Import LLVM, at r72732.

8 files changed, 1462 insertions, 0 deletions

diff --git a/test/Bindings/Ocaml/analysis.ml b/test/Bindings/Ocaml/analysis.ml
new file mode 100644
index 0000000..5a6fde8
--- /dev/null
+++ b/test/Bindings/Ocaml/analysis.ml
@@ -0,0 +1,48 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma %s -o %t 2> /dev/null
+ * RUN: ./%t %t.bc
+ *)
+
+open Llvm
+open Llvm_analysis
+
+(* Note that this takes a moment to link, so it's best to keep the number of
+   individual tests low. *)
+
+let test x = if not x then exit 1 else ()
+
+let bomb msg =
+  prerr_endline msg;
+  exit 2
+
+let _ =
+  let fty = function_type void_type [| |] in
+  let m = create_module "valid_m" in
+  let fn = define_function "valid_fn" fty m in
+  let at_entry = builder_at_end (entry_block fn) in
+  ignore (build_ret_void at_entry);
+  
+  
+  (* Test that valid constructs verify. *)
+  begin match verify_module m with
+    Some msg -> bomb "valid module failed verification!"
+  | None -> ()
+  end;
+  
+  if not (verify_function fn) then bomb "valid function failed verification!";
+  
+  
+  (* Test that invalid constructs do not verify.
+     A basic block can contain only one terminator instruction. *)
+  ignore (build_ret_void at_entry);
+  
+  begin match verify_module m with
+    Some msg -> ()
+  | None -> bomb "invalid module passed verification!"
+  end;
+  
+  if verify_function fn then bomb "invalid function passed verification!";
+  
+  
+  dispose_module m
+  
+  (* Don't bother to test assert_valid_{module,function}. *)
diff --git a/test/Bindings/Ocaml/bitreader.ml b/test/Bindings/Ocaml/bitreader.ml
new file mode 100644
index 0000000..776228f
--- /dev/null
+++ b/test/Bindings/Ocaml/bitreader.ml
@@ -0,0 +1,75 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitreader.cma llvm_bitwriter.cma %s -o %t 2> /dev/null
+ * RUN: ./%t %t.bc
+ * RUN: llvm-dis < %t.bc | grep caml_int_ty
+ *)
+
+(* Note that this takes a moment to link, so it's best to keep the number of
+   individual tests low. *)
+
+let test x = if not x then exit 1 else ()
+
+let _ =
+  let fn = Sys.argv.(1) in
+  let m = Llvm.create_module "ocaml_test_module" in
+  
+  ignore (Llvm.define_type_name "caml_int_ty" Llvm.i32_type m);
+  
+  test (Llvm_bitwriter.write_bitcode_file m fn);
+  
+  Llvm.dispose_module m;
+  
+  (* parse_bitcode *)
+  begin
+    let mb = Llvm.MemoryBuffer.of_file fn in
+    begin try
+      let m = Llvm_bitreader.parse_bitcode mb in
+      Llvm.dispose_module m
+    with x ->
+      Llvm.MemoryBuffer.dispose mb;
+      raise x
+    end
+  end;
+  
+  (* MemoryBuffer.of_file *)
+  test begin try
+    let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
+    Llvm.MemoryBuffer.dispose mb;
+    false
+  with Llvm.IoError _ ->
+    true
+  end;
+  
+  (* get_module_provider *)
+  begin
+    let mb = Llvm.MemoryBuffer.of_file fn in
+    let mp = begin try
+      Llvm_bitreader.get_module_provider mb
+    with x ->
+      Llvm.MemoryBuffer.dispose mb;
+      raise x
+    end in
+    Llvm.ModuleProvider.dispose mp
+  end;
+  
+  (* corrupt the bitcode *)
+  let fn = fn ^ ".txt" in
+  begin let oc = open_out fn in
+    output_string oc "not a bitcode file\n";
+    close_out oc
+  end;
+  
+  (* test get_module_provider exceptions *)
+  test begin
+    try
+      let mb = Llvm.MemoryBuffer.of_file fn in
+      let mp = begin try
+        Llvm_bitreader.get_module_provider mb
+      with x ->
+        Llvm.MemoryBuffer.dispose mb;
+        raise x
+      end in
+      Llvm.ModuleProvider.dispose mp;
+      false
+    with Llvm_bitreader.Error _ ->
+      true
+  end
diff --git a/test/Bindings/Ocaml/bitwriter.ml b/test/Bindings/Ocaml/bitwriter.ml
new file mode 100644
index 0000000..ec9dbc8
--- /dev/null
+++ b/test/Bindings/Ocaml/bitwriter.ml
@@ -0,0 +1,16 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitwriter.cma %s -o %t 2> /dev/null
+ * RUN: ./%t %t.bc
+ * RUN: llvm-dis < %t.bc | grep caml_int_ty
+ *)
+
+(* Note that this takes a moment to link, so it's best to keep the number of
+   individual tests low. *)
+
+let test x = if not x then exit 1 else ()
+
+let _ =
+  let m = Llvm.create_module "ocaml_test_module" in
+  
+  ignore (Llvm.define_type_name "caml_int_ty" Llvm.i32_type m);
+  
+  test (Llvm_bitwriter.write_bitcode_file m Sys.argv.(1))
diff --git a/test/Bindings/Ocaml/executionengine.ml b/test/Bindings/Ocaml/executionengine.ml
new file mode 100644
index 0000000..726a700
--- /dev/null
+++ b/test/Bindings/Ocaml/executionengine.ml
@@ -0,0 +1,109 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_target.cma llvm_executionengine.cma %s -o %t 2> /dev/null
+ * RUN: ./%t %t.bc
+ *)
+
+open Llvm
+open Llvm_executionengine
+open Llvm_target
+
+(* Note that this takes a moment to link, so it's best to keep the number of
+   individual tests low. *)
