source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Bindings/OCaml/core.ml @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

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1(* RUN: cp %s %T/core.ml
2 * RUN: %ocamlc -g -w +A -package llvm.analysis -package llvm.bitwriter -linkpkg %T/core.ml -o %t
3 * RUN: %t %t.bc
4 * RUN: %ocamlopt -g -w +A -package llvm.analysis -package llvm.bitwriter -linkpkg %T/core.ml -o %t
5 * RUN: %t %t.bc
6 * RUN: llvm-dis < %t.bc > %t.ll
7 * RUN: FileCheck %s < %t.ll
8 * Do a second pass for things that shouldn't be anywhere.
9 * RUN: FileCheck -check-prefix=CHECK-NOWHERE %s < %t.ll
10 * XFAIL: vg_leak
11 *)
12
13(* Note: It takes several seconds for ocamlopt to link an executable with
14         libLLVMCore.a, so it's better to write a big test than a bunch of
15         little ones. *)
16
17open Llvm
18open Llvm_bitwriter
19
20
21(* Tiny unit test framework - really just to help find which line is busted *)
22let exit_status = ref 0
23let suite_name = ref ""
24let group_name = ref ""
25let case_num = ref 0
26let print_checkpoints = false
27let context = global_context ()
28let i1_type = Llvm.i1_type context
29let i8_type = Llvm.i8_type context
30let i16_type = Llvm.i16_type context
31let i32_type = Llvm.i32_type context
32let i64_type = Llvm.i64_type context
33let void_type = Llvm.void_type context
34let float_type = Llvm.float_type context
35let double_type = Llvm.double_type context
36let fp128_type = Llvm.fp128_type context
37
38let group name =
39  group_name := !suite_name ^ "/" ^ name;
40  case_num := 0;
41  if print_checkpoints then
42    prerr_endline ("  " ^ name ^ "...")
43
44let insist cond =
45  incr case_num;
46  if not cond then
47    exit_status := 10;
48  match print_checkpoints, cond with
49  | false, true -> ()
50  | false, false ->
51      prerr_endline ("FAILED: " ^ !suite_name ^ "/" ^ !group_name ^ " #" ^ (string_of_int !case_num))
52  | true, true ->
53      prerr_endline ("    " ^ (string_of_int !case_num))
54  | true, false ->
55      prerr_endline ("    " ^ (string_of_int !case_num) ^ " FAIL")
56
57let suite name f =
58  suite_name := name;
59  if print_checkpoints then
60    prerr_endline (name ^ ":");
61  f ()
62
63
64(*===-- Fixture -----------------------------------------------------------===*)
65
66let filename = Sys.argv.(1)
67let m = create_module context filename
68
69
70(*===-- Conversion --------------------------------------------------------===*)
71
72let test_conversion () =
73  insist ("i32" = (string_of_lltype i32_type));
74  let c = const_int i32_type 42 in
75  insist ("i32 42" = (string_of_llvalue c))
76
77
78(*===-- Target ------------------------------------------------------------===*)
79
80let test_target () =
81  begin group "triple";
82    let trip = "i686-apple-darwin8" in
83    set_target_triple trip m;
84    insist (trip = target_triple m)
85  end;
86
87  begin group "layout";
88    let layout = "e" in
89    set_data_layout layout m;
90    insist (layout = data_layout m)
91  end
92  (* CHECK: target datalayout = "e"
93   * CHECK: target triple = "i686-apple-darwin8"
94   *)
95
96
97(*===-- Constants ---------------------------------------------------------===*)
98
99let test_constants () =
100  (* CHECK: const_int{{.*}}i32{{.*}}-1
101   *)
102  group "int";
103  let c = const_int i32_type (-1) in
104  ignore (define_global "const_int" c m);
105  insist (i32_type = type_of c);
106  insist (is_constant c);
107  insist (Some (-1L) = int64_of_const c);
108
109  (* CHECK: const_sext_int{{.*}}i64{{.*}}-1
110   *)
111  group "sext int";
112  let c = const_int i64_type (-1) in
113  ignore (define_global "const_sext_int" c m);
114  insist (i64_type = type_of c);
115  insist (Some (-1L) = int64_of_const c);
116
117  (* CHECK: const_zext_int64{{.*}}i64{{.*}}4294967295
118   *)
119  group "zext int64";
120  let c = const_of_int64 i64_type (Int64.of_string "4294967295") false in
121  ignore (define_global "const_zext_int64" c m);
122  insist (i64_type = type_of c);
123  insist (Some 4294967295L = int64_of_const c);
124
125  (* CHECK: const_int_string{{.*}}i32{{.*}}-1
126   *)
127  group "int string";
128  let c = const_int_of_string i32_type "-1" 10 in
129  ignore (define_global "const_int_string" c m);
130  insist (i32_type = type_of c);
131  insist (None = (string_of_const c));
132  insist (None = float_of_const c);
133  insist (Some (-1L) = int64_of_const c);
134
135  (* CHECK: const_int64{{.*}}i64{{.*}}9223372036854775807
136   *)
137  group "max int64";
138  let c = const_of_int64 i64_type 9223372036854775807L true in
139  ignore (define_global "const_int64" c m) ;
140  insist (i64_type = type_of c);
141  insist (Some 9223372036854775807L = int64_of_const c);
142
143  if Sys.word_size = 64; then begin
144    group "long int";
145    let c = const_int i64_type (1 lsl 61) in
146    insist (c = const_of_int64 i64_type (Int64.of_int (1 lsl 61)) false)
147  end;
148
149  (* CHECK: @const_string = global {{.*}}c"cruel\00world"
150   *)
151  group "string";
152  let c = const_string context "cruel\000world" in
153  ignore (define_global "const_string" c m);
154  insist ((array_type i8_type 11) = type_of c);
155  insist ((Some "cruel\000world") = (string_of_const c));
156
157  (* CHECK: const_stringz{{.*}}"hi\00again\00"
158   *)
159  group "stringz";
160  let c = const_stringz context "hi\000again" in
161  ignore (define_global "const_stringz" c m);
162  insist ((array_type i8_type 9) = type_of c);
163
164  (* CHECK: const_single{{.*}}2.75
165   * CHECK: const_double{{.*}}3.1459
166   * CHECK: const_double_string{{.*}}2
167   * CHECK: const_fake_fp128{{.*}}0xL00000000000000004000000000000000
168   * CHECK: const_fp128_string{{.*}}0xLF3CB1CCF26FBC178452FB4EC7F91973F
169   *)
170  begin group "real";
171    let cs = const_float float_type 2.75 in
172    ignore (define_global "const_single" cs m);
173    insist (float_type = type_of cs);
174    insist (float_of_const cs = Some 2.75);
175
176    let cd = const_float double_type 3.1459 in
177    ignore (define_global "const_double" cd m);
178    insist (double_type = type_of cd);
179    insist (float_of_const cd = Some 3.1459);
180
181    let cd = const_float_of_string double_type "2" in
182    ignore (define_global "const_double_string" cd m);
183    insist (double_type = type_of cd);
184    insist (float_of_const cd = Some 2.);
185
186    let cd = const_float fp128_type 2. in
187    ignore (define_global "const_fake_fp128" cd m);
188    insist (fp128_type = type_of cd);
189    insist (float_of_const cd = Some 2.);
190
191    let cd = const_float_of_string fp128_type "1e400" in
192    ignore (define_global "const_fp128_string" cd m);
193    insist (fp128_type = type_of cd);
194    insist (float_of_const cd = None);
195  end;
196
197  let one = const_int i16_type 1 in
198  let two = const_int i16_type 2 in
199  let three = const_int i32_type 3 in
200  let four = const_int i32_type 4 in
201
202  (* CHECK: const_array{{.*}}[i32 3, i32 4]
203   *)
204  group "array";
205  let c = const_array i32_type [| three; four |] in
206  ignore (define_global "const_array" c m);
207  insist ((array_type i32_type 2) = (type_of c));
208  insist (three = (const_element c 0));
209  insist (four = (const_element c 1));
210
211  (* CHECK: const_vector{{.*}}<i16 1, i16 2{{.*}}>
