mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:10:12 +01:00
Dana Jansens
fe020ee08b
The SymbolicBindingType refers to the type value that will be substituted in for the BindSymbolicName, but holds onto the EntityNameId from the BindSymbolicName instead of (or in addition to, for now) the instruction. The EntityNameId will be used to look in the ScopeStack to find the witnesses either from the BindSymbolicName instruction, or other instructions that specify `impls` constraints against the EntityName. This will allow us to have the `T` in `I(T)` resolve to a `.Self` reference in the type so that we get type equality with the binding's type: `T:! I(.Self)`.
113 lines
8.0 KiB
Plaintext
113 lines
8.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/facet/self_in_interface_param.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/facet/self_in_interface_param.carbon
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interface I(T:! type) {
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let I1:! type;
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}
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//@dump-sem-ir-begin
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fn F(T:! I(.Self) where .I1 = ()) -> T.I1 {
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return ();
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}
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//@dump-sem-ir-end
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fn G(_:! I(.Self) where .I1 = ()) {}
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// CHECK:STDOUT: --- self_in_interface_param.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
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// CHECK:STDOUT: %.Self.659: %type = bind_symbolic_name .Self [symbolic_self]
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// CHECK:STDOUT: %I.type.dac: type = generic_interface_type @I [concrete]
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %I.generic: %I.type.dac = struct_value () [concrete]
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// CHECK:STDOUT: %.Self.binding.as_type.373: type = symbolic_binding_type .Self, %.Self.659 [symbolic_self]
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// CHECK:STDOUT: %I.type.986: type = facet_type <@I, @I(%.Self.binding.as_type.373)> [symbolic_self]
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// CHECK:STDOUT: %.Self.955: %I.type.986 = bind_symbolic_name .Self [symbolic_self]
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// CHECK:STDOUT: %I.assoc_type.4e2: type = assoc_entity_type @I, @I(%.Self.binding.as_type.373) [symbolic_self]
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// CHECK:STDOUT: %assoc0.7d3: %I.assoc_type.4e2 = assoc_entity element0, @I.%I1 [symbolic_self]
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// CHECK:STDOUT: %.Self.binding.as_type.320: type = symbolic_binding_type .Self, %.Self.955 [symbolic_self]
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// CHECK:STDOUT: %I.lookup_impl_witness.462: <witness> = lookup_impl_witness %.Self.955, @I, @I(%.Self.binding.as_type.373) [symbolic_self]
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// CHECK:STDOUT: %impl.elem0: type = impl_witness_access %I.lookup_impl_witness.462, element0 [symbolic_self]
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// CHECK:STDOUT: %I_where.type: type = facet_type <@I, @I(%.Self.binding.as_type.373) where %impl.elem0 = %empty_tuple.type> [symbolic_self]
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// CHECK:STDOUT: %T.797: %I_where.type = bind_symbolic_name T, 0 [symbolic]
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// CHECK:STDOUT: %pattern_type.85a: type = pattern_type %I_where.type [symbolic_self]
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// CHECK:STDOUT: %T.binding.as_type: type = symbolic_binding_type T, 0, %T.797 [symbolic]
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// CHECK:STDOUT: %I.lookup_impl_witness.920: <witness> = lookup_impl_witness %T.797, @I, @I(%.Self.binding.as_type.373) [symbolic]
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// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
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// CHECK:STDOUT: %T.patt: %pattern_type.85a = symbolic_binding_pattern T, 0 [concrete]
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// CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
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// CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %T.ref: %I_where.type = name_ref T, %T.loc18_6.2 [symbolic = %T.loc18_6.1 (constants.%T.797)]
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// CHECK:STDOUT: %.loc18_39.1: %I.assoc_type.4e2 = specific_constant @I1.%assoc0, @I(constants.%.Self.binding.as_type.373) [symbolic_self = constants.%assoc0.7d3]
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// CHECK:STDOUT: %I1.ref.loc18_39: %I.assoc_type.4e2 = name_ref I1, %.loc18_39.1 [symbolic_self = constants.%assoc0.7d3]
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// CHECK:STDOUT: %T.as_type: type = facet_access_type %T.ref [symbolic = %T.binding.as_type (constants.%T.binding.as_type)]
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// CHECK:STDOUT: %.loc18_39.2: type = converted %T.ref, %T.as_type [symbolic = %T.binding.as_type (constants.%T.binding.as_type)]
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// CHECK:STDOUT: %impl.elem0.loc18_39: type = impl_witness_access constants.%I.lookup_impl_witness.920, element0 [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: %.loc18_19.1: type = splice_block %.loc18_19.2 [symbolic_self = constants.%I_where.type] {
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: %I.ref: %I.type.dac = name_ref I, file.%I.decl [concrete = constants.%I.generic]
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// CHECK:STDOUT: %.Self.ref.loc18_12: %type = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.659]
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// CHECK:STDOUT: %.Self.as_type.loc18_17: type = facet_access_type %.Self.ref.loc18_12 [symbolic_self = constants.%.Self.binding.as_type.373]
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// CHECK:STDOUT: %.loc18_17: type = converted %.Self.ref.loc18_12, %.Self.as_type.loc18_17 [symbolic_self = constants.%.Self.binding.as_type.373]
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// CHECK:STDOUT: %I.type: type = facet_type <@I, @I(constants.%.Self.binding.as_type.373)> [symbolic_self = constants.%I.type.986]
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: %.Self.ref.loc18_25: %I.type.986 = name_ref .Self, %.Self.2 [symbolic_self = constants.%.Self.955]
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// CHECK:STDOUT: %.loc18_25.1: %I.assoc_type.4e2 = specific_constant @I1.%assoc0, @I(constants.%.Self.binding.as_type.373) [symbolic_self = constants.%assoc0.7d3]
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// CHECK:STDOUT: %I1.ref.loc18_25: %I.assoc_type.4e2 = name_ref I1, %.loc18_25.1 [symbolic_self = constants.%assoc0.7d3]
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// CHECK:STDOUT: %.Self.as_type.loc18_25: type = facet_access_type %.Self.ref.loc18_25 [symbolic_self = constants.%.Self.binding.as_type.320]
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// CHECK:STDOUT: %.loc18_25.2: type = converted %.Self.ref.loc18_25, %.Self.as_type.loc18_25 [symbolic_self = constants.%.Self.binding.as_type.320]
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// CHECK:STDOUT: %impl.elem0.loc18_25: type = impl_witness_access constants.%I.lookup_impl_witness.462, element0 [symbolic_self = constants.%impl.elem0]
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// CHECK:STDOUT: %.loc18_32.1: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %.loc18_32.2: type = converted %.loc18_32.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: %.loc18_19.2: type = where_expr %.Self.2 [symbolic_self = constants.%I_where.type] {
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// CHECK:STDOUT: requirement_base_facet_type constants.%I.type.986
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// CHECK:STDOUT: requirement_rewrite %impl.elem0.loc18_25, %.loc18_32.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %T.loc18_6.2: %I_where.type = bind_symbolic_name T, 0 [symbolic = %T.loc18_6.1 (constants.%T.797)]
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// CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param0
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// CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: generic fn @F(%T.loc18_6.2: %I_where.type) {
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// CHECK:STDOUT: %T.loc18_6.1: %I_where.type = bind_symbolic_name T, 0 [symbolic = %T.loc18_6.1 (constants.%T.797)]
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// CHECK:STDOUT: %T.binding.as_type: type = symbolic_binding_type T, 0, %T.loc18_6.1 [symbolic = %T.binding.as_type (constants.%T.binding.as_type)]
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// CHECK:STDOUT: %I.lookup_impl_witness: <witness> = lookup_impl_witness %T.loc18_6.1, @I, @I(constants.%.Self.binding.as_type.373) [symbolic = %I.lookup_impl_witness (constants.%I.lookup_impl_witness.920)]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !definition:
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn() -> %empty_tuple.type {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %.loc19_11.1: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %.loc19_11.2: init %empty_tuple.type = tuple_init () to %return [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: %.loc19_12: init %empty_tuple.type = converted %.loc19_11.1, %.loc19_11.2 [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: return %.loc19_12 to %return
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @F(constants.%T.797) {
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// CHECK:STDOUT: %T.loc18_6.1 => constants.%T.797
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// CHECK:STDOUT: %T.binding.as_type => constants.%T.binding.as_type
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// CHECK:STDOUT: %I.lookup_impl_witness => constants.%I.lookup_impl_witness.920
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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