+
+let bomb msg =
+  prerr_endline msg;
+  exit 2
+
+let define_main_fn m retval =
+  let fn =
+    let str_arr_type = pointer_type (pointer_type i8_type) in
+    define_function "main" (function_type i32_type [| i32_type;
+                                                      str_arr_type;
+                                                      str_arr_type |]) m in
+  let b = builder_at_end (entry_block fn) in
+  ignore (build_ret (const_int i32_type retval) b);
+  fn
+
+let define_plus m =
+  let fn = define_function "plus" (function_type i32_type [| i32_type;
+                                                             i32_type |]) m in
+  let b = builder_at_end (entry_block fn) in
+  let add = build_add (param fn 0) (param fn 1) "sum" b in
+  ignore (build_ret add b)
+
+let test_genericvalue () =
+  let tu = (1, 2) in
+  let ptrgv = GenericValue.of_pointer tu in
+  assert (tu = GenericValue.as_pointer ptrgv);
+  
+  let fpgv = GenericValue.of_float double_type 2. in
+  assert (2. = GenericValue.as_float double_type fpgv);
+  
+  let intgv = GenericValue.of_int i32_type 3 in
+  assert (3  = GenericValue.as_int intgv);
+  
+  let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
+  assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
+  
+  let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
+  assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
+  
+  let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
+  assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
+
+let test_executionengine () =
+  (* create *)
+  let m = create_module "test_module" in
+  let main = define_main_fn m 42 in
+  
+  let m2 = create_module "test_module2" in
+  define_plus m2;
+  
+  let ee = ExecutionEngine.create (ModuleProvider.create m) in
+  let mp2 = ModuleProvider.create m2 in
+  ExecutionEngine.add_module_provider mp2 ee;
+  
+  (* run_static_ctors *)
+  ExecutionEngine.run_static_ctors ee;
+  
+  (* run_function_as_main *)
+  let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
+  if 42 != res then bomb "main did not return 42";
+  
+  (* free_machine_code *)
+  ExecutionEngine.free_machine_code main ee;
+  
+  (* find_function *)
+  match ExecutionEngine.find_function "dne" ee with
+  | Some _ -> raise (Failure "find_function 'dne' failed")
+  | None ->
+  
+  match ExecutionEngine.find_function "plus" ee with
+  | None -> raise (Failure "find_function 'plus' failed")
+  | Some plus ->
+  
+  (* run_function *)
+  let res = ExecutionEngine.run_function plus
+                                         [| GenericValue.of_int i32_type 2;
+                                            GenericValue.of_int i32_type 2 |]
+                                         ee in
+  if 4 != GenericValue.as_int res then bomb "plus did not work";
+  
+  (* remove_module_provider *)
+  Llvm.dispose_module (ExecutionEngine.remove_module_provider mp2 ee);
+  
+  (* run_static_dtors *)
+  ExecutionEngine.run_static_dtors ee;
+
+  (* Show that the target data binding links and runs.*)
+  let td = ExecutionEngine.target_data ee in
+
+  (* Demonstrate that a garbage pointer wasn't returned. *)
+  let ty = intptr_type td in
+  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
+  
+  (* dispose *)
+  ExecutionEngine.dispose ee
+
+let _ =
+  test_genericvalue ();
+  test_executionengine ()
diff --git a/test/Bindings/Ocaml/ocaml.exp b/test/Bindings/Ocaml/ocaml.exp
new file mode 100644
index 0000000..59e5f99
--- /dev/null
+++ b/test/Bindings/Ocaml/ocaml.exp
@@ -0,0 +1,3 @@
+load_lib llvm.exp
+
+RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp,ml}]]
diff --git a/test/Bindings/Ocaml/scalar_opts.ml b/test/Bindings/Ocaml/scalar_opts.ml
new file mode 100644
index 0000000..0a65db9
--- /dev/null
+++ b/test/Bindings/Ocaml/scalar_opts.ml
@@ -0,0 +1,56 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_scalar_opts.cma llvm_target.cma %s -o %t 2> /dev/null
+ *)
+
+(* 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_scalar_opts
+open Llvm_target
+
+
+(* Tiny unit test framework - really just to help find which line is busted *)
+let suite name f =
+  prerr_endline (name ^ ":");
+  f ()
+
+
+(*===-- Fixture -----------------------------------------------------------===*)
+
+let filename = Sys.argv.(1)
+let m = create_module filename
+let mp = ModuleProvider.create m
+
+
+(*===-- Transforms --------------------------------------------------------===*)
+
+let test_transforms () =
+  let (++) x f = ignore (f x); x in
+
+  let fty = function_type void_type [| |] in
+  let fn = define_function "fn" fty m in
+  ignore (build_ret_void (builder_at_end (entry_block fn)));
+  
+  let td = TargetData.create (target_triple m) in
+  
+  ignore (PassManager.create_function mp
+           ++ TargetData.add td
+           ++ add_instruction_combining
