RUN: grep {ConstAdd.*add} < %t.ll
 274    * RUN: grep {ConstSub.*sub} < %t.ll
 275    * RUN: grep {ConstMul.*mul} < %t.ll
 276    * RUN: grep {ConstUDiv.*udiv} < %t.ll
 277    * RUN: grep {ConstSDiv.*sdiv} < %t.ll
 278    * RUN: grep {ConstFDiv.*fdiv} < %t.ll
 279    * RUN: grep {ConstURem.*urem} < %t.ll
 280    * RUN: grep {ConstSRem.*srem} < %t.ll
 281    * RUN: grep {ConstFRem.*frem} < %t.ll
 282    * RUN: grep {ConstAnd.*and} < %t.ll
 283    * RUN: grep {ConstOr.*or} < %t.ll
 284    * RUN: grep {ConstXor.*xor} < %t.ll
 285    * RUN: grep {ConstICmp.*icmp} < %t.ll
 286    * RUN: grep {ConstFCmp.*fcmp} < %t.ll
 287    *)
 288   let void_ptr = pointer_type i8_type in
 289   let five = const_int i64_type 5 in
 290   let ffive = const_uitofp five double_type in
 291   let foldbomb_gv = define_global "FoldBomb" (const_null i8_type) m in
 292   let foldbomb = const_ptrtoint foldbomb_gv i64_type in
 293   let ffoldbomb = const_uitofp foldbomb double_type in
 294   ignore (define_global "ConstNeg" (const_neg foldbomb) m);
 295   ignore (define_global "ConstNot" (const_not foldbomb) m);
 296   ignore (define_global "ConstAdd" (const_add foldbomb five) m);
 297   ignore (define_global "ConstSub" (const_sub foldbomb five) m);
 298   ignore (define_global "ConstMul" (const_mul foldbomb five) m);
 299   ignore (define_global "ConstUDiv" (const_udiv foldbomb five) m);
 300   ignore (define_global "ConstSDiv" (const_sdiv foldbomb five) m);
 301   ignore (define_global "ConstFDiv" (const_fdiv ffoldbomb ffive) m);
 302   ignore (define_global "ConstURem" (const_urem foldbomb five) m);
 303   ignore (define_global "ConstSRem" (const_srem foldbomb five) m);
 304   ignore (define_global "ConstFRem" (const_frem ffoldbomb ffive) m);
 305   ignore (define_global "ConstAnd" (const_and foldbomb five) m);
 306   ignore (define_global "ConstOr" (const_or foldbomb five) m);
 307   ignore (define_global "ConstXor" (const_xor foldbomb five) m);
 308   ignore (define_global "ConstICmp" (const_icmp Icmp.Sle foldbomb five) m);
 309   ignore (define_global "ConstFCmp" (const_fcmp Fcmp.Ole ffoldbomb ffive) m);
 310
 311   group "constant casts";
 312   (* RUN: grep {ConstTrunc.*trunc} < %t.ll
 313    * RUN: grep {ConstSExt.*sext} < %t.ll
 314    * RUN: grep {ConstZExt.*zext} < %t.ll
 315    * RUN: grep {ConstFPTrunc.*fptrunc} < %t.ll
 316    * RUN: grep {ConstFPExt.*fpext} < %t.ll
 317    * RUN: grep {ConstUIToFP.*uitofp} < %t.ll
 318    * RUN: grep {ConstSIToFP.*sitofp} < %t.ll
 319    * RUN: grep {ConstFPToUI.*fptoui} < %t.ll
 320    * RUN: grep {ConstFPToSI.*fptosi} < %t.ll
 321    * RUN: grep {ConstPtrToInt.*ptrtoint} < %t.ll
 322    * RUN: grep {ConstIntToPtr.*inttoptr} < %t.ll
 323    * RUN: grep {ConstBitCast.*bitcast} < %t.ll
 324    *)
 325   let i128_type = integer_type 128 in
 326   ignore (define_global "ConstTrunc" (const_trunc (const_add foldbomb five)
 327                                                i8_type) m);
 328   ignore (define_global "ConstSExt" (const_sext foldbomb i128_type) m);
 329   ignore (define_global "ConstZExt" (const_zext foldbomb i128_type) m);
 330   ignore (define_global "ConstFPTrunc" (const_fptrunc ffoldbomb float_type) m);
 331   ignore (define_global "ConstFPExt" (const_fpext ffoldbomb fp128_type) m);
 332   ignore (define_global "ConstUIToFP" (const_uitofp foldbomb double_type) m);
 333   ignore (define_global "ConstSIToFP" (const_sitofp foldbomb double_type) m);
 334   ignore (define_global "ConstFPToUI" (const_fptoui ffoldbomb i32_type) m);
