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llvm-project/llvm/test/Bindings/Ocaml/vmcore.ml

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(* RUN: %ocamlc llvm.cma llvm_bitwriter.cma %s -o %t
* RUN: ./%t %t.bc
* RUN: llvm-dis < %t.bc > %t.ll
*)
(* Note: It takes several seconds for ocamlc to link an executable with
libLLVMCore.a, so it's better to write a big test than a bunch of
little ones. *)
open Llvm
open Llvm_bitwriter
(* Tiny unit test framework - really just to help find which line is busted *)
let exit_status = ref 0
let case_num = ref 0
let group name =
case_num := 0;
prerr_endline (" " ^ name ^ "...")
let insist cond =
incr case_num;
let msg = if cond then " pass " else begin
exit_status := 10;
" FAIL "
end in
prerr_endline (msg ^ (string_of_int !case_num))
let suite name f =
prerr_endline (name ^ ":");
f ()
(*===-- Fixture -----------------------------------------------------------===*)
let filename = Sys.argv.(1)
let m = create_module filename
(*===-- Types -------------------------------------------------------------===*)
let test_types () =
(* RUN: grep {Ty01.*void} < %t.ll
*)
group "void";
insist (define_type_name "Ty01" void_type m);
insist (Void_type == classify_type void_type);
(* RUN: grep {Ty02.*i1} < %t.ll
*)
group "i1";
insist (define_type_name "Ty02" i1_type m);
insist (Integer_type == classify_type i1_type);
(* RUN: grep {Ty03.*i32} < %t.ll
*)
group "i32";
insist (define_type_name "Ty03" i32_type m);
(* RUN: grep {Ty04.*i42} < %t.ll
*)
group "i42";
let ty = make_integer_type 42 in
insist (define_type_name "Ty04" ty m);
(* RUN: grep {Ty05.*float} < %t.ll
*)
group "float";
insist (define_type_name "Ty05" float_type m);
insist (Float_type == classify_type float_type);
(* RUN: grep {Ty06.*double} < %t.ll
*)
group "double";
insist (define_type_name "Ty06" double_type m);
insist (Double_type == classify_type double_type);
(* RUN: grep {Ty07.*i32.*i1, double} < %t.ll
*)
group "function";
let ty = make_function_type i32_type [| i1_type; double_type |] false in
insist (define_type_name "Ty07" ty m);
insist (Function_type = classify_type ty);
insist (not (is_var_arg ty));
insist (i32_type == return_type ty);
insist (double_type == (param_types ty).(1));
(* RUN: grep {Ty08.*\.\.\.} < %t.ll
*)
group "vararg";
let ty = make_function_type void_type [| i32_type |] true in
insist (define_type_name "Ty08" ty m);
insist (is_var_arg ty);
(* RUN: grep {Ty09.*\\\[7 x i8\\\]} < %t.ll
*)
group "array";
let ty = make_array_type i8_type 7 in
insist (define_type_name "Ty09" ty m);
insist (7 = array_length ty);
insist (i8_type == element_type ty);
insist (Array_type == classify_type ty);
(* RUN: grep {Ty10.*float\*} < %t.ll
*)
group "pointer";
let ty = make_pointer_type float_type in
insist (define_type_name "Ty10" ty m);
insist (float_type == element_type ty);
insist (Pointer_type == classify_type ty);
(* RUN: grep {Ty11.*\<4 x i16\>} < %t.ll
*)
group "vector";
let ty = make_vector_type i16_type 4 in
insist (define_type_name "Ty11" ty m);
insist (i16_type == element_type ty);
insist (4 = vector_size ty);
(* RUN: grep {Ty12.*opaque} < %t.ll
*)
group "opaque";
