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carbon-lang/toolchain/check/testdata/class/init.carbon
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Geoff Romer 09710d102f Separate binding insts for refs and values (#6235) 
This resolves a TODO in `expr_info.cpp` by using the inst kind rather
than the bound value to track the binding's category.

Since we're churning all the `bind_name` insts in testdata anyway, I'm
also taking this opportunity to align the inst naming with the design's
terminology, by calling these insts "bindings" (this aspect of the PR is
dependent on #6231 resolving an ambiguity in that terminology). For
consistency we'll need to rename several other insts as well (see the
TODO on `RefBinding`); I'm deferring that to a separate PR to minimize
the review load, but I think those name changes are in-scope for this
review.
2025-10-23 01:46:24 +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/int.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/init.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/init.carbon
class Class {
var n: i32;
var next: Class*;
}
fn Make(n: i32, next: Class*) -> Class {
return {.n = n, .next = next};
}
fn MakeReorder(n: i32, next: Class*) -> Class {
return {.next = next, .n = n};
}
// CHECK:STDOUT: --- init.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %Class.elem.c91: type = unbound_element_type %Class, %i32 [concrete]
// CHECK:STDOUT: %ptr.e71: type = ptr_type %Class [concrete]
// CHECK:STDOUT: %Class.elem.0c0: type = unbound_element_type %Class, %ptr.e71 [concrete]
// CHECK:STDOUT: %struct_type.n.next: type = struct_type {.n: %i32, .next: %ptr.e71} [concrete]
// CHECK:STDOUT: %complete_type.78f: <witness> = complete_type_witness %struct_type.n.next [concrete]
// CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %pattern_type.796: type = pattern_type %ptr.e71 [concrete]
// CHECK:STDOUT: %pattern_type.761: type = pattern_type %Class [concrete]
// CHECK:STDOUT: %Make.type: type = fn_type @Make [concrete]
// CHECK:STDOUT: %Make: %Make.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Copy.Op.type: type = fn_type @Copy.Op [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.afd: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.6cd: %Int.as.Copy.impl.Op.type.afd = struct_value () [symbolic]
// CHECK:STDOUT: %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.31f: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.8b3) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.8a8: %ptr.as.Copy.impl.Op.type.31f = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.a32: <witness> = impl_witness imports.%Copy.impl_witness_table.1ed, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.276: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.f59: %Int.as.Copy.impl.Op.type.276 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.c49: %Copy.type = facet_value %i32, (%Copy.impl_witness.a32) [concrete]
// CHECK:STDOUT: %.7fa: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.c49 [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.f59, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: %Copy.impl_witness.929: <witness> = impl_witness imports.%Copy.impl_witness_table.53c, @ptr.as.Copy.impl(%Class) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.039: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%Class) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.275: %ptr.as.Copy.impl.Op.type.039 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.a65: %Copy.type = facet_value %ptr.e71, (%Copy.impl_witness.929) [concrete]
// CHECK:STDOUT: %.93e: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.a65 [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.275, @ptr.as.Copy.impl.Op(%Class) [concrete]
// CHECK:STDOUT: %MakeReorder.type: type = fn_type @MakeReorder [concrete]
// CHECK:STDOUT: %MakeReorder: %MakeReorder.type = struct_value () [concrete]
// CHECK:STDOUT: %struct_type.next.n: type = struct_type {.next: %ptr.e71, .n: %i32} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: %Core.import_ref.d0f6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.afd) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.6cd)]
// CHECK:STDOUT: %Copy.impl_witness_table.1ed = impl_witness_table (%Core.import_ref.d0f6), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.0e4: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.31f) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.8a8)]
// CHECK:STDOUT: %Copy.impl_witness_table.53c = impl_witness_table (%Core.import_ref.0e4), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: .Make = %Make.decl
// CHECK:STDOUT: .MakeReorder = %MakeReorder.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
// CHECK:STDOUT: %Make.decl: %Make.type = fn_decl @Make [concrete = constants.%Make] {
// CHECK:STDOUT: %n.patt: %pattern_type.7ce = value_binding_pattern n [concrete]
// CHECK:STDOUT: %n.param_patt: %pattern_type.7ce = value_param_pattern %n.patt, call_param0 [concrete]
// CHECK:STDOUT: %next.patt: %pattern_type.796 = value_binding_pattern next [concrete]
// CHECK:STDOUT: %next.param_patt: %pattern_type.796 = value_param_pattern %next.patt, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.761 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.761 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Class.ref.loc20_34: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %n.param: %i32 = value_param call_param0
// CHECK:STDOUT: %.loc20_12: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n: %i32 = value_binding n, %n.param
// CHECK:STDOUT: %next.param: %ptr.e71 = value_param call_param1
// CHECK:STDOUT: %.loc20_28: type = splice_block %ptr [concrete = constants.%ptr.e71] {
// CHECK:STDOUT: %Class.ref.loc20_23: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %ptr: type = ptr_type %Class.ref.loc20_23 [concrete = constants.%ptr.e71]
// CHECK:STDOUT: }
// CHECK:STDOUT: %next: %ptr.e71 = value_binding next, %next.param
// CHECK:STDOUT: %return.param: ref %Class = out_param call_param2
// CHECK:STDOUT: %return: ref %Class = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %MakeReorder.decl: %MakeReorder.type = fn_decl @MakeReorder [concrete = constants.%MakeReorder] {
// CHECK:STDOUT: %n.patt: %pattern_type.7ce = value_binding_pattern n [concrete]
// CHECK:STDOUT: %n.param_patt: %pattern_type.7ce = value_param_pattern %n.patt, call_param0 [concrete]
// CHECK:STDOUT: %next.patt: %pattern_type.796 = value_binding_pattern next [concrete]
// CHECK:STDOUT: %next.param_patt: %pattern_type.796 = value_param_pattern %next.patt, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.761 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.761 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Class.ref.loc24_41: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %n.param: %i32 = value_param call_param0
// CHECK:STDOUT: %.loc24_19: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n: %i32 = value_binding n, %n.param
// CHECK:STDOUT: %next.param: %ptr.e71 = value_param call_param1
// CHECK:STDOUT: %.loc24_35: type = splice_block %ptr [concrete = constants.%ptr.e71] {
// CHECK:STDOUT: %Class.ref.loc24_30: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %ptr: type = ptr_type %Class.ref.loc24_30 [concrete = constants.%ptr.e71]
// CHECK:STDOUT: }
// CHECK:STDOUT: %next: %ptr.e71 = value_binding next, %next.param
// CHECK:STDOUT: %return.param: ref %Class = out_param call_param2
// CHECK:STDOUT: %return: ref %Class = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc16: %Class.elem.c91 = field_decl n, element0 [concrete]
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %ptr: type = ptr_type %Class.ref [concrete = constants.%ptr.e71]
// CHECK:STDOUT: %.loc17: %Class.elem.0c0 = field_decl next, element1 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.n.next [concrete = constants.%complete_type.78f]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .n = %.loc16
// CHECK:STDOUT: .Class = <poisoned>
// CHECK:STDOUT: .next = %.loc17
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Make(%n.param: %i32, %next.param: %ptr.e71) -> %return.param: %Class {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref: %i32 = name_ref n, %n
// CHECK:STDOUT: %next.ref: %ptr.e71 = name_ref next, %next
// CHECK:STDOUT: %.loc21_31.1: %struct_type.n.next = struct_literal (%n.ref, %next.ref)
// CHECK:STDOUT: %impl.elem0.loc21_16: %.7fa = impl_witness_access constants.%Copy.impl_witness.a32, element0 [concrete = constants.%Int.as.Copy.impl.Op.f59]
// CHECK:STDOUT: %bound_method.loc21_16.1: <bound method> = bound_method %n.ref, %impl.elem0.loc21_16
// CHECK:STDOUT: %specific_fn.loc21_16: <specific function> = specific_function %impl.elem0.loc21_16, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_16.2: <bound method> = bound_method %n.ref, %specific_fn.loc21_16
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc21_16.2(%n.ref)
// CHECK:STDOUT: %.loc21_31.2: ref %i32 = class_element_access %return, element0
// CHECK:STDOUT: %.loc21_31.3: init %i32 = initialize_from %Int.as.Copy.impl.Op.call to %.loc21_31.2
// CHECK:STDOUT: %impl.elem0.loc21_27: %.93e = impl_witness_access constants.%Copy.impl_witness.929, element0 [concrete = constants.%ptr.as.Copy.impl.Op.275]
// CHECK:STDOUT: %bound_method.loc21_27.1: <bound method> = bound_method %next.ref, %impl.elem0.loc21_27
// CHECK:STDOUT: %specific_fn.loc21_27: <specific function> = specific_function %impl.elem0.loc21_27, @ptr.as.Copy.impl.Op(constants.%Class) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_27.2: <bound method> = bound_method %next.ref, %specific_fn.loc21_27
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.e71 = call %bound_method.loc21_27.2(%next.ref)
// CHECK:STDOUT: %.loc21_31.4: ref %ptr.e71 = class_element_access %return, element1
// CHECK:STDOUT: %.loc21_31.5: init %ptr.e71 = initialize_from %ptr.as.Copy.impl.Op.call to %.loc21_31.4
// CHECK:STDOUT: %.loc21_31.6: init %Class = class_init (%.loc21_31.3, %.loc21_31.5), %return
// CHECK:STDOUT: %.loc21_32: init %Class = converted %.loc21_31.1, %.loc21_31.6
// CHECK:STDOUT: return %.loc21_32 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeReorder(%n.param: %i32, %next.param: %ptr.e71) -> %return.param: %Class {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %next.ref: %ptr.e71 = name_ref next, %next
// CHECK:STDOUT: %n.ref: %i32 = name_ref n, %n
// CHECK:STDOUT: %.loc25_31.1: %struct_type.next.n = struct_literal (%next.ref, %n.ref)
// CHECK:STDOUT: %impl.elem0.loc25_30: %.7fa = impl_witness_access constants.%Copy.impl_witness.a32, element0 [concrete = constants.%Int.as.Copy.impl.Op.f59]
// CHECK:STDOUT: %bound_method.loc25_30.1: <bound method> = bound_method %n.ref, %impl.elem0.loc25_30
// CHECK:STDOUT: %specific_fn.loc25_30: <specific function> = specific_function %impl.elem0.loc25_30, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc25_30.2: <bound method> = bound_method %n.ref, %specific_fn.loc25_30
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc25_30.2(%n.ref)
// CHECK:STDOUT: %.loc25_31.2: ref %i32 = class_element_access %return, element1
// CHECK:STDOUT: %.loc25_31.3: init %i32 = initialize_from %Int.as.Copy.impl.Op.call to %.loc25_31.2
// CHECK:STDOUT: %impl.elem0.loc25_19: %.93e = impl_witness_access constants.%Copy.impl_witness.929, element0 [concrete = constants.%ptr.as.Copy.impl.Op.275]
// CHECK:STDOUT: %bound_method.loc25_19.1: <bound method> = bound_method %next.ref, %impl.elem0.loc25_19
// CHECK:STDOUT: %specific_fn.loc25_19: <specific function> = specific_function %impl.elem0.loc25_19, @ptr.as.Copy.impl.Op(constants.%Class) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc25_19.2: <bound method> = bound_method %next.ref, %specific_fn.loc25_19
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.e71 = call %bound_method.loc25_19.2(%next.ref)
// CHECK:STDOUT: %.loc25_31.4: ref %ptr.e71 = class_element_access %return, element0
// CHECK:STDOUT: %.loc25_31.5: init %ptr.e71 = initialize_from %ptr.as.Copy.impl.Op.call to %.loc25_31.4
// CHECK:STDOUT: %.loc25_31.6: init %Class = class_init (%.loc25_31.3, %.loc25_31.5), %return
// CHECK:STDOUT: %.loc25_32: init %Class = converted %.loc25_31.1, %.loc25_31.6
// CHECK:STDOUT: return %.loc25_32 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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