212   *)
213  group "vector";
214  let c = const_vector [| one; two; one; two;
215                          one; two; one; two |] in
216  ignore (define_global "const_vector" c m);
217  insist ((vector_type i16_type 8) = (type_of c));
218
219  (* CHECK: const_structure{{.*.}}i16 1, i16 2, i32 3, i32 4
220   *)
221  group "structure";
222  let c = const_struct context [| one; two; three; four |] in
223  ignore (define_global "const_structure" c m);
224  insist ((struct_type context [| i16_type; i16_type; i32_type; i32_type |])
225        = (type_of c));
226
227  (* CHECK: const_null{{.*}}zeroinit
228   *)
229  group "null";
230  let c = const_null (packed_struct_type context [| i1_type; i8_type; i64_type;
231                                                    double_type |]) in
232  ignore (define_global "const_null" c m);
233
234  (* CHECK: const_all_ones{{.*}}-1
235   *)
236  group "all ones";
237  let c = const_all_ones i64_type in
238  ignore (define_global "const_all_ones" c m);
239
240  group "pointer null"; begin
241    (* CHECK: const_pointer_null = global i64* null
242     *)
243    let c = const_pointer_null (pointer_type i64_type) in
244    ignore (define_global "const_pointer_null" c m);
245  end;
246
247  (* CHECK: const_undef{{.*}}undef
248   *)
249  group "undef";
250  let c = undef i1_type in
251  ignore (define_global "const_undef" c m);
252  insist (i1_type = type_of c);
253  insist (is_undef c);
254
255  group "constant arithmetic";
256  (* CHECK: @const_neg = global i64 sub
257   * CHECK: @const_nsw_neg = global i64 sub nsw
258   * CHECK: @const_nuw_neg = global i64 sub nuw
259   * CHECK: @const_fneg = global double fsub
260   * CHECK: @const_not = global i64 xor
261   * CHECK: @const_add = global i64 add
262   * CHECK: @const_nsw_add = global i64 add nsw
263   * CHECK: @const_nuw_add = global i64 add nuw
264   * CHECK: @const_fadd = global double fadd
265   * CHECK: @const_sub = global i64 sub
266   * CHECK: @const_nsw_sub = global i64 sub nsw
267   * CHECK: @const_nuw_sub = global i64 sub nuw
268   * CHECK: @const_fsub = global double fsub
269   * CHECK: @const_mul = global i64 mul
270   * CHECK: @const_nsw_mul = global i64 mul nsw
271   * CHECK: @const_nuw_mul = global i64 mul nuw
272   * CHECK: @const_fmul = global double fmul
273   * CHECK: @const_udiv = global i64 udiv
274   * CHECK: @const_sdiv = global i64 sdiv
275   * CHECK: @const_exact_sdiv = global i64 sdiv exact
276   * CHECK: @const_fdiv = global double fdiv
277   * CHECK: @const_urem = global i64 urem
278   * CHECK: @const_srem = global i64 srem
279   * CHECK: @const_frem = global double frem
280   * CHECK: @const_and = global i64 and
281   * CHECK: @const_or = global i64 or
282   * CHECK: @const_xor = global i64 xor
283   * CHECK: @const_icmp = global i1 icmp sle
284   * CHECK: @const_fcmp = global i1 fcmp ole
285   *)
286  let void_ptr = pointer_type i8_type in
287  let five = const_int i64_type 5 in
288  let ffive = const_uitofp five double_type in
289  let foldbomb_gv = define_global "FoldBomb" (const_null i8_type) m in
290  let foldbomb = const_ptrtoint foldbomb_gv i64_type in
291  let ffoldbomb = const_uitofp foldbomb double_type in
292  ignore (define_global "const_neg" (const_neg foldbomb) m);
293  ignore (define_global "const_nsw_neg" (const_nsw_neg foldbomb) m);
294  ignore (define_global "const_nuw_neg" (const_nuw_neg foldbomb) m);
295  ignore (define_global "const_fneg" (const_fneg ffoldbomb) m);
296  ignore (define_global "const_not" (const_not foldbomb) m);
297  ignore (define_global "const_add" (const_add foldbomb five) m);
298  ignore (define_global "const_nsw_add" (const_nsw_add foldbomb five) m);
299  ignore (define_global "const_nuw_add" (const_nuw_add foldbomb five) m);
300  ignore (define_global "const_fadd" (const_fadd ffoldbomb ffive) m);
301  ignore (define_global "const_sub" (const_sub foldbomb five) m);
302  ignore (define_global "const_nsw_sub" (const_nsw_sub foldbomb five) m);
303  ignore (define_global "const_nuw_sub" (const_nuw_sub foldbomb five) m);
304  ignore (define_global "const_fsub" (const_fsub ffoldbomb ffive) m);
305  ignore (define_global "const_mul" (const_mul foldbomb five) m);
306  ignore (define_global "const_nsw_mul" (const_nsw_mul foldbomb five) m);
307  ignore (define_global "const_nuw_mul" (const_nuw_mul foldbomb five) m);
308  ignore (define_global "const_fmul" (const_fmul ffoldbomb ffive) m);
309  ignore (define_global "const_udiv" (const_udiv foldbomb five) m);
310  ignore (define_global "const_sdiv" (const_sdiv foldbomb five) m);
311  ignore (define_global "const_exact_sdiv" (const_exact_sdiv foldbomb five) m);
312  ignore (define_global "const_fdiv" (const_fdiv ffoldbomb ffive) m);
313  ignore (define_global "const_urem" (const_urem foldbomb five) m);
314  ignore (define_global "const_srem" (const_srem foldbomb five) m);
315  ignore (define_global "const_frem" (const_frem ffoldbomb ffive) m);
316  ignore (define_global "const_and" (const_and foldbomb five) m);
317  ignore (define_global "const_or" (const_or foldbomb five) m);
318  ignore (define_global "const_xor" (const_xor foldbomb five) m);
319  ignore (define_global "const_icmp" (const_icmp Icmp.Sle foldbomb five) m);
320  ignore (define_global "const_fcmp" (const_fcmp Fcmp.Ole ffoldbomb ffive) m);
321
322  group "constant casts";
323  (* CHECK: const_trunc{{.*}}trunc
324   * CHECK: const_sext{{.*}}sext
325   * CHECK: const_zext{{.*}}zext
326   * CHECK: const_fptrunc{{.*}}fptrunc
327   * CHECK: const_fpext{{.*}}fpext
328   * CHECK: const_uitofp{{.*}}uitofp
329   * CHECK: const_sitofp{{.*}}sitofp
330   * CHECK: const_fptoui{{.*}}fptoui
331   * CHECK: const_fptosi{{.*}}fptosi
332   * CHECK: const_ptrtoint{{.*}}ptrtoint
333   * CHECK: const_inttoptr{{.*}}inttoptr
334   * CHECK: const_bitcast{{.*}}bitcast
335   * CHECK: const_intcast{{.*}}zext
336   *)
337  let i128_type = integer_type context 128 in
338  ignore (define_global "const_trunc" (const_trunc (const_add foldbomb five)
339                                               i8_type) m);
340  ignore (define_global "const_sext" (const_sext foldbomb i128_type) m);
341  ignore (define_global "const_zext" (const_zext foldbomb i128_type) m);
342  ignore (define_global "const_fptrunc" (const_fptrunc ffoldbomb float_type) m);
343  ignore (define_global "const_fpext" (const_fpext ffoldbomb fp128_type) m);
344  ignore (define_global "const_uitofp" (const_uitofp foldbomb double_type) m);
345  ignore (define_global "const_sitofp" (const_sitofp foldbomb double_type) m);
346  ignore (define_global "const_fptoui" (const_fptoui ffoldbomb i32_type) m);
347  ignore (define_global "const_fptosi" (const_fptosi ffoldbomb i32_type) m);
348  ignore (define_global "const_ptrtoint" (const_ptrtoint
349    (const_gep (const_null (pointer_type i8_type))
350               [| const_int i32_type 1 |])
351    i32_type) m);
352  ignore (define_global "const_inttoptr" (const_inttoptr (const_add foldbomb five)
353                                                  void_ptr) m);
354  ignore (define_global "const_bitcast" (const_bitcast ffoldbomb i64_type) m);
355  ignore (define_global "const_intcast"
356          (const_intcast foldbomb i128_type ~is_signed:false) m);
357
358  group "misc constants";
359  (* CHECK: const_size_of{{.*}}getelementptr{{.*}}null