 335   ignore (define_global "ConstFPToSI" (const_fptosi ffoldbomb i32_type) m);
 336   ignore (define_global "ConstPtrToInt" (const_ptrtoint
 337     (const_gep (const_null (pointer_type i8_type))
 338                [| const_int i32_type 1 |])
 339     i32_type) m);
 340   ignore (define_global "ConstIntToPtr" (const_inttoptr (const_add foldbomb five)
 341                                                   void_ptr) m);
 342   ignore (define_global "ConstBitCast" (const_bitcast ffoldbomb i64_type) m);
 343
 344   group "misc constants";
 345   (* RUN: grep {ConstSizeOf.*getelementptr.*null} < %t.ll
 346    * RUN: grep {ConstGEP.*getelementptr} < %t.ll
 347    * RUN: grep {ConstSelect.*select} < %t.ll
 348    * RUN: grep {ConstExtractElement.*extractelement} < %t.ll
 349    * RUN: grep {ConstInsertElement.*insertelement} < %t.ll
 350    * RUN: grep {ConstShuffleVector.*shufflevector} < %t.ll
 351    *)
 352   ignore (define_global "ConstSizeOf" (size_of (pointer_type i8_type)) m);
 353   ignore (define_global "ConstGEP" (const_gep foldbomb_gv [| five |]) m);
 354   ignore (define_global "ConstSelect" (const_select
 355     (const_icmp Icmp.Sle foldbomb five)
 356     (const_int i8_type (-1))
 357     (const_int i8_type 0)) m);
 358   let zero = const_int i32_type 0 in
 359   let one  = const_int i32_type 1 in
 360   ignore (define_global "ConstExtractElement" (const_extractelement
 361     (const_vector [| zero; one; zero; one |])
 362     (const_trunc foldbomb i32_type)) m);
 363   ignore (define_global "ConstInsertElement" (const_insertelement
 364     (const_vector [| zero; one; zero; one |])
 365     zero (const_trunc foldbomb i32_type)) m);
 366   ignore (define_global "ConstShuffleVector" (const_shufflevector
 367     (const_vector [| zero; one |])
 368     (const_vector [| one; zero |])
 369     (const_bitcast foldbomb (vector_type i32_type 2))) m)
 370
 371
 372 (*===-- Global Values -----------------------------------------------------===*)
 373
 374 let test_global_values () =
 375   let (++) x f = f x; x in
 376   let zero32 = const_null i32_type in
 377
 378   (* RUN: grep {GVal01} < %t.ll
 379    *)
 380   group "naming";
 381   let g = define_global "TEMPORARY" zero32 m in
 382   insist ("TEMPORARY" = value_name g);
 383   set_value_name "GVal01" g;
 384   insist ("GVal01" = value_name g);
 385
 386   (* RUN: grep {GVal02.*linkonce} < %t.ll
 387    *)
 388   group "linkage";
 389   let g = define_global "GVal02" zero32 m ++
 390           set_linkage Linkage.Link_once in
 391   insist (Linkage.Link_once = linkage g);
 392
 393   (* RUN: grep {GVal03.*Hanalei} < %t.ll
 394    *)
 395   group "section";
 396   let g = define_global "GVal03" zero32 m ++
 397           set_section "Hanalei" in
 398   insist ("Hanalei" = section g);
 399
 400   (* RUN: grep {GVal04.*hidden} < %t.ll
 401    *)
 402   group "visibility";
 403   let g = define_global "GVal04" zero32 m ++
 404           set_visibility Visibility.Hidden in
 405   insist (Visibility.Hidden = visibility g);
 406
 407   (* RUN: grep {GVal05.*align 128} < %t.ll
 408    *)
 409   group "alignment";
 410   let g = define_global "GVal05" zero32 m ++
 411           set_alignment 128 in
 412   insist (128 = alignment g)
 413
 414
 415 (*===-- Global Variables --------------------------------------------------===*)
 416
 417 let test_global_variables () =
 418   let (++) x f = f x; x in
 419   let fourty_two32 = const_int i32_type 42 in
 420