+           ++ add_reassociation
+           ++ add_gvn
+           ++ add_cfg_simplification
+           ++ add_constant_propagation
+           ++ PassManager.initialize
+           ++ PassManager.run_function fn
+           ++ PassManager.finalize
+           ++ PassManager.dispose);
+  
+  TargetData.dispose td
+
+
+(*===-- Driver ------------------------------------------------------------===*)
+
+let _ =
+  suite "transforms" test_transforms;
+  ModuleProvider.dispose mp
diff --git a/test/Bindings/Ocaml/target.ml b/test/Bindings/Ocaml/target.ml
new file mode 100644
index 0000000..e6d08ed
--- /dev/null
+++ b/test/Bindings/Ocaml/target.ml
@@ -0,0 +1,51 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_target.cma %s -o %t 2> /dev/null
+ *)
+
+(* 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_target
+
+
+(* Tiny unit test framework - really just to help find which line is busted *)
+let suite name f =
+  prerr_endline (name ^ ":");
+  f ()
+
+
+(*===-- Fixture -----------------------------------------------------------===*)
+
+let filename = Sys.argv.(1)
+let m = create_module filename
+
+
+(*===-- Target Data -------------------------------------------------------===*)
+
+let test_target_data () =
+  let td = TargetData.create (target_triple m) in
+  let sty = struct_type [| i32_type; i64_type |] in
+  
+  ignore (TargetData.as_string td);
+  ignore (TargetData.invalidate_struct_layout td sty);
+  ignore (byte_order td);
+  ignore (pointer_size td);
+  ignore (intptr_type td);
+  ignore (size_in_bits td sty);
+  ignore (store_size td sty);
+  ignore (abi_size td sty);
+  ignore (stack_align td sty);
+  ignore (preferred_align td sty);
+  ignore (preferred_align_of_global td (declare_global sty "g" m));
+  ignore (element_at_offset td sty (Int64.of_int 1));
+  ignore (offset_of_element td sty 1);
+  
+  TargetData.dispose td
+
+
+(*===-- Driver ------------------------------------------------------------===*)
+
+let _ =
+  suite "target data" test_target_data;
+  dispose_module m
diff --git a/test/Bindings/Ocaml/vmcore.ml b/test/Bindings/Ocaml/vmcore.ml
new file mode 100644
index 0000000..9016d39
--- /dev/null
+++ b/test/Bindings/Ocaml/vmcore.ml
@@ -0,0 +1,1104 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t 2> /dev/null
+ * 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 suite_name = ref ""
+let group_name = ref ""
+let case_num = ref 0
+let print_checkpoints = false
+
+let group name =
+  group_name := !suite_name ^ "/" ^ name;
+  case_num := 0;
+  if print_checkpoints then
+    prerr_endline ("  " ^ name ^ "...")
+
+let insist cond =
+  incr case_num;
+  if not cond then
+    exit_status := 10;
+  match print_checkpoints, cond with
+  | false, true -> ()
+  | false, false ->
+      prerr_endline ("FAILED: " ^ !suite_name ^ "/" ^ !group_name ^ " #" ^ (string_of_int !case_num))
+  | true, true ->
+      prerr_endline ("    " ^ (string_of_int !case_num))
+  | true, false ->
+      prerr_endline ("    " ^ (string_of_int !case_num) ^ " FAIL")
+
+let suite name f =
+  suite_name := name;
+  if print_checkpoints then
+    prerr_endline (name ^ ":");
+  f ()
+
+
+(*===-- Fixture -----------------------------------------------------------===*)
+
+let filename = Sys.argv.(1)
+let m = create_module filename
+let mp = ModuleProvider.create m
+
+
+(*===-- Target ------------------------------------------------------------===*)
+
+let test_target () =
+  begin group "triple";
+    (* RUN: grep "i686-apple-darwin8" < %t.ll
+     *)
+    let trip = "i686-apple-darwin8" in
+    set_target_triple trip m;
+    insist (trip = target_triple m)
+  end;
+  
+  begin group "layout";
+    (* RUN: grep "bogus" < %t.ll
+     *)
+    let layout = "bogus" in
+    set_data_layout layout m;
+    insist (layout = data_layout m)
+  end
+
+(*===-- Types -------------------------------------------------------------===*)
+
+let test_types () =
+  (* RUN: grep {Ty01.*void} < %t.ll
+   *)
+  group "void";
+  insist (define_type_name "Ty01" void_type m);
+  insist (TypeKind.Void == classify_type void_type);
+
+  (* RUN: grep {Ty02.*i1} < %t.ll
+   *)
+  group "i1";
+  insist (define_type_name "Ty02" i1_type m);
+  insist (TypeKind.Integer == 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 = 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 (TypeKind.Float == classify_type float_type);
+
+  (* RUN: grep {Ty06.*double} < %t.ll
+   *)
+  group "double";
+  insist (define_type_name "Ty06" double_type m);
+  insist (TypeKind.Double == classify_type double_type);
+
+  (* RUN: grep {Ty07.*i32.*i1, double} < %t.ll
+   *)
+  group "function";
+  let ty = function_type i32_type [| i1_type; double_type |] in
+  insist (define_type_name "Ty07" ty m);
+  insist (TypeKind.Function = 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 "var arg function";