360   * CHECK: const_gep{{.*}}getelementptr
361   * CHECK: const_select{{.*}}select
362   * CHECK: const_extractelement{{.*}}extractelement
363   * CHECK: const_insertelement{{.*}}insertelement
364   * CHECK: const_shufflevector = global <4 x i32> <i32 0, i32 1, i32 1, i32 0>
365   *)
366  ignore (define_global "const_size_of" (size_of (pointer_type i8_type)) m);
367  ignore (define_global "const_gep" (const_gep foldbomb_gv [| five |]) m);
368  ignore (define_global "const_select" (const_select
369    (const_icmp Icmp.Sle foldbomb five)
370    (const_int i8_type (-1))
371    (const_int i8_type 0)) m);
372  let zero = const_int i32_type 0 in
373  let one  = const_int i32_type 1 in
374  ignore (define_global "const_extractelement" (const_extractelement
375    (const_vector [| zero; one; zero; one |])
376    (const_trunc foldbomb i32_type)) m);
377  ignore (define_global "const_insertelement" (const_insertelement
378    (const_vector [| zero; one; zero; one |])
379    zero (const_trunc foldbomb i32_type)) m);
380  ignore (define_global "const_shufflevector" (const_shufflevector
381    (const_vector [| zero; one |])
382    (const_vector [| one; zero |])
383    (const_vector [| const_int i32_type 0; const_int i32_type 1;
384                     const_int i32_type 2; const_int i32_type 3 |])) m);
385
386  group "asm"; begin
387    let ft = function_type void_type [| i32_type; i32_type; i32_type |] in
388    ignore (const_inline_asm
389      ft
390      ""
391      "{cx},{ax},{di},~{dirflag},~{fpsr},~{flags},~{edi},~{ecx}"
392      true
393      false)
394  end;
395
396  group "recursive struct"; begin
397      let nsty = named_struct_type context "rec" in
398      let pty = pointer_type nsty in
399      struct_set_body nsty [| i32_type; pty |] false;
400      let elts = [| const_int i32_type 4; const_pointer_null pty |] in
401      let grec_init = const_named_struct nsty elts in
402      ignore (define_global "grec" grec_init m);
403      ignore (string_of_lltype nsty);
404  end
405
406
407(*===-- Global Values -----------------------------------------------------===*)
408
409let test_global_values () =
410  let (++) x f = f x; x in
411  let zero32 = const_null i32_type in
412
413  (* CHECK: GVal01
414   *)
415  group "naming";
416  let g = define_global "TEMPORARY" zero32 m in
417  insist ("TEMPORARY" = value_name g);
418  set_value_name "GVal01" g;
419  insist ("GVal01" = value_name g);
420
421  (* CHECK: GVal02{{.*}}linkonce
422   *)
423  group "linkage";
424  let g = define_global "GVal02" zero32 m ++
425          set_linkage Linkage.Link_once in
426  insist (Linkage.Link_once = linkage g);
427
428  (* CHECK: GVal03{{.*}}Hanalei
429   *)
430  group "section";
431  let g = define_global "GVal03" zero32 m ++
432          set_section "Hanalei" in
433  insist ("Hanalei" = section g);
434
435  (* CHECK: GVal04{{.*}}hidden
436   *)
437  group "visibility";
438  let g = define_global "GVal04" zero32 m ++
439          set_visibility Visibility.Hidden in
440  insist (Visibility.Hidden = visibility g);
441
442  (* CHECK: GVal05{{.*}}align 128
443   *)
444  group "alignment";
445  let g = define_global "GVal05" zero32 m ++
446          set_alignment 128 in
447  insist (128 = alignment g);
448
449  (* CHECK: GVal06{{.*}}dllexport
450   *)
451  group "dll_storage_class";
452  let g = define_global "GVal06" zero32 m ++
453          set_dll_storage_class DLLStorageClass.DLLExport in
454  insist (DLLStorageClass.DLLExport = dll_storage_class g)
455
456
457(*===-- Global Variables --------------------------------------------------===*)
458
459let test_global_variables () =
460  let (++) x f = f x; x in
461  let forty_two32 = const_int i32_type 42 in
462
463  group "declarations"; begin
464    (* CHECK: @GVar01 = external global i32
465     * CHECK: @QGVar01 = external addrspace(3) global i32
466     *)
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    insist (None == lookup_global "QGVar01" m);
477    let g = declare_qualified_global i32_type "QGVar01" 3 m in
478    insist (is_declaration g);
479    insist (qualified_pointer_type float_type 3 ==
480              type_of (declare_qualified_global float_type "QGVar01" 3 m));
481    insist (g == declare_qualified_global i32_type "QGVar01" 3 m);
482    insist (match lookup_global "QGVar01" m with Some x -> x = g
483                                              | None -> false);
484  end;
485
486  group "definitions"; begin
487    (* CHECK: @GVar02 = global i32 42
488     * CHECK: @GVar03 = global i32 42
489     * CHECK: @QGVar02 = addrspace(3) global i32 42
490     * CHECK: @QGVar03 = addrspace(3) global i32 42
491     *)
492    let g = define_global "GVar02" forty_two32 m in
493    let g2 = declare_global i32_type "GVar03" m ++
494           set_initializer forty_two32 in
495    insist (not (is_declaration g));
496    insist (not (is_declaration g2));
497    insist ((global_initializer g) == (global_initializer g2));
498
499    let g = define_qualified_global "QGVar02" forty_two32 3 m in
500    let g2 = declare_qualified_global i32_type "QGVar03" 3 m ++
501           set_initializer forty_two32 in
502    insist (not (is_declaration g));
503    insist (not (is_declaration g2));
504    insist ((global_initializer g) == (global_initializer g2));
505  end;
506
507  (* CHECK: GVar04{{.*}}thread_local
508   *)
509  group "threadlocal";
510  let g = define_global "GVar04" forty_two32 m ++
511          set_thread_local true in
512  insist (is_thread_local g);
513
514  (* CHECK: GVar05{{.*}}thread_local(initialexec)
515   *)
516  group "threadlocal_mode";
517  let g = define_global "GVar05" forty_two32 m ++
518          set_thread_local_mode ThreadLocalMode.InitialExec in
519  insist ((thread_local_mode g) = ThreadLocalMode.InitialExec);
520
521  (* CHECK: GVar06{{.*}}externally_initialized
522   *)
523  group "externally_initialized";
524  let g = define_global "GVar06" forty_two32 m ++
525          set_externally_initialized true in
526  insist (is_externally_initialized g);
527
528  (* CHECK-NOWHERE-NOT: GVar07
529   *)
530  group "delete";
531  let g = define_global "GVar07" forty_two32 m in
532  delete_global g;
533
534  (* CHECK: ConstGlobalVar{{.*}}constant
535   *)
536  group "constant";
537  let g = define_global "ConstGlobalVar" forty_two32 m in
538  insist (not (is_global_constant g));
539  set_global_constant true g;
540  insist (is_global_constant g);
541
542  begin group "iteration";
543    let m = create_module context "temp" in
544
545    insist (At_end m = global_begin m);
546    insist (At_start m = global_end m);
547
548    let g1 = declare_global i32_type "One" m in
549    let g2 = declare_global i32_type "Two" m in
550
551    insist (Before g1 = global_begin m);
552    insist (Before g2 = global_succ g1);
553    insist (At_end m = global_succ g2);
554
555    insist (After g2 = global_end m);
556    insist (After g1 = global_pred g2);
557    insist (At_start m = global_pred g1);
558
559    let lf s x = s ^ "->" ^ value_name x in
560    insist ("->One->Two" = fold_left_globals lf "" m);
561
562    let rf x s = value_name x ^ "<-" ^ s in
563    insist ("One<-Two<-" = fold_right_globals rf m "");
564
565    dispose_module m
566  end
567
568(* String globals built below are emitted here.