 421   (* RUN: grep {GVar01.*external} < %t.ll
 422    *)
 423   group "declarations";
 424   insist (None == lookup_global "GVar01" m);
 425   let g = declare_global i32_type "GVar01" m in
 426   insist (is_declaration g);
 427   insist (pointer_type float_type ==
 428             type_of (declare_global float_type "GVar01" m));
 429   insist (g == declare_global i32_type "GVar01" m);
 430   insist (match lookup_global "GVar01" m with Some x -> x = g
 431                                             | None -> false);
 432
 433   (* RUN: grep {GVar02.*42} < %t.ll
 434    * RUN: grep {GVar03.*42} < %t.ll
 435    *)
 436   group "definitions";
 437   let g = define_global "GVar02" fourty_two32 m in
 438   let g2 = declare_global i32_type "GVar03" m ++
 439            set_initializer fourty_two32 in
 440   insist (not (is_declaration g));
 441   insist (not (is_declaration g2));
 442   insist ((global_initializer g) == (global_initializer g2));
 443
 444   (* RUN: grep {GVar04.*thread_local} < %t.ll
 445    *)
 446   group "threadlocal";
 447   let g = define_global "GVar04" fourty_two32 m ++
 448           set_thread_local true in
 449   insist (is_thread_local g);
 450
 451   (* RUN: grep -v {GVar05} < %t.ll
 452    *)
 453   group "delete";
 454   let g = define_global "GVar05" fourty_two32 m in
 455   delete_global g;
 456
 457   (* RUN: grep -v {ConstGlobalVar.*constant} < %t.ll
 458    *)
 459   group "constant";
 460   let g = define_global "ConstGlobalVar" fourty_two32 m in
 461   insist (not (is_global_constant g));
 462   set_global_constant true g;
 463   insist (is_global_constant g)
 464
 465
 466 (*===-- Functions ---------------------------------------------------------===*)
 467
 468 let test_functions () =
 469   let ty = function_type i32_type [| i32_type; i64_type |] in
 470   let ty2 = function_type i8_type [| i8_type; i64_type |] in
 471
 472   (* RUN: grep {declare i32 @Fn1\(i32, i64\)} < %t.ll
 473    *)
 474   group "declare";
 475   insist (None = lookup_function "Fn1" m);
 476   let fn = declare_function "Fn1" ty m in
 477   insist (pointer_type ty = type_of fn);
 478   insist (is_declaration fn);
 479   insist (0 = Array.length (basic_blocks fn));
 480   insist (pointer_type ty2 == type_of (declare_function "Fn1" ty2 m));
 481   insist (fn == declare_function "Fn1" ty m);
 482   insist (None <> lookup_function "Fn1" m);
 483   insist (match lookup_function "Fn1" m with Some x -> x = fn
 484                                            | None -> false);
 485
 486   (* RUN: grep -v {Fn2} < %t.ll
 487    *)
 488   group "delete";
 489   let fn = declare_function "Fn2" ty m in
 490   delete_function fn;
 491
 492   (* RUN: grep {define.*Fn3} < %t.ll
 493    *)
 494   group "define";
 495   let fn = define_function "Fn3" ty m in
 496   insist (not (is_declaration fn));
 497   insist (1 = Array.length (basic_blocks fn));
 498   ignore (build_unreachable (builder_at_end (entry_block fn)));
 499
 500   (* RUN: grep {define.*Fn4.*Param1.*Param2} < %t.ll
 501    *)
 502   group "params";
 503   let fn = define_function "Fn4" ty m in
 504   let params = params fn in
 505   insist (2 = Array.length params);
 506   insist (params.(0) = param fn 0);
 507   insist (params.(1) = param fn 1);
 508   insist (i32_type = type_of params.(0));
 509   insist (i64_type = type_of params.(1));
 510   set_value_name "Param1" params.(0);
 511   set_value_name "Param2" params.(1);
 512   ignore (build_unreachable (builder_at_end (entry_block fn)));
 513