let ty = make_opaque_type () in
insist (define_type_name "Ty12" ty m);
insist (ty == ty);
insist (ty <> make_opaque_type ());
(* RUN: grep -v {Ty13} < %t.ll
*)
group "delete";
let ty = make_opaque_type () in
insist (define_type_name "Ty13" ty m);
delete_type_name "Ty13" m
(*===-- Constants ---------------------------------------------------------===*)
let test_constants () =
(* RUN: grep {Const01.*i32.*-1} < %t.ll
*)
group "int";
let c = make_int_constant i32_type (-1) true in
ignore (define_global "Const01" c m);
insist (i32_type = type_of c);
insist (is_constant c);
(* RUN: grep {Const02.*i64.*-1} < %t.ll
*)
group "sext int";
let c = make_int_constant i64_type (-1) true in
ignore (define_global "Const02" c m);
insist (i64_type = type_of c);
(* RUN: grep {Const03.*i64.*4294967295} < %t.ll
*)
group "zext int64";
let c = make_int64_constant i64_type (Int64.of_string "4294967295") false in
ignore (define_global "Const03" c m);
insist (i64_type = type_of c);
(* RUN: grep {Const04.*"cruel\\\\00world"} < %t.ll
*)
group "string";
let c = make_string_constant "cruel\000world" false in
ignore (define_global "Const04" c m);
insist ((make_array_type i8_type 11) = type_of c);
(* RUN: grep {Const05.*"hi\\\\00again\\\\00"} < %t.ll
*)
group "string w/ null";
let c = make_string_constant "hi\000again" true in
ignore (define_global "Const05" c m);
insist ((make_array_type i8_type 9) = type_of c);
(* RUN: grep {Const06.*3.1459} < %t.ll
*)
group "real";
let c = make_real_constant double_type 3.1459 in
ignore (define_global "Const06" c m);
insist (double_type = type_of c);
let one = make_int_constant i16_type 1 true in
let two = make_int_constant i16_type 2 true in
let three = make_int_constant i32_type 3 true in
let four = make_int_constant i32_type 4 true in
(* RUN: grep {Const07.*\\\[ i32 3, i32 4 \\\]} < %t.ll
*)
group "array";
let c = make_array_constant i32_type [| three; four |] in
ignore (define_global "Const07" c m);
insist ((make_array_type i32_type 2) = (type_of c));
(* RUN: grep {Const08.*< i16 1, i16 2.* >} < %t.ll
*)
group "vector";
let c = make_vector_constant [| one; two; one; two;
one; two; one; two |] in
ignore (define_global "Const08" c m);
insist ((make_vector_type i16_type 8) = (type_of c));
(* RUN: grep {Const09.*\{ i16, i16, i32, i32 \} \{} < %t.ll
*)
group "structure";
let c = make_struct_constant [| one; two; three; four |] false in
ignore (define_global "Const09" c m);
insist ((make_struct_type [| i16_type; i16_type; i32_type; i32_type |] false)
= (type_of c));
(* RUN: grep {Const10.*zeroinit} < %t.ll
*)
group "null";
let c = make_null (make_struct_type [| i1_type; i8_type;
i64_type; double_type |] true) in
ignore (define_global "Const10" c m);
(* RUN: grep {Const11.*-1} < %t.ll
*)
group "all ones";
let c = make_all_ones i64_type in
ignore (define_global "Const11" c m);
(* RUN: grep {Const12.*undef} < %t.ll
*)
group "undef";
let c = make_undef i1_type in
ignore (define_global "Const12" c m);
insist (i1_type = type_of c);
insist (is_undef c)
(*===-- Global Values -----------------------------------------------------===*)
let test_global_values () =
let (++) x f = f x; x in
