Support exporting functions with generic return types to C++ (#7537)

Add a `return_type_id` field to `FunctionInfo` in
`toolchain/check/cpp/export.cpp`. As with the `explicit_params` field,
`ExportFunctionSpecializationToCpp` updates this to the return type in
the specific.

Refactored `BuildCppFunctionDeclForCarbonFn` into
`BuildCppFunctionDeclForNonGenericCarbonFn` and
`BuildCppFunctionDeclForGenericCarbonFn`, with `BuildCppFunctionDecl`
containing shared code.

The `generic_type_impls_interface.carbon` test is updated to include a
generic return type.
This commit is contained in:
Nicholas Bishop
2026-07-20 20:44:58 +00:00
committed by GitHub
parent a502ff006e
commit 3a3439c681
2 changed files with 344 additions and 181 deletions
+121 -49
View File
@@ -314,7 +314,8 @@ struct FunctionInfo {
clang::DeclContext* decl_context)
: function_id(function_id),
function(function),
decl_context(decl_context) {
decl_context(decl_context),
return_type_id(function.GetDeclaredReturnType(context.sem_ir())) {
auto function_params =
context.inst_blocks().Get(function.call_param_patterns_id);
const auto& ranges = function.call_param_ranges;
@@ -366,6 +367,9 @@ struct FunctionInfo {
// and whether the parameter is a reference.
llvm::SmallVector<Param> explicit_params;
// Return type of the function.
SemIR::TypeId return_type_id;
// For methods, the type of `self` and whether it is a reference. If
// the function does not have a `self` parameter, this is `nullopt`.
std::optional<Param> self_param;
@@ -405,19 +409,60 @@ static auto BuildFunctionInfo(Context& context, SemIR::LocId loc_id,
return FunctionInfo(context, callee_function_id, callee, decl_context);
}
// Create a `clang::FunctionDecl` with the given parameter types and
// return type.
//
// The function's name will match the one referenced by `function_name_id`,
// and the function will be added to the given `decl_context`.
static auto BuildCppFunctionDecl(Context& context,
clang::DeclContext* decl_context,
SemIR::LocId loc_id,
SemIR::NameId function_name_id,
clang::ArrayRef<clang::QualType> param_types,
clang::QualType return_type) {
auto clang_loc = GetCppLocation(context, loc_id);
auto cpp_function_type = context.ast_context().getFunctionType(
return_type, param_types, clang::FunctionProtoType::ExtProtoInfo());
auto* identifier_info = GetClangIdentifierInfo(context, function_name_id);
CARBON_CHECK(identifier_info, "function with non-identifier name {0}",
function_name_id);
auto* tinfo = context.ast_context().getTrivialTypeSourceInfo(
cpp_function_type, clang_loc);
clang::FunctionDecl* function_decl = clang::FunctionDecl::Create(
context.ast_context(), decl_context,
/*StartLoc=*/clang_loc, /*NLoc=*/clang_loc, identifier_info,
cpp_function_type, tinfo, clang::SC_Extern);
// Build parameter decls.
llvm::SmallVector<clang::ParmVarDecl*> param_var_decls;
for (auto [i, type] : llvm::enumerate(param_types)) {
auto* param_tinfo =
context.ast_context().getTrivialTypeSourceInfo(type, clang_loc);
clang::ParmVarDecl* param = clang::ParmVarDecl::Create(
context.ast_context(), function_decl, /*StartLoc=*/clang_loc,
/*IdLoc=*/clang_loc, /*Id=*/nullptr, type, param_tinfo, clang::SC_None,
/*DefArg=*/nullptr);
param_var_decls.push_back(param);
}
function_decl->setParams(param_var_decls);
return function_decl;
}
// Create a `clang::FunctionDecl` for the given Carbon function. This
// can be used to call the Carbon function from C++. The Carbon
// function's ABI must be compatible with C++.
//
// The resulting decl is used to allow a generated C++ function to call
// a generated Carbon function.
static auto BuildCppFunctionDeclForCarbonFn(Context& context,
SemIR::LocId loc_id,
SemIR::FunctionId function_id)
static auto BuildCppFunctionDeclForNonGenericCarbonFn(
Context& context, SemIR::LocId loc_id, SemIR::FunctionId function_id)
-> clang::FunctionDecl* {
auto clang_loc = GetCppLocation(context, loc_id);
const SemIR::Function& function = context.functions().Get(function_id);
CARBON_CHECK(!function.generic_id.has_value());
FunctionInfo callee(context, function_id, function, nullptr);
// Get parameters types.
@@ -442,33 +487,9 @@ static auto BuildCppFunctionDeclForCarbonFn(Context& context,
CARBON_CHECK(function.return_type_inst_id == SemIR::TypeInstId::None);
auto cpp_return_type = context.ast_context().VoidTy;
auto cpp_function_type = context.ast_context().getFunctionType(
cpp_return_type, cpp_param_types,
clang::FunctionProtoType::ExtProtoInfo());
auto* identifier_info = GetClangIdentifierInfo(context, function.name_id);
CARBON_CHECK(identifier_info, "function with non-identifier name {0}",
function.name_id);
auto* tinfo = context.ast_context().getTrivialTypeSourceInfo(
cpp_function_type, clang_loc);
clang::FunctionDecl* function_decl = clang::FunctionDecl::Create(
context.ast_context(), context.ast_context().getTranslationUnitDecl(),
/*StartLoc=*/clang_loc, /*NLoc=*/clang_loc, identifier_info,
cpp_function_type, tinfo, clang::SC_Extern);
// Build parameter decls.
llvm::SmallVector<clang::ParmVarDecl*> param_var_decls;
for (auto [i, type] : llvm::enumerate(cpp_param_types)) {
auto* param_tinfo =
context.ast_context().getTrivialTypeSourceInfo(type, clang_loc);
clang::ParmVarDecl* param = clang::ParmVarDecl::Create(
context.ast_context(), function_decl, /*StartLoc=*/clang_loc,
/*IdLoc=*/clang_loc, /*Id=*/nullptr, type, param_tinfo, clang::SC_None,
/*DefArg=*/nullptr);
param_var_decls.push_back(param);
}
function_decl->setParams(param_var_decls);
auto* function_decl = BuildCppFunctionDecl(
context, context.ast_context().getTranslationUnitDecl(), loc_id,
function.name_id, cpp_param_types, cpp_return_type);
// Mangle the function name and attach it to the `FunctionDecl`.
SemIR::Mangler m(context.sem_ir(), context.total_ir_count(),
@@ -480,6 +501,60 @@ static auto BuildCppFunctionDeclForCarbonFn(Context& context,
return function_decl;
}
// Create a `clang::FunctionDecl` for the given generic Carbon function.
//
// The `clang::FunctionDecl` created here is only used as a function template
// decl. Only specializations of this function template decl are called
// directly, so the ABI of this function decl is irrelevant.
static auto BuildCppFunctionDeclForGenericCarbonFn(
Context& context, SemIR::LocId loc_id, SemIR::FunctionId function_id)
-> clang::FunctionDecl* {
const SemIR::Function& function = context.functions().Get(function_id);
CARBON_CHECK(function.generic_id.has_value());
FunctionInfo callee(context, function_id, function, nullptr);
// Get parameters types.