 514   (* RUN: grep {fastcc.*Fn5} < %t.ll
 515    *)
 516   group "callconv";
 517   let fn = define_function "Fn5" ty m in
 518   insist (CallConv.c = function_call_conv fn);
 519   set_function_call_conv CallConv.fast fn;
 520   insist (CallConv.fast = function_call_conv fn);
 521   ignore (build_unreachable (builder_at_end (entry_block fn)));
 522
 523   begin group "collector";
 524     (* RUN: grep {Fn6.*gc.*shadowstack} < %t.ll
 525      *)
 526     let fn = define_function "Fn6" ty m in
 527     insist (None = collector fn);
 528     set_collector (Some "ocaml") fn;
 529     insist (Some "ocaml" = collector fn);
 530     set_collector None fn;
 531     insist (None = collector fn);
 532     set_collector (Some "shadowstack") fn;
 533     ignore (build_unreachable (builder_at_end (entry_block fn)));
 534   end
 535
 536
 537 (*===-- Basic Blocks ------------------------------------------------------===*)
 538
 539 let test_basic_blocks () =
 540   let ty = function_type void_type [| |] in
 541
 542   (* RUN: grep {Bb1} < %t.ll
 543    *)
 544   group "entry";
 545   let fn = declare_function "X" ty m in
 546   let bb = append_block "Bb1" fn in
 547   insist (bb = entry_block fn);
 548   ignore (build_unreachable (builder_at_end bb));
 549
 550   (* RUN: grep -v Bb2 < %t.ll
 551    *)
 552   group "delete";
 553   let fn = declare_function "X2" ty m in
 554   let bb = append_block "Bb2" fn in
 555   delete_block bb;
 556
 557   group "insert";
 558   let fn = declare_function "X3" ty m in
 559   let bbb = append_block "b" fn in
 560   let bba = insert_block "a" bbb in
 561   insist ([| bba; bbb |] = basic_blocks fn);
 562   ignore (build_unreachable (builder_at_end bba));
 563   ignore (build_unreachable (builder_at_end bbb));
 564
 565   (* RUN: grep Bb3 < %t.ll
 566    *)
 567   group "name/value";
 568   let fn = define_function "X4" ty m in
 569   let bb = entry_block fn in
 570   ignore (build_unreachable (builder_at_end bb));
 571   let bbv = value_of_block bb in
 572   set_value_name "Bb3" bbv;
 573   insist ("Bb3" = value_name bbv);
 574
 575   group "casts";
 576   let fn = define_function "X5" ty m in
 577   let bb = entry_block fn in
 578   ignore (build_unreachable (builder_at_end bb));
 579   insist (bb = block_of_value (value_of_block bb));
 580   insist (value_is_block (value_of_block bb));
 581   insist (not (value_is_block (const_null i32_type)))
 582
 583
 584 (*===-- Builder -----------------------------------------------------------===*)
 585
 586 let test_builder () =
 587   let (++) x f = f x; x in
 588
 589   group "ret void";
 590   begin
 591     (* RUN: grep {ret void} < %t.ll
 592      *)
 593     let fty = function_type void_type [| |] in
 594     let fn = declare_function "X6" fty m in
 595     let b = builder_at_end (append_block "Bb01" fn) in
 596     ignore (build_ret_void b)
 597   end;
 598
 599   (* The rest of the tests will use one big function. *)
 600   let fty = function_type i32_type [| i32_type; i32_type |] in
 601   let fn = define_function "X7" fty m in
 602   let atentry = builder_at_end (entry_block fn) in
 603   let p1 = param fn 0 ++ set_value_name "P1" in
 604   let p2 = param fn 1 ++ set_value_name "P2" in
 605   let f1 = build_uitofp p1 float_type "F1" atentry in
 606   let f2 = build_uitofp p2 float_type "F2" atentry in
 607
 608   let bb00 = append_block "Bb00" fn in
 609   ignore (build_unreachable (builder_at_end bb00));
 610
 611   group "ret"; begin
 612     (* RUN: grep {ret.*P1} < %t.ll