569 * CHECK: build_global_string{{.*}}stringval
570 *)
571
572
573(*===-- Uses --------------------------------------------------------------===*)
574
575let test_uses () =
576  let ty = function_type i32_type [| i32_type; i32_type |] in
577  let fn = define_function "use_function" ty m in
578  let b = builder_at_end context (entry_block fn) in
579
580  let p1 = param fn 0 in
581  let p2 = param fn 1 in
582  let v1 = build_add p1 p2 "v1" b in
583  let v2 = build_add p1 v1 "v2" b in
584  let _ = build_add v1 v2 "v3" b in
585
586  let lf s u = value_name (user u) ^ "->" ^ s in
587  insist ("v2->v3->" = fold_left_uses lf "" v1);
588  let rf u s = value_name (user u) ^ "<-" ^ s in
589  insist ("v3<-v2<-" = fold_right_uses rf v1 "");
590
591  let lf s u = value_name (used_value u) ^ "->" ^ s in
592  insist ("v1->v1->" = fold_left_uses lf "" v1);
593
594  let rf u s = value_name (used_value u) ^ "<-" ^ s in
595  insist ("v1<-v1<-" = fold_right_uses rf v1 "");
596
597  ignore (build_unreachable b)
598
599
600(*===-- Users -------------------------------------------------------------===*)
601
602let test_users () =
603  let ty = function_type i32_type [| i32_type; i32_type |] in
604  let fn = define_function "user_function" ty m in
605  let b = builder_at_end context (entry_block fn) in
606
607  let p1 = param fn 0 in
608  let p2 = param fn 1 in
609  let a3 = build_alloca i32_type "user_alloca" b in
610  let p3 = build_load a3 "user_load" b in
611  let i = build_add p1 p2 "sum" b in
612
613  insist ((num_operands i) = 2);
614  insist ((operand i 0) = p1);
615  insist ((operand i 1) = p2);
616
617  set_operand i 1 p3;
618  insist ((operand i 1) != p2);
619  insist ((operand i 1) = p3);
620
621  ignore (build_unreachable b)
622
623
624(*===-- Aliases -----------------------------------------------------------===*)
625
626let test_aliases () =
627  (* CHECK: @alias = alias i32* @aliasee
628   *)
629  let forty_two32 = const_int i32_type 42 in
630  let v = define_global "aliasee" forty_two32 m in
631  ignore (add_alias m (pointer_type i32_type) v "alias")
632
633
634(*===-- Functions ---------------------------------------------------------===*)
635
636let test_functions () =
637  let ty = function_type i32_type [| i32_type; i64_type |] in
638  let ty2 = function_type i8_type [| i8_type; i64_type |] in
639
640  (* CHECK: declare i32 @Fn1(i32, i64)
641   *)
642  begin group "declare";
643    insist (None = lookup_function "Fn1" m);
644    let fn = declare_function "Fn1" ty m in
645    insist (pointer_type ty = type_of fn);
646    insist (is_declaration fn);
647    insist (0 = Array.length (basic_blocks fn));
648    insist (pointer_type ty2 == type_of (declare_function "Fn1" ty2 m));
649    insist (fn == declare_function "Fn1" ty m);
650    insist (None <> lookup_function "Fn1" m);
651    insist (match lookup_function "Fn1" m with Some x -> x = fn
652                                             | None -> false);
653    insist (m == global_parent fn)
654  end;
655
656  (* CHECK-NOWHERE-NOT: Fn2
657   *)
658  group "delete";
659  let fn = declare_function "Fn2" ty m in
660  delete_function fn;
661
662  (* CHECK: define{{.*}}Fn3
663   *)
664  group "define";
665  let fn = define_function "Fn3" ty m in
666  insist (not (is_declaration fn));
667  insist (1 = Array.length (basic_blocks fn));
668  ignore (build_unreachable (builder_at_end context (entry_block fn)));
669
670  (* CHECK: define{{.*}}Fn4{{.*}}Param1{{.*}}Param2
671   *)
672  group "params";
673  let fn = define_function "Fn4" ty m in
674  let params = params fn in
675  insist (2 = Array.length params);
676  insist (params.(0) = param fn 0);
677  insist (params.(1) = param fn 1);
678  insist (i32_type = type_of params.(0));
679  insist (i64_type = type_of params.(1));
680  set_value_name "Param1" params.(0);
681  set_value_name "Param2" params.(1);
682  ignore (build_unreachable (builder_at_end context (entry_block fn)));
683
684  (* CHECK: fastcc{{.*}}Fn5
685   *)
686  group "callconv";
687  let fn = define_function "Fn5" ty m in
688  insist (CallConv.c = function_call_conv fn);
689  set_function_call_conv CallConv.fast fn;
690  insist (CallConv.fast = function_call_conv fn);
691  ignore (build_unreachable (builder_at_end context (entry_block fn)));
692
693  begin group "gc";
694    (* CHECK: Fn6{{.*}}gc{{.*}}shadowstack
695     *)
696    let fn = define_function "Fn6" ty m in
697    insist (None = gc fn);
698    set_gc (Some "ocaml") fn;
699    insist (Some "ocaml" = gc fn);
700    set_gc None fn;
701    insist (None = gc fn);
702    set_gc (Some "shadowstack") fn;
703    ignore (build_unreachable (builder_at_end context (entry_block fn)));
704  end;
705
706  begin group "iteration";
707    let m = create_module context "temp" in
708
709    insist (At_end m = function_begin m);
710    insist (At_start m = function_end m);
711
712    let f1 = define_function "One" ty m in
713    let f2 = define_function "Two" ty m in
714
715    insist (Before f1 = function_begin m);
716    insist (Before f2 = function_succ f1);
717    insist (At_end m = function_succ f2);
718
719    insist (After f2 = function_end m);
720    insist (After f1 = function_pred f2);
721    insist (At_start m = function_pred f1);
722
723    let lf s x = s ^ "->" ^ value_name x in
724    insist ("->One->Two" = fold_left_functions lf "" m);
725
726    let rf x s = value_name x ^ "<-" ^ s in
727    insist ("One<-Two<-" = fold_right_functions rf m "");
728
729    dispose_module m
730  end
731
732
733(*===-- Params ------------------------------------------------------------===*)
734
735let test_params () =
736  begin group "iteration";
737    let m = create_module context "temp" in
738
739    let vf = define_function "void" (function_type void_type [| |]) m in
740
741    insist (At_end vf = param_begin vf);
742    insist (At_start vf = param_end vf);
743
744    let ty = function_type void_type [| i32_type; i32_type |] in
745    let f = define_function "f" ty m in
746    let p1 = param f 0 in
747    let p2 = param f 1 in
748    set_value_name "One" p1;
749    set_value_name "Two" p2;
750    add_param_attr p1 Attribute.Sext;
751    add_param_attr p2 Attribute.Noalias;
752    remove_param_attr p2 Attribute.Noalias;
753    add_function_attr f Attribute.Nounwind;
754    add_function_attr f Attribute.Noreturn;
755    remove_function_attr f Attribute.Noreturn;
756
757    insist (Before p1 = param_begin f);
758    insist (Before p2 = param_succ p1);
759    insist (At_end f = param_succ p2);
760
761    insist (After p2 = param_end f);
762    insist (After p1 = param_pred p2);
763    insist (At_start f = param_pred p1);
764
765    let lf s x = s ^ "->" ^ value_name x in
766    insist ("->One->Two" = fold_left_params lf "" f);
767
768    let rf x s = value_name x ^ "<-" ^ s in
769    insist ("One<-Two<-" = fold_right_params rf f "");
770
771    dispose_module m
772  end
773
774
775(*===-- Basic Blocks ------------------------------------------------------===*)
776
777let test_basic_blocks () =
778  let ty = function_type void_type [| |] in
779
780  (* CHECK: Bb1
781   *)
782  group "entry";
783  let fn = declare_function "X" ty m in
784  let bb = append_block context "Bb1" fn in
785  insist (bb = entry_block fn);
786  ignore (build_unreachable (builder_at_end context bb));
787
788  (* CHECK-NOWHERE-NOT: Bb2
789   *)
790  group "delete";
791  let fn = declare_function "X2" ty m in
792  let bb = append_block context "Bb2" fn in
793  delete_block bb;
794
795  group "insert";