//
// TODO: currently this matches the behavior of
// BuildCppFunctionDeclForNonGenericCarbonFn, but for templates the ABI is
// irrelevant, and the parameter should instead map to something that will
// guide C++ template argument deduction into doing the right thing.
llvm::SmallVector<clang::QualType> cpp_param_types;
if (callee.self_param) {
auto cpp_type = MapToCppThunkParamType(context, callee.self_param->type_id);
if (cpp_type.isNull()) {
context.TODO(loc_id, "failed to map Carbon self type to C++");
return nullptr;
}
cpp_param_types.push_back(cpp_type);
}
for (auto param : callee.explicit_params) {
auto cpp_type = MapToCppThunkParamType(context, param.type_id);
if (cpp_type.isNull()) {
context.TODO(loc_id, "failed to map Carbon type to C++");
return nullptr;
}
cpp_param_types.push_back(cpp_type);
}
auto return_type_id = function.GetDeclaredReturnType(context.sem_ir());
clang::QualType cpp_return_type = context.ast_context().VoidTy;
if (return_type_id.has_value()) {
cpp_return_type = MapToCppType(context, return_type_id);
if (cpp_return_type.isNull()) {
context.TODO(loc_id, "failed to map Carbon return type to C++");
return nullptr;
}
}
return BuildCppFunctionDecl(context,
// TODO: provide the decl context corresponding to
// the Carbon generic function.
context.ast_context().getTranslationUnitDecl(),
loc_id, function.name_id, cpp_param_types,
cpp_return_type);
}
// Returns whether the given Carbon parameter should be passed as a C++ const
// reference.
static auto PassAsConstRef(Context& /*context*/,
@@ -533,9 +608,8 @@ static auto BuildCppToCarbonThunkFunctionType(Context& context,
// Get the C++ return type (this corresponds to the return type of the
// target Carbon function).
clang::QualType cpp_return_type = context.ast_context().VoidTy;
auto return_type_id = target.function.GetDeclaredReturnType(context.sem_ir());
if (return_type_id != SemIR::TypeId::None) {
cpp_return_type = MapToCppType(context, return_type_id);
if (target.return_type_id != SemIR::TypeId::None) {
cpp_return_type = MapToCppType(context, target.return_type_id);
if (cpp_return_type.isNull()) {
context.TODO(loc_id, "failed to map Carbon return type to C++ type");
return nullptr;
@@ -758,10 +832,8 @@ static auto BuildCarbonToCarbonThunk(Context& context, SemIR::LocId loc_id,
for (const auto& param : target.explicit_params) {
thunk_param_type_ids.push_back(param.type_id);
}
auto callee_return_type_id =
target.function.GetDeclaredReturnType(context.sem_ir());
if (callee_return_type_id != SemIR::TypeId::None) {
thunk_param_type_ids.push_back(callee_return_type_id);
if (target.return_type_id != SemIR::TypeId::None) {
thunk_param_type_ids.push_back(target.return_type_id);
}
auto carbon_thunk_function_id =
@@ -812,7 +884,7 @@ static auto BuildCppToCarbonThunk(Context& context, SemIR::LocId loc_id,
BuildCarbonToCarbonThunk(context, loc_id, target, extra_name);
// Create a `clang::FunctionDecl` that can be used to call the Carbon thunk.
auto* carbon_function_decl = BuildCppFunctionDeclForCarbonFn(
auto* carbon_function_decl = BuildCppFunctionDeclForNonGenericCarbonFn(
context, loc_id, carbon_thunk_function_id);
if (!carbon_function_decl) {
return;
@@ -921,17 +993,17 @@ auto ExportFunctionSpecializationToCpp(
context.insts().Get(binding_const_inst_id).type_id()));
}
// Create a specific, and use that to convert from parameters with
// symbolic types to concrete types.
// Create a specific, and use that to convert return type and
// parameters with symbolic types to concrete types.
auto specific_id = MakeSpecific(context, loc_id, target.function.generic_id,
specific_arg_ids);
target.return_type_id =
target.function.GetDeclaredReturnType(context.sem_ir(), specific_id);
for (auto& param : target.explicit_params) {
param.type_id =
GetScrutineeTypeInSpecific(context, param.pattern_inst_id, specific_id);
}
// TODO: handle generic return type.
// Build the thunks. Mark the C++ thunk as a template specialization.
auto* function_decl =
ExportNonGenericFunctionToCpp(context, loc_id, target, extra_name);
@@ -1006,8 +1078,8 @@ static auto ExportGenericFunctionToCpp(Context& context, SemIR::LocId loc_id,
/*RAngleLoc=*/clang_loc,
/*RequiresClause=*/nullptr);
auto* function_decl =
BuildCppFunctionDeclForCarbonFn(context, loc_id, callee.function_id);
auto* function_decl = BuildCppFunctionDeclForGenericCarbonFn(
context, loc_id, callee.function_id);
if (!function_decl) {
return nullptr;
}
@@ -1114,8 +1186,8 @@ auto ExportDestructorToCpp(Context& context, const SemIR::Class& class_info,
// TODO: Once we support exporting specific classes, export the specific
// destructor here rather than a generic one.
auto thunk_function_id = BuildDestroyThunk(context, loc_id, class_info);
auto* cpp_function_decl =
BuildCppFunctionDeclForCarbonFn(context, loc_id, thunk_function_id);
auto* cpp_function_decl = BuildCppFunctionDeclForNonGenericCarbonFn(
context, loc_id, thunk_function_id);
if (!cpp_function_decl) {
return nullptr;
}
@@ -16,30 +16,34 @@ import Cpp;
//@dump-sem-ir-begin
interface I {
fn Doit(self);
fn Doit(self) -> Self;
}
class A {
impl as I {
fn Doit(unused self) {}
fn Doit(unused self) -> Self {
return {};
}
}
}
class B {
impl as I {
fn Doit(unused self) {}
fn Doit(unused self) -> Self {
return {};
}
}
}
fn F[T: I](t: T) {
t.Doit();
fn F[T: I](t: T) -> T {
return t.Doit();
}
inline Cpp '''
void G() {
Carbon::B G() {
Carbon::A a;
Carbon::B b;
Carbon::F(a);
Carbon::F(b);
return Carbon::F(b);
}
''';
//@dump-sem-ir-end
@@ -142,6 +146,9 @@ void G() {
// CHECK:STDOUT: %pattern_type.c60: type = pattern_type %Self.as_type.c84 [symbolic]
// CHECK:STDOUT: %self.param_patt.a33: %pattern_type.c60 = value_param_pattern [symbolic]
// CHECK:STDOUT: %self.patt.696: %pattern_type.c60 = at_binding_pattern self, %self.param_patt.a33 [symbolic]
// CHECK:STDOUT: %.8fc: Core.Form = init_form %Self.as_type.c84 [symbolic]
// CHECK:STDOUT: %return.param_patt.434: %pattern_type.c60 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.44a: %pattern_type.c60 = return_slot_pattern %return.param_patt.434, %Self.as_type.c84 [symbolic]
// CHECK:STDOUT: %I.WithSelf.Doit.type.26f: type = fn_type @I.WithSelf.Doit, @I.WithSelf(%Self.37e) [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %I.WithSelf.Doit.11f: %I.WithSelf.Doit.type.26f = struct_value () [symbolic]
@@ -152,6 +159,9 @@ void G() {
// CHECK:STDOUT: %pattern_type.9ef: type = pattern_type %A [concrete]
// CHECK:STDOUT: %self.param_patt.04e: %pattern_type.9ef = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.312: %pattern_type.9ef = at_binding_pattern self, %self.param_patt.04e [concrete]
// CHECK:STDOUT: %.cbf: Core.Form = init_form %A [concrete]
// CHECK:STDOUT: %return.param_patt.f0c: %pattern_type.9ef = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.a6d: %pattern_type.9ef = return_slot_pattern %return.param_patt.f0c, %A [concrete]
// CHECK:STDOUT: %A.as.I.impl.Doit.type: type = fn_type @A.as.I.impl.Doit [concrete]
// CHECK:STDOUT: %A.as.I.impl.Doit: %A.as.I.impl.Doit.type = struct_value () [concrete]
// CHECK:STDOUT: %I.facet.64b: %I.type = facet_value %A, (%I.impl_witness.6ad) [concrete]
@@ -159,16 +169,22 @@ void G() {
// CHECK:STDOUT: %I.WithSelf.Doit.dab: %I.WithSelf.Doit.type.5b3 = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %A.val: %A = struct_value () [concrete]
// CHECK:STDOUT: %B: type = class_type @B [concrete]
// CHECK:STDOUT: %I.impl_witness.5b8: <witness> = impl_witness @B.as.I.impl.%I.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.e39: type = pattern_type %B [concrete]
// CHECK:STDOUT: %self.param_patt.f1f: %pattern_type.e39 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.4eb: %pattern_type.e39 = at_binding_pattern self, %self.param_patt.f1f [concrete]
// CHECK:STDOUT: %.d83: Core.Form = init_form %B [concrete]
// CHECK:STDOUT: %return.param_patt.934: %pattern_type.e39 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.911: %pattern_type.e39 = return_slot_pattern %return.param_patt.934, %B [concrete]
// CHECK:STDOUT: %B.as.I.impl.Doit.type: type = fn_type @B.as.I.impl.Doit [concrete]
// CHECK:STDOUT: %B.as.I.impl.Doit: %B.as.I.impl.Doit.type = struct_value () [concrete]
// CHECK:STDOUT: %I.facet.9f8: %I.type = facet_value %B, (%I.impl_witness.5b8) [concrete]
// CHECK:STDOUT: %I.WithSelf.Doit.type.2ce: type = fn_type @I.WithSelf.Doit, @I.WithSelf(%I.facet.9f8) [concrete]
// CHECK:STDOUT: %I.WithSelf.Doit.450: %I.WithSelf.Doit.type.2ce = struct_value () [concrete]
// CHECK:STDOUT: %B.val: %B = struct_value () [concrete]
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.6cb: type = pattern_type %I.type [concrete]
@@ -178,6 +194,9 @@ void G() {
// CHECK:STDOUT: %pattern_type.b3a: type = pattern_type %T.as_type [symbolic]
// CHECK:STDOUT: %t.param_patt.5db: %pattern_type.b3a = value_param_pattern [symbolic]
// CHECK:STDOUT: %t.patt.030: %pattern_type.b3a = at_binding_pattern t, %t.param_patt.5db [symbolic]
// CHECK:STDOUT: %.0ce: Core.Form = init_form %T.as_type [symbolic]
// CHECK:STDOUT: %return.param_patt.b82: %pattern_type.b3a = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.2e6: %pattern_type.b3a = return_slot_pattern %return.param_patt.b82, %T.as_type [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T.as_type [symbolic]
@@ -190,18 +209,18 @@ void G() {
// CHECK:STDOUT: %self.patt.300: %pattern_type.b3a = at_binding_pattern self, %self.param_patt.58e [symbolic]
// CHECK:STDOUT: %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @I.WithSelf.Doit(%T) [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.Op.type.1d8f74.2: type = fn_type @Destroy.Op.loc9_9.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.type.1d8f74.2: type = fn_type @Destroy.Op.loc16_9.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.1a2547.2: %Destroy.Op.type.1d8f74.2 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.df9cc1.2: <witness> = custom_witness (%Destroy.Op.1a2547.2), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.6e5: %Destroy.type = facet_value %A, (%custom_witness.df9cc1.2) [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.09e: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.6e5) [concrete]
// CHECK:STDOUT: %.dca: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.09e, %Destroy.facet.6e5 [concrete]
// CHECK:STDOUT: %Destroy.Op.type.1d8f74.3: type = fn_type @Destroy.Op.loc14 [concrete]
// CHECK:STDOUT: %Destroy.Op.1a2547.3: %Destroy.Op.type.1d8f74.3 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.df9cc1.3: <witness> = custom_witness (%Destroy.Op.1a2547.3), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.f70: %Destroy.type = facet_value %B, (%custom_witness.df9cc1.3) [concrete]
// CHECK:STDOUT: %Destroy.facet.f70: %Destroy.type = facet_value %B, (%custom_witness.df9cc1.2) [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.cda: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.f70) [concrete]
// CHECK:STDOUT: %.3d9: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.cda, %Destroy.facet.f70 [concrete]
// CHECK:STDOUT: %Destroy.Op.type.1d8f74.3: type = fn_type @Destroy.Op.loc9 [concrete]
// CHECK:STDOUT: %Destroy.Op.1a2547.3: %Destroy.Op.type.1d8f74.3 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.df9cc1.3: <witness> = custom_witness (%Destroy.Op.1a2547.3), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.6e5: %Destroy.type = facet_value %A, (%custom_witness.df9cc1.3) [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.09e: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.6e5) [concrete]