let zero32 = make_null i32_type in
(* RUN: grep {GVal01} < %t.ll
*)
group "naming";
let g = define_global "TEMPORARY" zero32 m in
insist ("TEMPORARY" = value_name g);
set_value_name "GVal01" g;
insist ("GVal01" = value_name g);
(* RUN: grep {GVal02.*linkonce} < %t.ll
*)
group "linkage";
let g = define_global "GVal02" zero32 m ++
set_linkage Link_once_linkage in
insist (Link_once_linkage = linkage g);
(* RUN: grep {GVal03.*Hanalei} < %t.ll
*)
group "section";
let g = define_global "GVal03" zero32 m ++
set_section "Hanalei" in
insist ("Hanalei" = section g);
(* RUN: grep {GVal04.*hidden} < %t.ll
*)
group "visibility";
let g = define_global "GVal04" zero32 m ++
set_visibility Hidden_visibility in
insist (Hidden_visibility = visibility g);
(* RUN: grep {GVal05.*align 128} < %t.ll
*)
group "alignment";
let g = define_global "GVal05" zero32 m ++
set_alignment 128 in
insist (128 = alignment g)
(*===-- Global Variables --------------------------------------------------===*)
let test_global_variables () =
let (++) x f = f x; x in
let fourty_two32 = make_int_constant i32_type 42 false in
(* RUN: grep {GVar01.*external} < %t.ll
*)
group "declarations";
let g = declare_global i32_type "GVar01" m in
insist (is_declaration g);
(* RUN: grep {GVar02.*42} < %t.ll
* RUN: grep {GVar03.*42} < %t.ll
*)
group "definitions";
let g = define_global "GVar02" fourty_two32 m in
let g2 = declare_global i32_type "GVar03" m ++
set_initializer fourty_two32 in
insist (not (is_declaration g));
insist (not (is_declaration g2));
insist ((global_initializer g) == (global_initializer g2));
(* RUN: grep {GVar04.*thread_local} < %t.ll
*)
group "threadlocal";
let g = define_global "GVar04" fourty_two32 m ++
set_thread_local true in
insist (is_thread_local g);
(* RUN: grep -v {GVar05} < %t.ll
*)
group "delete";
let g = define_global "GVar05" fourty_two32 m in
delete_global g
(*===-- Functions ---------------------------------------------------------===*)
let test_functions () =
let ty = make_function_type i32_type [| i32_type; i64_type |] false in
let pty = make_pointer_type ty in
(* RUN: grep {declare i32 @Fn1\(i32, i64\)} < %t.ll
*)
group "declare";
let fn = declare_function "Fn1" ty m in
insist (pty = type_of fn);
insist (is_declaration fn);
insist (0 = Array.length (basic_blocks fn));
(* RUN: grep -v {Fn2} < %t.ll
*)
group "delete";
let fn = declare_function "Fn2" ty m in
delete_function fn;
(* RUN: grep {define.*Fn3} < %t.ll
*)
group "define";
let fn = define_function "Fn3" ty m in
insist (not (is_declaration fn));
insist (1 = Array.length (basic_blocks fn));
(* this function is not valid because init bb lacks a terminator *)
(* RUN: grep {define.*Fn4.*Param1.*Param2} < %t.ll
*)
group "params";
let fn = define_function "Fn4" ty m in
let params = params fn in
insist (2 = Array.length params);
insist (params.(0) = param fn 0);
insist (params.(1) = param fn 1);
insist (i32_type = type_of params.(0));
insist (i64_type = type_of params.(1));
set_value_name "Param1" params.(0);
set_value_name "Param2" params.(1);
(* this function is not valid because init bb lacks a terminator *)
(* RUN: grep {fastcc.*Fn5} < %t.ll
*)