796  let fn = declare_function "X3" ty m in
797  let bbb = append_block context "b" fn in
798  let bba = insert_block context "a" bbb in
799  insist ([| bba; bbb |] = basic_blocks fn);
800  ignore (build_unreachable (builder_at_end context bba));
801  ignore (build_unreachable (builder_at_end context bbb));
802
803  (* CHECK: Bb3
804   *)
805  group "name/value";
806  let fn = define_function "X4" ty m in
807  let bb = entry_block fn in
808  ignore (build_unreachable (builder_at_end context bb));
809  let bbv = value_of_block bb in
810  set_value_name "Bb3" bbv;
811  insist ("Bb3" = value_name bbv);
812
813  group "casts";
814  let fn = define_function "X5" ty m in
815  let bb = entry_block fn in
816  ignore (build_unreachable (builder_at_end context bb));
817  insist (bb = block_of_value (value_of_block bb));
818  insist (value_is_block (value_of_block bb));
819  insist (not (value_is_block (const_null i32_type)));
820
821  begin group "iteration";
822    let m = create_module context "temp" in
823    let f = declare_function "Temp" (function_type i32_type [| |]) m in
824
825    insist (At_end f = block_begin f);
826    insist (At_start f = block_end f);
827
828    let b1 = append_block context "One" f in
829    let b2 = append_block context "Two" f in
830
831    insist (Before b1 = block_begin f);
832    insist (Before b2 = block_succ b1);
833    insist (At_end f = block_succ b2);
834
835    insist (After b2 = block_end f);
836    insist (After b1 = block_pred b2);
837    insist (At_start f = block_pred b1);
838
839    let lf s x = s ^ "->" ^ value_name (value_of_block x) in
840    insist ("->One->Two" = fold_left_blocks lf "" f);
841
842    let rf x s = value_name (value_of_block x) ^ "<-" ^ s in
843    insist ("One<-Two<-" = fold_right_blocks rf f "");
844
845    dispose_module m
846  end
847
848
849(*===-- Instructions ------------------------------------------------------===*)
850
851let test_instructions () =
852  begin group "iteration";
853    let m = create_module context "temp" in
854    let fty = function_type void_type [| i32_type; i32_type |] in
855    let f = define_function "f" fty m in
856    let bb = entry_block f in
857    let b = builder_at context (At_end bb) in
858
859    insist (At_end bb = instr_begin bb);
860    insist (At_start bb = instr_end bb);
861
862    let i1 = build_add (param f 0) (param f 1) "One" b in
863    let i2 = build_sub (param f 0) (param f 1) "Two" b in
864
865    insist (Before i1 = instr_begin bb);
866    insist (Before i2 = instr_succ i1);
867    insist (At_end bb = instr_succ i2);
868
869    insist (After i2 = instr_end bb);
870    insist (After i1 = instr_pred i2);
871    insist (At_start bb = instr_pred i1);
872
873    let lf s x = s ^ "->" ^ value_name x in
874    insist ("->One->Two" = fold_left_instrs lf "" bb);
875
876    let rf x s = value_name x ^ "<-" ^ s in
877    insist ("One<-Two<-" = fold_right_instrs rf bb "");
878
879    dispose_module m
880  end;
881
882  group "clone instr";
883  begin
884    (* CHECK: %clone = add i32 %0, 2
885     *)
886    let fty = function_type void_type [| i32_type |] in
887    let fn = define_function "BuilderParent" fty m in
888    let bb = entry_block fn in
889    let b = builder_at_end context bb in
890    let p = param fn 0 in
891    let sum = build_add p p "sum" b in
892    let y = const_int i32_type 2 in
893    let clone = instr_clone sum in
894    set_operand clone 0 p;
895    set_operand clone 1 y;
896    insert_into_builder clone "clone" b;
897    ignore (build_ret_void b)
898  end
899
900
901(*===-- Builder -----------------------------------------------------------===*)
902
903let test_builder () =
904  let (++) x f = f x; x in
905
906  begin group "parent";
907    insist (try
908              ignore (insertion_block (builder context));
909              false
910            with Not_found ->
911              true);
912
913    let fty = function_type void_type [| i32_type |] in
914    let fn = define_function "BuilderParent" fty m in
915    let bb = entry_block fn in
916    let b = builder_at_end context bb in
917    let p = param fn 0 in
918    let sum = build_add p p "sum" b in
919    ignore (build_ret_void b);
920
921    insist (fn = block_parent bb);
922    insist (fn = param_parent p);
923    insist (bb = instr_parent sum);
924    insist (bb = insertion_block b)
925  end;
926
927  group "ret void";
928  begin
929    (* CHECK: ret void
930     *)
931    let fty = function_type void_type [| |] in
932    let fn = declare_function "X6" fty m in
933    let b = builder_at_end context (append_block context "Bb01" fn) in
934    ignore (build_ret_void b)
935  end;
936
937  group "ret aggregate";
938  begin
939      (* CHECK: ret { i8, i64 } { i8 4, i64 5 }
940       *)
941      let sty = struct_type context [| i8_type; i64_type |] in
942      let fty = function_type sty [| |] in
943      let fn = declare_function "XA6" fty m in
944      let b = builder_at_end context (append_block context "Bb01" fn) in
945      let agg = [| const_int i8_type 4; const_int i64_type 5 |] in
946      ignore (build_aggregate_ret agg b)
947  end;
948
949  (* The rest of the tests will use one big function. *)
950  let fty = function_type i32_type [| i32_type; i32_type |] in
951  let fn = define_function "X7" fty m in
952  let atentry = builder_at_end context (entry_block fn) in
953  let p1 = param fn 0 ++ set_value_name "P1" in
954  let p2 = param fn 1 ++ set_value_name "P2" in
955  let f1 = build_uitofp p1 float_type "F1" atentry in
956  let f2 = build_uitofp p2 float_type "F2" atentry in
957
958  let bb00 = append_block context "Bb00" fn in
959  ignore (build_unreachable (builder_at_end context bb00));
960
961  group "function attribute";
962  begin
963      ignore (add_function_attr fn Attribute.UWTable);
964      (* CHECK: X7{{.*}}#0
965       * #0 is uwtable, defined at EOF.
966       *)
967      insist ([Attribute.UWTable] = function_attr fn);
968  end;
969
970  group "casts"; begin
971    let void_ptr = pointer_type i8_type in
972
973    (* CHECK-DAG: %build_trunc = trunc i32 %P1 to i8
974     * CHECK-DAG: %build_trunc2 = trunc i32 %P1 to i8
975     * CHECK-DAG: %build_trunc3 = trunc i32 %P1 to i8
976     * CHECK-DAG: %build_zext = zext i8 %build_trunc to i32
977     * CHECK-DAG: %build_zext2 = zext i8 %build_trunc to i32
978     * CHECK-DAG: %build_sext = sext i32 %build_zext to i64
979     * CHECK-DAG: %build_sext2 = sext i32 %build_zext to i64
980     * CHECK-DAG: %build_sext3 = sext i32 %build_zext to i64
981     * CHECK-DAG: %build_uitofp = uitofp i64 %build_sext to float
982     * CHECK-DAG: %build_sitofp = sitofp i32 %build_zext to double
983     * CHECK-DAG: %build_fptoui = fptoui float %build_uitofp to i32
984     * CHECK-DAG: %build_fptosi = fptosi double %build_sitofp to i64
985     * CHECK-DAG: %build_fptrunc = fptrunc double %build_sitofp to float
986     * CHECK-DAG: %build_fptrunc2 = fptrunc double %build_sitofp to float
987     * CHECK-DAG: %build_fpext = fpext float %build_fptrunc to double
988     * CHECK-DAG: %build_fpext2 = fpext float %build_fptrunc to double
989     * CHECK-DAG: %build_inttoptr = inttoptr i32 %P1 to i8*
990     * CHECK-DAG: %build_ptrtoint = ptrtoint i8* %build_inttoptr to i64
991     * CHECK-DAG: %build_ptrtoint2 = ptrtoint i8* %build_inttoptr to i64
992     * CHECK-DAG: %build_bitcast = bitcast i64 %build_ptrtoint to double
993     * CHECK-DAG: %build_bitcast2 = bitcast i64 %build_ptrtoint to double
994     * CHECK-DAG: %build_bitcast3 = bitcast i64 %build_ptrtoint to double