// CHECK:STDOUT: %.dca: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.09e, %Destroy.facet.6e5 [concrete]
// CHECK:STDOUT: %t.param_patt.169: %pattern_type.9ef = value_param_pattern [concrete]
// CHECK:STDOUT: %t.patt.ee8: %pattern_type.9ef = at_binding_pattern t, %t.param_patt.169 [concrete]
// CHECK:STDOUT: %F.specific_fn.f33: <specific function> = specific_function %F, @F(%I.facet.64b) [concrete]
@@ -223,29 +242,37 @@ void G() {
// CHECK:STDOUT: %A.decl: type = class_decl @A [concrete = constants.%A] {} {}
// CHECK:STDOUT: %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %T.patt.loc20_7.1: %pattern_type.6cb = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc20_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %t.param_patt.loc20_13.1: @F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %t.param_patt.loc20_13.2 (constants.%t.param_patt.5db)]
// CHECK:STDOUT: %t.patt.loc20_13.1: @F.%pattern_type (%pattern_type.b3a) = at_binding_pattern t, %t.param_patt.loc20_13.1 [symbolic = %t.patt.loc20_13.2 (constants.%t.patt.030)]
// CHECK:STDOUT: %T.patt.loc24_7.1: %pattern_type.6cb = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %t.param_patt.loc24_13.1: @F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %t.param_patt.loc24_13.2 (constants.%t.param_patt.5db)]
// CHECK:STDOUT: %t.patt.loc24_13.1: @F.%pattern_type (%pattern_type.b3a) = at_binding_pattern t, %t.param_patt.loc24_13.1 [symbolic = %t.patt.loc24_13.2 (constants.%t.patt.030)]
// CHECK:STDOUT: %return.param_patt.loc24_21.1: @F.%pattern_type (%pattern_type.b3a) = out_param_pattern [symbolic = %return.param_patt.loc24_21.2 (constants.%return.param_patt.b82)]
// CHECK:STDOUT: %return.patt.loc24_18.1: @F.%pattern_type (%pattern_type.b3a) = return_slot_pattern %return.param_patt.loc24_21.1, %.loc24_21.3 [symbolic = %return.patt.loc24_18.2 (constants.%return.patt.2e6)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc20_9: type = splice_block %I.ref [concrete = constants.%I.type] {
// CHECK:STDOUT: %T.ref.loc24_21: %I.type = name_ref T, %T.loc24_7.2 [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %T.as_type.loc24_21: type = facet_access_type %T.ref.loc24_21 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %.loc24_21.3: type = converted %T.ref.loc24_21, %T.as_type.loc24_21 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %.loc24_21.4: Core.Form = init_form %.loc24_21.3 [symbolic = %.loc24_21.2 (constants.%.0ce)]
// CHECK:STDOUT: %.loc24_9: type = splice_block %I.ref [concrete = constants.%I.type] {
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc20_7.2: %I.type = symbolic_binding T, 0 [symbolic = %T.loc20_7.1 (constants.%T)]
// CHECK:STDOUT: %t.param: @F.%T.as_type.loc20_15.1 (%T.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc20_15.1: type = splice_block %.loc20_15.2 [symbolic = %T.as_type.loc20_15.1 (constants.%T.as_type)] {
// CHECK:STDOUT: %T.ref: %I.type = name_ref T, %T.loc20_7.2 [symbolic = %T.loc20_7.1 (constants.%T)]
// CHECK:STDOUT: %T.as_type.loc20_15.2: type = facet_access_type %T.ref [symbolic = %T.as_type.loc20_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %.loc20_15.2: type = converted %T.ref, %T.as_type.loc20_15.2 [symbolic = %T.as_type.loc20_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %T.loc24_7.2: %I.type = symbolic_binding T, 0 [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %t.param: @F.%T.as_type.loc24_15.1 (%T.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc24_15.1: type = splice_block %.loc24_15.2 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)] {
// CHECK:STDOUT: %T.ref.loc24_15: %I.type = name_ref T, %T.loc24_7.2 [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %T.as_type.loc24_15.2: type = facet_access_type %T.ref.loc24_15 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %.loc24_15.2: type = converted %T.ref.loc24_15, %T.as_type.loc24_15.2 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t: @F.%T.as_type.loc20_15.1 (%T.as_type) = wrapper_binding t, %t.param
// CHECK:STDOUT: %t: @F.%T.as_type.loc24_15.1 (%T.as_type) = wrapper_binding t, %t.param
// CHECK:STDOUT: %return.param: ref @F.%T.as_type.loc24_15.1 (%T.as_type) = out_param call_param1
// CHECK:STDOUT: %return: ref @F.%T.as_type.loc24_15.1 (%T.as_type) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %I.facet.loc20_18.1: %I.type = facet_value %A.decl, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc20_18.1: %I.type = converted %A.decl, %I.facet.loc20_18.1 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %I.facet.loc20_18.2: %I.type = facet_value %B.decl, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc20_18.2: %I.type = converted %B.decl, %I.facet.loc20_18.2 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: inline_cpp "void G() {\n Carbon::A a;\n Carbon::B b;\n Carbon::F(a);\n Carbon::F(b);\n}\n"
// CHECK:STDOUT: %I.facet.loc24_23.1: %I.type = facet_value %A.decl, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc24_23.1: %I.type = converted %A.decl, %I.facet.loc24_23.1 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %I.facet.loc24_23.2: %I.type = facet_value %B.decl, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc24_23.2: %I.type = converted %B.decl, %I.facet.loc24_23.2 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: inline_cpp "Carbon::B G() {\n Carbon::A a;\n Carbon::B b;\n Carbon::F(a);\n return Carbon::F(b);\n}\n"
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
@@ -256,14 +283,22 @@ void G() {
// CHECK:STDOUT: %I.WithSelf.Doit.decl: @I.WithSelf.%I.WithSelf.Doit.type (%I.WithSelf.Doit.type.26f) = fn_decl @I.WithSelf.Doit [symbolic = @I.WithSelf.%I.WithSelf.Doit (constants.%I.WithSelf.Doit.11f)] {
// CHECK:STDOUT: %self.param_patt.loc6_11.1: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = value_param_pattern [symbolic = %self.param_patt.loc6_11.2 (constants.%self.param_patt.a33)]
// CHECK:STDOUT: %self.patt.loc6_11.1: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = at_binding_pattern self, %self.param_patt.loc6_11.1 [symbolic = %self.patt.loc6_11.2 (constants.%self.patt.696)]
// CHECK:STDOUT: %return.param_patt.loc6_20.1: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = out_param_pattern [symbolic = %return.param_patt.loc6_20.2 (constants.%return.param_patt.434)]
// CHECK:STDOUT: %return.patt.loc6_17.1: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = return_slot_pattern %return.param_patt.loc6_20.1, %.loc6_20.2 [symbolic = %return.patt.loc6_17.2 (constants.%return.patt.44a)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc6_20: %I.type = name_ref Self, @I.%Self [symbolic = %Self (constants.%Self.37e)]
// CHECK:STDOUT: %Self.as_type.loc6_20: type = facet_access_type %Self.ref.loc6_20 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: %.loc6_20.2: type = converted %Self.ref.loc6_20, %Self.as_type.loc6_20 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: %.loc6_20.3: Core.Form = init_form %.loc6_20.2 [symbolic = %.loc6_20.1 (constants.%.8fc)]
// CHECK:STDOUT: %self.param: @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84) = value_param call_param0
// CHECK:STDOUT: %.loc6_11.1: type = splice_block %.loc6_11.2 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)] {
// CHECK:STDOUT: %Self.ref: %I.type = name_ref Self, @I.%Self [symbolic = %Self (constants.%Self.37e)]
// CHECK:STDOUT: %Self.as_type.loc6_11.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: %.loc6_11.2: type = converted %Self.ref, %Self.as_type.loc6_11.2 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: %Self.ref.loc6_11: %I.type = name_ref Self, @I.%Self [symbolic = %Self (constants.%Self.37e)]
// CHECK:STDOUT: %Self.as_type.loc6_11.2: type = facet_access_type %Self.ref.loc6_11 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: %.loc6_11.2: type = converted %Self.ref.loc6_11, %Self.as_type.loc6_11.2 [symbolic = %Self.as_type.loc6_11.1 (constants.%Self.as_type.c84)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84) = wrapper_binding self, %self.param
// CHECK:STDOUT: %return.param: ref @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84) = out_param call_param1
// CHECK:STDOUT: %return: ref @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, %I.WithSelf.Doit.decl [concrete = constants.%assoc0.628]
// CHECK:STDOUT:
@@ -279,10 +314,16 @@ void G() {
// CHECK:STDOUT: %A.as.I.impl.Doit.decl: %A.as.I.impl.Doit.type = fn_decl @A.as.I.impl.Doit [concrete = constants.%A.as.I.impl.Doit] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.9ef = value_param_pattern [concrete = constants.%self.param_patt.04e]
// CHECK:STDOUT: %self.patt: %pattern_type.9ef = at_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.312]
// CHECK:STDOUT: %return.param_patt: %pattern_type.9ef = out_param_pattern [concrete = constants.%return.param_patt.f0c]
// CHECK:STDOUT: %return.patt: %pattern_type.9ef = return_slot_pattern %return.param_patt, %Self.ref.loc11_29 [concrete = constants.%return.patt.a6d]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc11_29: type = name_ref Self, constants.%A [concrete = constants.%A]
// CHECK:STDOUT: %.loc11: Core.Form = init_form %Self.ref.loc11_29 [concrete = constants.%.cbf]
// CHECK:STDOUT: %self.param: %A = value_param call_param0
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%A [concrete = constants.%A]
// CHECK:STDOUT: %Self.ref.loc11_20: type = name_ref Self, constants.%A [concrete = constants.%A]
// CHECK:STDOUT: %self: %A = wrapper_binding self, %self.param
// CHECK:STDOUT: %return.param: ref %A = out_param call_param1
// CHECK:STDOUT: %return: ref %A = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%A.as.I.impl.Doit.decl), @A.as.I.impl [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table [concrete = constants.%I.impl_witness.6ad]
@@ -297,10 +338,16 @@ void G() {
// CHECK:STDOUT: %B.as.I.impl.Doit.decl: %B.as.I.impl.Doit.type = fn_decl @B.as.I.impl.Doit [concrete = constants.%B.as.I.impl.Doit] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.e39 = value_param_pattern [concrete = constants.%self.param_patt.f1f]
// CHECK:STDOUT: %self.patt: %pattern_type.e39 = at_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.4eb]
// CHECK:STDOUT: %return.param_patt: %pattern_type.e39 = out_param_pattern [concrete = constants.%return.param_patt.934]
// CHECK:STDOUT: %return.patt: %pattern_type.e39 = return_slot_pattern %return.param_patt, %Self.ref.loc18_29 [concrete = constants.%return.patt.911]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc18_29: type = name_ref Self, constants.%B [concrete = constants.%B]
// CHECK:STDOUT: %.loc18: Core.Form = init_form %Self.ref.loc18_29 [concrete = constants.%.d83]
// CHECK:STDOUT: %self.param: %B = value_param call_param0
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%B [concrete = constants.%B]
// CHECK:STDOUT: %Self.ref.loc18_20: type = name_ref Self, constants.%B [concrete = constants.%B]
// CHECK:STDOUT: %self: %B = wrapper_binding self, %self.param
// CHECK:STDOUT: %return.param: ref %B = out_param call_param1
// CHECK:STDOUT: %return: ref %B = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%B.as.I.impl.Doit.decl), @B.as.I.impl [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table [concrete = constants.%I.impl_witness.5b8]
@@ -343,102 +390,119 @@ void G() {
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type.loc6_11.1 [symbolic = %pattern_type (constants.%pattern_type.c60)]
// CHECK:STDOUT: %self.param_patt.loc6_11.2: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = value_param_pattern [symbolic = %self.param_patt.loc6_11.2 (constants.%self.param_patt.a33)]
// CHECK:STDOUT: %self.patt.loc6_11.2: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = at_binding_pattern self, %self.param_patt.loc6_11.2 [symbolic = %self.patt.loc6_11.2 (constants.%self.patt.696)]
// CHECK:STDOUT: %.loc6_20.1: Core.Form = init_form %Self.as_type.loc6_11.1 [symbolic = %.loc6_20.1 (constants.%.8fc)]
// CHECK:STDOUT: %return.param_patt.loc6_20.2: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = out_param_pattern [symbolic = %return.param_patt.loc6_20.2 (constants.%return.param_patt.434)]
// CHECK:STDOUT: %return.patt.loc6_17.2: @I.WithSelf.Doit.%pattern_type (%pattern_type.c60) = return_slot_pattern %return.param_patt.loc6_20.2, %Self.as_type.loc6_11.1 [symbolic = %return.patt.loc6_17.2 (constants.%return.patt.44a)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84));
// CHECK:STDOUT: fn(%self.param: @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84)) -> out %return.param: @I.WithSelf.Doit.%Self.as_type.loc6_11.1 (%Self.as_type.c84);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A.as.I.impl.Doit(%self.param: %A) {
// CHECK:STDOUT: fn @A.as.I.impl.Doit(%self.param: %A) -> out %return.param: %A {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: %.loc12_15.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc12_15.2: init %A to %return.param = class_init () [concrete = constants.%A.val]
// CHECK:STDOUT: %.loc12_16: init %A = converted %.loc12_15.1, %.loc12_15.2 [concrete = constants.%A.val]
// CHECK:STDOUT: return %.loc12_16 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B.as.I.impl.Doit(%self.param: %B) {
// CHECK:STDOUT: fn @B.as.I.impl.Doit(%self.param: %B) -> out %return.param: %B {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: %.loc19_15.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc19_15.2: init %B to %return.param = class_init () [concrete = constants.%B.val]
// CHECK:STDOUT: %.loc19_16: init %B = converted %.loc19_15.1, %.loc19_15.2 [concrete = constants.%B.val]
// CHECK:STDOUT: return %.loc19_16 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(%T.loc20_7.2: %I.type) {
// CHECK:STDOUT: %T.patt.loc20_7.2: %pattern_type.6cb = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc20_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc20_7.1: %I.type = symbolic_binding T, 0 [symbolic = %T.loc20_7.1 (constants.%T)]
// CHECK:STDOUT: %T.as_type.loc20_15.1: type = facet_access_type %T.loc20_7.1 [symbolic = %T.as_type.loc20_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %T.as_type.loc20_15.1 [symbolic = %pattern_type (constants.%pattern_type.b3a)]
// CHECK:STDOUT: %t.param_patt.loc20_13.2: @F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %t.param_patt.loc20_13.2 (constants.%t.param_patt.5db)]
// CHECK:STDOUT: %t.patt.loc20_13.2: @F.%pattern_type (%pattern_type.b3a) = at_binding_pattern t, %t.param_patt.loc20_13.2 [symbolic = %t.patt.loc20_13.2 (constants.%t.patt.030)]
// CHECK:STDOUT: generic fn @F(%T.loc24_7.2: %I.type) {
// CHECK:STDOUT: %T.patt.loc24_7.2: %pattern_type.6cb = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc24_7.1: %I.type = symbolic_binding T, 0 [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %T.as_type.loc24_15.1: type = facet_access_type %T.loc24_7.1 [symbolic = %T.as_type.loc24_15.1 (constants.%T.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %T.as_type.loc24_15.1 [symbolic = %pattern_type (constants.%pattern_type.b3a)]
// CHECK:STDOUT: %t.param_patt.loc24_13.2: @F.%pattern_type (%pattern_type.b3a) = value_param_pattern [symbolic = %t.param_patt.loc24_13.2 (constants.%t.param_patt.5db)]
// CHECK:STDOUT: %t.patt.loc24_13.2: @F.%pattern_type (%pattern_type.b3a) = at_binding_pattern t, %t.param_patt.loc24_13.2 [symbolic = %t.patt.loc24_13.2 (constants.%t.patt.030)]
// CHECK:STDOUT: %.loc24_21.2: Core.Form = init_form %T.as_type.loc24_15.1 [symbolic = %.loc24_21.2 (constants.%.0ce)]
// CHECK:STDOUT: %return.param_patt.loc24_21.2: @F.%pattern_type (%pattern_type.b3a) = out_param_pattern [symbolic = %return.param_patt.loc24_21.2 (constants.%return.param_patt.b82)]
// CHECK:STDOUT: %return.patt.loc24_18.2: @F.%pattern_type (%pattern_type.b3a) = return_slot_pattern %return.param_patt.loc24_21.2, %T.as_type.loc24_15.1 [symbolic = %return.patt.loc24_18.2 (constants.%return.patt.2e6)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T.as_type.loc20_15.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT: %I.WithSelf.Doit.type: type = fn_type @I.WithSelf.Doit, @I.WithSelf(%T.loc20_7.1) [symbolic = %I.WithSelf.Doit.type (constants.%I.WithSelf.Doit.type.860)]
// CHECK:STDOUT: %.loc21_4: type = fn_type_with_self_type %I.WithSelf.Doit.type, %T.loc20_7.1 [symbolic = %.loc21_4 (constants.%.8a9)]
// CHECK:STDOUT: %I.lookup_impl_witness: <witness> = lookup_impl_witness %T.loc20_7.1, @I [symbolic = %I.lookup_impl_witness (constants.%I.lookup_impl_witness)]
// CHECK:STDOUT: %impl.elem0.loc21_4.2: @F.%.loc21_4 (%.8a9) = impl_witness_access %I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc21_4.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %specific_impl_fn.loc21_4.2: <specific function> = specific_impl_function %impl.elem0.loc21_4.2, @I.WithSelf.Doit(%T.loc20_7.1) [symbolic = %specific_impl_fn.loc21_4.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T.as_type.loc24_15.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT: %I.WithSelf.Doit.type: type = fn_type @I.WithSelf.Doit, @I.WithSelf(%T.loc24_7.1) [symbolic = %I.WithSelf.Doit.type (constants.%I.WithSelf.Doit.type.860)]
// CHECK:STDOUT: %.loc25_11: type = fn_type_with_self_type %I.WithSelf.Doit.type, %T.loc24_7.1 [symbolic = %.loc25_11 (constants.%.8a9)]
// CHECK:STDOUT: %I.lookup_impl_witness: <witness> = lookup_impl_witness %T.loc24_7.1, @I [symbolic = %I.lookup_impl_witness (constants.%I.lookup_impl_witness)]
// CHECK:STDOUT: %impl.elem0.loc25_11.2: @F.%.loc25_11 (%.8a9) = impl_witness_access %I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc25_11.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %specific_impl_fn.loc25_11.2: <specific function> = specific_impl_function %impl.elem0.loc25_11.2, @I.WithSelf.Doit(%T.loc24_7.1) [symbolic = %specific_impl_fn.loc25_11.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%t.param: @F.%T.as_type.loc20_15.1 (%T.as_type)) {
// CHECK:STDOUT: fn(%t.param: @F.%T.as_type.loc24_15.1 (%T.as_type)) -> out %return.param: @F.%T.as_type.loc24_15.1 (%T.as_type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %t.ref: @F.%T.as_type.loc20_15.1 (%T.as_type) = name_ref t, %t
// CHECK:STDOUT: %t.ref: @F.%T.as_type.loc24_15.1 (%T.as_type) = name_ref t, %t
// CHECK:STDOUT: %Doit.ref: %I.assoc_type = name_ref Doit, @I.WithSelf.%assoc0 [concrete = constants.%assoc0.628]
// CHECK:STDOUT: %impl.elem0.loc21_4.1: @F.%.loc21_4 (%.8a9) = impl_witness_access constants.%I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc21_4.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %bound_method.loc21_4: <bound method> = bound_method %t.ref, %impl.elem0.loc21_4.1
// CHECK:STDOUT: %.loc21_10.1: %I.type = converted constants.%T.as_type, constants.%T [symbolic = %T.loc20_7.1 (constants.%T)]
// CHECK:STDOUT: %.loc21_10.2: %I.type = converted constants.%T.as_type, constants.%T [symbolic = %T.loc20_7.1 (constants.%T)]
// CHECK:STDOUT: %specific_impl_fn.loc21_4.1: <specific function> = specific_impl_function %impl.elem0.loc21_4.1, @I.WithSelf.Doit(constants.%T) [symbolic = %specific_impl_fn.loc21_4.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %bound_method.loc21_10: <bound method> = bound_method %t.ref, %specific_impl_fn.loc21_4.1
// CHECK:STDOUT: %I.WithSelf.Doit.call: init %empty_tuple.type = call %bound_method.loc21_10(%t.ref)
// CHECK:STDOUT: return
// CHECK:STDOUT: %impl.elem0.loc25_11.1: @F.%.loc25_11 (%.8a9) = impl_witness_access constants.%I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc25_11.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %bound_method.loc25_11: <bound method> = bound_method %t.ref, %impl.elem0.loc25_11.1
// CHECK:STDOUT: %.loc25_17.1: %I.type = converted constants.%T.as_type, constants.%T [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %.loc25_17.2: %I.type = converted constants.%T.as_type, constants.%T [symbolic = %T.loc24_7.1 (constants.%T)]
// CHECK:STDOUT: %specific_impl_fn.loc25_11.1: <specific function> = specific_impl_function %impl.elem0.loc25_11.1, @I.WithSelf.Doit(constants.%T) [symbolic = %specific_impl_fn.loc25_11.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %bound_method.loc25_17: <bound method> = bound_method %t.ref, %specific_impl_fn.loc25_11.1
// CHECK:STDOUT: %.loc24_21.1: ref @F.%T.as_type.loc24_15.1 (%T.as_type) = splice_block %return.param {}
// CHECK:STDOUT: %I.WithSelf.Doit.call: init @F.%T.as_type.loc24_15.1 (%T.as_type) to %.loc24_21.1 = call %bound_method.loc25_17(%t.ref)
// CHECK:STDOUT: return %I.WithSelf.Doit.call to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A.__destroy_thunk(%self.param: ref %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %impl.elem0: %.dca = impl_witness_access constants.%custom_witness.df9cc1.2, element0 [concrete = constants.%Destroy.Op.1a2547.2]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %self.param, %impl.elem0