group "callconv";
let fn = define_function "Fn5" ty m in
insist (ccc = function_call_conv fn);
set_function_call_conv fastcc fn;
insist (fastcc = function_call_conv fn)
(*===-- Basic Blocks ------------------------------------------------------===*)
let test_basic_blocks () =
let ty = make_function_type void_type [| |] false in
(* RUN: grep {Bb1} < %t.ll
*)
group "entry";
let fn = declare_function "X" ty m in
let bb = append_block "Bb1" fn in
insist (bb = entry_block fn);
(* RUN: grep -v Bb2 < %t.ll
*)
group "delete";
let fn = declare_function "X2" ty m in
let bb = append_block "Bb2" fn in
delete_block bb;
group "insert";
let fn = declare_function "X3" ty m in
let bbb = append_block "" fn in
let bba = insert_block "" bbb in
insist ([| bba; bbb |] = basic_blocks fn);
(* RUN: grep Bb3 < %t.ll
*)
group "name/value";
let fn = define_function "X4" ty m in
let bb = entry_block fn in
let bbv = value_of_block bb in
set_value_name "Bb3" bbv;
insist ("Bb3" = value_name bbv);
group "casts";
let fn = define_function "X5" ty m in
let bb = entry_block fn in
insist (bb = block_of_value (value_of_block bb));
insist (value_is_block (value_of_block bb));
insist (not (value_is_block (make_null i32_type)))
(*===-- Builder -----------------------------------------------------------===*)
let test_builder () =
let (++) x f = f x; x in
group "ret void";
begin
(* RUN: grep {ret void} < %t.ll
*)
let fty = make_function_type void_type [| |] false in
let fn = declare_function "X6" fty m in
let b = builder_at_end (append_block "Bb01" fn) in
ignore (build_ret_void b)
end;
(* The rest of the tests will use one big function. *)
let fty = make_function_type i32_type [| i32_type; i32_type |] false in
let fn = define_function "X7" fty m in
let atentry = builder_at_end (entry_block fn) in
let p1 = param fn 0 ++ set_value_name "P1" in
let p2 = param fn 1 ++ set_value_name "P2" in
let f1 = build_uitofp p1 float_type "F1" atentry in
let f2 = build_uitofp p2 float_type "F2" atentry in
let bb00 = append_block "Bb00" fn in
ignore (build_unreachable (builder_at_end bb00));
group "ret"; begin
(* RUN: grep {ret.*P1} < %t.ll
*)
let ret = build_ret p1 atentry in
position_before ret atentry
end;
group "br"; begin
(* RUN: grep {br.*Bb02} < %t.ll
*)
let bb02 = append_block "Bb02" fn in
let b = builder_at_end bb02 in
ignore (build_br bb02 b)
end;
group "cond_br"; begin
(* RUN: grep {br.*Inst01.*Bb03.*Bb00} < %t.ll
*)
let bb03 = append_block "Bb03" fn in
let b = builder_at_end bb03 in
let cond = build_trunc p1 i1_type "Inst01" b in
ignore (build_cond_br cond bb03 bb00 b)
end;
(* TODO: Switch *)
group "invoke"; begin
(* RUN: grep {Inst02.*invoke.*P1.*P2} < %t.ll
* RUN: grep {to.*Bb04.*unwind.*Bb00} < %t.ll
*)
let bb04 = append_block "Bb04" fn in
let b = builder_at_end bb04 in
ignore (build_invoke fn [| p1; p2 |] bb04 bb00 "Inst02" b)
end;
group "unwind"; begin
(* RUN: grep {unwind} < %t.ll
*)
let bb05 = append_block "Bb05" fn in
let b = builder_at_end bb05 in
ignore (build_unwind b)
end;
group "unreachable"; begin
(* RUN: grep {unreachable} < %t.ll
*)
let bb06 = append_block "Bb06" fn in
let b = builder_at_end bb06 in