995     * CHECK-DAG: %build_bitcast4 = bitcast i64 %build_ptrtoint to double
996     * CHECK-DAG: %build_pointercast = bitcast i8* %build_inttoptr to i16*
997     *)
998    let inst28 = build_trunc p1 i8_type "build_trunc" atentry in
999    let inst29 = build_zext inst28 i32_type "build_zext" atentry in
1000    let inst30 = build_sext inst29 i64_type "build_sext" atentry in
1001    let inst31 = build_uitofp inst30 float_type "build_uitofp" atentry in
1002    let inst32 = build_sitofp inst29 double_type "build_sitofp" atentry in
1003    ignore(build_fptoui inst31 i32_type "build_fptoui" atentry);
1004    ignore(build_fptosi inst32 i64_type "build_fptosi" atentry);
1005    let inst35 = build_fptrunc inst32 float_type "build_fptrunc" atentry in
1006    ignore(build_fpext inst35 double_type "build_fpext" atentry);
1007    let inst37 = build_inttoptr p1 void_ptr "build_inttoptr" atentry in
1008    let inst38 = build_ptrtoint inst37 i64_type "build_ptrtoint" atentry in
1009    ignore(build_bitcast inst38 double_type "build_bitcast" atentry);
1010    ignore(build_zext_or_bitcast inst38 double_type "build_bitcast2" atentry);
1011    ignore(build_sext_or_bitcast inst38 double_type "build_bitcast3" atentry);
1012    ignore(build_trunc_or_bitcast inst38 double_type "build_bitcast4" atentry);
1013    ignore(build_pointercast inst37 (pointer_type i16_type) "build_pointercast" atentry);
1014
1015    ignore(build_zext_or_bitcast inst28 i32_type "build_zext2" atentry);
1016    ignore(build_sext_or_bitcast inst29 i64_type "build_sext2" atentry);
1017    ignore(build_trunc_or_bitcast p1 i8_type "build_trunc2" atentry);
1018    ignore(build_pointercast inst37 i64_type "build_ptrtoint2" atentry);
1019    ignore(build_intcast inst29 i64_type "build_sext3" atentry);
1020    ignore(build_intcast p1 i8_type "build_trunc3" atentry);
1021    ignore(build_fpcast inst35 double_type "build_fpext2" atentry);
1022    ignore(build_fpcast inst32 float_type "build_fptrunc2" atentry);
1023  end;
1024
1025  group "comparisons"; begin
1026    (* CHECK: %build_icmp_ne = icmp ne i32 %P1, %P2
1027     * CHECK: %build_icmp_sle = icmp sle i32 %P2, %P1
1028     * CHECK: %build_fcmp_false = fcmp false float %F1, %F2
1029     * CHECK: %build_fcmp_true = fcmp true float %F2, %F1
1030     * CHECK: %build_is_null{{.*}}= icmp eq{{.*}}%X0,{{.*}}null
1031     * CHECK: %build_is_not_null = icmp ne i8* %X1, null
1032     * CHECK: %build_ptrdiff
1033     *)
1034    let c = build_icmp Icmp.Ne    p1 p2 "build_icmp_ne" atentry in
1035    insist (Some Icmp.Ne = icmp_predicate c);
1036    insist (None = fcmp_predicate c);
1037
1038    let c = build_icmp Icmp.Sle   p2 p1 "build_icmp_sle" atentry in
1039    insist (Some Icmp.Sle = icmp_predicate c);
1040    insist (None = fcmp_predicate c);
1041
1042    let c = build_fcmp Fcmp.False f1 f2 "build_fcmp_false" atentry in
1043    (* insist (Some Fcmp.False = fcmp_predicate c); *)
1044    insist (None = icmp_predicate c);
1045
1046    let c = build_fcmp Fcmp.True  f2 f1 "build_fcmp_true" atentry in
1047    (* insist (Some Fcmp.True = fcmp_predicate c); *)
1048    insist (None = icmp_predicate c);
1049
1050    let g0 = declare_global (pointer_type i8_type) "g0" m in
1051    let g1 = declare_global (pointer_type i8_type) "g1" m in
1052    let p0 = build_load g0 "X0" atentry in
1053    let p1 = build_load g1 "X1" atentry in
1054    ignore (build_is_null p0 "build_is_null" atentry);
1055    ignore (build_is_not_null p1 "build_is_not_null" atentry);
1056    ignore (build_ptrdiff p1 p0 "build_ptrdiff" atentry);
1057  end;
1058
1059  group "miscellaneous"; begin
1060    (* CHECK: %build_call = tail call cc63 i32 @{{.*}}(i32 signext %P2, i32 %P1)
1061     * CHECK: %build_select = select i1 %build_icmp, i32 %P1, i32 %P2
1062     * CHECK: %build_va_arg = va_arg i8** null, i32
1063     * CHECK: %build_extractelement = extractelement <4 x i32> %Vec1, i32 %P2
1064     * CHECK: %build_insertelement = insertelement <4 x i32> %Vec1, i32 %P1, i32 %P2
1065     * CHECK: %build_shufflevector = shufflevector <4 x i32> %Vec1, <4 x i32> %Vec2, <4 x i32> <i32 1, i32 1, i32 0, i32 0>
1066     * CHECK: %build_insertvalue0 = insertvalue{{.*}}%bl, i32 1, 0
1067     * CHECK: %build_extractvalue = extractvalue{{.*}}%build_insertvalue1, 1
1068     *)
1069    let ci = build_call fn [| p2; p1 |] "build_call" atentry in
1070    insist (CallConv.c = instruction_call_conv ci);
1071    set_instruction_call_conv 63 ci;
1072    insist (63 = instruction_call_conv ci);
1073    insist (not (is_tail_call ci));
1074    set_tail_call true ci;
1075    insist (is_tail_call ci);
1076    add_instruction_param_attr ci 1 Attribute.Sext;
1077    add_instruction_param_attr ci 2 Attribute.Noalias;
1078    remove_instruction_param_attr ci 2 Attribute.Noalias;
1079
1080    let inst46 = build_icmp Icmp.Eq p1 p2 "build_icmp" atentry in
1081    ignore (build_select inst46 p1 p2 "build_select" atentry);
1082    ignore (build_va_arg
1083      (const_null (pointer_type (pointer_type i8_type)))
1084      i32_type "build_va_arg" atentry);
1085
1086    (* Set up some vector vregs. *)
1087    let one  = const_int i32_type 1 in
1088    let zero = const_int i32_type 0 in
1089    let t1 = const_vector [| one; zero; one; zero |] in
1090    let t2 = const_vector [| zero; one; zero; one |] in
1091    let t3 = const_vector [| one; one; zero; zero |] in
1092    let vec1 = build_insertelement t1 p1 p2 "Vec1" atentry in
1093    let vec2 = build_insertelement t2 p1 p2 "Vec2" atentry in
1094    let sty = struct_type context [| i32_type; i8_type |] in
1095
1096    ignore (build_extractelement vec1 p2 "build_extractelement" atentry);
1097    ignore (build_insertelement vec1 p1 p2 "build_insertelement" atentry);
1098    ignore (build_shufflevector vec1 vec2 t3 "build_shufflevector" atentry);
1099
1100    let p = build_alloca sty "ba" atentry in
1101    let agg = build_load p "bl" atentry in
1102    let agg0 = build_insertvalue agg (const_int i32_type 1) 0
1103                 "build_insertvalue0" atentry in
1104    let agg1 = build_insertvalue agg0 (const_int i8_type 2) 1
1105                 "build_insertvalue1" atentry in
1106    ignore (build_extractvalue agg1 1 "build_extractvalue" atentry)
1107  end;
1108
1109  group "metadata"; begin
1110    (* CHECK: %metadata = add i32 %P1, %P2, !test !1
1111     * !1 is metadata emitted at EOF.
1112     *)
1113    let i = build_add p1 p2 "metadata" atentry in
1114    insist ((has_metadata i) = false);
1115
1116    let m1 = const_int i32_type 1 in
1117    let m2 = mdstring context "metadata test" in
1118    let md = mdnode context [| m1; m2 |] in
1119
1120    let kind = mdkind_id context "test" in
1121    set_metadata i kind md;
1122
1123    insist ((has_metadata i) = true);
1124    insist ((metadata i kind) = Some md);
1125
1126    clear_metadata i kind;
1127
1128    insist ((has_metadata i) = false);
1129    insist ((metadata i kind) = None);
1130
1131    set_metadata i kind md
1132  end;
1133
1134  group "named metadata"; begin
1135    (* !llvm.module.flags is emitted at EOF. *)
1136    let n1 = const_int i32_type 1 in
1137    let n2 = mdstring context "Debug Info Version" in
1138    let n3 = const_int i32_type 2 in
1139    let md = mdnode context [| n1; n2; n3 |] in
1140    add_named_metadata_operand m "llvm.module.flags" md;
1141
1142    insist ((get_named_metadata m "llvm.module.flags") = [| md |])
1143  end;
1144
1145  group "dbg"; begin
1146    (* CHECK: %dbg = add i32 %P1, %P2, !dbg !2
1147     * !2 is metadata emitted at EOF.