 613      *)
 614     let ret = build_ret p1 atentry in
 615     position_before ret atentry
 616   end;
 617
 618   group "br"; begin
 619     (* RUN: grep {br.*Bb02} < %t.ll
 620      *)
 621     let bb02 = append_block "Bb02" fn in
 622     let b = builder_at_end bb02 in
 623     ignore (build_br bb02 b)
 624   end;
 625
 626   group "cond_br"; begin
 627     (* RUN: grep {br.*Inst01.*Bb03.*Bb00} < %t.ll
 628      *)
 629     let bb03 = append_block "Bb03" fn in
 630     let b = builder_at_end bb03 in
 631     let cond = build_trunc p1 i1_type "Inst01" b in
 632     ignore (build_cond_br cond bb03 bb00 b)
 633   end;
 634
 635   (* TODO: Switch *)
 636
 637   group "invoke"; begin
 638     (* RUN: grep {Inst02.*invoke.*P1.*P2} < %t.ll
 639      * RUN: grep {to.*Bb04.*unwind.*Bb00} < %t.ll
 640      *)
 641     let bb04 = append_block "Bb04" fn in
 642     let b = builder_at_end bb04 in
 643     ignore (build_invoke fn [| p1; p2 |] bb04 bb00 "Inst02" b)
 644   end;
 645
 646   group "unwind"; begin
 647     (* RUN: grep {unwind} < %t.ll
 648      *)
 649     let bb05 = append_block "Bb05" fn in
 650     let b = builder_at_end bb05 in
 651     ignore (build_unwind b)
 652   end;
 653
 654   group "unreachable"; begin
 655     (* RUN: grep {unreachable} < %t.ll
 656      *)
 657     let bb06 = append_block "Bb06" fn in
 658     let b = builder_at_end bb06 in
 659     ignore (build_unreachable b)
 660   end;
 661
 662   group "arithmetic"; begin
 663     let bb07 = append_block "Bb07" fn in
 664     let b = builder_at_end bb07 in
 665
 666     (* RUN: grep {Inst03.*add.*P1.*P2} < %t.ll
 667      * RUN: grep {Inst04.*sub.*P1.*Inst03} < %t.ll
 668      * RUN: grep {Inst05.*mul.*P1.*Inst04} < %t.ll
 669      * RUN: grep {Inst06.*udiv.*P1.*Inst05} < %t.ll
 670      * RUN: grep {Inst07.*sdiv.*P1.*Inst06} < %t.ll
 671      * RUN: grep {Inst08.*fdiv.*F1.*F2} < %t.ll
 672      * RUN: grep {Inst09.*urem.*P1.*Inst07} < %t.ll
 673      * RUN: grep {Inst10.*srem.*P1.*Inst09} < %t.ll
 674      * RUN: grep {Inst11.*frem.*F1.*Inst08} < %t.ll
 675      * RUN: grep {Inst12.*shl.*P1.*Inst10} < %t.ll
 676      * RUN: grep {Inst13.*lshr.*P1.*Inst12} < %t.ll
 677      * RUN: grep {Inst14.*ashr.*P1.*Inst13} < %t.ll
 678      * RUN: grep {Inst15.*and.*P1.*Inst14} < %t.ll
 679      * RUN: grep {Inst16.*or.*P1.*Inst15} < %t.ll
 680      * RUN: grep {Inst17.*xor.*P1.*Inst16} < %t.ll
 681      * RUN: grep {Inst18.*sub.*0.*Inst17} < %t.ll
 682      * RUN: grep {Inst19.*xor.*Inst18.*-1} < %t.ll
 683      *)
 684     let inst03 = build_add  p1 p2     "Inst03" b in
 685     let inst04 = build_sub  p1 inst03 "Inst04" b in
 686     let inst05 = build_mul  p1 inst04 "Inst05" b in
 687     let inst06 = build_udiv p1 inst05 "Inst06" b in
 688     let inst07 = build_sdiv p1 inst06 "Inst07" b in
 689     let inst08 = build_fdiv f1 f2     "Inst08" b in
 690     let inst09 = build_urem p1 inst07 "Inst09" b in
 691     let inst10 = build_srem p1 inst09 "Inst10" b in
 692           ignore(build_frem f1 inst08 "Inst11" b);
 693     let inst12 = build_shl  p1 inst10 "Inst12" b in
 694     let inst13 = build_lshr p1 inst12 "Inst13" b in
 695     let inst14 = build_ashr p1 inst13 "Inst14" b in
 696     let inst15 = build_and  p1 inst14 "Inst15" b in
 697     let inst16 = build_or   p1 inst15 "Inst16" b in
 698     let inst17 = build_xor  p1 inst16 "Inst17" b in
 699     let inst18 = build_neg  inst17    "Inst18" b in
 700          ignore (build_not  inst18    "Inst19" b);