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %bound_method(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_9.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_9.2(%self.param: ref %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B.__destroy_thunk(%self.param: ref %B) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %impl.elem0: %.3d9 = impl_witness_access constants.%custom_witness.df9cc1.3, element0 [concrete = constants.%Destroy.Op.1a2547.3]
// CHECK:STDOUT: %impl.elem0: %.3d9 = impl_witness_access constants.%custom_witness.df9cc1.2, element0 [concrete = constants.%Destroy.Op.1a2547.2]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %self.param, %impl.elem0
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %bound_method(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc14(%self.param: ref %B) {
// CHECK:STDOUT: fn @Destroy.Op.loc16_9.1(%self.param: ref %empty_struct_type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc16_9.2(%self.param: ref %B) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F__carbon_thunkinst64000035(%_.param: ref %A) {
// CHECK:STDOUT: fn @A.__destroy_thunk(%self.param: ref %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F__carbon_thunkinst64000035.ref: %F.type = name_ref F__carbon_thunkinst64000035, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %I.facet.loc20_18.1: %I.type = facet_value constants.%A, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc20_18.1: %I.type = converted constants.%A, %I.facet.loc20_18.1 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %I.facet.loc20_18.2: %I.type = facet_value constants.%A, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc20_18.2: %I.type = converted constants.%A, %I.facet.loc20_18.2 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F__carbon_thunkinst64000035.ref, @F(constants.%I.facet.64b) [concrete = constants.%F.specific_fn.f33]
// CHECK:STDOUT: %.loc20_18.3: %A = acquire_value %_.param
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc20_18.3)
// CHECK:STDOUT: %impl.elem0: %.dca = impl_witness_access constants.%custom_witness.df9cc1.3, element0 [concrete = constants.%Destroy.Op.1a2547.3]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %self.param, %impl.elem0
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %bound_method(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F__carbon_thunkinst64000050(%_.param: ref %B) {
// CHECK:STDOUT: fn @Destroy.Op.loc9(%self.param: ref %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F__carbon_thunkinst64000050.ref: %F.type = name_ref F__carbon_thunkinst64000050, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %I.facet.loc20_18.1: %I.type = facet_value constants.%B, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc20_18.1: %I.type = converted constants.%B, %I.facet.loc20_18.1 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %I.facet.loc20_18.2: %I.type = facet_value constants.%B, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc20_18.2: %I.type = converted constants.%B, %I.facet.loc20_18.2 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F__carbon_thunkinst64000050.ref, @F(constants.%I.facet.9f8) [concrete = constants.%F.specific_fn.db2]
// CHECK:STDOUT: %.loc20_18.3: %B = acquire_value %_.param
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc20_18.3)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F__carbon_thunkinst64000043(%_.param.loc24_23.1: ref %A, %_.param.loc24_23.2: ref %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F__carbon_thunkinst64000043.ref: %F.type = name_ref F__carbon_thunkinst64000043, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %I.facet.loc24_23.1: %I.type = facet_value constants.%A, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc24_23.1: %I.type = converted constants.%A, %I.facet.loc24_23.1 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %I.facet.loc24_23.2: %I.type = facet_value constants.%A, (constants.%I.impl_witness.6ad) [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %.loc24_23.2: %I.type = converted constants.%A, %I.facet.loc24_23.2 [concrete = constants.%I.facet.64b]
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F__carbon_thunkinst64000043.ref, @F(constants.%I.facet.64b) [concrete = constants.%F.specific_fn.f33]
// CHECK:STDOUT: %.loc24_23.3: ref %A = splice_block %_.param.loc24_23.2 {}
// CHECK:STDOUT: %.loc24_23.4: %A = acquire_value %_.param.loc24_23.1
// CHECK:STDOUT: %F.call: init %A to %.loc24_23.3 = call %F.specific_fn(%.loc24_23.4)
// CHECK:STDOUT: assign %_.param.loc24_23.2, %F.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F__carbon_thunkinst6400006C(%_.param.loc24_23.1: ref %B, %_.param.loc24_23.2: ref %B) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F__carbon_thunkinst6400006C.ref: %F.type = name_ref F__carbon_thunkinst6400006C, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %I.facet.loc24_23.1: %I.type = facet_value constants.%B, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc24_23.1: %I.type = converted constants.%B, %I.facet.loc24_23.1 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %I.facet.loc24_23.2: %I.type = facet_value constants.%B, (constants.%I.impl_witness.5b8) [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %.loc24_23.2: %I.type = converted constants.%B, %I.facet.loc24_23.2 [concrete = constants.%I.facet.9f8]
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F__carbon_thunkinst6400006C.ref, @F(constants.%I.facet.9f8) [concrete = constants.%F.specific_fn.db2]
// CHECK:STDOUT: %.loc24_23.3: ref %B = splice_block %_.param.loc24_23.2 {}
// CHECK:STDOUT: %.loc24_23.4: %B = acquire_value %_.param.loc24_23.1
// CHECK:STDOUT: %F.call: init %B to %.loc24_23.3 = call %F.specific_fn(%.loc24_23.4)
// CHECK:STDOUT: assign %_.param.loc24_23.2, %F.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -455,6 +519,9 @@ void G() {
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.c60
// CHECK:STDOUT: %self.param_patt.loc6_11.2 => constants.%self.param_patt.a33
// CHECK:STDOUT: %self.patt.loc6_11.2 => constants.%self.patt.696
// CHECK:STDOUT: %.loc6_20.1 => constants.%.8fc
// CHECK:STDOUT: %return.param_patt.loc6_20.2 => constants.%return.param_patt.434
// CHECK:STDOUT: %return.patt.loc6_17.2 => constants.%return.patt.44a
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%I.facet.64b) {
@@ -470,6 +537,9 @@ void G() {
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.9ef
// CHECK:STDOUT: %self.param_patt.loc6_11.2 => constants.%self.param_patt.04e
// CHECK:STDOUT: %self.patt.loc6_11.2 => constants.%self.patt.312
// CHECK:STDOUT: %.loc6_20.1 => constants.%.cbf
// CHECK:STDOUT: %return.param_patt.loc6_20.2 => constants.%return.param_patt.f0c
// CHECK:STDOUT: %return.patt.loc6_17.2 => constants.%return.patt.a6d
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%I.facet.9f8) {
@@ -485,15 +555,21 @@ void G() {
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.e39
// CHECK:STDOUT: %self.param_patt.loc6_11.2 => constants.%self.param_patt.f1f
// CHECK:STDOUT: %self.patt.loc6_11.2 => constants.%self.patt.4eb
// CHECK:STDOUT: %.loc6_20.1 => constants.%.d83
// CHECK:STDOUT: %return.param_patt.loc6_20.2 => constants.%return.param_patt.934
// CHECK:STDOUT: %return.patt.loc6_17.2 => constants.%return.patt.911
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T.patt.loc20_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc20_7.1 => constants.%T
// CHECK:STDOUT: %T.as_type.loc20_15.1 => constants.%T.as_type
// CHECK:STDOUT: %T.patt.loc24_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc24_7.1 => constants.%T
// CHECK:STDOUT: %T.as_type.loc24_15.1 => constants.%T.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.b3a
// CHECK:STDOUT: %t.param_patt.loc20_13.2 => constants.%t.param_patt.5db
// CHECK:STDOUT: %t.patt.loc20_13.2 => constants.%t.patt.030
// CHECK:STDOUT: %t.param_patt.loc24_13.2 => constants.%t.param_patt.5db
// CHECK:STDOUT: %t.patt.loc24_13.2 => constants.%t.patt.030
// CHECK:STDOUT: %.loc24_21.2 => constants.%.0ce
// CHECK:STDOUT: %return.param_patt.loc24_21.2 => constants.%return.param_patt.b82
// CHECK:STDOUT: %return.patt.loc24_18.2 => constants.%return.patt.2e6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%T) {
@@ -509,57 +585,72 @@ void G() {
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.b3a
// CHECK:STDOUT: %self.param_patt.loc6_11.2 => constants.%self.param_patt.58e
// CHECK:STDOUT: %self.patt.loc6_11.2 => constants.%self.patt.300
// CHECK:STDOUT: %.loc6_20.1 => constants.%.0ce
// CHECK:STDOUT: %return.param_patt.loc6_20.2 => constants.%return.param_patt.b82
// CHECK:STDOUT: %return.patt.loc6_17.2 => constants.%return.patt.2e6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(file.%.loc20_18.1) {
// CHECK:STDOUT: %T.patt.loc20_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc20_7.1 => constants.%I.facet.64b
// CHECK:STDOUT: %T.as_type.loc20_15.1 => constants.%A
// CHECK:STDOUT: specific @F(file.%.loc24_23.1) {
// CHECK:STDOUT: %T.patt.loc24_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc24_7.1 => constants.%I.facet.64b
// CHECK:STDOUT: %T.as_type.loc24_15.1 => constants.%A
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.9ef
// CHECK:STDOUT: %t.param_patt.loc20_13.2 => constants.%t.param_patt.169
// CHECK:STDOUT: %t.patt.loc20_13.2 => constants.%t.patt.ee8
// CHECK:STDOUT: %t.param_patt.loc24_13.2 => constants.%t.param_patt.169
// CHECK:STDOUT: %t.patt.loc24_13.2 => constants.%t.patt.ee8
// CHECK:STDOUT: %.loc24_21.2 => constants.%.cbf
// CHECK:STDOUT: %return.param_patt.loc24_21.2 => constants.%return.param_patt.f0c
// CHECK:STDOUT: %return.patt.loc24_18.2 => constants.%return.patt.a6d
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%I.facet.64b) {
// CHECK:STDOUT: %T.patt.loc20_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc20_7.1 => constants.%I.facet.64b
// CHECK:STDOUT: %T.as_type.loc20_15.1 => constants.%A
// CHECK:STDOUT: %T.patt.loc24_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc24_7.1 => constants.%I.facet.64b
// CHECK:STDOUT: %T.as_type.loc24_15.1 => constants.%A
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.9ef
// CHECK:STDOUT: %t.param_patt.loc20_13.2 => constants.%t.param_patt.169
// CHECK:STDOUT: %t.patt.loc20_13.2 => constants.%t.patt.ee8
// CHECK:STDOUT: %t.param_patt.loc24_13.2 => constants.%t.param_patt.169
// CHECK:STDOUT: %t.patt.loc24_13.2 => constants.%t.patt.ee8
// CHECK:STDOUT: %.loc24_21.2 => constants.%.cbf
// CHECK:STDOUT: %return.param_patt.loc24_21.2 => constants.%return.param_patt.f0c
// CHECK:STDOUT: %return.patt.loc24_18.2 => constants.%return.patt.a6d
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type
// CHECK:STDOUT: %I.WithSelf.Doit.type => constants.%I.WithSelf.Doit.type.5b3
// CHECK:STDOUT: %.loc21_4 => constants.%.660
// CHECK:STDOUT: %.loc25_11 => constants.%.660
// CHECK:STDOUT: %I.lookup_impl_witness => constants.%I.impl_witness.6ad
// CHECK:STDOUT: %impl.elem0.loc21_4.2 => constants.%A.as.I.impl.Doit
// CHECK:STDOUT: %specific_impl_fn.loc21_4.2 => constants.%A.as.I.impl.Doit
// CHECK:STDOUT: %impl.elem0.loc25_11.2 => constants.%A.as.I.impl.Doit
// CHECK:STDOUT: %specific_impl_fn.loc25_11.2 => constants.%A.as.I.impl.Doit
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(file.%.loc20_18.2) {
// CHECK:STDOUT: %T.patt.loc20_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc20_7.1 => constants.%I.facet.9f8
// CHECK:STDOUT: %T.as_type.loc20_15.1 => constants.%B
// CHECK:STDOUT: specific @F(file.%.loc24_23.2) {
// CHECK:STDOUT: %T.patt.loc24_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc24_7.1 => constants.%I.facet.9f8
// CHECK:STDOUT: %T.as_type.loc24_15.1 => constants.%B
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.e39
// CHECK:STDOUT: %t.param_patt.loc20_13.2 => constants.%t.param_patt.267
// CHECK:STDOUT: %t.patt.loc20_13.2 => constants.%t.patt.062
// CHECK:STDOUT: %t.param_patt.loc24_13.2 => constants.%t.param_patt.267
// CHECK:STDOUT: %t.patt.loc24_13.2 => constants.%t.patt.062
// CHECK:STDOUT: %.loc24_21.2 => constants.%.d83
// CHECK:STDOUT: %return.param_patt.loc24_21.2 => constants.%return.param_patt.934
// CHECK:STDOUT: %return.patt.loc24_18.2 => constants.%return.patt.911
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%I.facet.9f8) {
// CHECK:STDOUT: %T.patt.loc20_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc20_7.1 => constants.%I.facet.9f8
// CHECK:STDOUT: %T.as_type.loc20_15.1 => constants.%B
// CHECK:STDOUT: %T.patt.loc24_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc24_7.1 => constants.%I.facet.9f8
// CHECK:STDOUT: %T.as_type.loc24_15.1 => constants.%B
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.e39
// CHECK:STDOUT: %t.param_patt.loc20_13.2 => constants.%t.param_patt.267
// CHECK:STDOUT: %t.patt.loc20_13.2 => constants.%t.patt.062
// CHECK:STDOUT: %t.param_patt.loc24_13.2 => constants.%t.param_patt.267
// CHECK:STDOUT: %t.patt.loc24_13.2 => constants.%t.patt.062
// CHECK:STDOUT: %.loc24_21.2 => constants.%.d83
// CHECK:STDOUT: %return.param_patt.loc24_21.2 => constants.%return.param_patt.934
// CHECK:STDOUT: %return.patt.loc24_18.2 => constants.%return.patt.911
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type
// CHECK:STDOUT: %I.WithSelf.Doit.type => constants.%I.WithSelf.Doit.type.2ce
// CHECK:STDOUT: %.loc21_4 => constants.%.545
// CHECK:STDOUT: %.loc25_11 => constants.%.545
// CHECK:STDOUT: %I.lookup_impl_witness => constants.%I.impl_witness.5b8
// CHECK:STDOUT: %impl.elem0.loc21_4.2 => constants.%B.as.I.impl.Doit
// CHECK:STDOUT: %specific_impl_fn.loc21_4.2 => constants.%B.as.I.impl.Doit
// CHECK:STDOUT: %impl.elem0.loc25_11.2 => constants.%B.as.I.impl.Doit
// CHECK:STDOUT: %specific_impl_fn.loc25_11.2 => constants.%B.as.I.impl.Doit
// CHECK:STDOUT: }
// CHECK:STDOUT: