1 (* RUN: cp %s %T/target.ml 2 * RUN: %ocamlc -g -w +A -package llvm.target -package llvm.all_backends -linkpkg %T/target.ml -o %t 3 * RUN: %ocamlopt -g -w +A -package llvm.target -package llvm.all_backends -linkpkg %T/target.ml -o %t 4 * RUN: %t %t.bc 5 * XFAIL: vg_leak 6 *) 7 8 (* Note: It takes several seconds for ocamlopt to link an executable with 9 libLLVMCore.a, so it's better to write a big test than a bunch of 10 little ones. *) 11 12 open Llvm 13 open Llvm_target 14 15 let () = Llvm_all_backends.initialize () 16 17 let context = global_context () 18 let i32_type = Llvm.i32_type context 19 let i64_type = Llvm.i64_type context 20 21 (* Tiny unit test framework - really just to help find which line is busted *) 22 let print_checkpoints = false 23 24 let _ = 25 Printexc.record_backtrace true 26 27 let assert_equal a b = 28 if a <> b then failwith "assert_equal" 29 30 31 (*===-- Fixture -----------------------------------------------------------===*) 32 33 let filename = Sys.argv.(1) 34 let m = create_module context filename 35 36 let target = Target.by_triple (Target.default_triple ()) 37 38 let machine = TargetMachine.create (Target.default_triple ()) target 39 40 (*===-- Data Layout -------------------------------------------------------===*) 41 42 let test_target_data () = 43 let module DL = DataLayout in 44 let layout = "e-p:32:32-f64:32:64-v64:32:64-v128:32:128-n32-S32" in 45 let dl = DL.of_string layout in 46 let sty = struct_type context [| i32_type; i64_type |] in 47 48 assert_equal (DL.as_string dl) layout; 49 assert_equal (DL.byte_order dl) Endian.Little; 50 assert_equal (DL.pointer_size dl) 4; 51 assert_equal (DL.intptr_type context dl) i32_type; 52 assert_equal (DL.qualified_pointer_size 0 dl) 4; 53 assert_equal (DL.qualified_intptr_type context 0 dl) i32_type; 54 assert_equal (DL.size_in_bits sty dl) (Int64.of_int 96); 55 assert_equal (DL.store_size sty dl) (Int64.of_int 12); 56 assert_equal (DL.abi_size sty dl) (Int64.of_int 12); 57 assert_equal (DL.stack_align sty dl) 4; 58 assert_equal (DL.preferred_align sty dl) 8; 59 assert_equal (DL.preferred_align_of_global (declare_global sty "g" m) dl) 8; 60 assert_equal (DL.element_at_offset sty (Int64.of_int 1) dl) 0; 61 assert_equal (DL.offset_of_element sty 1 dl) (Int64.of_int 4) 62 63 64 (*===-- Target ------------------------------------------------------------===*) 65 66 let test_target () = 67 let module T = Target in 68 ignore (T.succ target); 69 ignore (T.name target); 70 ignore (T.description target); 71 ignore (T.has_jit target); 72 ignore (T.has_target_machine target); 73 ignore (T.has_asm_backend target) 74 75 76 (*===-- Target Machine ----------------------------------------------------===*) 77 78 let test_target_machine () = 79 let module TM = TargetMachine in 80 assert_equal (TM.target machine) target; 81 assert_equal (TM.triple machine) (Target.default_triple ()); 82 assert_equal (TM.cpu machine) ""; 83 assert_equal (TM.features machine) ""; 84 ignore (TM.data_layout machine); 85 TM.set_verbose_asm true machine; 86 let pm = PassManager.create () in 87 TM.add_analysis_passes pm machine 88 89 90 (*===-- Code Emission -----------------------------------------------------===*) 91 92 let test_code_emission () = 93 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile filename machine; 94 try 95 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile 96 "/nonexistent/file" machine; 97 failwith "must raise" 98 with Llvm_target.Error _ -> 99 (); 100 101 let buf = TargetMachine.emit_to_memory_buffer m CodeGenFileType.ObjectFile 102 machine in 103 Llvm.MemoryBuffer.dispose buf 104 105 106 (*===-- Driver ------------------------------------------------------------===*) 107 108 let _ = 109 test_target_data (); 110 test_target (); 111 test_target_machine (); 112 test_code_emission (); 113 dispose_module m 114