1148     *)
1149    insist ((current_debug_location atentry) = Some (mdnode context [||]));
1150
1151    let m_line = const_int i32_type 2 in
1152    let m_col = const_int i32_type 3 in
1153    let m_scope = mdnode context [| |] in
1154    let m_inlined = mdnode context [| |] in
1155    let md = mdnode context [| m_line; m_col; m_scope; m_inlined |] in
1156    set_current_debug_location atentry md;
1157
1158    insist ((current_debug_location atentry) = Some md);
1159
1160    let i = build_add p1 p2 "dbg" atentry in
1161    insist ((has_metadata i) = true);
1162
1163    clear_current_debug_location atentry
1164  end;
1165
1166  group "ret"; begin
1167    (* CHECK: ret{{.*}}P1
1168     *)
1169    let ret = build_ret p1 atentry in
1170    position_before ret atentry
1171  end;
1172
1173  (* see test/Feature/exception.ll *)
1174  let bblpad = append_block context "Bblpad" fn in
1175  let rt = struct_type context [| pointer_type i8_type; i32_type |] in
1176  let ft = var_arg_function_type i32_type  [||] in
1177  let personality = declare_function "__gxx_personality_v0" ft m in
1178  let ztic = declare_global (pointer_type i8_type) "_ZTIc" m in
1179  let ztid = declare_global (pointer_type i8_type) "_ZTId" m in
1180  let ztipkc = declare_global (pointer_type i8_type) "_ZTIPKc" m in
1181  begin
1182      set_global_constant true ztic;
1183      set_global_constant true ztid;
1184      set_global_constant true ztipkc;
1185      let lp = build_landingpad rt personality 0 "lpad"
1186       (builder_at_end context bblpad) in begin
1187           set_cleanup lp true;
1188           add_clause lp ztic;
1189           insist((pointer_type (pointer_type i8_type)) = type_of ztid);
1190           let ety = pointer_type (pointer_type i8_type) in
1191           add_clause lp (const_array ety [| ztipkc; ztid |]);
1192           ignore (build_resume lp (builder_at_end context bblpad));
1193      end;
1194      (* CHECK: landingpad{{.*}}personality{{.*}}__gxx_personality_v0
1195       * CHECK: cleanup
1196       * CHECK: catch{{.*}}i8**{{.*}}@_ZTIc
1197       * CHECK: filter{{.*}}@_ZTIPKc{{.*}}@_ZTId
1198       * CHECK: resume
1199       * *)
1200  end;
1201
1202  group "br"; begin
1203    (* CHECK: br{{.*}}Bb02
1204     *)
1205    let bb02 = append_block context "Bb02" fn in
1206    let b = builder_at_end context bb02 in
1207    let br = build_br bb02 b in
1208    insist (successors br = [| bb02 |]) ;
1209    insist (is_conditional br = false) ;
1210    insist (get_branch br = Some (`Unconditional bb02)) ;
1211  end;
1212
1213  group "cond_br"; begin
1214    (* CHECK: br{{.*}}build_br{{.*}}Bb03{{.*}}Bb00
1215     *)
1216    let bb03 = append_block context "Bb03" fn in
1217    let b = builder_at_end context bb03 in
1218    let cond = build_trunc p1 i1_type "build_br" b in
1219    let br = build_cond_br cond bb03 bb00 b in
1220    insist (num_successors br = 2) ;
1221    insist (successor br 0 = bb03) ;
1222    insist (successor br 1 = bb00) ;
1223    insist (is_conditional br = true) ;
1224    insist (get_branch br = Some (`Conditional (cond, bb03, bb00))) ;
1225  end;
1226
1227  group "switch"; begin
1228    (* CHECK: switch{{.*}}P1{{.*}}SwiBlock3
1229     * CHECK: 2,{{.*}}SwiBlock2
1230     *)
1231    let bb1 = append_block context "SwiBlock1" fn in
1232    let bb2 = append_block context "SwiBlock2" fn in
1233    ignore (build_unreachable (builder_at_end context bb2));
1234    let bb3 = append_block context "SwiBlock3" fn in
1235    ignore (build_unreachable (builder_at_end context bb3));
1236    let si = build_switch p1 bb3 1 (builder_at_end context bb1) in begin
1237        ignore (add_case si (const_int i32_type 2) bb2);
1238        insist (switch_default_dest si = bb3);
1239    end;
1240    insist (num_successors si = 2) ;
1241    insist (get_branch si = None) ;
1242  end;
1243
1244  group "malloc/free"; begin
1245      (* CHECK: call{{.*}}@malloc(i32 ptrtoint
1246       * CHECK: call{{.*}}@free(i8*
1247       * CHECK: call{{.*}}@malloc(i32 %
1248       *)
1249      let bb1 = append_block context "MallocBlock1" fn in
1250      let m1 = (build_malloc (pointer_type i32_type) "m1"
1251      (builder_at_end context bb1)) in
1252      ignore (build_free m1 (builder_at_end context bb1));
1253      ignore (build_array_malloc i32_type p1 "m2" (builder_at_end context bb1));
1254      ignore (build_unreachable (builder_at_end context bb1));
1255  end;
1256
1257  group "indirectbr"; begin
1258    (* CHECK: indirectbr i8* blockaddress(@X7, %IBRBlock2), [label %IBRBlock2, label %IBRBlock3]
1259     *)
1260    let bb1 = append_block context "IBRBlock1" fn in
1261
1262    let bb2 = append_block context "IBRBlock2" fn in
1263    ignore (build_unreachable (builder_at_end context bb2));
1264
1265    let bb3 = append_block context "IBRBlock3" fn in
1266    ignore (build_unreachable (builder_at_end context bb3));
1267
1268    let addr = block_address fn bb2 in
1269    let ibr = build_indirect_br addr 2 (builder_at_end context bb1) in
1270    ignore (add_destination ibr bb2);
1271    ignore (add_destination ibr bb3)
1272  end;
1273
1274  group "invoke"; begin
1275    (* CHECK: build_invoke{{.*}}invoke{{.*}}P1{{.*}}P2
1276     * CHECK: to{{.*}}Bb04{{.*}}unwind{{.*}}Bblpad
1277     *)
1278    let bb04 = append_block context "Bb04" fn in
1279    let b = builder_at_end context bb04 in
1280    ignore (build_invoke fn [| p1; p2 |] bb04 bblpad "build_invoke" b)
1281  end;
1282
1283  group "unreachable"; begin
1284    (* CHECK: unreachable
1285     *)
1286    let bb06 = append_block context "Bb06" fn in
1287    let b = builder_at_end context bb06 in
1288    ignore (build_unreachable b)
1289  end;
1290
1291  group "arithmetic"; begin
1292    let bb07 = append_block context "Bb07" fn in
1293    let b = builder_at_end context bb07 in
1294
1295    (* CHECK: %build_add = add i32 %P1, %P2
1296     * CHECK: %build_nsw_add = add nsw i32 %P1, %P2
1297     * CHECK: %build_nuw_add = add nuw i32 %P1, %P2
1298     * CHECK: %build_fadd = fadd float %F1, %F2
1299     * CHECK: %build_sub = sub i32 %P1, %P2
1300     * CHECK: %build_nsw_sub = sub nsw i32 %P1, %P2
1301     * CHECK: %build_nuw_sub = sub nuw i32 %P1, %P2
1302     * CHECK: %build_fsub = fsub float %F1, %F2
1303     * CHECK: %build_mul = mul i32 %P1, %P2
1304     * CHECK: %build_nsw_mul = mul nsw i32 %P1, %P2
1305     * CHECK: %build_nuw_mul = mul nuw i32 %P1, %P2
1306     * CHECK: %build_fmul = fmul float %F1, %F2
1307     * CHECK: %build_udiv = udiv i32 %P1, %P2
1308     * CHECK: %build_sdiv = sdiv i32 %P1, %P2
1309     * CHECK: %build_exact_sdiv = sdiv exact i32 %P1, %P2
1310     * CHECK: %build_fdiv = fdiv float %F1, %F2
1311     * CHECK: %build_urem = urem i32 %P1, %P2
1312     * CHECK: %build_srem = srem i32 %P1, %P2
1313     * CHECK: %build_frem = frem float %F1, %F2
1314     * CHECK: %build_shl = shl i32 %P1, %P2
1315     * CHECK: %build_lshl = lshr i32 %P1, %P2
1316     * CHECK: %build_ashl = ashr i32 %P1, %P2
1317     * CHECK: %build_and = and i32 %P1, %P2
1318     * CHECK: %build_or = or i32 %P1, %P2
1319     * CHECK: %build_xor = xor i32 %P1, %P2
1320     * CHECK: %build_neg = sub i32 0, %P1
1321     * CHECK: %build_nsw_neg = sub nsw i32 0, %P1
1322     * CHECK: %build_nuw_neg = sub nuw i32 0, %P1
1323     * CHECK: %build_fneg = fsub float {{.*}}0{{.*}}, %F1
1324     * CHECK: %build_not = xor i32 %P1, -1
1325     *)
1326    ignore (build_add p1 p2 "build_add" b);
1327    ignore (build_nsw_add p1 p2 "build_nsw_add" b);
1328    ignore (build_nuw_add p1 p2 "build_nuw_add" b);
1329    ignore (build_fadd f1 f2 "build_fadd" b);
1330    ignore (build_sub p1 p2 "build_sub" b);
1331    ignore (build_nsw_sub p1 p2 "build_nsw_sub" b);
1332    ignore (build_nuw_sub p1 p2 "build_nuw_sub" b);
1333    ignore (build_fsub f1 f2 "build_fsub" b);
1334    ignore (build_mul p1 p2 "build_mul" b);
1335    ignore (build_nsw_mul p1 p2 "build_nsw_mul" b);
1336    ignore (build_nuw_mul p1 p2 "build_nuw_mul" b);
1337    ignore (build_fmul f1 f2 "build_fmul" b);
1338    ignore (build_udiv p1 p2 "build_udiv" b);
1339    ignore (build_sdiv p1 p2 "build_sdiv" b);
1340    ignore (build_exact_sdiv p1 p2 "build_exact_sdiv" b);
1341    ignore (build_fdiv f1 f2 "build_fdiv" b);
1342    ignore (build_urem p1 p2 "build_urem" b);
1343    ignore (build_srem p1 p2 "build_srem" b);
1344    ignore (build_frem f1 f2 "build_frem" b);
1345    ignore (build_shl p1 p2 "build_shl" b);
1346    ignore (build_lshr p1 p2 "build_lshl" b);
1347    ignore (build_ashr p1 p2 "build_ashl" b);
1348    ignore (build_and p1 p2 "build_and" b);
1349    ignore (build_or p1 p2 "build_or" b);
1350    ignore (build_xor p1 p2 "build_xor" b);
1351    ignore (build_neg p1 "build_neg" b);
1352    ignore (build_nsw_neg p1 "build_nsw_neg" b);
1353    ignore (build_nuw_neg p1 "build_nuw_neg" b);
1354    ignore (build_fneg f1 "build_fneg" b);
1355    ignore (build_not p1 "build_not" b);
1356    ignore (build_unreachable b)
1357  end;
1358
1359  group "memory"; begin
1360    let bb08 = append_block context "Bb08" fn in
1361    let b = builder_at_end context bb08 in
1362
1363    (* CHECK: %build_alloca = alloca i32
1364     * CHECK: %build_array_alloca = alloca i32, i32 %P2
1365     * CHECK: %build_load = load volatile i32* %build_array_alloca, align 4
1366     * CHECK: store volatile i32 %P2, i32* %build_alloca, align 4
1367     * CHECK: %build_gep = getelementptr i32* %build_array_alloca, i32 %P2
1368     * CHECK: %build_in_bounds_gep = getelementptr inbounds i32* %build_array_alloca, i32 %P2
1369     * CHECK: %build_struct_gep = getelementptr inbounds{{.*}}%build_alloca2, i32 0, i32 1
1370     * CHECK: %build_atomicrmw = atomicrmw xchg i8* %p, i8 42 seq_cst
1371     *)
1372    let alloca = build_alloca i32_type "build_alloca" b in
1373    let array_alloca = build_array_alloca i32_type p2 "build_array_alloca" b in
1374
1375    let load = build_load array_alloca "build_load" b in
1376    ignore(set_alignment 4 load);
1377    ignore(set_volatile true load);
1378    insist(true = is_volatile load);
1379    insist(4 = alignment load);
1380
1381    let store = build_store p2 alloca b in
1382    ignore(set_volatile true store);
1383    ignore(set_alignment 4 store);
1384    insist(true = is_volatile store);
1385    insist(4 = alignment store);
1386    ignore(build_gep array_alloca [| p2 |] "build_gep" b);
1387    ignore(build_in_bounds_gep array_alloca [| p2 |] "build_in_bounds_gep" b);
1388
1389    let sty = struct_type context [| i32_type; i8_type |] in
1390    let alloca2 = build_alloca sty "build_alloca2" b in
1391    ignore(build_struct_gep alloca2 1 "build_struct_gep" b);
1392
1393    let p = build_alloca i8_type "p" b in
1394    ignore(build_atomicrmw AtomicRMWBinOp.Xchg p (const_int i8_type 42)
1395              AtomicOrdering.SequentiallyConsistent false "build_atomicrmw"
1396              b);
1397
1398    ignore(build_unreachable b)
1399  end;
1400
1401  group "string"; begin
1402    let bb09 = append_block context "Bb09" fn in
1403    let b = builder_at_end context bb09 in
1404    let p = build_alloca (pointer_type i8_type) "p" b in
1405    (* build_global_string is emitted above.
1406     * CHECK: store{{.*}}build_global_string1{{.*}}p
1407     * *)
1408    ignore (build_global_string "stringval" "build_global_string" b);
1409    let g = build_global_stringptr "stringval" "build_global_string1" b in
1410    ignore (build_store g p b);
1411    ignore(build_unreachable b);
1412  end;
1413
1414  group "phi"; begin
1415    (* CHECK: PhiNode{{.*}}P1{{.*}}PhiBlock1{{.*}}P2{{.*}}PhiBlock2
1416     *)
1417    let b1 = append_block context "PhiBlock1" fn in
1418    let b2 = append_block context "PhiBlock2" fn in
1419
1420    let jb = append_block context "PhiJoinBlock" fn in
1421    ignore (build_br jb (builder_at_end context b1));
1422    ignore (build_br jb (builder_at_end context b2));
1423    let at_jb = builder_at_end context jb in
1424
1425    let phi = build_phi [(p1, b1)] "PhiNode" at_jb in
1426    insist ([(p1, b1)] = incoming phi);
1427
1428    add_incoming (p2, b2) phi;
1429    insist ([(p1, b1); (p2, b2)] = incoming phi);
1430
1431    (* CHECK: %PhiEmptyNode = phi i8
1432     *)
1433    let phi_empty = build_empty_phi i8_type "PhiEmptyNode" at_jb in
1434    insist ([] = incoming phi_empty);
1435
1436    (* can't emit an empty phi to bitcode *)
1437    add_incoming (const_int i8_type 1, b1) phi_empty;
1438    add_incoming (const_int i8_type 2, b2) phi_empty;
1439
1440    ignore (build_unreachable at_jb);
1441  end
1442
1443(* End-of-file checks for things like metdata and attributes.
1444 * CHECK: attributes #0 = {{.*}}uwtable{{.*}}
1445 * CHECK: !llvm.module.flags = !{!0}
1446 * CHECK: !0 = !{i32 1, !"Debug Info Version", i32 3}
1447 * CHECK: !1 = !{i32 1, !"metadata test"}
1448 * CHECK: !2 = !DILocation(line: 2, column: 3, scope: !3, inlinedAt: !3)
1449 *)
1450
1451(*===-- Pass Managers -----------------------------------------------------===*)
1452
1453let test_pass_manager () =
1454  let (++) x f = ignore (f x); x in
1455
1456  begin group "module pass manager";
1457    ignore (PassManager.create ()
1458             ++ PassManager.run_module m
1459             ++ PassManager.dispose)
1460  end;
1461
1462  begin group "function pass manager";
1463    let fty = function_type void_type [| |] in
1464    let fn = define_function "FunctionPassManager" fty m in
1465    ignore (build_ret_void (builder_at_end context (entry_block fn)));
1466
1467    ignore (PassManager.create_function m
1468             ++ PassManager.initialize
1469             ++ PassManager.run_function fn
1470             ++ PassManager.finalize
1471             ++ PassManager.dispose)
1472  end
1473
1474
1475(*===-- Memory Buffer -----------------------------------------------------===*)
1476
1477let test_memory_buffer () =
1478  group "memory buffer";
1479  let buf = MemoryBuffer.of_string "foobar" in
1480  insist ((MemoryBuffer.as_string buf) = "foobar")
1481
1482
1483(*===-- Writer ------------------------------------------------------------===*)
1484
1485let test_writer () =
1486  group "valid";
1487  insist (match Llvm_analysis.verify_module m with
1488          | None -> true
1489          | Some msg -> prerr_string msg; false);
1490
1491  group "writer";
1492  insist (write_bitcode_file m filename);
1493
1494  dispose_module m
1495
1496
1497(*===-- Driver ------------------------------------------------------------===*)
1498
1499let _ =
1500  suite "conversion"       test_conversion;
1501  suite "target"           test_target;
1502  suite "constants"        test_constants;
1503  suite "global values"    test_global_values;
1504  suite "global variables" test_global_variables;
1505  suite "uses"             test_uses;
1506  suite "users"            test_users;
1507  suite "aliases"          test_aliases;
1508  suite "functions"        test_functions;
1509  suite "params"           test_params;
1510  suite "basic blocks"     test_basic_blocks;
1511  suite "instructions"     test_instructions;
1512  suite "builder"          test_builder;
1513  suite "pass manager"     test_pass_manager;
1514  suite "memory buffer"    test_memory_buffer;
1515  suite "writer"           test_writer; (* Keep this last; it disposes m. *)
1516  exit !exit_status
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