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86b02ee8afa1866397907d1510a1d9f9c2be5b2d
carbon-lang/toolchain/check/testdata/interop/cpp/function/decayed_param.carbon
T
Richard Smith 86b02ee8af Interop support for nullptr and nullptr_t. (#6353) 
Add a `Core.CppCompat.NullptrT` type that C++'s `nullptr_t` maps into.
Map `nullptr` to an uninitialized constant of that type -- `nullptr`
doesn't actually have any defined bits within it, despite having the
same representation as `void*`.
2025-11-12 23:23:48 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/decayed_param.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/decayed_param.carbon
// --- params.h
void TakesArray(int arr[42]);
void TakesFunction(int f(int));
int Function(int);
// --- call_params.carbon
library "[[@TEST_NAME]]";
import Cpp library "params.h";
fn G(n: i32) -> i32;
fn F() {
//@dump-sem-ir-begin
var n: array(i32, 42);
Cpp.TakesArray(&n[0]);
Cpp.TakesArray(Cpp.nullptr);
//@dump-sem-ir-end
}
// --- fail_todo_call_params_2.carbon
library "[[@TEST_NAME]]";
import Cpp library "params.h";
fn G(n: i32) -> i32;
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_call_params_2.carbon:[[@LINE+4]]:21: error: call argument of type `<type of G>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.TakesFunction(G);
// CHECK:STDERR: ^
// CHECK:STDERR:
Cpp.TakesFunction(G);
// CHECK:STDERR: fail_todo_call_params_2.carbon:[[@LINE+4]]:21: error: call argument of type `<type of Cpp.Function>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.TakesFunction(Cpp.Function);
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesFunction(Cpp.Function);
var n: array(i32, 42);
// CHECK:STDERR: fail_todo_call_params_2.carbon:[[@LINE+8]]:26: error: no matching function for call to 'TakesFunction' [CppInteropParseError]
// CHECK:STDERR: 31 | Cpp.TakesFunction(&n[0]);
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_todo_call_params_2.carbon:[[@LINE-22]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./params.h:3:6: note: candidate function not viable: no known conversion from 'int * _Nonnull' to 'int (*)(int)' for 1st argument [CppInteropParseNote]
// CHECK:STDERR: 3 | void TakesFunction(int f(int));
// CHECK:STDERR: | ^ ~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesFunction(&n[0]);
// CHECK:STDERR: fail_todo_call_params_2.carbon:[[@LINE+4]]:3: error: semantics TODO: `Unsupported: parameter type: int (*)(int)` [SemanticsTodo]
// CHECK:STDERR: Cpp.TakesFunction(Cpp.nullptr);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesFunction(Cpp.nullptr);
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- call_params.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %int_42: Core.IntLiteral = int_value 42 [concrete]
// CHECK:STDOUT: %array_type: type = array_type %int_42, %i32 [concrete]
// CHECK:STDOUT: %ptr.830: type = ptr_type %array_type [concrete]
// CHECK:STDOUT: %pattern_type.b6e: type = pattern_type %array_type [concrete]
// CHECK:STDOUT: %TakesArray.cpp_overload_set.type: type = cpp_overload_set_type @TakesArray.cpp_overload_set [concrete]
// CHECK:STDOUT: %TakesArray.cpp_overload_set.value: %TakesArray.cpp_overload_set.type = cpp_overload_set_value @TakesArray.cpp_overload_set [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.2a1: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51 = struct_value () [symbolic]
// CHECK:STDOUT: %T.d9f: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.bc9: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.132, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.3ad: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.bc9) [concrete]
// CHECK:STDOUT: %.322: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet.3ad [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.9be: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.6a9: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %OptionalStorage.type: type = facet_type <@OptionalStorage> [concrete]
// CHECK:STDOUT: %T.3fe: %OptionalStorage.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr.4f0: type = ptr_type %T.d9f [symbolic]