ignore (build_unreachable b)
end;
group "arithmetic"; begin
let bb07 = append_block "Bb07" fn in
let b = builder_at_end bb07 in
(* RUN: grep {Inst03.*add.*P1.*P2} < %t.ll
* RUN: grep {Inst04.*sub.*P1.*Inst03} < %t.ll
* RUN: grep {Inst05.*mul.*P1.*Inst04} < %t.ll
* RUN: grep {Inst06.*udiv.*P1.*Inst05} < %t.ll
* RUN: grep {Inst07.*sdiv.*P1.*Inst06} < %t.ll
* RUN: grep {Inst08.*fdiv.*F1.*F2} < %t.ll
* RUN: grep {Inst09.*urem.*P1.*Inst07} < %t.ll
* RUN: grep {Inst10.*srem.*P1.*Inst09} < %t.ll
* RUN: grep {Inst11.*frem.*F1.*Inst08} < %t.ll
* RUN: grep {Inst12.*shl.*P1.*Inst10} < %t.ll
* RUN: grep {Inst13.*lshr.*P1.*Inst12} < %t.ll
* RUN: grep {Inst14.*ashr.*P1.*Inst13} < %t.ll
* RUN: grep {Inst15.*and.*P1.*Inst14} < %t.ll
* RUN: grep {Inst16.*or.*P1.*Inst15} < %t.ll
* RUN: grep {Inst17.*xor.*P1.*Inst16} < %t.ll
* RUN: grep {Inst18.*sub.*0.*Inst17} < %t.ll
* RUN: grep {Inst19.*xor.*Inst18.*-1} < %t.ll
*)
let inst03 = build_add p1 p2 "Inst03" b in
let inst04 = build_sub p1 inst03 "Inst04" b in
let inst05 = build_mul p1 inst04 "Inst05" b in
let inst06 = build_udiv p1 inst05 "Inst06" b in
let inst07 = build_sdiv p1 inst06 "Inst07" b in
let inst08 = build_fdiv f1 f2 "Inst08" b in
let inst09 = build_urem p1 inst07 "Inst09" b in
let inst10 = build_srem p1 inst09 "Inst10" b in
ignore(build_frem f1 inst08 "Inst11" b);
let inst12 = build_shl p1 inst10 "Inst12" b in
let inst13 = build_lshr p1 inst12 "Inst13" b in
let inst14 = build_ashr p1 inst13 "Inst14" b in
let inst15 = build_and p1 inst14 "Inst15" b in
let inst16 = build_or p1 inst15 "Inst16" b in
let inst17 = build_xor p1 inst16 "Inst17" b in
let inst18 = build_neg inst17 "Inst18" b in
ignore (build_not inst18 "Inst19" b)
end;
group "memory"; begin
let bb08 = append_block "Bb08" fn in
let b = builder_at_end bb08 in
(* RUN: grep {Inst20.*malloc.*i8 } < %t.ll
* RUN: grep {Inst21.*malloc.*i8.*P1} < %t.ll
* RUN: grep {Inst22.*alloca.*i32 } < %t.ll
* RUN: grep {Inst23.*alloca.*i32.*P2} < %t.ll
* RUN: grep {free.*Inst20} < %t.ll
* RUN: grep {Inst25.*load.*Inst21} < %t.ll
* RUN: grep {store.*P2.*Inst22} < %t.ll
* RUN: grep {Inst27.*getelementptr.*Inst23.*P2} < %t.ll
*)
let inst20 = build_malloc i8_type "Inst20" b in
let inst21 = build_array_malloc i8_type p1 "Inst21" b in
let inst22 = build_alloca i32_type "Inst22" b in
let inst23 = build_array_alloca i32_type p2 "Inst23" b in
ignore(build_free inst20 b);
ignore(build_load inst21 "Inst25" b);
ignore(build_store p2 inst22 b);
ignore(build_gep inst23 [| p2 |] "Inst27" b)
end;
group "casts"; begin
let void_ptr = make_pointer_type i8_type in
(* RUN: grep {Inst28.*trunc.*P1.*i8} < %t.ll
* RUN: grep {Inst29.*zext.*Inst28.*i32} < %t.ll
* RUN: grep {Inst30.*sext.*Inst29.*i64} < %t.ll
* RUN: grep {Inst31.*uitofp.*Inst30.*float} < %t.ll
* RUN: grep {Inst32.*sitofp.*Inst29.*double} < %t.ll
* RUN: grep {Inst33.*fptoui.*Inst31.*i32} < %t.ll
* RUN: grep {Inst34.*fptosi.*Inst32.*i64} < %t.ll
* RUN: grep {Inst35.*fptrunc.*Inst32.*float} < %t.ll
* RUN: grep {Inst36.*fpext.*Inst35.*double} < %t.ll
* RUN: grep {Inst37.*inttoptr.*P1.*i8\*} < %t.ll
* RUN: grep {Inst38.*ptrtoint.*Inst37.*i64} < %t.ll
* RUN: grep {Inst39.*bitcast.*Inst38.*double} < %t.ll
*)
let inst28 = build_trunc p1 i8_type "Inst28" atentry in
let inst29 = build_zext inst28 i32_type "Inst29" atentry in
let inst30 = build_sext inst29 i64_type "Inst30" atentry in
let inst31 = build_uitofp inst30 float_type "Inst31" atentry in
let inst32 = build_sitofp inst29 double_type "Inst32" atentry in
ignore(build_fptoui inst31 i32_type "Inst33" atentry);
ignore(build_fptosi inst32 i64_type "Inst34" atentry);
let inst35 = build_fptrunc inst32 float_type "Inst35" atentry in
ignore(build_fpext inst35 double_type "Inst36" atentry);
let inst37 = build_inttoptr p1 void_ptr "Inst37" atentry in
let inst38 = build_ptrtoint inst37 i64_type "Inst38" atentry in
ignore(build_bitcast inst38 double_type "Inst39" atentry)
end;
group "comparisons"; begin
(* RUN: grep {Inst40.*icmp.*ne.*P1.*P2} < %t.ll
* RUN: grep {Inst41.*icmp.*sle.*P2.*P1} < %t.ll
* RUN: grep {Inst42.*fcmp.*false.*F1.*F2} < %t.ll
* RUN: grep {Inst43.*fcmp.*true.*F2.*F1} < %t.ll
*)
ignore (build_icmp Icmp_ne p1 p2 "Inst40" atentry);
ignore (build_icmp Icmp_sle p2 p1 "Inst41" atentry);
ignore (build_fcmp Fcmp_false f1 f2 "Inst42" atentry);
ignore (build_fcmp Fcmp_true f2 f1 "Inst43" atentry)
end;
group "miscellaneous"; begin
(* RUN: grep {Inst45.*call.*P2.*P1} < %t.ll
* RUN: grep {Inst47.*select.*Inst46.*P1.*P2} < %t.ll
* RUN: grep {Inst48.*va_arg.*null.*i32} < %t.ll
* RUN: grep {Inst49.*extractelement.*Vec1.*P2} < %t.ll
* RUN: grep {Inst50.*insertelement.*Vec1.*P1.*P2} < %t.ll
* RUN: grep {Inst51.*shufflevector.*Vec1.*Vec2.*Vec3} < %t.ll
*)
(* TODO: %Inst44 = Phi *)
ignore (build_call fn [| p2; p1 |] "Inst45" atentry);
let inst46 = build_icmp Icmp_eq p1 p2 "Inst46" atentry in
ignore (build_select inst46 p1 p2 "Inst47" atentry);
ignore (build_va_arg
(make_null (make_pointer_type (make_pointer_type i8_type)))
i32_type "Inst48" atentry);
(* Set up some vector vregs. *)
let one = make_int_constant i32_type (-1) true in
let zero = make_int_constant i32_type 1 true in
let t1 = make_vector_constant [| one; zero; one; zero |] in
let t2 = make_vector_constant [| zero; one; zero; one |] in
let t3 = make_vector_constant [| one; one; zero; zero |] in
let vec1 = build_insertelement t1 p1 p2 "Vec1" atentry in
let vec2 = build_insertelement t2 p1 p2 "Vec2" atentry in
let vec3 = build_insertelement t3 p1 p2 "Vec3" atentry in
ignore (build_extractelement vec1 p2 "Inst49" atentry);
ignore (build_insertelement vec1 p1 p2 "Inst50" atentry);
ignore (build_shufflevector vec1 vec2 vec3 "Inst51" atentry);
end
(*===-- Writer ------------------------------------------------------------===*)
let test_writer () =
group "writer";
insist (write_bitcode_file m filename);
dispose_module m
(*===-- Driver ------------------------------------------------------------===*)
let _ =
suite "types" test_types;
suite "constants" test_constants;
suite "global values" test_global_values;
suite "global variables" test_global_variables;
suite "functions" test_functions;
suite "basic blocks" test_basic_blocks;
suite "builder" test_builder;
suite "writer" test_writer;
exit !exit_status
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