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4416f3525b9b6abf8cc465bc8b866f1baaa6cd82
carbon-lang/toolchain/check/testdata/function/generic/resolve_used.carbon
T
Dana Jansens 4416f3525b Canonicalize generated functions for Core witnesses (#7729) 
Use a single `SemIR::Function` per `Core` interface method, whether it's
generated locally or imported. This prevents generating duplicate
functions, which lead to different types when the witness appears in a
`FacetValue` as part of a specific for a class.

We use a `CanonicalValueStore` of `GeneratedFunction` objects that allow
finding an existing FunctionId for a `Generated` special function before
(re-)generating it. Mangling for `Generated` functions is also moved to
use the values from the `GeneratedFunction`'s canonicalization key, so
that we have a consistent source of truth for the unique ID of a
`Generated` function across all files.

New tests are in
`toolchain/check/testdata/impl/custom_witness/destroy.carbon`.
2026-09-15 16:02:13 +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/function/generic/resolve_used.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/resolve_used.carbon
// --- fail_todo_call_monomorphization_error.carbon
library "[[@TEST_NAME]]";
fn ErrorIfNIsZero(generic N: Core.IntLiteral) {
// Check that we resolve the definition of a used specific function by
// ensuring we produce an error when doing so. Notionally this error is
// produced as a result of instantiating the `Core.Int` template, although
// that's not how we currently model `Core.Int`.
var unused v: Core.Int(N);
}
fn CallNegative() {
// CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE+10]]:3: error: unable to monomorphize specific `ErrorIfNIsZero(0)` [ResolvingSpecificHere]
// CHECK:STDERR: ErrorIfNIsZero(0);
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE-7]]:17: note: `Core.Int(N)` evaluates to incomplete type `i0` [IncompleteTypeInMonomorphization]
// CHECK:STDERR: var unused v: Core.Int(N);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: min_prelude/parts/int.carbon:11:9: note: integer type width of 0 is not positive [IntWidthNotPositive]
// CHECK:STDERR: adapt MakeInt(N);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
ErrorIfNIsZero(0);
}
// CHECK:STDOUT: --- fail_todo_call_monomorphization_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.dc0: type = pattern_type Core.IntLiteral [concrete]
// CHECK:STDOUT: %N.patt: %pattern_type.dc0 = symbolic_binding_pattern N, 0 [symbolic]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %ErrorIfNIsZero.type: type = fn_type @ErrorIfNIsZero [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %ErrorIfNIsZero: %ErrorIfNIsZero.type = struct_value () [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %Int: type = class_type @Int, @Int(%N) [symbolic]
// CHECK:STDOUT: %require_complete.4df: <witness> = require_complete_type %Int [symbolic]
// CHECK:STDOUT: %pattern_type.142: type = pattern_type %Int [symbolic]
// CHECK:STDOUT: %v.patt.834: %pattern_type.142 = ref_binding_pattern v [symbolic]
// CHECK:STDOUT: %v.var_patt.cd4: %pattern_type.142 = var_pattern %v.patt.834 [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.150: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.53a: %T.as.DefaultOrUnformed.impl.Op.type.150 = struct_value () [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.lookup_impl_witness: <witness> = lookup_impl_witness %Int, @DefaultOrUnformed [symbolic]
// CHECK:STDOUT: %.386: require_specific_def_type = require_specific_def @T.as.DefaultOrUnformed.impl(%Int) [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.facet.e73: %DefaultOrUnformed.type = facet_value %Int, (%DefaultOrUnformed.lookup_impl_witness) [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.WithSelf.Op.type.4ac: type = fn_type @DefaultOrUnformed.WithSelf.Op, @DefaultOrUnformed.WithSelf(%DefaultOrUnformed.facet.e73) [symbolic]