+  let ty = var_arg_function_type void_type [| i32_type |] 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 = 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 (TypeKind.Array == classify_type ty);
+  
+  begin group "pointer";
+    (* RUN: grep {UnqualPtrTy.*float\*} < %t.ll
+     *)
+    let ty = pointer_type float_type in
+    insist (define_type_name "UnqualPtrTy" ty m);
+    insist (float_type == element_type ty);
+    insist (0 == address_space ty);
+    insist (TypeKind.Pointer == classify_type ty)
+  end;
+  
+  begin group "qualified_pointer";
+    (* RUN: grep {QualPtrTy.*i8.*3.*\*} < %t.ll
+     *)
+    let ty = qualified_pointer_type i8_type 3 in
+    insist (define_type_name "QualPtrTy" ty m);
+    insist (i8_type == element_type ty);
+    insist (3 == address_space ty)
+  end;
+  
+  (* RUN: grep {Ty11.*\<4 x i16\>} < %t.ll
+   *)
+  group "vector";
+  let ty = 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 = opaque_type () in
+  insist (define_type_name "Ty12" ty m);
+  insist (ty == ty);
+  insist (ty <> opaque_type ());
+  
+  (* RUN: grep -v {Ty13} < %t.ll
+   *)
+  group "delete";
+  let ty = opaque_type () in
+  insist (define_type_name "Ty13" ty m);
+  delete_type_name "Ty13" m;
+  
+  (* RUN: grep -v {RecursiveTy.*RecursiveTy} < %t.ll
+   *)
+  group "recursive";
+  let ty = opaque_type () in
+  let th = handle_to_type ty in
+  refine_type ty (pointer_type ty);
+  let ty = type_of_handle th in
+  insist (define_type_name "RecursiveTy" ty m);
+  insist (ty == element_type ty)
+
+
+(*===-- Constants ---------------------------------------------------------===*)
+
+let test_constants () =
+  (* RUN: grep {Const01.*i32.*-1} < %t.ll
+   *)
+  group "int";
+  let c = const_int i32_type (-1) 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 = const_int i64_type (-1) 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 = const_of_int64 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 = const_string "cruel\000world" in
+  ignore (define_global "Const04" c m);
+  insist ((array_type i8_type 11) = type_of c);
+
+  (* RUN: grep {Const05.*"hi\\\\00again\\\\00"} < %t.ll
+   *)
+  group "stringz";
+  let c = const_stringz "hi\000again" in
+  ignore (define_global "Const05" c m);
+  insist ((array_type i8_type 9) = type_of c);
+
+  (* RUN: grep {ConstSingle.*2.75} < %t.ll
+   * RUN: grep {ConstDouble.*3.1459} < %t.ll
+   *)
+  begin group "real";
+    let cs = const_float float_type 2.75 in
+    ignore (define_global "ConstSingle" cs m);
+    insist (float_type = type_of cs);
+    
+    let cd = const_float double_type 3.1459 in
+    ignore (define_global "ConstDouble" cd m);
+    insist (double_type = type_of cd)
+  end;
+  
+  let one = const_int i16_type 1 in
+  let two = const_int i16_type 2 in
+  let three = const_int i32_type 3 in
+  let four = const_int i32_type 4 in
+  
+  (* RUN: grep {Const07.*\\\[i32 3, i32 4\\\]} < %t.ll
+   *)
+  group "array";
+  let c = const_array i32_type [| three; four |] in
+  ignore (define_global "Const07" c m);
+  insist ((array_type i32_type 2) = (type_of c));
+  
+  (* RUN: grep {Const08.*<i16 1, i16 2.*>} < %t.ll
+   *)
+  group "vector";
+  let c = const_vector [| one; two; one; two;
+                          one; two; one; two |] in
+  ignore (define_global "Const08" c m);
+  insist ((vector_type i16_type 8) = (type_of c));
+  
+  (* RUN: grep {Const09.*.i16 1, i16 2, i32 3, i32 4} < %t.ll
+   *)
+  group "structure";
+  let c = const_struct [| one; two; three; four |] in
+  ignore (define_global "Const09" c m);
+  insist ((struct_type [| i16_type; i16_type; i32_type; i32_type |])
+        = (type_of c));
+  
+  (* RUN: grep {Const10.*zeroinit} < %t.ll
+   *)
+  group "null";
+  let c = const_null (packed_struct_type [| i1_type; i8_type;
+                                            i64_type; double_type |]) in
+  ignore (define_global "Const10" c m);
+  
+  (* RUN: grep {Const11.*-1} < %t.ll
+   *)
+  group "all ones";
+  let c = const_all_ones i64_type in
+  ignore (define_global "Const11" c m);
+  
+  (* RUN: grep {Const12.*undef} < %t.ll
+   *)
+  group "undef";
+  let c = undef i1_type in
+  ignore (define_global "Const12" c m);
+  insist (i1_type = type_of c);
+  insist (is_undef c);
+  
+  group "constant arithmetic";
+  (* RUN: grep {ConstNeg.*sub} < %t.ll
+   * RUN: grep {ConstNot.*xor} < %t.ll
+   * RUN: grep {ConstAdd.*add} < %t.ll
+   * RUN: grep {ConstSub.*sub} < %t.ll
+   * RUN: grep {ConstMul.*mul} < %t.ll
+   * RUN: grep {ConstUDiv.*udiv} < %t.ll
+   * RUN: grep {ConstSDiv.*sdiv} < %t.ll
+   * RUN: grep {ConstFDiv.*fdiv} < %t.ll
+   * RUN: grep {ConstURem.*urem} < %t.ll
+   * RUN: grep {ConstSRem.*srem} < %t.ll
+   * RUN: grep {ConstFRem.*frem} < %t.ll
+   * RUN: grep {ConstAnd.*and} < %t.ll
+   * RUN: grep {ConstOr.*or} < %t.ll
+   * RUN: grep {ConstXor.*xor} < %t.ll
+   * RUN: grep {ConstICmp.*icmp} < %t.ll
+   * RUN: grep {ConstFCmp.*fcmp} < %t.ll
+   *)
+  let void_ptr = pointer_type i8_type in
+  let five = const_int i64_type 5 in
+  let ffive = const_uitofp five double_type in
+  let foldbomb_gv = define_global "FoldBomb" (const_null i8_type) m in
+  let foldbomb = const_ptrtoint foldbomb_gv i64_type in
+  let ffoldbomb = const_uitofp foldbomb double_type in
+  ignore (define_global "ConstNeg" (const_neg foldbomb) m);
+  ignore (define_global "ConstNot" (const_not foldbomb) m);
+  ignore (define_global "ConstAdd" (const_add foldbomb five) m);
+  ignore (define_global "ConstSub" (const_sub foldbomb five) m);
+  ignore (define_global "ConstMul" (const_mul foldbomb five) m);
+  ignore (define_global "ConstUDiv" (const_udiv foldbomb five) m);
+  ignore (define_global "ConstSDiv" (const_sdiv foldbomb five) m);
+  ignore (define_global "ConstFDiv" (const_fdiv ffoldbomb ffive) m);
+  ignore (define_global "ConstURem" (const_urem foldbomb five) m);
+  ignore (define_global "ConstSRem" (const_srem foldbomb five) m);
+  ignore (define_global "ConstFRem" (const_frem ffoldbomb ffive) m);
+  ignore (define_global "ConstAnd" (const_and foldbomb five) m);
+  ignore (define_global "ConstOr" (const_or foldbomb five) m);
+  ignore (define_global "ConstXor" (const_xor foldbomb five) m);
+  ignore (define_global "ConstICmp" (const_icmp Icmp.Sle foldbomb five) m);
+  ignore (define_global "ConstFCmp" (const_fcmp Fcmp.Ole ffoldbomb ffive) m);
+  
+  group "constant casts";
+  (* RUN: grep {ConstTrunc.*trunc} < %t.ll
+   * RUN: grep {ConstSExt.*sext} < %t.ll
+   * RUN: grep {ConstZExt.*zext} < %t.ll
+   * RUN: grep {ConstFPTrunc.*fptrunc} < %t.ll
+   * RUN: grep {ConstFPExt.*fpext} < %t.ll
+   * RUN: grep {ConstUIToFP.*uitofp} < %t.ll
+   * RUN: grep {ConstSIToFP.*sitofp} < %t.ll
+   * RUN: grep {ConstFPToUI.*fptoui} < %t.ll
+   * RUN: grep {ConstFPToSI.*fptosi} < %t.ll
+   * RUN: grep {ConstPtrToInt.*ptrtoint} < %t.ll
+   * RUN: grep {ConstIntToPtr.*inttoptr} < %t.ll
+   * RUN: grep {ConstBitCast.*bitcast} < %t.ll
+   *)
+  let i128_type = integer_type 128 in
+  ignore (define_global "ConstTrunc" (const_trunc (const_add foldbomb five)
+                                               i8_type) m);
+  ignore (define_global "ConstSExt" (const_sext foldbomb i128_type) m);
+  ignore (define_global "ConstZExt" (const_zext foldbomb i128_type) m);
+  ignore (define_global "ConstFPTrunc" (const_fptrunc ffoldbomb float_type) m);
+  ignore (define_global "ConstFPExt" (const_fpext ffoldbomb fp128_type) m);
+  ignore (define_global "ConstUIToFP" (const_uitofp foldbomb double_type) m);
+  ignore (define_global "ConstSIToFP" (const_sitofp foldbomb double_type) m);
+  ignore (define_global "ConstFPToUI" (const_fptoui ffoldbomb i32_type) m);
+  ignore (define_global "ConstFPToSI" (const_fptosi ffoldbomb i32_type) m);
+  ignore (define_global "ConstPtrToInt" (const_ptrtoint 
+    (const_gep (const_null (pointer_type i8_type))
+               [| const_int i32_type 1 |])
+    i32_type) m);
+  ignore (define_global "ConstIntToPtr" (const_inttoptr (const_add foldbomb five)
+                                                  void_ptr) m);
+  ignore (define_global "ConstBitCast" (const_bitcast ffoldbomb i64_type) m);
+  
+  group "misc constants";
+  (* RUN: grep {ConstSizeOf.*getelementptr.*null} < %t.ll
+   * RUN: grep {ConstGEP.*getelementptr} < %t.ll
+   * RUN: grep {ConstSelect.*select} < %t.ll
+   * RUN: grep {ConstExtractElement.*extractelement} < %t.ll
+   * RUN: grep {ConstInsertElement.*insertelement} < %t.ll
+   * RUN: grep {ConstShuffleVector.*shufflevector} < %t.ll
+   *)
+  ignore (define_global "ConstSizeOf" (size_of (pointer_type i8_type)) m);
+  ignore (define_global "ConstGEP" (const_gep foldbomb_gv [| five |]) m);
+  ignore (define_global "ConstSelect" (const_select
+    (const_icmp Icmp.Sle foldbomb five)
+    (const_int i8_type (-1))
+    (const_int i8_type 0)) m);
+  let zero = const_int i32_type 0 in
+  let one  = const_int i32_type 1 in
+  ignore (define_global "ConstExtractElement" (const_extractelement
+    (const_vector [| zero; one; zero; one |])
+    (const_trunc foldbomb i32_type)) m);
+  ignore (define_global "ConstInsertElement" (const_insertelement
+    (const_vector [| zero; one; zero; one |])
+    zero (const_trunc foldbomb i32_type)) m);
+  ignore (define_global "ConstShuffleVector" (const_shufflevector
+    (const_vector [| zero; one |])
+    (const_vector [| one; zero |])
+    (const_bitcast foldbomb (vector_type i32_type 2))) m)
+
+
+(*===-- Global Values -----------------------------------------------------===*)
+
+let test_global_values () =
+  let (++) x f = f x; x in
+  let zero32 = const_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 Linkage.Link_once in
+  insist (Linkage.Link_once = 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 Visibility.Hidden in
+  insist (Visibility.Hidden = 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 = const_int i32_type 42 in
+
+  (* RUN: grep {GVar01.*external} < %t.ll
+   *)
+  group "declarations";
+  insist (None == lookup_global "GVar01" m);
+  let g = declare_global i32_type "GVar01" m in
+  insist (is_declaration g);
+  insist (pointer_type float_type ==
+            type_of (declare_global float_type "GVar01" m));
+  insist (g == declare_global i32_type "GVar01" m);
+  insist (match lookup_global "GVar01" m with Some x -> x = g
+                                            | None -> false);
+  
+  (* 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;
+
+  (* RUN: grep -v {ConstGlobalVar.*constant} < %t.ll
+   *)
+  group "constant";
+  let g = define_global "ConstGlobalVar" fourty_two32 m in
+  insist (not (is_global_constant g));
+  set_global_constant true g;
+  insist (is_global_constant g);
+  
+  begin group "iteration";
+    let m = create_module "temp" in
+    
+    insist (At_end m = global_begin m);
+    insist (At_start m = global_end m);
+    
+    let g1 = declare_global i32_type "One" m in
+    let g2 = declare_global i32_type "Two" m in
+    
+    insist (Before g1 = global_begin m);
+    insist (Before g2 = global_succ g1);
+    insist (At_end m = global_succ g2);
+    
+    insist (After g2 = global_end m);
+    insist (After g1 = global_pred g2);
+    insist (At_start m = global_pred g1);
+    
+    let lf s x = s ^ "->" ^ value_name x in
+    insist ("->One->Two" = fold_left_globals lf "" m);
+    
+    let rf x s = value_name x ^ "<-" ^ s in
+    insist ("One<-Two<-" = fold_right_globals rf m "");
+    
+    dispose_module m
+  end
+
+
+(*===-- Functions ---------------------------------------------------------===*)
+
+let test_functions () =
+  let ty = function_type i32_type [| i32_type; i64_type |] in
+  let ty2 = function_type i8_type [| i8_type; i64_type |] in
+  
+  (* RUN: grep {declare i32 @Fn1\(i32, i64\)} < %t.ll
+   *)
+  begin group "declare";
+    insist (None = lookup_function "Fn1" m);
+    let fn = declare_function "Fn1" ty m in
+    insist (pointer_type ty = type_of fn);
+    insist (is_declaration fn);
+    insist (0 = Array.length (basic_blocks fn));
+    insist (pointer_type ty2 == type_of (declare_function "Fn1" ty2 m));
+    insist (fn == declare_function "Fn1" ty m);
+    insist (None <> lookup_function "Fn1" m);
+    insist (match lookup_function "Fn1" m with Some x -> x = fn
+                                             | None -> false);
+    insist (m == global_parent fn)
+  end;
+  
+  (* 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));
+  ignore (build_unreachable (builder_at_end (entry_block fn)));
+  
+  (* 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);
+  ignore (build_unreachable (builder_at_end (entry_block fn)));
+  
+  (* RUN: grep {fastcc.*Fn5} < %t.ll
+   *)
+  group "callconv";
+  let fn = define_function "Fn5" ty m in
+  insist (CallConv.c = function_call_conv fn);
+  set_function_call_conv CallConv.fast fn;
+  insist (CallConv.fast = function_call_conv fn);
+  ignore (build_unreachable (builder_at_end (entry_block fn)));
+  
+  begin group "gc";
+    (* RUN: grep {Fn6.*gc.*shadowstack} < %t.ll
+     *)
+    let fn = define_function "Fn6" ty m in
+    insist (None = gc fn);
+    set_gc (Some "ocaml") fn;
+    insist (Some "ocaml" = gc fn);
+    set_gc None fn;
+    insist (None = gc fn);
+    set_gc (Some "shadowstack") fn;
+    ignore (build_unreachable (builder_at_end (entry_block fn)));
+  end;
+  
+  begin group "iteration";
+    let m = create_module "temp" in
+    
+    insist (At_end m = function_begin m);
+    insist (At_start m = function_end m);
+    
+    let f1 = define_function "One" ty m in
+    let f2 = define_function "Two" ty m in
+    
+    insist (Before f1 = function_begin m);
+    insist (Before f2 = function_succ f1);
+    insist (At_end m = function_succ f2);
+    
+    insist (After f2 = function_end m);
+    insist (After f1 = function_pred f2);
+    insist (At_start m = function_pred f1);
+    
+    let lf s x = s ^ "->" ^ value_name x in
+    insist ("->One->Two" = fold_left_functions lf "" m);
+    
+    let rf x s = value_name x ^ "<-" ^ s in
+    insist ("One<-Two<-" = fold_right_functions rf m "");
+    
+    dispose_module m
+  end
+
+
+(*===-- Params ------------------------------------------------------------===*)
+
+let test_params () =
+  begin group "iteration";
+    let m = create_module "temp" in
+    
+    let vf = define_function "void" (function_type void_type [| |]) m in
+    
+    insist (At_end vf = param_begin vf);
+    insist (At_start vf = param_end vf);
+    
+    let ty = function_type void_type [| i32_type; i32_type |] in
+    let f = define_function "f" ty m in
+    let p1 = param f 0 in
+    let p2 = param f 1 in
+    set_value_name "One" p1;
+    set_value_name "Two" p2;
+    add_param_attr p1 Attribute.Sext;
+    add_param_attr p2 Attribute.Noalias;
+    remove_param_attr p2 Attribute.Noalias;
+    add_function_attr f Attribute.Nounwind;
+    add_function_attr f Attribute.Noreturn;
+    remove_function_attr f Attribute.Noreturn;
+
+    insist (Before p1 = param_begin f);
+    insist (Before p2 = param_succ p1);
+    insist (At_end f = param_succ p2);
+    
+    insist (After p2 = param_end f);
+    insist (After p1 = param_pred p2);
+    insist (At_start f = param_pred p1);
+    
+    let lf s x = s ^ "->" ^ value_name x in
+    insist ("->One->Two" = fold_left_params lf "" f);
+    
+    let rf x s = value_name x ^ "<-" ^ s in
+    insist ("One<-Two<-" = fold_right_params rf f "");
+    
+    dispose_module m
+  end
+
+
+(*===-- Basic Blocks ------------------------------------------------------===*)
+
+let test_basic_blocks () =
+  let ty = function_type void_type [| |] 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);
+  ignore (build_unreachable (builder_at_end bb));
+  
+  (* 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 "b" fn in
+  let bba = insert_block "a" bbb in
+  insist ([| bba; bbb |] = basic_blocks fn);
+  ignore (build_unreachable (builder_at_end bba));
+  ignore (build_unreachable (builder_at_end bbb));
+  
+  (* RUN: grep Bb3 < %t.ll
+   *)
+  group "name/value";
+  let fn = define_function "X4" ty m in
+  let bb = entry_block fn in
+  ignore (build_unreachable (builder_at_end bb));
+  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
+  ignore (build_unreachable (builder_at_end bb));
+  insist (bb = block_of_value (value_of_block bb));
+  insist (value_is_block (value_of_block bb));
+  insist (not (value_is_block (const_null i32_type)));
+  
+  begin group "iteration";
+    let m = create_module "temp" in
+    let f = declare_function "Temp" (function_type i32_type [| |]) m in
+    
+    insist (At_end f = block_begin f);
+    insist (At_start f = block_end f);
+    
+    let b1 = append_block "One" f in
+    let b2 = append_block "Two" f in
+    
+    insist (Before b1 = block_begin f);
+    insist (Before b2 = block_succ b1);
+    insist (At_end f = block_succ b2);
+    
+    insist (After b2 = block_end f);
+    insist (After b1 = block_pred b2);
+    insist (At_start f = block_pred b1);
+    
+    let lf s x = s ^ "->" ^ value_name (value_of_block x) in
+    insist ("->One->Two" = fold_left_blocks lf "" f);
+    
+    let rf x s = value_name (value_of_block x) ^ "<-" ^ s in
+    insist ("One<-Two<-" = fold_right_blocks rf f "");
+    
+    dispose_module m
+  end
+
+
+(*===-- Instructions ------------------------------------------------------===*)
+
+let test_instructions () =
+  begin group "iteration";
+    let m = create_module "temp" in
+    let fty = function_type void_type [| i32_type; i32_type |] in
+    let f = define_function "f" fty m in
+    let bb = entry_block f in
+    let b = builder_at (At_end bb) in
+    
+    insist (At_end bb = instr_begin bb);
+    insist (At_start bb = instr_end bb);
+    
+    let i1 = build_add (param f 0) (param f 1) "One" b in
+    let i2 = build_sub (param f 0) (param f 1) "Two" b in
+    
+    insist (Before i1 = instr_begin bb);
+    insist (Before i2 = instr_succ i1);
+    insist (At_end bb = instr_succ i2);
+    
+    insist (After i2 = instr_end bb);
+    insist (After i1 = instr_pred i2);
+    insist (At_start bb = instr_pred i1);
+    
+    let lf s x = s ^ "->" ^ value_name x in
+    insist ("->One->Two" = fold_left_instrs lf "" bb);
+    
+    let rf x s = value_name x ^ "<-" ^ s in
+    insist ("One<-Two<-" = fold_right_instrs rf bb "");
+    
+    dispose_module m
+  end
+
+
+(*===-- Builder -----------------------------------------------------------===*)
+
+let test_builder () =
+  let (++) x f = f x; x in
+  
+  begin group "parent";
+    insist (try
+              ignore (insertion_block (builder ()));
+              false
+            with Not_found ->
+              true);
+    
+    let fty = function_type void_type [| i32_type |] in
+    let fn = define_function "BuilderParent" fty m in
+    let bb = entry_block fn in
+    let b = builder_at_end bb in
+    let p = param fn 0 in
+    let sum = build_add p p "sum" b in
+    ignore (build_ret_void b);
+    
+    insist (fn = block_parent bb);
+    insist (fn = param_parent p);
+    insist (bb = instr_parent sum);
+    insist (bb = insertion_block b)
+  end;
+  
+  group "ret void";
+  begin
+    (* RUN: grep {ret void} < %t.ll
+     *)
+    let fty = function_type void_type [| |] 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 = function_type i32_type [| i32_type; i32_type |] 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;
+  
+  group "switch"; begin
+    (* RUN: grep {switch.*P1.*SwiBlock3} < %t.ll
+     * RUN: grep {2,.*SwiBlock2} < %t.ll
+     *)
+    let bb1 = append_block "SwiBlock1" fn in
+    let bb2 = append_block "SwiBlock2" fn in
+    ignore (build_unreachable (builder_at_end bb2));
+    let bb3 = append_block "SwiBlock3" fn in
+    ignore (build_unreachable (builder_at_end bb3));
+    let si = build_switch p1 bb3 1 (builder_at_end bb1) in
+    ignore (add_case si (const_int i32_type 2) bb2)
+  end;
+  
+  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);
+         ignore (build_unreachable 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);
+          ignore(build_unreachable b)
+  end;
+  
+  group "casts"; begin
+    let void_ptr = 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 {CallInst.*call.*P2.*P1} < %t.ll
+     * RUN: grep {CallInst.*cc63} < %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.*1.*1.*0.*0} < %t.ll
+     * RUN: grep {CallInst.*tail call} < %t.ll
+     *)
+    let ci = build_call fn [| p2; p1 |] "CallInst" atentry in
+    insist (CallConv.c = instruction_call_conv ci);
+    set_instruction_call_conv 63 ci;
+    insist (63 = instruction_call_conv ci);
+    insist (not (is_tail_call ci));
+    set_tail_call true ci;
+    insist (is_tail_call ci);
+    add_instruction_param_attr ci 1 Attribute.Sext;
+    add_instruction_param_attr ci 2 Attribute.Noalias;
+    remove_instruction_param_attr ci 2 Attribute.Noalias;
+    
+    let inst46 = build_icmp Icmp.Eq p1 p2 "Inst46" atentry in
+         ignore (build_select inst46 p1 p2 "Inst47" atentry);
+         ignore (build_va_arg
+                  (const_null (pointer_type (pointer_type i8_type)))
+                  i32_type "Inst48" atentry);
+    
+    (* Set up some vector vregs. *)
+    let one  = const_int i32_type 1 in
+    let zero = const_int i32_type 0 in
+    let t1 = const_vector [| one; zero; one; zero |] in
+    let t2 = const_vector [| zero; one; zero; one |] in
+    let t3 = const_vector [| 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
+    
+    ignore (build_extractelement vec1 p2 "Inst49" atentry);
+    ignore (build_insertelement vec1 p1 p2 "Inst50" atentry);
+    ignore (build_shufflevector vec1 vec2 t3 "Inst51" atentry);
+  end;
+  
+  group "phi"; begin
+    (* RUN: grep {PhiNode.*P1.*PhiBlock1.*P2.*PhiBlock2} < %t.ll
+     *)
+    let b1 = append_block "PhiBlock1" fn in
+    let b2 = append_block "PhiBlock2" fn in
+    
+    let jb = append_block "PhiJoinBlock" fn in
+    ignore (build_br jb (builder_at_end b1));
+    ignore (build_br jb (builder_at_end b2));
+    let at_jb = builder_at_end jb in
+    
+    let phi = build_phi [(p1, b1)] "PhiNode" at_jb in
+    insist ([(p1, b1)] = incoming phi);
+    
+    add_incoming (p2, b2) phi;
+    insist ([(p1, b1); (p2, b2)] = incoming phi);
+    
+    ignore (build_unreachable at_jb);
+  end
+
+
+(*===-- Module Provider ---------------------------------------------------===*)
+
+let test_module_provider () =
+  let m = create_module "test" in
+  let mp = ModuleProvider.create m in
+  ModuleProvider.dispose mp
+
+
+(*===-- Pass Managers -----------------------------------------------------===*)
+
+let test_pass_manager () =
+  let (++) x f = ignore (f x); x in
+
+  begin group "module pass manager";
+    ignore (PassManager.create ()
+             ++ PassManager.run_module m
+             ++ PassManager.dispose)
+  end;
+  
+  begin group "function pass manager";
+    let fty = function_type void_type [| |] in
+    let fn = define_function "FunctionPassManager" fty m in
+    ignore (build_ret_void (builder_at_end (entry_block fn)));
+    
+    ignore (PassManager.create_function mp
+             ++ PassManager.initialize
+             ++ PassManager.run_function fn
+             ++ PassManager.finalize
+             ++ PassManager.dispose)
+  end
+
+
+(*===-- Writer ------------------------------------------------------------===*)
+
+let test_writer () =
+  group "valid";
+  insist (match Llvm_analysis.verify_module m with
+          | None -> true
+          | Some msg -> prerr_string msg; false);
+
+  group "writer";
+  insist (write_bitcode_file m filename);
+  
+  ModuleProvider.dispose mp
+
+
+(*===-- Driver ------------------------------------------------------------===*)
+
+let _ =
+  suite "target"           test_target;
+  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 "params"           test_params;
+  suite "basic blocks"     test_basic_blocks;
+  suite "instructions"     test_instructions;
+  suite "builder"          test_builder;
+  suite "module provider"  test_module_provider;
+  suite "pass manager"     test_pass_manager;
+  suite "writer"           test_writer; (* Keep this last; it disposes m. *)
+  exit !exit_status