 701          ignore (build_unreachable b)
 702   end;
 703
 704   group "memory"; begin
 705     let bb08 = append_block "Bb08" fn in
 706     let b = builder_at_end bb08 in
 707
 708     (* RUN: grep {Inst20.*malloc.*i8    } < %t.ll
 709      * RUN: grep {Inst21.*malloc.*i8.*P1} < %t.ll
 710      * RUN: grep {Inst22.*alloca.*i32   } < %t.ll
 711      * RUN: grep {Inst23.*alloca.*i32.*P2} < %t.ll
 712      * RUN: grep {free.*Inst20} < %t.ll
 713      * RUN: grep {Inst25.*load.*Inst21} < %t.ll
 714      * RUN: grep {store.*P2.*Inst22} < %t.ll
 715      * RUN: grep {Inst27.*getelementptr.*Inst23.*P2} < %t.ll
 716      *)
 717     let inst20 = build_malloc i8_type "Inst20" b in
 718     let inst21 = build_array_malloc i8_type p1 "Inst21" b in
 719     let inst22 = build_alloca i32_type "Inst22" b in
 720     let inst23 = build_array_alloca i32_type p2 "Inst23" b in
 721           ignore(build_free inst20 b);
 722           ignore(build_load inst21 "Inst25" b);
 723           ignore(build_store p2 inst22 b);
 724           ignore(build_gep inst23 [| p2 |] "Inst27" b);
 725           ignore(build_unreachable b)
 726   end;
 727
 728   group "casts"; begin
 729     let void_ptr = pointer_type i8_type in
 730
 731     (* RUN: grep {Inst28.*trunc.*P1.*i8} < %t.ll
 732      * RUN: grep {Inst29.*zext.*Inst28.*i32} < %t.ll
 733      * RUN: grep {Inst30.*sext.*Inst29.*i64} < %t.ll
 734      * RUN: grep {Inst31.*uitofp.*Inst30.*float} < %t.ll
 735      * RUN: grep {Inst32.*sitofp.*Inst29.*double} < %t.ll
 736      * RUN: grep {Inst33.*fptoui.*Inst31.*i32} < %t.ll
 737      * RUN: grep {Inst34.*fptosi.*Inst32.*i64} < %t.ll
 738      * RUN: grep {Inst35.*fptrunc.*Inst32.*float} < %t.ll
 739      * RUN: grep {Inst36.*fpext.*Inst35.*double} < %t.ll
 740      * RUN: grep {Inst37.*inttoptr.*P1.*i8\*} < %t.ll
 741      * RUN: grep {Inst38.*ptrtoint.*Inst37.*i64} < %t.ll
 742      * RUN: grep {Inst39.*bitcast.*Inst38.*double} < %t.ll
 743      *)
 744     let inst28 = build_trunc p1 i8_type "Inst28" atentry in
 745     let inst29 = build_zext inst28 i32_type "Inst29" atentry in
 746     let inst30 = build_sext inst29 i64_type "Inst30" atentry in
 747     let inst31 = build_uitofp inst30 float_type "Inst31" atentry in
 748     let inst32 = build_sitofp inst29 double_type "Inst32" atentry in
 749           ignore(build_fptoui inst31 i32_type "Inst33" atentry);
 750           ignore(build_fptosi inst32 i64_type "Inst34" atentry);
 751     let inst35 = build_fptrunc inst32 float_type "Inst35" atentry in
 752           ignore(build_fpext inst35 double_type "Inst36" atentry);
 753     let inst37 = build_inttoptr p1 void_ptr "Inst37" atentry in
 754     let inst38 = build_ptrtoint inst37 i64_type "Inst38" atentry in
 755           ignore(build_bitcast inst38 double_type "Inst39" atentry)
 756   end;
 757
 758   group "comparisons"; begin
 759     (* RUN: grep {Inst40.*icmp.*ne.*P1.*P2} < %t.ll
 760      * RUN: grep {Inst41.*icmp.*sle.*P2.*P1} < %t.ll
 761      * RUN: grep {Inst42.*fcmp.*false.*F1.*F2} < %t.ll
 762      * RUN: grep {Inst43.*fcmp.*true.*F2.*F1} < %t.ll
 763      *)
 764     ignore (build_icmp Icmp.Ne    p1 p2 "Inst40" atentry);
 765     ignore (build_icmp Icmp.Sle   p2 p1 "Inst41" atentry);
 766     ignore (build_fcmp Fcmp.False f1 f2 "Inst42" atentry);
 767     ignore (build_fcmp Fcmp.True  f2 f1 "Inst43" atentry)
 768   end;
 769
 770   group "miscellaneous"; begin
 771     (* RUN: grep {CallInst.*call.*P2.*P1} < %t.ll
 772      * RUN: grep {CallInst.*cc63} < %t.ll