// CHECK:STDOUT: %.b74: type = fn_type_with_self_type %DefaultOrUnformed.WithSelf.Op.type.4ac, %DefaultOrUnformed.facet.e73 [symbolic]
// CHECK:STDOUT: %impl.elem0.b17: %.b74 = impl_witness_access %DefaultOrUnformed.lookup_impl_witness, element0 [symbolic]
// CHECK:STDOUT: %specific_impl_fn.cf5: <specific function> = specific_impl_function %impl.elem0.b17, @DefaultOrUnformed.WithSelf.Op(%DefaultOrUnformed.facet.e73) [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.lookup_impl_witness.173: <witness> = lookup_impl_witness %Int, @Destroy [symbolic]
// CHECK:STDOUT: %Destroy.facet.7bb: %Destroy.type = facet_value %Int, (%Destroy.lookup_impl_witness.173) [symbolic]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.8f1: type = fn_type @Destroy.WithSelf.Op.1, @Destroy.WithSelf(%Destroy.facet.7bb) [symbolic]
// CHECK:STDOUT: %.2c6: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.8f1, %Destroy.facet.7bb [symbolic]
// CHECK:STDOUT: %impl.elem0.604: %.2c6 = impl_witness_access %Destroy.lookup_impl_witness.173, element0 [symbolic]
// CHECK:STDOUT: %specific_impl_fn.693: <specific function> = specific_impl_function %impl.elem0.604, @Destroy.WithSelf.Op.1(%Destroy.facet.7bb) [symbolic]
// CHECK:STDOUT: %CallNegative.type: type = fn_type @CallNegative [concrete]
// CHECK:STDOUT: %CallNegative: %CallNegative.type = struct_value () [concrete]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ErrorIfNIsZero.specific_fn: <specific function> = specific_function %ErrorIfNIsZero, @ErrorIfNIsZero(%int_0) [concrete]
// CHECK:STDOUT: %i0: type = class_type @Int, @Int(%int_0) [concrete]
// CHECK:STDOUT: %pattern_type.d0e: type = pattern_type %i0 [concrete]
// CHECK:STDOUT: %v.patt.53c: %pattern_type.d0e = ref_binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt.0d0: %pattern_type.d0e = var_pattern %v.patt.53c [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.0a7: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.856, @T.as.DefaultOrUnformed.impl(%i0) [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.baf: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%i0) [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.38a: %T.as.DefaultOrUnformed.impl.Op.type.baf = struct_value () [concrete]
// CHECK:STDOUT: %.060: require_specific_def_type = require_specific_def @T.as.DefaultOrUnformed.impl(%i0) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet.6c8: %DefaultOrUnformed.type = facet_value %i0, (%DefaultOrUnformed.impl_witness.0a7) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.WithSelf.Op.type.2b9: type = fn_type @DefaultOrUnformed.WithSelf.Op, @DefaultOrUnformed.WithSelf(%DefaultOrUnformed.facet.6c8) [concrete]
// CHECK:STDOUT: %.b06: type = fn_type_with_self_type %DefaultOrUnformed.WithSelf.Op.type.2b9, %DefaultOrUnformed.facet.6c8 [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.specific_fn: <specific function> = specific_function %T.as.DefaultOrUnformed.impl.Op.38a, @T.as.DefaultOrUnformed.impl.Op(%i0) [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef0: type = fn_type @Destroy.WithSelf.Op.loc9 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403: %Destroy.WithSelf.Op.type.ef0 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.6c4: <witness> = custom_witness (%Destroy.WithSelf.Op.403), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.7b8: %Destroy.type = facet_value %i0, (%custom_witness.6c4) [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.fbf: type = fn_type @Destroy.WithSelf.Op.1, @Destroy.WithSelf(%Destroy.facet.7b8) [concrete]
// CHECK:STDOUT: %.c2e: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.fbf, %Destroy.facet.7b8 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .IntLiteral = %Core.IntLiteral
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .DefaultOrUnformed = %Core.DefaultOrUnformed
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.IntLiteral: type = import_ref Core//prelude/parts/int_literal, IntLiteral, loaded [concrete = Core.IntLiteral]
