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Make FacetAccessType evaluate to SymbolicBindingType for type-of a BindSymbolicName (#6115)

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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)`.
This commit is contained in:
Dana Jansens
2025-10-06 18:56:43 +00:00
committed by GitHub
parent bd4d5805dd
commit fe020ee08b
237 changed files with 7827 additions and 7586 deletions
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toolchain/check/testdata/pointer/nested_const.carbon
Vendored
+11 -11
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@@ -39,16 +39,16 @@ fn F(p: const (const (const i32*)*)) -> const i32 {
// 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.be8: %Copy.type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %const.as.Copy.impl.Op.type.333: type = fn_type @const.as.Copy.impl.Op, @const.as.Copy.impl(%T.be8) [symbolic]
// CHECK:STDOUT: %const.as.Copy.impl.Op.756: %const.as.Copy.impl.Op.type.333 = struct_value () [symbolic]
// CHECK:STDOUT: %const.as.Copy.impl.Op.type.c2e: type = fn_type @const.as.Copy.impl.Op, @const.as.Copy.impl(%T.be8) [symbolic]
// CHECK:STDOUT: %const.as.Copy.impl.Op.a33: %const.as.Copy.impl.Op.type.c2e = 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: %Copy.facet.c49: %Copy.type = facet_value %i32, (%Copy.impl_witness.a32) [concrete]
// CHECK:STDOUT: %Copy.impl_witness.327: <witness> = impl_witness imports.%Copy.impl_witness_table.83a, @const.as.Copy.impl(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.type.3d0: type = fn_type @const.as.Copy.impl.Op, @const.as.Copy.impl(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.2b9: %const.as.Copy.impl.Op.type.3d0 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.7e2: %Copy.type = facet_value %const.20a, (%Copy.impl_witness.327) [concrete]
// CHECK:STDOUT: %.56b: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.7e2 [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %const.as.Copy.impl.Op.2b9, @const.as.Copy.impl.Op(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: %Copy.impl_witness.e96: <witness> = impl_witness imports.%Copy.impl_witness_table.9cd, @const.as.Copy.impl(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.type.1fc: type = fn_type @const.as.Copy.impl.Op, @const.as.Copy.impl(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.c18: %const.as.Copy.impl.Op.type.1fc = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.b9f: %Copy.type = facet_value %const.20a, (%Copy.impl_witness.e96) [concrete]
// CHECK:STDOUT: %.78c: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.b9f [concrete]
// CHECK:STDOUT: %const.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %const.as.Copy.impl.Op.c18, @const.as.Copy.impl.Op(%Copy.facet.c49) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -62,8 +62,8 @@ fn F(p: const (const (const i32*)*)) -> const i32 {
// 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.c13: @const.as.Copy.impl.%const.as.Copy.impl.Op.type (%const.as.Copy.impl.Op.type.333) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @const.as.Copy.impl.%const.as.Copy.impl.Op (constants.%const.as.Copy.impl.Op.756)]
// CHECK:STDOUT: %Copy.impl_witness_table.83a = impl_witness_table (%Core.import_ref.c13), @const.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.722: @const.as.Copy.impl.%const.as.Copy.impl.Op.type (%const.as.Copy.impl.Op.type.c2e) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @const.as.Copy.impl.%const.as.Copy.impl.Op (constants.%const.as.Copy.impl.Op.a33)]
// CHECK:STDOUT: %Copy.impl_witness_table.9cd = impl_witness_table (%Core.import_ref.722), @const.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
@@ -106,7 +106,7 @@ fn F(p: const (const (const i32*)*)) -> const i32 {
// CHECK:STDOUT: %.loc17_10.2: %const.20a = bind_value %.loc17_10.1
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value constants.%i32, (constants.%Copy.impl_witness.a32) [concrete = constants.%Copy.facet.c49]
// CHECK:STDOUT: %.loc17_10.3: %Copy.type = converted constants.%i32, %Copy.facet [concrete = constants.%Copy.facet.c49]
// CHECK:STDOUT: %impl.elem0: %.56b = impl_witness_access constants.%Copy.impl_witness.327, element0 [concrete = constants.%const.as.Copy.impl.Op.2b9]
// CHECK:STDOUT: %impl.elem0: %.78c = impl_witness_access constants.%Copy.impl_witness.e96, element0 [concrete = constants.%const.as.Copy.impl.Op.c18]
// CHECK:STDOUT: %bound_method.loc17_10.1: <bound method> = bound_method %.loc17_10.2, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @const.as.Copy.impl.Op(constants.%Copy.facet.c49) [concrete = constants.%const.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc17_10.2: <bound method> = bound_method %.loc17_10.2, %specific_fn