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Change Destroy to use a CustomWitness instead of a blanket impl (#6512)

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Pursuant to recent decisions on #6124, switch `Destroy` to use a
`CustomWitness` for its implementation. Right now this is manufacturing
no-op implementation functions on each lookup, which obviously isn't
ideal but is intended as a first pass. I'm mostly trying to find the
right balance between updating the approach to reflect new decisions,
while still breaking apart work in a way.

The `CoreInterface` logic is intended to build on `CoreIdentifier`
support. We have a number of additional interfaces that require
specialized logic, and that'll extend pretty far with C++ interop, so it
seemed easiest to have a generic function for it. That's what's
replacing the logic inside C++ interop that was doing string comparisons
(which could have already been moved to `CoreIdentifier`, I just missed
it in my first pass).

This adds `CustomWitness` support because the `Destroy` witnesses can be
imported cross-file. `CustomWitness` was previously only used for C++
types, which don't yet support import, which is why that wasn't
previously an issue. The addition of `query_specific_interface_id` is
similarly needed in order to get correct sorting of witness blocks when
imported.

This PR also removes builtin constraint logic (note this is in a
separate commit to help review; it's not a separate PR because it's
difficult to split apart without tests breaking). This had been made
generic with the expectation that destroy, copy, move, and conversions
would all need related support. Under the new decision, we are not going
to do blanket impls and will instead just manufacture a `CustomWitness`
for everything.

A lot of SemIR fingerprints change, but that's probably because the
addition of `Destroy` on core classes is yielding structural changes.
This commit is contained in:
Jon Ross-Perkins
2025-12-19 18:36:06 +00:00
committed by GitHub
parent 1f0a3dcf37
commit c5eba90317
445 changed files with 22297 additions and 23686 deletions
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toolchain/check/testdata/interop/cpp/function/inline.carbon
Vendored
+62 -66
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@@ -156,19 +156,19 @@ fn MyF() {
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %WithoutThunk.type: type = fn_type @WithoutThunk [concrete]
// CHECK:STDOUT: %WithoutThunk: %WithoutThunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.412: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.740: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.412 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.57f: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.8c3, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.84b: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.84b = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.640: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.57f) [concrete]
// CHECK:STDOUT: %.dbf: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet.640 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.3d4: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f0 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.d59: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.d3a: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.d59 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.b94: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %.863: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet.b94 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.709: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.709 [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.type: type = cpp_overload_set_type @ThunkOnArg.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.value: %ThunkOnArg.cpp_overload_set.type = cpp_overload_set_value @ThunkOnArg.cpp_overload_set [concrete]
@@ -178,29 +178,29 @@ fn MyF() {
// CHECK:STDOUT: %ptr.251: type = ptr_type %i16 [concrete]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk.type: type = fn_type @ThunkOnArg__carbon_thunk [concrete]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk: %ThunkOnArg__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.527: type = facet_type <@ImplicitAs, @ImplicitAs(%i16)> [concrete]
// CHECK:STDOUT: %ImplicitAs.type.9fb: type = facet_type <@ImplicitAs, @ImplicitAs(%i16)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.fa6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i16) [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.cdd: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.8c3, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.c29: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.01b: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.c29 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.029: %ImplicitAs.type.527 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.cdd) [concrete]
// CHECK:STDOUT: %.ded: type = fn_type_with_self_type %ImplicitAs.Convert.type.fa6, %ImplicitAs.facet.029 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.648: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.01b [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.ec9: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.01b, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.0c5: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.ec9 [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.882: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.c54: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.8d9: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.c54 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.44d: %ImplicitAs.type.9fb = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.882) [concrete]