// CHECK:STDOUT: %MaybeUnformed.cff: type = class_type @MaybeUnformed, @MaybeUnformed(%ptr.4f0) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.type.8ed: type = fn_type @ptr.as.OptionalStorage.impl.None, @ptr.as.OptionalStorage.impl(%T.d9f) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.41a: %ptr.as.OptionalStorage.impl.None.type.8ed = struct_value () [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.911: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.d9f) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.2a0: %ptr.as.OptionalStorage.impl.Some.type.911 = struct_value () [symbolic]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.d16: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.f03, @ptr.as.OptionalStorage.impl(%i32) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.083: %OptionalStorage.type = facet_value %ptr.235, (%OptionalStorage.impl_witness.d16) [concrete]
// CHECK:STDOUT: %Optional.97d: type = class_type @Optional, @Optional(%OptionalStorage.facet.083) [concrete]
// CHECK:STDOUT: %TakesArray.type: type = fn_type @TakesArray [concrete]
// CHECK:STDOUT: %TakesArray: %TakesArray.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.534: type = facet_type <@ImplicitAs, @ImplicitAs(%Optional.97d)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.8fe: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%Optional.97d) [concrete]
// CHECK:STDOUT: %OptionalAs.type.593: type = facet_type <@OptionalAs, @OptionalAs(%T.3fe)> [symbolic]
// CHECK:STDOUT: %U.ec3: %OptionalAs.type.593 = symbolic_binding U, 1 [symbolic]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.855: type = fn_type @U.binding.as_type.as.ImplicitAs.impl.Convert.2, @U.binding.as_type.as.ImplicitAs.impl.ea7(%T.3fe, %U.ec3) [symbolic]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.337: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.855 = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalAs.type.07b: type = facet_type <@OptionalAs, @OptionalAs(%OptionalStorage.facet.083)> [concrete]
// CHECK:STDOUT: %T.binding.as_type.as.OptionalAs.impl.Convert.type.8c6: type = fn_type @T.binding.as_type.as.OptionalAs.impl.Convert, @T.binding.as_type.as.OptionalAs.impl(%T.3fe) [symbolic]
// CHECK:STDOUT: %T.binding.as_type.as.OptionalAs.impl.Convert.180: %T.binding.as_type.as.OptionalAs.impl.Convert.type.8c6 = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalAs.impl_witness.d8d: <witness> = impl_witness imports.%OptionalAs.impl_witness_table.8ee, @T.binding.as_type.as.OptionalAs.impl(%OptionalStorage.facet.083) [concrete]
// CHECK:STDOUT: %OptionalAs.facet: %OptionalAs.type.07b = facet_value %ptr.235, (%OptionalAs.impl_witness.d8d) [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a9a: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.da6, @U.binding.as_type.as.ImplicitAs.impl.ea7(%OptionalStorage.facet.083, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.93b: type = fn_type @U.binding.as_type.as.ImplicitAs.impl.Convert.2, @U.binding.as_type.as.ImplicitAs.impl.ea7(%OptionalStorage.facet.083, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.1c9: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.93b = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.461: %ImplicitAs.type.534 = facet_value %ptr.235, (%ImplicitAs.impl_witness.a9a) [concrete]
// CHECK:STDOUT: %.4ad: type = fn_type_with_self_type %ImplicitAs.Convert.type.8fe, %ImplicitAs.facet.461 [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %U.binding.as_type.as.ImplicitAs.impl.Convert.1c9, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(%OptionalStorage.facet.083, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t: type = class_type @NullptrT [concrete]
// CHECK:STDOUT: %uninit: %Cpp.nullptr_t = uninitialized_value [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.d80: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%T.d9f) [symbolic]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2ce: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.d80 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.213: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.87f, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.87f: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.83e: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.87f = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.5e9: %ImplicitAs.type.534 = facet_value %Cpp.nullptr_t, (%ImplicitAs.impl_witness.213) [concrete]
// CHECK:STDOUT: %.28d: type = fn_type_with_self_type %ImplicitAs.Convert.type.8fe, %ImplicitAs.facet.5e9 [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.83e [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.83e, @Cpp.nullptr_t.as.ImplicitAs.impl.Convert(%i32) [concrete]
// CHECK:STDOUT: %bound_method.ed9: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %facet_value.c1c: %type_where = facet_value %Optional.97d, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.b8d: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.c1c) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.9b6: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.b8d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.334: type = ptr_type %Optional.97d [concrete]
// CHECK:STDOUT: %facet_value.5b8: %type_where = facet_value %array_type, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1d8: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.5b8) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.f36: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1d8 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .TakesArray = %TakesArray.cpp_overload_set.value
// CHECK:STDOUT: .nullptr = @F.%uninit
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %TakesArray.cpp_overload_set.value: %TakesArray.cpp_overload_set.type = cpp_overload_set_value @TakesArray.cpp_overload_set [concrete = constants.%TakesArray.cpp_overload_set.value]
// CHECK:STDOUT: %Core.import_ref.e24: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51) = import_ref Core//prelude/types/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.2a1)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.132 = impl_witness_table (%Core.import_ref.e24), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.2fb: type = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%MaybeUnformed (constants.%MaybeUnformed.cff)]
// CHECK:STDOUT: %Core.import_ref.1d4: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None.type (%ptr.as.OptionalStorage.impl.None.type.8ed) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None (constants.%ptr.as.OptionalStorage.impl.None.41a)]
// CHECK:STDOUT: %Core.import_ref.1b2: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some.type (%ptr.as.OptionalStorage.impl.Some.type.911) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some (constants.%ptr.as.OptionalStorage.impl.Some.2a0)]
// CHECK:STDOUT: %Core.import_ref.6a9 = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %Core.import_ref.971 = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %OptionalStorage.impl_witness_table.f03 = impl_witness_table (%Core.import_ref.2fb, %Core.import_ref.1d4, %Core.import_ref.1b2, %Core.import_ref.6a9, %Core.import_ref.971), @ptr.as.OptionalStorage.impl [concrete]
// CHECK:STDOUT: %TakesArray.decl: %TakesArray.type = fn_decl @TakesArray [concrete = constants.%TakesArray] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc11_23.1: type = splice_block %Optional [concrete = constants.%Optional.97d] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value constants.%ptr.235, (constants.%OptionalStorage.impl_witness.d16) [concrete = constants.%OptionalStorage.facet.083]
// CHECK:STDOUT: %.loc11_23.2: %OptionalStorage.type = converted constants.%ptr.235, %OptionalStorage.facet [concrete = constants.%OptionalStorage.facet.083]
// CHECK:STDOUT: %Optional: type = class_type @Optional, @Optional(constants.%OptionalStorage.facet.083) [concrete = constants.%Optional.97d]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.ec9: @U.binding.as_type.as.ImplicitAs.impl.ea7.%U.binding.as_type.as.ImplicitAs.impl.Convert.type (%U.binding.as_type.as.ImplicitAs.impl.Convert.type.855) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @U.binding.as_type.as.ImplicitAs.impl.ea7.%U.binding.as_type.as.ImplicitAs.impl.Convert (constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.337)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.da6 = impl_witness_table (%Core.import_ref.ec9), @U.binding.as_type.as.ImplicitAs.impl.ea7 [concrete]
// CHECK:STDOUT: %Core.import_ref.7fb: @T.binding.as_type.as.OptionalAs.impl.%T.binding.as_type.as.OptionalAs.impl.Convert.type (%T.binding.as_type.as.OptionalAs.impl.Convert.type.8c6) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @T.binding.as_type.as.OptionalAs.impl.%T.binding.as_type.as.OptionalAs.impl.Convert (constants.%T.binding.as_type.as.OptionalAs.impl.Convert.180)]
// CHECK:STDOUT: %OptionalAs.impl_witness_table.8ee = impl_witness_table (%Core.import_ref.7fb), @T.binding.as_type.as.OptionalAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.54b: @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type (%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.d80) = import_ref Core//prelude/types/cpp/nullptr, loc{{\d+_\d+}}, loaded [symbolic = @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert (constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2ce)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.87f = impl_witness_table (%Core.import_ref.54b), @Cpp.nullptr_t.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %n.patt: %pattern_type.b6e = ref_binding_pattern n [concrete]
// CHECK:STDOUT: %n.var_patt: %pattern_type.b6e = var_pattern %n.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n.var: ref %array_type = var %n.var_patt
// CHECK:STDOUT: %.loc10: type = splice_block %array_type [concrete = constants.%array_type] {
// CHECK:STDOUT: %int_32.loc10: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc10: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_42: Core.IntLiteral = int_value 42 [concrete = constants.%int_42]
// CHECK:STDOUT: %array_type: type = array_type %int_42, %i32.loc10 [concrete = constants.%array_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n: ref %array_type = ref_binding n, %n.var
// CHECK:STDOUT: %Cpp.ref.loc11: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesArray.ref.loc11: %TakesArray.cpp_overload_set.type = name_ref TakesArray, imports.%TakesArray.cpp_overload_set.value [concrete = constants.%TakesArray.cpp_overload_set.value]
// CHECK:STDOUT: %n.ref: ref %array_type = name_ref n, %n
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem0.loc11_21: %.322 = impl_witness_access constants.%ImplicitAs.impl_witness.bc9, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b]
// CHECK:STDOUT: %bound_method.loc11_21.1: <bound method> = bound_method %int_0, %impl.elem0.loc11_21 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc11_21: <specific function> = specific_function %impl.elem0.loc11_21, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc11_21.2: <bound method> = bound_method %int_0, %specific_fn.loc11_21 [concrete = constants.%bound_method.9be]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc11_21.2(%int_0) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc11_21.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc11_21.2: %i32 = converted %int_0, %.loc11_21.1 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc11_22: ref %i32 = array_index %n.ref, %.loc11_21.2
// CHECK:STDOUT: %addr.loc11_18.1: %ptr.235 = addr_of %.loc11_22
// CHECK:STDOUT: %impl.elem0.loc11_18: %.4ad = impl_witness_access constants.%ImplicitAs.impl_witness.a9a, element0 [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.1c9]
// CHECK:STDOUT: %bound_method.loc11_18.1: <bound method> = bound_method %addr.loc11_18.1, %impl.elem0.loc11_18
// CHECK:STDOUT: %specific_fn.loc11_18: <specific function> = specific_function %impl.elem0.loc11_18, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(constants.%OptionalStorage.facet.083, constants.%OptionalAs.facet) [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc11_18.2: <bound method> = bound_method %addr.loc11_18.1, %specific_fn.loc11_18
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.call: init %Optional.97d = call %bound_method.loc11_18.2(%addr.loc11_18.1)
// CHECK:STDOUT: %.loc11_18.1: init %Optional.97d = converted %addr.loc11_18.1, %U.binding.as_type.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc11_18.2: ref %Optional.97d = temporary_storage
// CHECK:STDOUT: %.loc11_18.3: ref %Optional.97d = temporary %.loc11_18.2, %.loc11_18.1
// CHECK:STDOUT: %.loc11_18.4: %Optional.97d = acquire_value %.loc11_18.3
// CHECK:STDOUT: %TakesArray.call.loc11: init %empty_tuple.type = call imports.%TakesArray.decl(%.loc11_18.4)
// CHECK:STDOUT: %Cpp.ref.loc13_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesArray.ref.loc13: %TakesArray.cpp_overload_set.type = name_ref TakesArray, imports.%TakesArray.cpp_overload_set.value [concrete = constants.%TakesArray.cpp_overload_set.value]
// CHECK:STDOUT: %Cpp.ref.loc13_18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %nullptr.ref: %Cpp.nullptr_t = name_ref nullptr, %uninit [concrete = constants.%uninit]
// CHECK:STDOUT: %impl.elem0.loc13: %.28d = impl_witness_access constants.%ImplicitAs.impl_witness.213, element0 [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.83e]
