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carbon-lang/toolchain/check/testdata/where_expr/dot_self_index.carbon
T
Geoff Romer d21cc3197f Fix the textual IR name of WrapperBindingPattern (#7650) 
`at_binding_pattern` is a relic from an earlier revision of #6930.
2026-08-18 22:31:27 +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/primitives.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/where_expr/dot_self_index.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/where_expr/dot_self_index.carbon
interface Empty(W: type) {
let A: type;
}
// T has index 0
// .Self has index invalid, not 1
// V has index 1, does not match .Self
//@dump-sem-ir-begin
fn H(generic T: type, unused U: Empty(T) where .A = T*, unused generic V: type) {}
//@dump-sem-ir-end
fn G(U: Empty(i32) where .A = i32*) {
H(i32, U, bool);
}
// CHECK:STDOUT: --- dot_self_index.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen.197: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %Empty.type.c52: type = generic_interface_type @Empty [concrete]
// CHECK:STDOUT: %Empty.generic: %Empty.type.c52 = struct_value () [concrete]
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %T: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %Empty.type.95d624.2: type = facet_type <@Empty, @Empty(%T)> [symbolic]
// CHECK:STDOUT: %.Self.frozen.063: %Empty.type.95d624.2 = symbolic_binding .Self [symbolic]
// CHECK:STDOUT: %Empty.assoc_type.c44b55.2: type = assoc_entity_type @Empty, @Empty(%T) [symbolic]
// CHECK:STDOUT: %assoc0.3a7cb1.2: %Empty.assoc_type.c44b55.2 = assoc_entity element0, @Empty.WithSelf.%A [symbolic]
// CHECK:STDOUT: %require_complete.a43: <witness> = require_complete_type %Empty.type.95d624.2 [symbolic]
// CHECK:STDOUT: %.Self.frozen.as_type.f3f: type = facet_access_type %.Self.frozen.063 [symbolic]
// CHECK:STDOUT: %Empty.lookup_impl_witness.88a: <witness> = lookup_impl_witness %.Self.frozen.063, @Empty, @Empty(%T) [symbolic]
// CHECK:STDOUT: %impl.elem0.c2e: type = impl_witness_access %Empty.lookup_impl_witness.88a, element0 [symbolic]
// CHECK:STDOUT: %ptr.e8f: type = ptr_type %T [symbolic]
// CHECK:STDOUT: %.Self.913: %Empty.type.95d624.2 = symbolic_binding .Self [symbolic]
// CHECK:STDOUT: %Empty.lookup_impl_witness.67b: <witness> = lookup_impl_witness %.Self.913, @Empty, @Empty(%T) [symbolic]
// CHECK:STDOUT: %impl.elem0.d8a: type = impl_witness_access %Empty.lookup_impl_witness.67b, element0 [symbolic]
// CHECK:STDOUT: %Empty_where.type.696: type = facet_type <@Empty, @Empty(%T) where %impl.elem0.d8a = %ptr.e8f> [symbolic]
// CHECK:STDOUT: %pattern_type.a0f: type = pattern_type %Empty_where.type.696 [symbolic]
// CHECK:STDOUT: %U.param_patt.558: %pattern_type.a0f = value_param_pattern [symbolic]
// CHECK:STDOUT: %U.patt.1ea: %pattern_type.a0f = wrapper_binding_pattern U, %U.param_patt.558 [symbolic]
// CHECK:STDOUT: %V.patt: %pattern_type.98f = symbolic_binding_pattern V, 1 [symbolic]
// CHECK:STDOUT: %V: type = symbolic_binding V, 1 [symbolic]
// CHECK:STDOUT: %H.type: type = fn_type @H [concrete]
// CHECK:STDOUT: %H: %H.type = struct_value () [concrete]
// CHECK:STDOUT: %require_complete.e98: <witness> = require_complete_type %Empty_where.type.696 [symbolic]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %Empty.type.39c: type = facet_type <@Empty, @Empty(%i32)> [concrete]