 773      * RUN: grep {Inst47.*select.*Inst46.*P1.*P2} < %t.ll
 774      * RUN: grep {Inst48.*va_arg.*null.*i32} < %t.ll
 775      * RUN: grep {Inst49.*extractelement.*Vec1.*P2} < %t.ll
 776      * RUN: grep {Inst50.*insertelement.*Vec1.*P1.*P2} < %t.ll
 777      * RUN: grep {Inst51.*shufflevector.*Vec1.*Vec2.*1.*1.*0.*0} < %t.ll
 778      *)
 779     let ci = build_call fn [| p2; p1 |] "CallInst" atentry in
 780     insist (CallConv.c = instruction_call_conv ci);
 781     set_instruction_call_conv 63 ci;
 782     insist (63 = instruction_call_conv ci);
 783
 784     let inst46 = build_icmp Icmp.Eq p1 p2 "Inst46" atentry in
 785          ignore (build_select inst46 p1 p2 "Inst47" atentry);
 786          ignore (build_va_arg
 787                   (const_null (pointer_type (pointer_type i8_type)))
 788                   i32_type "Inst48" atentry);
 789
 790     (* Set up some vector vregs. *)
 791     let one  = const_int i32_type 1 in
 792     let zero = const_int i32_type 0 in
 793     let t1 = const_vector [| one; zero; one; zero |] in
 794     let t2 = const_vector [| zero; one; zero; one |] in
 795     let t3 = const_vector [| one; one; zero; zero |] in
 796     let vec1 = build_insertelement t1 p1 p2 "Vec1" atentry in
 797     let vec2 = build_insertelement t2 p1 p2 "Vec2" atentry in
 798
 799     ignore (build_extractelement vec1 p2 "Inst49" atentry);
 800     ignore (build_insertelement vec1 p1 p2 "Inst50" atentry);
 801     ignore (build_shufflevector vec1 vec2 t3 "Inst51" atentry);
 802   end;
 803
 804   group "phi"; begin
 805     (* RUN: grep {PhiNode.*P1.*PhiBlock1.*P2.*PhiBlock2} < %t.ll
 806      *)
 807     let b1 = append_block "PhiBlock1" fn in
 808     let b2 = append_block "PhiBlock2" fn in
 809
 810     let jb = append_block "PhiJoinBlock" fn in
 811     ignore (build_br jb (builder_at_end b1));
 812     ignore (build_br jb (builder_at_end b2));
 813     let at_jb = builder_at_end jb in
 814
 815     let phi = build_phi [(p1, b1)] "PhiNode" at_jb in
 816     insist ([(p1, b1)] = incoming phi);
 817
 818     add_incoming (p2, b2) phi;
 819     insist ([(p1, b1); (p2, b2)] = incoming phi);
 820
 821     ignore (build_unreachable at_jb);
 822   end
 823
 824
 825 (*===-- Module Provider ---------------------------------------------------===*)
 826
 827 let test_module_provider () =
 828   let m = create_module "test" in
 829   let mp = ModuleProvider.create m in
 830   ModuleProvider.dispose mp
 831
 832
 833 (*===-- Writer ------------------------------------------------------------===*)
 834
 835 let test_writer () =
 836   group "valid";
 837   insist (match Llvm_analysis.verify_module m with
 838           | None -> true
 839           | Some msg -> prerr_string msg; false);
 840
 841   group "writer";
 842   insist (write_bitcode_file m filename);
 843
 844   dispose_module m
 845
 846
 847 (*===-- Driver ------------------------------------------------------------===*)
 848
 849 let _ =
 850   suite "target"           test_target;
 851   suite "types"            test_types;
 852   suite "constants"        test_constants;
 853   suite "global values"    test_global_values;
 854   suite "global variables" test_global_variables;
 855   suite "functions"        test_functions;
 856   suite "basic blocks"     test_basic_blocks;
 857   suite "builder"          test_builder;
 858   suite "module provider"  test_module_provider;
 859   suite "writer"           test_writer;
 860   exit !exit_status