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carbon-lang/toolchain/check/testdata/class/raw_self.carbon
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Dana Jansens 5ae5170421 Allow deduction of tuple and struct literals as symbolic generic facet types (#6365) 
Give TupleLiteral and StructLiteral a constant value, if their contents
have constant values. Their constant values are TupleValue and
StructValue respectively. This supports their ability to convert to a
constant type (or facet type).

This way when deduce finds a TupleLiteral as the argument to a
_symbolic_ facet type, it can also find a constant value to use for that
argument. This allows deduction to move onto step two, where it can
substitute into the symbolic parameter from previous deduced arguments,
and then perform the conversion from the TupleValue to the desired facet
type.

Allow `PerformBuiltinConversion()` to convert from a canonical
TupleValue or StructValue to `type` instead of only from literals. Then,
also support conversion from a symbolic binding of type TupleType or
StructType to `type`.
2025-11-13 20:17:44 +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/raw_self.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/raw_self.carbon
class Class {
fn F[ref self: Self](r#self: i32);
fn G[self: Self](r#self: i32) -> (i32, i32);
var n: i32;
}
fn Class.F[ref self: Self](r#self: i32) {
self.n = r#self;
}
fn Class.G[self: Self](r#self: i32) -> (i32, i32) {
return (self.n, r#self);
}
// CHECK:STDOUT: --- raw_self.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [concrete]
// CHECK:STDOUT: %pattern_type.761: type = pattern_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 = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %Class.F.type: type = fn_type @Class.F [concrete]
// CHECK:STDOUT: %Class.F: %Class.F.type = struct_value () [concrete]
// CHECK:STDOUT: %tuple.type.24b: type = tuple_type (type, type) [concrete]
// CHECK:STDOUT: %tuple.95a: %tuple.type.24b = tuple_value (%i32, %i32) [concrete]
// CHECK:STDOUT: %tuple.type.d07: type = tuple_type (%i32, %i32) [concrete]
// CHECK:STDOUT: %pattern_type.511: type = pattern_type %tuple.type.d07 [concrete]
// CHECK:STDOUT: %Class.G.type: type = fn_type @Class.G [concrete]
// CHECK:STDOUT: %Class.G: %Class.G.type = struct_value () [concrete]
// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %i32 [concrete]
// CHECK:STDOUT: %struct_type.n: type = struct_type {.n: %i32} [concrete]
// CHECK:STDOUT: %complete_type.54b: <witness> = complete_type_witness %struct_type.n [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.24b: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.c95: %Int.as.Copy.impl.Op.type.24b = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.fb7: <witness> = impl_witness imports.%Copy.impl_witness_table.b6a, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.469: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.dfd: %Int.as.Copy.impl.Op.type.469 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.fb7) [concrete]
// CHECK:STDOUT: %.65f: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.dfd, @Int.as.Copy.impl.Op(%int_32) [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.d12: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.24b) = 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.c95)]
// CHECK:STDOUT: %Copy.impl_witness_table.b6a = impl_witness_table (%Core.import_ref.d12), @Int.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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
// CHECK:STDOUT: %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
// CHECK:STDOUT: %self.patt.loc21_16: %pattern_type.761 = ref_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt.loc21_20: %pattern_type.761 = ref_param_pattern %self.patt.loc21_16, call_param0 [concrete]
// CHECK:STDOUT: %self.patt.loc21_28: %pattern_type.7ce = value_binding_pattern r#self [concrete]
// CHECK:STDOUT: %self.param_patt.loc21_34: %pattern_type.7ce = value_param_pattern %self.patt.loc21_28, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param.loc21_20: ref %Class = ref_param call_param0
// CHECK:STDOUT: %Self.ref.loc21: type = name_ref Self, constants.%Class [concrete = constants.%Class]
// CHECK:STDOUT: %self.loc21_16: ref %Class = ref_binding self, %self.param.loc21_20
// CHECK:STDOUT: %self.param.loc21_34: %i32 = value_param call_param1
// CHECK:STDOUT: %.loc21: type = splice_block %i32.loc21 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc21: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc21: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc21_28: %i32 = value_binding r#self, %self.param.loc21_34
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.G.decl: %Class.G.type = fn_decl @Class.G [concrete = constants.%Class.G] {
// CHECK:STDOUT: %self.patt.loc25_12: %pattern_type.761 = value_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt.loc25_16: %pattern_type.761 = value_param_pattern %self.patt.loc25_12, call_param0 [concrete]
// CHECK:STDOUT: %self.patt.loc25_24: %pattern_type.7ce = value_binding_pattern r#self [concrete]
// CHECK:STDOUT: %self.param_patt.loc25_30: %pattern_type.7ce = value_param_pattern %self.patt.loc25_24, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.511 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.511 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32.loc25_41: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc25_41: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_32.loc25_46: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc25_46: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc25_49.1: %tuple.type.24b = tuple_literal (%i32.loc25_41, %i32.loc25_46) [concrete = constants.%tuple.95a]
// CHECK:STDOUT: %.loc25_49.2: type = converted %.loc25_49.1, constants.%tuple.type.d07 [concrete = constants.%tuple.type.d07]
// CHECK:STDOUT: %self.param.loc25_16: %Class = value_param call_param0
// CHECK:STDOUT: %Self.ref.loc25: type = name_ref Self, constants.%Class [concrete = constants.%Class]
// CHECK:STDOUT: %self.loc25_12: %Class = value_binding self, %self.param.loc25_16
// CHECK:STDOUT: %self.param.loc25_30: %i32 = value_param call_param1
// CHECK:STDOUT: %.loc25_32: type = splice_block %i32.loc25_32 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc25_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc25_32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc25_24: %i32 = value_binding r#self, %self.param.loc25_30
// CHECK:STDOUT: %return.param.loc25: ref %tuple.type.d07 = out_param call_param2
// CHECK:STDOUT: %return.loc25: ref %tuple.type.d07 = return_slot %return.param.loc25
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
// CHECK:STDOUT: %self.patt.loc21_16: %pattern_type.761 = ref_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt.loc21_20: %pattern_type.761 = ref_param_pattern %self.patt.loc21_16, call_param0 [concrete]
// CHECK:STDOUT: %self.patt.loc21_28: %pattern_type.7ce = value_binding_pattern r#self [concrete]
// CHECK:STDOUT: %self.param_patt.loc21_34: %pattern_type.7ce = value_param_pattern %self.patt.loc21_28, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param.loc16_16: ref %Class = ref_param call_param0
// CHECK:STDOUT: %Self.ref.loc16: type = name_ref Self, constants.%Class [concrete = constants.%Class]
// CHECK:STDOUT: %self.loc16_12: ref %Class = ref_binding self, %self.param.loc16_16
// CHECK:STDOUT: %self.param.loc16_30: %i32 = value_param call_param1
// CHECK:STDOUT: %.loc16: type = splice_block %i32.loc16 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc16_24: %i32 = value_binding r#self, %self.param.loc16_30
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.G.decl: %Class.G.type = fn_decl @Class.G [concrete = constants.%Class.G] {
// CHECK:STDOUT: %self.patt.loc25_12: %pattern_type.761 = value_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt.loc25_16: %pattern_type.761 = value_param_pattern %self.patt.loc25_12, call_param0 [concrete]
// CHECK:STDOUT: %self.patt.loc25_24: %pattern_type.7ce = value_binding_pattern r#self [concrete]
// CHECK:STDOUT: %self.param_patt.loc25_30: %pattern_type.7ce = value_param_pattern %self.patt.loc25_24, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.511 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.511 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32.loc17_37: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc17_37: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_32.loc17_42: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc17_42: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc17_45.1: %tuple.type.24b = tuple_literal (%i32.loc17_37, %i32.loc17_42) [concrete = constants.%tuple.95a]
// CHECK:STDOUT: %.loc17_45.2: type = converted %.loc17_45.1, constants.%tuple.type.d07 [concrete = constants.%tuple.type.d07]
// CHECK:STDOUT: %self.param.loc17_12: %Class = value_param call_param0
// CHECK:STDOUT: %Self.ref.loc17: type = name_ref Self, constants.%Class [concrete = constants.%Class]
// CHECK:STDOUT: %self.loc17_8: %Class = value_binding self, %self.param.loc17_12
// CHECK:STDOUT: %self.param.loc17_26: %i32 = value_param call_param1
// CHECK:STDOUT: %.loc17_28: type = splice_block %i32.loc17_28 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc17_28: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc17_28: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc17_20: %i32 = value_binding r#self, %self.param.loc17_26
// CHECK:STDOUT: %return.param.loc17: ref %tuple.type.d07 = out_param call_param2
// CHECK:STDOUT: %return.loc17: ref %tuple.type.d07 = return_slot %return.param.loc17
// CHECK:STDOUT: }
// 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: %.loc18: %Class.elem = field_decl n, element0 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.n [concrete = constants.%complete_type.54b]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .F = %Class.F.decl
// CHECK:STDOUT: .G = %Class.G.decl
// CHECK:STDOUT: .n = %.loc18
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Class.F(%self.param.loc21_20: %Class, %self.param.loc21_34: %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref.loc22_3: ref %Class = name_ref self, %self.loc21_16
// CHECK:STDOUT: %n.ref: %Class.elem = name_ref n, @Class.%.loc18 [concrete = @Class.%.loc18]
// CHECK:STDOUT: %.loc22: ref %i32 = class_element_access %self.ref.loc22_3, element0
// CHECK:STDOUT: %self.ref.loc22_12: %i32 = name_ref r#self, %self.loc21_28
// CHECK:STDOUT: %impl.elem0: %.65f = impl_witness_access constants.%Copy.impl_witness.fb7, element0 [concrete = constants.%Int.as.Copy.impl.Op.dfd]
// CHECK:STDOUT: %bound_method.loc22_12.1: <bound method> = bound_method %self.ref.loc22_12, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc22_12.2: <bound method> = bound_method %self.ref.loc22_12, %specific_fn
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc22_12.2(%self.ref.loc22_12)
// CHECK:STDOUT: assign %.loc22, %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Class.G(%self.param.loc25_16: %Class, %self.param.loc25_30: %i32) -> %return.param.loc25: %tuple.type.d07 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref.loc26_11: %Class = name_ref self, %self.loc25_12
// CHECK:STDOUT: %n.ref: %Class.elem = name_ref n, @Class.%.loc18 [concrete = @Class.%.loc18]
// CHECK:STDOUT: %.loc26_15.1: ref %i32 = class_element_access %self.ref.loc26_11, element0
// CHECK:STDOUT: %.loc26_15.2: %i32 = acquire_value %.loc26_15.1
// CHECK:STDOUT: %self.ref.loc26_19: %i32 = name_ref r#self, %self.loc25_24
// CHECK:STDOUT: %.loc26_25.1: %tuple.type.d07 = tuple_literal (%.loc26_15.2, %self.ref.loc26_19)
// CHECK:STDOUT: %impl.elem0.loc26_15: %.65f = impl_witness_access constants.%Copy.impl_witness.fb7, element0 [concrete = constants.%Int.as.Copy.impl.Op.dfd]
// CHECK:STDOUT: %bound_method.loc26_15.1: <bound method> = bound_method %.loc26_15.2, %impl.elem0.loc26_15
// CHECK:STDOUT: %specific_fn.loc26_15: <specific function> = specific_function %impl.elem0.loc26_15, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc26_15.2: <bound method> = bound_method %.loc26_15.2, %specific_fn.loc26_15
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc26_15: init %i32 = call %bound_method.loc26_15.2(%.loc26_15.2)
// CHECK:STDOUT: %tuple.elem0: ref %i32 = tuple_access %return.loc25, element0
// CHECK:STDOUT: %.loc26_25.2: init %i32 = initialize_from %Int.as.Copy.impl.Op.call.loc26_15 to %tuple.elem0
// CHECK:STDOUT: %impl.elem0.loc26_19: %.65f = impl_witness_access constants.%Copy.impl_witness.fb7, element0 [concrete = constants.%Int.as.Copy.impl.Op.dfd]
// CHECK:STDOUT: %bound_method.loc26_19.1: <bound method> = bound_method %self.ref.loc26_19, %impl.elem0.loc26_19
// CHECK:STDOUT: %specific_fn.loc26_19: <specific function> = specific_function %impl.elem0.loc26_19, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc26_19.2: <bound method> = bound_method %self.ref.loc26_19, %specific_fn.loc26_19
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc26_19: init %i32 = call %bound_method.loc26_19.2(%self.ref.loc26_19)
// CHECK:STDOUT: %tuple.elem1: ref %i32 = tuple_access %return.loc25, element1
// CHECK:STDOUT: %.loc26_25.3: init %i32 = initialize_from %Int.as.Copy.impl.Op.call.loc26_19 to %tuple.elem1
// CHECK:STDOUT: %.loc26_25.4: init %tuple.type.d07 = tuple_init (%.loc26_25.2, %.loc26_25.3) to %return.loc25
// CHECK:STDOUT: %.loc26_26: init %tuple.type.d07 = converted %.loc26_25.1, %.loc26_25.4
// CHECK:STDOUT: return %.loc26_26 to %return.loc25
// CHECK:STDOUT: }
// CHECK:STDOUT:
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