// CHECK:STDOUT: %.Self.frozen.869: %Empty.type.39c = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %Empty.assoc_type.22b: type = assoc_entity_type @Empty, @Empty(%i32) [concrete]
// CHECK:STDOUT: %assoc0.023: %Empty.assoc_type.22b = assoc_entity element0, @Empty.WithSelf.%A [concrete]
// CHECK:STDOUT: %.Self.frozen.as_type.941: type = facet_access_type %.Self.frozen.869 [symbolic_self]
// CHECK:STDOUT: %Empty.lookup_impl_witness.635: <witness> = lookup_impl_witness %.Self.frozen.869, @Empty, @Empty(%i32) [symbolic_self]
// CHECK:STDOUT: %impl.elem0.31d: type = impl_witness_access %Empty.lookup_impl_witness.635, element0 [symbolic_self]
// CHECK:STDOUT: %ptr.d08: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %.Self.98b: %Empty.type.39c = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %Empty.lookup_impl_witness.4f6: <witness> = lookup_impl_witness %.Self.98b, @Empty, @Empty(%i32) [symbolic_self]
// CHECK:STDOUT: %impl.elem0.f25: type = impl_witness_access %Empty.lookup_impl_witness.4f6, element0 [symbolic_self]
// CHECK:STDOUT: %Empty_where.type.944: type = facet_type <@Empty, @Empty(%i32) where %impl.elem0.f25 = %ptr.d08> [concrete]
// CHECK:STDOUT: %pattern_type.12c: type = pattern_type %Empty_where.type.944 [concrete]
// CHECK:STDOUT: %U.param_patt.a6a: %pattern_type.12c = value_param_pattern [concrete]
// CHECK:STDOUT: %complete_type.c56: <witness> = complete_type_witness %Empty.type.39c [concrete]
// CHECK:STDOUT: %U.patt.a008b4.2: %pattern_type.12c = wrapper_binding_pattern U, %U.param_patt.a6a [concrete]
// CHECK:STDOUT: %complete_type.c21: <witness> = complete_type_witness %Empty_where.type.944 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %H.decl: %H.type = fn_decl @H [concrete = constants.%H] {
// CHECK:STDOUT: %T.patt.loc21_15.1: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc21_15.2 (constants.%T.patt)]
// CHECK:STDOUT: %U.param_patt.loc21_31.1: @H.%pattern_type (%pattern_type.a0f) = value_param_pattern [symbolic = %U.param_patt.loc21_31.2 (constants.%U.param_patt.558)]
// CHECK:STDOUT: %U.patt.loc21_31.1: @H.%pattern_type (%pattern_type.a0f) = wrapper_binding_pattern U, %U.param_patt.loc21_31.1 [symbolic = %U.patt.loc21_31.2 (constants.%U.patt.1ea)]
// CHECK:STDOUT: %V.patt.loc21_73.1: %pattern_type.98f = symbolic_binding_pattern V, 1 [symbolic = %V.patt.loc21_73.2 (constants.%V.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc21_17.1: type = splice_block %.loc21_17.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc21_15: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen.197]
// CHECK:STDOUT: %.loc21_17.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc21_15.2: type = symbolic_binding T, 0 [symbolic = %T.loc21_15.1 (constants.%T)]
// CHECK:STDOUT: %U.param: @H.%Empty_where.type (%Empty_where.type.696) = value_param call_param0
// CHECK:STDOUT: %.loc21_42.1: type = splice_block %.loc21_42.2 [symbolic = %Empty_where.type (constants.%Empty_where.type.696)] {
// CHECK:STDOUT: %Empty.ref: %Empty.type.c52 = name_ref Empty, file.%Empty.decl [concrete = constants.%Empty.generic]