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.DefaultOrUnformed: type = import_ref Core//prelude/parts/default, DefaultOrUnformed, loaded [concrete = constants.%DefaultOrUnformed.type]
// CHECK:STDOUT: %Core.import_ref.cc8: @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op.type (%T.as.DefaultOrUnformed.impl.Op.type.150) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op (constants.%T.as.DefaultOrUnformed.impl.Op.53a)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.856 = impl_witness_table (%Core.import_ref.cc8), @T.as.DefaultOrUnformed.impl [concrete]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .ErrorIfNIsZero = %ErrorIfNIsZero.decl
// CHECK:STDOUT: .CallNegative = %CallNegative.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %ErrorIfNIsZero.decl: %ErrorIfNIsZero.type = fn_decl @ErrorIfNIsZero [concrete = constants.%ErrorIfNIsZero] {
// CHECK:STDOUT: %N.patt.loc4_28.1: %pattern_type.dc0 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_28.2 (constants.%N.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc4: type = splice_block %IntLiteral.ref [concrete = Core.IntLiteral] {
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %Core.ref.loc4: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %IntLiteral.ref: type = name_ref IntLiteral, imports.%Core.IntLiteral [concrete = Core.IntLiteral]
// CHECK:STDOUT: }
// CHECK:STDOUT: %N.loc4_28.2: Core.IntLiteral = symbolic_binding N, 0 [symbolic = %N.loc4_28.1 (constants.%N)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallNegative.decl: %CallNegative.type = fn_decl @CallNegative [concrete = constants.%CallNegative] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @ErrorIfNIsZero(%N.loc4_28.2: Core.IntLiteral) {
// CHECK:STDOUT: %N.patt.loc4_28.2: %pattern_type.dc0 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_28.2 (constants.%N.patt)]
// CHECK:STDOUT: %N.loc4_28.1: Core.IntLiteral = symbolic_binding N, 0 [symbolic = %N.loc4_28.1 (constants.%N)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Int.loc9_27.2: type = class_type @Int, @Int(%N.loc4_28.1) [symbolic = %Int.loc9_27.2 (constants.%Int)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %Int.loc9_27.2 [symbolic = %require_complete (constants.%require_complete.4df)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Int.loc9_27.2 [symbolic = %pattern_type (constants.%pattern_type.142)]
// CHECK:STDOUT: %v.patt.loc9_15.2: @ErrorIfNIsZero.%pattern_type (%pattern_type.142) = ref_binding_pattern v [symbolic = %v.patt.loc9_15.2 (constants.%v.patt.834)]
// CHECK:STDOUT: %v.var_patt.loc9_3.2: @ErrorIfNIsZero.%pattern_type (%pattern_type.142) = var_pattern %v.patt.loc9_15.2 [symbolic = %v.var_patt.loc9_3.2 (constants.%v.var_patt.cd4)]
// CHECK:STDOUT: %.loc9_28.3: require_specific_def_type = require_specific_def @T.as.DefaultOrUnformed.impl(%Int.loc9_27.2) [symbolic = %.loc9_28.3 (constants.%.386)]
// CHECK:STDOUT: %DefaultOrUnformed.lookup_impl_witness: <witness> = lookup_impl_witness %Int.loc9_27.2, @DefaultOrUnformed [symbolic = %DefaultOrUnformed.lookup_impl_witness (constants.%DefaultOrUnformed.lookup_impl_witness)]
// CHECK:STDOUT: %DefaultOrUnformed.facet.loc9_28.2: %DefaultOrUnformed.type = facet_value %Int.loc9_27.2, (%DefaultOrUnformed.lookup_impl_witness) [symbolic = %DefaultOrUnformed.facet.loc9_28.2 (constants.%DefaultOrUnformed.facet.e73)]
// CHECK:STDOUT: %DefaultOrUnformed.WithSelf.Op.type: type = fn_type @DefaultOrUnformed.WithSelf.Op, @DefaultOrUnformed.WithSelf(%DefaultOrUnformed.facet.loc9_28.2) [symbolic = %DefaultOrUnformed.WithSelf.Op.type (constants.%DefaultOrUnformed.WithSelf.Op.type.4ac)]
// CHECK:STDOUT: %.loc9_28.4: type = fn_type_with_self_type %DefaultOrUnformed.WithSelf.Op.type, %DefaultOrUnformed.facet.loc9_28.2 [symbolic = %.loc9_28.4 (constants.%.b74)]
// CHECK:STDOUT: %impl.elem0.loc9_28.2: @ErrorIfNIsZero.%.loc9_28.4 (%.b74) = impl_witness_access %DefaultOrUnformed.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc9_28.2 (constants.%impl.elem0.b17)]
// CHECK:STDOUT: %specific_impl_fn.loc9_28.2: <specific function> = specific_impl_function %impl.elem0.loc9_28.2, @DefaultOrUnformed.WithSelf.Op(%DefaultOrUnformed.facet.loc9_28.2) [symbolic = %specific_impl_fn.loc9_28.2 (constants.%specific_impl_fn.cf5)]
// CHECK:STDOUT: %Destroy.lookup_impl_witness: <witness> = lookup_impl_witness %Int.loc9_27.2, @Destroy [symbolic = %Destroy.lookup_impl_witness (constants.%Destroy.lookup_impl_witness.173)]
// CHECK:STDOUT: %Destroy.facet.loc9_3.3: %Destroy.type = facet_value %Int.loc9_27.2, (%Destroy.lookup_impl_witness) [symbolic = %Destroy.facet.loc9_3.3 (constants.%Destroy.facet.7bb)]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type: type = fn_type @Destroy.WithSelf.Op.1, @Destroy.WithSelf(%Destroy.facet.loc9_3.3) [symbolic = %Destroy.WithSelf.Op.type (constants.%Destroy.WithSelf.Op.type.8f1)]
// CHECK:STDOUT: %.loc9_3.3: type = fn_type_with_self_type %Destroy.WithSelf.Op.type, %Destroy.facet.loc9_3.3 [symbolic = %.loc9_3.3 (constants.%.2c6)]
// CHECK:STDOUT: %impl.elem0.loc9_3.2: @ErrorIfNIsZero.%.loc9_3.3 (%.2c6) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc9_3.2 (constants.%impl.elem0.604)]
// CHECK:STDOUT: %specific_impl_fn.loc9_3.2: <specific function> = specific_impl_function %impl.elem0.loc9_3.2, @Destroy.WithSelf.Op.1(%Destroy.facet.loc9_3.3) [symbolic = %specific_impl_fn.loc9_3.2 (constants.%specific_impl_fn.693)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %v.var: ref @ErrorIfNIsZero.%Int.loc9_27.2 (%Int) = var_storage %v.var_patt.loc9_3.1
// CHECK:STDOUT: %DefaultOrUnformed.facet.loc9_28.1: %DefaultOrUnformed.type = facet_value constants.%Int, (constants.%DefaultOrUnformed.lookup_impl_witness) [symbolic = %DefaultOrUnformed.facet.loc9_28.2 (constants.%DefaultOrUnformed.facet.e73)]
// CHECK:STDOUT: %.loc9_28.1: %DefaultOrUnformed.type = converted constants.%Int, %DefaultOrUnformed.facet.loc9_28.1 [symbolic = %DefaultOrUnformed.facet.loc9_28.2 (constants.%DefaultOrUnformed.facet.e73)]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc9_28.1 [symbolic = %Int.loc9_27.2 (constants.%Int)]
// CHECK:STDOUT: %.loc9_28.2: type = converted %.loc9_28.1, %as_type [symbolic = %Int.loc9_27.2 (constants.%Int)]
// CHECK:STDOUT: %impl.elem0.loc9_28.1: @ErrorIfNIsZero.%.loc9_28.4 (%.b74) = impl_witness_access constants.%DefaultOrUnformed.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc9_28.2 (constants.%impl.elem0.b17)]
// CHECK:STDOUT: %specific_impl_fn.loc9_28.1: <specific function> = specific_impl_function %impl.elem0.loc9_28.1, @DefaultOrUnformed.WithSelf.Op(constants.%DefaultOrUnformed.facet.e73) [symbolic = %specific_impl_fn.loc9_28.2 (constants.%specific_impl_fn.cf5)]
// CHECK:STDOUT: %DefaultOrUnformed.WithSelf.Op.call: init @ErrorIfNIsZero.%Int.loc9_27.2 (%Int) = call %specific_impl_fn.loc9_28.1()
// CHECK:STDOUT: assign %v.var, %DefaultOrUnformed.WithSelf.Op.call
// CHECK:STDOUT: %.loc9_27: type = splice_block %Int.loc9_27.1 [symbolic = %Int.loc9_27.2 (constants.%Int)] {
// CHECK:STDOUT: %Core.ref.loc9: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %Int.ref: %Int.type = name_ref Int, imports.%Core.Int [concrete = constants.%Int.generic]
// CHECK:STDOUT: %N.ref: Core.IntLiteral = name_ref N, %N.loc4_28.2 [symbolic = %N.loc4_28.1 (constants.%N)]
// CHECK:STDOUT: %Int.loc9_27.1: type = class_type @Int, @Int(constants.%N) [symbolic = %Int.loc9_27.2 (constants.%Int)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref @ErrorIfNIsZero.%Int.loc9_27.2 (%Int) = wrapper_binding v, %v.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt.loc9_15.1: @ErrorIfNIsZero.%pattern_type (%pattern_type.142) = ref_binding_pattern v [symbolic = %v.patt.loc9_15.2 (constants.%v.patt.834)]
// CHECK:STDOUT: %v.var_patt.loc9_3.1: @ErrorIfNIsZero.%pattern_type (%pattern_type.142) = var_pattern %v.patt.loc9_15.1 [symbolic = %v.var_patt.loc9_3.2 (constants.%v.var_patt.cd4)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %impl.elem0.loc9_3.1: @ErrorIfNIsZero.%.loc9_3.3 (%.2c6) = impl_witness_access constants.%Destroy.lookup_impl_witness.173, element0 [symbolic = %impl.elem0.loc9_3.2 (constants.%impl.elem0.604)]
// CHECK:STDOUT: %bound_method.loc9_3.1: <bound method> = bound_method %v.var, %impl.elem0.loc9_3.1
// CHECK:STDOUT: %Destroy.facet.loc9_3.1: %Destroy.type = facet_value constants.%Int, (constants.%Destroy.lookup_impl_witness.173) [symbolic = %Destroy.facet.loc9_3.3 (constants.%Destroy.facet.7bb)]
// CHECK:STDOUT: %.loc9_3.1: %Destroy.type = converted constants.%Int, %Destroy.facet.loc9_3.1 [symbolic = %Destroy.facet.loc9_3.3 (constants.%Destroy.facet.7bb)]
// CHECK:STDOUT: %Destroy.facet.loc9_3.2: %Destroy.type = facet_value constants.%Int, (constants.%Destroy.lookup_impl_witness.173) [symbolic = %Destroy.facet.loc9_3.3 (constants.%Destroy.facet.7bb)]
// CHECK:STDOUT: %.loc9_3.2: %Destroy.type = converted constants.%Int, %Destroy.facet.loc9_3.2 [symbolic = %Destroy.facet.loc9_3.3 (constants.%Destroy.facet.7bb)]
// CHECK:STDOUT: %specific_impl_fn.loc9_3.1: <specific function> = specific_impl_function %impl.elem0.loc9_3.1, @Destroy.WithSelf.Op.1(constants.%Destroy.facet.7bb) [symbolic = %specific_impl_fn.loc9_3.2 (constants.%specific_impl_fn.693)]
// CHECK:STDOUT: %bound_method.loc9_3.2: <bound method> = bound_method %v.var, %specific_impl_fn.loc9_3.1
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call %bound_method.loc9_3.2(%v.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallNegative() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %ErrorIfNIsZero.ref: %ErrorIfNIsZero.type = name_ref ErrorIfNIsZero, file.%ErrorIfNIsZero.decl [concrete = constants.%ErrorIfNIsZero]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %ErrorIfNIsZero.specific_fn: <specific function> = specific_function %ErrorIfNIsZero.ref, @ErrorIfNIsZero(constants.%int_0) [concrete = constants.%ErrorIfNIsZero.specific_fn]
// CHECK:STDOUT: %ErrorIfNIsZero.call: init %empty_tuple.type = call %ErrorIfNIsZero.specific_fn()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc9(%self.param: ref %i0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%N) {
// CHECK:STDOUT: %N.patt.loc4_28.2 => constants.%N.patt
// CHECK:STDOUT: %N.loc4_28.1 => constants.%N
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%int_0) {
// CHECK:STDOUT: %N.patt.loc4_28.2 => constants.%N.patt
// CHECK:STDOUT: %N.loc4_28.1 => constants.%int_0
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Int.loc9_27.2 => constants.%i0
// CHECK:STDOUT: %require_complete => <error>
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.d0e
// CHECK:STDOUT: %v.patt.loc9_15.2 => constants.%v.patt.53c
// CHECK:STDOUT: %v.var_patt.loc9_3.2 => constants.%v.var_patt.0d0
// CHECK:STDOUT: %.loc9_28.3 => constants.%.060
// CHECK:STDOUT: %DefaultOrUnformed.lookup_impl_witness => constants.%DefaultOrUnformed.impl_witness.0a7
// CHECK:STDOUT: %DefaultOrUnformed.facet.loc9_28.2 => constants.%DefaultOrUnformed.facet.6c8
// CHECK:STDOUT: %DefaultOrUnformed.WithSelf.Op.type => constants.%DefaultOrUnformed.WithSelf.Op.type.2b9
// CHECK:STDOUT: %.loc9_28.4 => constants.%.b06
// CHECK:STDOUT: %impl.elem0.loc9_28.2 => constants.%T.as.DefaultOrUnformed.impl.Op.38a
// CHECK:STDOUT: %specific_impl_fn.loc9_28.2 => constants.%T.as.DefaultOrUnformed.impl.Op.specific_fn
// CHECK:STDOUT: %Destroy.lookup_impl_witness => constants.%custom_witness.6c4
// CHECK:STDOUT: %Destroy.facet.loc9_3.3 => constants.%Destroy.facet.7b8
// CHECK:STDOUT: %Destroy.WithSelf.Op.type => constants.%Destroy.WithSelf.Op.type.fbf
// CHECK:STDOUT: %.loc9_3.3 => constants.%.c2e
// CHECK:STDOUT: %impl.elem0.loc9_3.2 => constants.%Destroy.WithSelf.Op.403
// CHECK:STDOUT: %specific_impl_fn.loc9_3.2 => constants.%Destroy.WithSelf.Op.403
// CHECK:STDOUT: }
// CHECK:STDOUT:
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