// CHECK:STDOUT: %bound_method.loc13_21.1: <bound method> = bound_method %nullptr.ref, %impl.elem0.loc13 [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Cpp.nullptr_t.as.ImplicitAs.impl.Convert(constants.%i32) [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_21.2: <bound method> = bound_method %nullptr.ref, %specific_fn.loc13 [concrete = constants.%bound_method.ed9]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call: init %Optional.97d = call %bound_method.loc13_21.2(%nullptr.ref)
// CHECK:STDOUT: %.loc13_21.1: init %Optional.97d = converted %nullptr.ref, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc13_21.2: ref %Optional.97d = temporary_storage
// CHECK:STDOUT: %.loc13_21.3: ref %Optional.97d = temporary %.loc13_21.2, %.loc13_21.1
// CHECK:STDOUT: %.loc13_21.4: %Optional.97d = acquire_value %.loc13_21.3
// CHECK:STDOUT: %TakesArray.call.loc13: init %empty_tuple.type = call imports.%TakesArray.decl(%.loc13_21.4)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc13: <bound method> = bound_method %.loc13_21.3, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.9b6
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc13_21.3: <bound method> = bound_method %.loc13_21.3, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc13: %ptr.334 = addr_of %.loc13_21.3
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc13: init %empty_tuple.type = call %bound_method.loc13_21.3(%addr.loc13)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc11: <bound method> = bound_method %.loc11_18.3, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.9b6
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc11_18.3: <bound method> = bound_method %.loc11_18.3, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc11_18.2: %ptr.334 = addr_of %.loc11_18.3
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc11: init %empty_tuple.type = call %bound_method.loc11_18.3(%addr.loc11_18.2)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc10: <bound method> = bound_method %n.var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.f36
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc10: <bound method> = bound_method %n.var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.3
// CHECK:STDOUT: %addr.loc10: %ptr.830 = addr_of %n.var
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc10: init %empty_tuple.type = call %bound_method.loc10(%addr.loc10)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_call_params_2.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %TakesFunction.cpp_overload_set.type: type = cpp_overload_set_type @TakesFunction.cpp_overload_set [concrete]
// CHECK:STDOUT: %TakesFunction.cpp_overload_set.value: %TakesFunction.cpp_overload_set.type = cpp_overload_set_value @TakesFunction.cpp_overload_set [concrete]
// CHECK:STDOUT: %Function.cpp_overload_set.type: type = cpp_overload_set_type @Function.cpp_overload_set [concrete]
// CHECK:STDOUT: %Function.cpp_overload_set.value: %Function.cpp_overload_set.type = cpp_overload_set_value @Function.cpp_overload_set [concrete]
// CHECK:STDOUT: %int_42: Core.IntLiteral = int_value 42 [concrete]
// CHECK:STDOUT: %array_type: type = array_type %int_42, %i32 [concrete]
// CHECK:STDOUT: %ptr.830: type = ptr_type %array_type [concrete]
// CHECK:STDOUT: %pattern_type.b6e: type = pattern_type %array_type [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.2a1: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.bc9: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.132, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.bc9) [concrete]
// CHECK:STDOUT: %.322: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.6a9: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t: type = class_type @NullptrT [concrete]
// CHECK:STDOUT: %uninit: %Cpp.nullptr_t = uninitialized_value [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %array_type, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1d8: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.f36: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1d8 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .TakesFunction = %TakesFunction.cpp_overload_set.value
// CHECK:STDOUT: .Function = %Function.cpp_overload_set.value
// CHECK:STDOUT: .nullptr = @F.%uninit
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %TakesFunction.cpp_overload_set.value: %TakesFunction.cpp_overload_set.type = cpp_overload_set_value @TakesFunction.cpp_overload_set [concrete = constants.%TakesFunction.cpp_overload_set.value]
// CHECK:STDOUT: %Function.cpp_overload_set.value: %Function.cpp_overload_set.type = cpp_overload_set_value @Function.cpp_overload_set [concrete = constants.%Function.cpp_overload_set.value]
// CHECK:STDOUT: %Core.import_ref.e24: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51) = import_ref Core//prelude/types/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.2a1)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.132 = impl_witness_table (%Core.import_ref.e24), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc14: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesFunction.ref.loc14: %TakesFunction.cpp_overload_set.type = name_ref TakesFunction, imports.%TakesFunction.cpp_overload_set.value [concrete = constants.%TakesFunction.cpp_overload_set.value]
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
// CHECK:STDOUT: %Cpp.ref.loc20_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesFunction.ref.loc20: %TakesFunction.cpp_overload_set.type = name_ref TakesFunction, imports.%TakesFunction.cpp_overload_set.value [concrete = constants.%TakesFunction.cpp_overload_set.value]
// CHECK:STDOUT: %Cpp.ref.loc20_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Function.ref: %Function.cpp_overload_set.type = name_ref Function, imports.%Function.cpp_overload_set.value [concrete = constants.%Function.cpp_overload_set.value]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %n.patt: %pattern_type.b6e = ref_binding_pattern n [concrete]
// CHECK:STDOUT: %n.var_patt: %pattern_type.b6e = var_pattern %n.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n.var: ref %array_type = var %n.var_patt
// CHECK:STDOUT: %.loc22: type = splice_block %array_type [concrete = constants.%array_type] {
// CHECK:STDOUT: %int_32.loc22: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc22: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_42: Core.IntLiteral = int_value 42 [concrete = constants.%int_42]
// CHECK:STDOUT: %array_type: type = array_type %int_42, %i32.loc22 [concrete = constants.%array_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n: ref %array_type = ref_binding n, %n.var
// CHECK:STDOUT: %Cpp.ref.loc31: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesFunction.ref.loc31: %TakesFunction.cpp_overload_set.type = name_ref TakesFunction, imports.%TakesFunction.cpp_overload_set.value [concrete = constants.%TakesFunction.cpp_overload_set.value]
// CHECK:STDOUT: %n.ref: ref %array_type = name_ref n, %n
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %int_32.loc31: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc31: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem0: %.322 = impl_witness_access constants.%ImplicitAs.impl_witness.bc9, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b]
// CHECK:STDOUT: %bound_method.loc31_24.1: <bound method> = bound_method %int_0, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc31_24.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc31_24.2(%int_0) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc31_24.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc31_24.2: %i32 = converted %int_0, %.loc31_24.1 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc31_25: ref %i32 = array_index %n.ref, %.loc31_24.2
// CHECK:STDOUT: %addr.loc31: %ptr.235 = addr_of %.loc31_25
// CHECK:STDOUT: %Cpp.ref.loc37_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesFunction.ref.loc37: %TakesFunction.cpp_overload_set.type = name_ref TakesFunction, imports.%TakesFunction.cpp_overload_set.value [concrete = constants.%TakesFunction.cpp_overload_set.value]
// CHECK:STDOUT: %Cpp.ref.loc37_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %nullptr.ref: %Cpp.nullptr_t = name_ref nullptr, %uninit [concrete = constants.%uninit]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound: <bound method> = bound_method %n.var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.f36
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc22: <bound method> = bound_method %n.var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr.loc22: %ptr.830 = addr_of %n.var
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method.loc22(%addr.loc22)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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