// CHECK:STDOUT: %T.ref.loc21_39: type = name_ref T, %T.loc21_15.2 [symbolic = %T.loc21_15.1 (constants.%T)]
// CHECK:STDOUT: %Empty.type.loc21_40.2: type = facet_type <@Empty, @Empty(constants.%T)> [symbolic = %Empty.type.loc21_40.1 (constants.%Empty.type.95d624.2)]
// CHECK:STDOUT: %.Self.frozen.loc21_42.2: @H.%Empty.type.loc21_40.1 (%Empty.type.95d624.2) = symbolic_binding .Self [symbolic = %.Self.frozen.loc21_42.1 (constants.%.Self.frozen.063)]
// CHECK:STDOUT: %base_facet_type = requirement_base_facet_type %Empty.type.loc21_40.2 [concrete]
// CHECK:STDOUT: %.Self.ref: @H.%Empty.type.loc21_40.1 (%Empty.type.95d624.2) = name_ref .Self, %.Self.frozen.loc21_42.2 [symbolic = %.Self.frozen.loc21_42.1 (constants.%.Self.frozen.063)]
// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self.ref [symbolic = %.Self.frozen.as_type (constants.%.Self.frozen.as_type.f3f)]
// CHECK:STDOUT: %.loc21_48.1: type = converted %.Self.ref, %.Self.as_type [symbolic = %.Self.frozen.as_type (constants.%.Self.frozen.as_type.f3f)]
// CHECK:STDOUT: %.loc21_48.2: @H.%Empty.assoc_type (%Empty.assoc_type.c44b55.2) = specific_constant @A.%assoc0, @Empty.WithSelf(constants.%T, constants.%.Self.frozen.063) [symbolic = %assoc0 (constants.%assoc0.3a7cb1.2)]
// CHECK:STDOUT: %A.ref: @H.%Empty.assoc_type (%Empty.assoc_type.c44b55.2) = name_ref A, %.loc21_48.2 [symbolic = %assoc0 (constants.%assoc0.3a7cb1.2)]
// CHECK:STDOUT: %impl.elem0.loc21_48.3: type = impl_witness_access constants.%Empty.lookup_impl_witness.88a, element0 [symbolic = %impl.elem0.loc21_48.1 (constants.%impl.elem0.c2e)]
// CHECK:STDOUT: %T.ref.loc21_53: type = name_ref T, %T.loc21_15.2 [symbolic = %T.loc21_15.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc21_54.2: type = ptr_type %T.ref.loc21_53 [symbolic = %ptr.loc21_54.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %rewrite.loc21_51.1 = requirement_rewrite %impl.elem0.loc21_48.3, %ptr.loc21_54.2 [concrete]
// CHECK:STDOUT: %impl.elem0.loc21_48.4: type = impl_witness_access constants.%Empty.lookup_impl_witness.67b, element0 [symbolic = %impl.elem0.loc21_48.2 (constants.%impl.elem0.d8a)]
// CHECK:STDOUT: %rewrite.loc21_51.2 = requirement_rewrite %impl.elem0.loc21_48.4, %ptr.loc21_54.2 [concrete]
// CHECK:STDOUT: %.loc21_42.2: type = where_expr [symbolic = %Empty_where.type (constants.%Empty_where.type.696)] {
// CHECK:STDOUT: %base_facet_type = requirement_base_facet_type %Empty.type.loc21_40.2 [concrete]
// CHECK:STDOUT: %rewrite.loc21_51.2 = requirement_rewrite %impl.elem0.loc21_48.4, %ptr.loc21_54.2 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT: %U: @H.%Empty_where.type (%Empty_where.type.696) = wrapper_binding U, %U.param
// CHECK:STDOUT: %.loc21_75.1: type = splice_block %.loc21_75.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc21_73: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen.197]
// CHECK:STDOUT: %.loc21_75.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %V.loc21_73.2: type = symbolic_binding V, 1 [symbolic = %V.loc21_73.1 (constants.%V)]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @H(%T.loc21_15.2: type, %V.loc21_73.2: type) {
// CHECK:STDOUT: %T.patt.loc21_15.2: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc21_15.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc21_15.1: type = symbolic_binding T, 0 [symbolic = %T.loc21_15.1 (constants.%T)]
// CHECK:STDOUT: %Empty.type.loc21_40.1: type = facet_type <@Empty, @Empty(%T.loc21_15.1)> [symbolic = %Empty.type.loc21_40.1 (constants.%Empty.type.95d624.2)]
// CHECK:STDOUT: %.Self.frozen.loc21_42.1: @H.%Empty.type.loc21_40.1 (%Empty.type.95d624.2) = symbolic_binding .Self [symbolic = %.Self.frozen.loc21_42.1 (constants.%.Self.frozen.063)]
// CHECK:STDOUT: %require_complete.loc21_48: <witness> = require_complete_type %Empty.type.loc21_40.1 [symbolic = %require_complete.loc21_48 (constants.%require_complete.a43)]
// CHECK:STDOUT: %.Self.frozen.as_type: type = facet_access_type %.Self.frozen.loc21_42.1 [symbolic = %.Self.frozen.as_type (constants.%.Self.frozen.as_type.f3f)]
// CHECK:STDOUT: %Empty.assoc_type: type = assoc_entity_type @Empty, @Empty(%T.loc21_15.1) [symbolic = %Empty.assoc_type (constants.%Empty.assoc_type.c44b55.2)]
// CHECK:STDOUT: %assoc0: @H.%Empty.assoc_type (%Empty.assoc_type.c44b55.2) = assoc_entity element0, @Empty.WithSelf.%A [symbolic = %assoc0 (constants.%assoc0.3a7cb1.2)]
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.1: <witness> = lookup_impl_witness %.Self.frozen.loc21_42.1, @Empty, @Empty(%T.loc21_15.1) [symbolic = %Empty.lookup_impl_witness.loc21_48.1 (constants.%Empty.lookup_impl_witness.88a)]
// CHECK:STDOUT: %impl.elem0.loc21_48.1: type = impl_witness_access %Empty.lookup_impl_witness.loc21_48.1, element0 [symbolic = %impl.elem0.loc21_48.1 (constants.%impl.elem0.c2e)]
// CHECK:STDOUT: %ptr.loc21_54.1: type = ptr_type %T.loc21_15.1 [symbolic = %ptr.loc21_54.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %.Self: @H.%Empty.type.loc21_40.1 (%Empty.type.95d624.2) = symbolic_binding .Self [symbolic = %.Self (constants.%.Self.913)]
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.2: <witness> = lookup_impl_witness %.Self, @Empty, @Empty(%T.loc21_15.1) [symbolic = %Empty.lookup_impl_witness.loc21_48.2 (constants.%Empty.lookup_impl_witness.67b)]
// CHECK:STDOUT: %impl.elem0.loc21_48.2: type = impl_witness_access %Empty.lookup_impl_witness.loc21_48.2, element0 [symbolic = %impl.elem0.loc21_48.2 (constants.%impl.elem0.d8a)]
// CHECK:STDOUT: %Empty_where.type: type = facet_type <@Empty, @Empty(%T.loc21_15.1) where %impl.elem0.loc21_48.2 = %ptr.loc21_54.1> [symbolic = %Empty_where.type (constants.%Empty_where.type.696)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Empty_where.type [symbolic = %pattern_type (constants.%pattern_type.a0f)]
// CHECK:STDOUT: %U.param_patt.loc21_31.2: @H.%pattern_type (%pattern_type.a0f) = value_param_pattern [symbolic = %U.param_patt.loc21_31.2 (constants.%U.param_patt.558)]
// CHECK:STDOUT: %U.patt.loc21_31.2: @H.%pattern_type (%pattern_type.a0f) = wrapper_binding_pattern U, %U.param_patt.loc21_31.2 [symbolic = %U.patt.loc21_31.2 (constants.%U.patt.1ea)]
// CHECK:STDOUT: %V.patt.loc21_73.2: %pattern_type.98f = symbolic_binding_pattern V, 1 [symbolic = %V.patt.loc21_73.2 (constants.%V.patt)]
// CHECK:STDOUT: %V.loc21_73.1: type = symbolic_binding V, 1 [symbolic = %V.loc21_73.1 (constants.%V)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete.loc21_31: <witness> = require_complete_type %Empty_where.type [symbolic = %require_complete.loc21_31 (constants.%require_complete.e98)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%U.param: @H.%Empty_where.type (%Empty_where.type.696)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @H(constants.%T, constants.%V) {
// CHECK:STDOUT: %T.patt.loc21_15.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc21_15.1 => constants.%T
// CHECK:STDOUT: %Empty.type.loc21_40.1 => constants.%Empty.type.95d624.2
// CHECK:STDOUT: %.Self.frozen.loc21_42.1 => constants.%.Self.frozen.063
// CHECK:STDOUT: %require_complete.loc21_48 => constants.%require_complete.a43
// CHECK:STDOUT: %.Self.frozen.as_type => constants.%.Self.frozen.as_type.f3f
// CHECK:STDOUT: %Empty.assoc_type => constants.%Empty.assoc_type.c44b55.2
// CHECK:STDOUT: %assoc0 => constants.%assoc0.3a7cb1.2
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.1 => constants.%Empty.lookup_impl_witness.88a
// CHECK:STDOUT: %impl.elem0.loc21_48.1 => constants.%impl.elem0.c2e
// CHECK:STDOUT: %ptr.loc21_54.1 => constants.%ptr.e8f
// CHECK:STDOUT: %.Self => constants.%.Self.913
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.2 => constants.%Empty.lookup_impl_witness.67b
// CHECK:STDOUT: %impl.elem0.loc21_48.2 => constants.%impl.elem0.d8a
// CHECK:STDOUT: %Empty_where.type => constants.%Empty_where.type.696
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.a0f
// CHECK:STDOUT: %U.param_patt.loc21_31.2 => constants.%U.param_patt.558
// CHECK:STDOUT: %U.patt.loc21_31.2 => constants.%U.patt.1ea
// CHECK:STDOUT: %V.patt.loc21_73.2 => constants.%V.patt
// CHECK:STDOUT: %V.loc21_73.1 => constants.%V
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @H(constants.%i32, bool) {
// CHECK:STDOUT: %T.patt.loc21_15.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc21_15.1 => constants.%i32
// CHECK:STDOUT: %Empty.type.loc21_40.1 => constants.%Empty.type.39c
// CHECK:STDOUT: %.Self.frozen.loc21_42.1 => constants.%.Self.frozen.869
// CHECK:STDOUT: %require_complete.loc21_48 => constants.%complete_type.c56
// CHECK:STDOUT: %.Self.frozen.as_type => constants.%.Self.frozen.as_type.941
// CHECK:STDOUT: %Empty.assoc_type => constants.%Empty.assoc_type.22b
// CHECK:STDOUT: %assoc0 => constants.%assoc0.023
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.1 => constants.%Empty.lookup_impl_witness.635
// CHECK:STDOUT: %impl.elem0.loc21_48.1 => constants.%impl.elem0.31d
// CHECK:STDOUT: %ptr.loc21_54.1 => constants.%ptr.d08
// CHECK:STDOUT: %.Self => constants.%.Self.98b
// CHECK:STDOUT: %Empty.lookup_impl_witness.loc21_48.2 => constants.%Empty.lookup_impl_witness.4f6
// CHECK:STDOUT: %impl.elem0.loc21_48.2 => constants.%impl.elem0.f25
// CHECK:STDOUT: %Empty_where.type => constants.%Empty_where.type.944
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.12c
// CHECK:STDOUT: %U.param_patt.loc21_31.2 => constants.%U.param_patt.a6a
// CHECK:STDOUT: %U.patt.loc21_31.2 => constants.%U.patt.a008b4.2
// CHECK:STDOUT: %V.patt.loc21_73.2 => constants.%V.patt
// CHECK:STDOUT: %V.loc21_73.1 => bool
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete.loc21_31 => constants.%complete_type.c21
// CHECK:STDOUT: }
// CHECK:STDOUT:
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