// CHECK:STDOUT: %.bbf: type = fn_type_with_self_type %ImplicitAs.Convert.type.fa6, %ImplicitAs.facet.44d [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.7e8: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.8d9 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.a76: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.8d9, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.576: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.a76 [concrete]
// CHECK:STDOUT: %int_1.f90: %i16 = int_value 1 [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.413: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.2d6: %Int.as.Copy.impl.Op.type.413 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.afd: <witness> = impl_witness imports.%Copy.impl_witness_table.373, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.a2d: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.bbc: %Int.as.Copy.impl.Op.type.a2d = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i16, (%Copy.impl_witness.afd) [concrete]
// CHECK:STDOUT: %.c91: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.bbc [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.bbc, @Int.as.Copy.impl.Op(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.c01: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.e99: <witness> = impl_witness imports.%Copy.impl_witness_table.e76, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.97f: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.0da: %Int.as.Copy.impl.Op.type.97f = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i16, (%Copy.impl_witness.e99) [concrete]
// CHECK:STDOUT: %.03d: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %ThunkOnReturn.cpp_overload_set.type: type = cpp_overload_set_type @ThunkOnReturn.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnReturn.cpp_overload_set.value: %ThunkOnReturn.cpp_overload_set.type = cpp_overload_set_value @ThunkOnReturn.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnReturn__carbon_thunk.type: type = fn_type @ThunkOnReturn__carbon_thunk [concrete]
@@ -209,10 +209,8 @@ fn MyF() {
// CHECK:STDOUT: %ThunkOnBoth.cpp_overload_set.value: %ThunkOnBoth.cpp_overload_set.type = cpp_overload_set_value @ThunkOnBoth.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnBoth__carbon_thunk.type: type = fn_type @ThunkOnBoth__carbon_thunk [concrete]
// CHECK:STDOUT: %ThunkOnBoth__carbon_thunk: %ThunkOnBoth__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %i16, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1f7: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.81a: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.1f7 = struct_value () [concrete]
// CHECK:STDOUT: %DestroyOp.type: type = fn_type @DestroyOp [concrete]
// CHECK:STDOUT: %DestroyOp: %DestroyOp.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -229,16 +227,16 @@ fn MyF() {
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.1b5: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.412) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.740)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.8c3 = impl_witness_table (%Core.import_ref.1b5), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.value: %ThunkOnArg.cpp_overload_set.type = cpp_overload_set_value @ThunkOnArg.cpp_overload_set [concrete = constants.%ThunkOnArg.cpp_overload_set.value]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk.decl: %ThunkOnArg__carbon_thunk.type = fn_decl @ThunkOnArg__carbon_thunk [concrete = constants.%ThunkOnArg__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.30b: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.413) = 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.2d6)]
// CHECK:STDOUT: %Copy.impl_witness_table.373 = impl_witness_table (%Core.import_ref.30b), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.18d: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.824) = 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.9b9)]
// CHECK:STDOUT: %Copy.impl_witness_table.e76 = impl_witness_table (%Core.import_ref.18d), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %ThunkOnReturn.cpp_overload_set.value: %ThunkOnReturn.cpp_overload_set.type = cpp_overload_set_value @ThunkOnReturn.cpp_overload_set [concrete = constants.%ThunkOnReturn.cpp_overload_set.value]
// CHECK:STDOUT: %ThunkOnReturn__carbon_thunk.decl: %ThunkOnReturn__carbon_thunk.type = fn_decl @ThunkOnReturn__carbon_thunk [concrete = constants.%ThunkOnReturn__carbon_thunk] {
// CHECK:STDOUT: <elided>
@@ -261,10 +259,10 @@ fn MyF() {
// CHECK:STDOUT: %Cpp.ref.loc13: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %WithoutThunk.ref: %WithoutThunk.cpp_overload_set.type = name_ref WithoutThunk, imports.%WithoutThunk.cpp_overload_set.value [concrete = constants.%WithoutThunk.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc13: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc13: %.dbf = impl_witness_access constants.%ImplicitAs.impl_witness.57f, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.6f0]
// CHECK:STDOUT: %bound_method.loc13_34.1: <bound method> = bound_method %int_1.loc13, %impl.elem0.loc13 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.3d4]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.d59]
// CHECK:STDOUT: %bound_method.loc13_34.2: <bound method> = bound_method %int_1.loc13, %specific_fn.loc13 [concrete = constants.%bound_method.d3a]
// CHECK:STDOUT: %impl.elem0.loc13: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc13_34.1: <bound method> = bound_method %int_1.loc13, %impl.elem0.loc13 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.709]
// CHECK:STDOUT: %bound_method.loc13_34.2: <bound method> = bound_method %int_1.loc13, %specific_fn.loc13 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13: init %i32 = call %bound_method.loc13_34.2(%int_1.loc13) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_34.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_34.2: %i32 = converted %int_1.loc13, %.loc13_34.1 [concrete = constants.%int_1.5d2]
@@ -282,18 +280,18 @@ fn MyF() {
// CHECK:STDOUT: %Cpp.ref.loc14: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnArg.ref: %ThunkOnArg.cpp_overload_set.type = name_ref ThunkOnArg, imports.%ThunkOnArg.cpp_overload_set.value [concrete = constants.%ThunkOnArg.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc14: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc14_32.1: %.ded = impl_witness_access constants.%ImplicitAs.impl_witness.cdd, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.01b]
// CHECK:STDOUT: %bound_method.loc14_32.1: <bound method> = bound_method %int_1.loc14, %impl.elem0.loc14_32.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.648]
// CHECK:STDOUT: %specific_fn.loc14_32.1: <specific function> = specific_function %impl.elem0.loc14_32.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.ec9]
// CHECK:STDOUT: %bound_method.loc14_32.2: <bound method> = bound_method %int_1.loc14, %specific_fn.loc14_32.1 [concrete = constants.%bound_method.0c5]
// CHECK:STDOUT: %impl.elem0.loc14_32.1: %.bbf = impl_witness_access constants.%ImplicitAs.impl_witness.882, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.8d9]
// CHECK:STDOUT: %bound_method.loc14_32.1: <bound method> = bound_method %int_1.loc14, %impl.elem0.loc14_32.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.7e8]
// CHECK:STDOUT: %specific_fn.loc14_32.1: <specific function> = specific_function %impl.elem0.loc14_32.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.a76]
// CHECK:STDOUT: %bound_method.loc14_32.2: <bound method> = bound_method %int_1.loc14, %specific_fn.loc14_32.1 [concrete = constants.%bound_method.576]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14: init %i16 = call %bound_method.loc14_32.2(%int_1.loc14) [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc14_32.1: %i16 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14 [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc14_32.2: %i16 = converted %int_1.loc14, %.loc14_32.1 [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc14_32.3: ref %i16 = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc14_32.2: %.c91 = impl_witness_access constants.%Copy.impl_witness.afd, element0 [concrete = constants.%Int.as.Copy.impl.Op.bbc]
// CHECK:STDOUT: %impl.elem0.loc14_32.2: %.03d = impl_witness_access constants.%Copy.impl_witness.e99, element0 [concrete = constants.%Int.as.Copy.impl.Op.0da]
// CHECK:STDOUT: %bound_method.loc14_32.3: <bound method> = bound_method %.loc14_32.2, %impl.elem0.loc14_32.2 [concrete = constants.%Int.as.Copy.impl.Op.bound]
// CHECK:STDOUT: %specific_fn.loc14_32.2: <specific function> = specific_function %impl.elem0.loc14_32.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc14_32.4: <bound method> = bound_method %.loc14_32.2, %specific_fn.loc14_32.2 [concrete = constants.%bound_method.c01]
// CHECK:STDOUT: %bound_method.loc14_32.4: <bound method> = bound_method %.loc14_32.2, %specific_fn.loc14_32.2 [concrete = constants.%bound_method.a48]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc14: init %i16 = call %bound_method.loc14_32.4(%.loc14_32.2) [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc14_32.4: ref %i16 = temporary %.loc14_32.3, %Int.as.Copy.impl.Op.call.loc14
// CHECK:STDOUT: %addr.loc14: %ptr.251 = addr_of %.loc14_32.4
@@ -311,10 +309,10 @@ fn MyF() {
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnReturn.ref: %ThunkOnReturn.cpp_overload_set.type = name_ref ThunkOnReturn, imports.%ThunkOnReturn.cpp_overload_set.value [concrete = constants.%ThunkOnReturn.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc15: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc15: %.dbf = impl_witness_access constants.%ImplicitAs.impl_witness.57f, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.6f0]
// CHECK:STDOUT: %bound_method.loc15_35.1: <bound method> = bound_method %int_1.loc15, %impl.elem0.loc15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.3d4]
// CHECK:STDOUT: %specific_fn.loc15: <specific function> = specific_function %impl.elem0.loc15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.d59]
// CHECK:STDOUT: %bound_method.loc15_35.2: <bound method> = bound_method %int_1.loc15, %specific_fn.loc15 [concrete = constants.%bound_method.d3a]
// CHECK:STDOUT: %impl.elem0.loc15: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc15_35.1: <bound method> = bound_method %int_1.loc15, %impl.elem0.loc15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc15: <specific function> = specific_function %impl.elem0.loc15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.709]
// CHECK:STDOUT: %bound_method.loc15_35.2: <bound method> = bound_method %int_1.loc15, %specific_fn.loc15 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15: init %i32 = call %bound_method.loc15_35.2(%int_1.loc15) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc15_35.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc15_35.2: %i32 = converted %int_1.loc15, %.loc15_35.1 [concrete = constants.%int_1.5d2]
@@ -335,18 +333,18 @@ fn MyF() {
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnBoth.ref: %ThunkOnBoth.cpp_overload_set.type = name_ref ThunkOnBoth, imports.%ThunkOnBoth.cpp_overload_set.value [concrete = constants.%ThunkOnBoth.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc16: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc16_33.1: %.ded = impl_witness_access constants.%ImplicitAs.impl_witness.cdd, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.01b]
// CHECK:STDOUT: %bound_method.loc16_33.1: <bound method> = bound_method %int_1.loc16, %impl.elem0.loc16_33.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.648]
// CHECK:STDOUT: %specific_fn.loc16_33.1: <specific function> = specific_function %impl.elem0.loc16_33.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.ec9]
// CHECK:STDOUT: %bound_method.loc16_33.2: <bound method> = bound_method %int_1.loc16, %specific_fn.loc16_33.1 [concrete = constants.%bound_method.0c5]
// CHECK:STDOUT: %impl.elem0.loc16_33.1: %.bbf = impl_witness_access constants.%ImplicitAs.impl_witness.882, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.8d9]
// CHECK:STDOUT: %bound_method.loc16_33.1: <bound method> = bound_method %int_1.loc16, %impl.elem0.loc16_33.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.7e8]
// CHECK:STDOUT: %specific_fn.loc16_33.1: <specific function> = specific_function %impl.elem0.loc16_33.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.a76]
// CHECK:STDOUT: %bound_method.loc16_33.2: <bound method> = bound_method %int_1.loc16, %specific_fn.loc16_33.1 [concrete = constants.%bound_method.576]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16: init %i16 = call %bound_method.loc16_33.2(%int_1.loc16) [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc16_33.1: %i16 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16 [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc16_33.2: %i16 = converted %int_1.loc16, %.loc16_33.1 [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc16_33.3: ref %i16 = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc16_33.2: %.c91 = impl_witness_access constants.%Copy.impl_witness.afd, element0 [concrete = constants.%Int.as.Copy.impl.Op.bbc]
// CHECK:STDOUT: %impl.elem0.loc16_33.2: %.03d = impl_witness_access constants.%Copy.impl_witness.e99, element0 [concrete = constants.%Int.as.Copy.impl.Op.0da]
// CHECK:STDOUT: %bound_method.loc16_33.3: <bound method> = bound_method %.loc16_33.2, %impl.elem0.loc16_33.2 [concrete = constants.%Int.as.Copy.impl.Op.bound]
// CHECK:STDOUT: %specific_fn.loc16_33.2: <specific function> = specific_function %impl.elem0.loc16_33.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc16_33.4: <bound method> = bound_method %.loc16_33.2, %specific_fn.loc16_33.2 [concrete = constants.%bound_method.c01]
// CHECK:STDOUT: %bound_method.loc16_33.4: <bound method> = bound_method %.loc16_33.2, %specific_fn.loc16_33.2 [concrete = constants.%bound_method.a48]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc16: init %i16 = call %bound_method.loc16_33.4(%.loc16_33.2) [concrete = constants.%int_1.f90]
// CHECK:STDOUT: %.loc16_33.4: ref %i16 = temporary %.loc16_33.3, %Int.as.Copy.impl.Op.call.loc16
// CHECK:STDOUT: %addr.loc16_34.1: %ptr.251 = addr_of %.loc16_33.4
@@ -361,14 +359,12 @@ fn MyF() {
// CHECK:STDOUT: %.loc16_34.3: %i16 = value_of_initializer %.loc16_34.2
// CHECK:STDOUT: %.loc16_34.4: %i16 = converted %.loc16_34.2, %.loc16_34.3
// CHECK:STDOUT: %r4: %i16 = value_binding r4, %.loc16_34.4
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc16: <bound method> = bound_method %.loc16_33.4, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.81a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc16_33.5: <bound method> = bound_method %.loc16_33.4, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc16: init %empty_tuple.type = call %bound_method.loc16_33.5(%.loc16_33.4)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc14: <bound method> = bound_method %.loc14_32.4, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.81a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc14_32.5: <bound method> = bound_method %.loc14_32.4, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc14: init %empty_tuple.type = call %bound_method.loc14_32.5(%.loc14_32.4)
// CHECK:STDOUT: %DestroyOp.bound.loc16: <bound method> = bound_method %.loc16_33.4, constants.%DestroyOp
// CHECK:STDOUT: %DestroyOp.call.loc16: init %empty_tuple.type = call %DestroyOp.bound.loc16(%.loc16_33.4)
// CHECK:STDOUT: %DestroyOp.bound.loc14: <bound method> = bound_method %.loc14_32.4, constants.%DestroyOp
// CHECK:STDOUT: %DestroyOp.call.loc14: init %empty_tuple.type = call %DestroyOp.bound.loc14(%.loc14_32.4)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @DestroyOp(%self.param: %i16) = "no_op";
// CHECK:STDOUT: