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carbon-lang/toolchain/check/testdata/array/init_dependent_bound.carbon
T
Jon Ross-Perkins 7ccc1e0144 Expand naming for impls and functions (#5808) 
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`,
and *member* functions to `<parent scope>.<fn>` (non-member functions
exclude their parent scope). Stop special-casing builtin functions,
given the new naming scheme.

The purpose of this is to make it clearer when a member function is
being accessed and, if so, which member function. In particular, we
often access interface `Op` functions. The builtin function
special-casing was intended to help with that, but we still have lots of
`Op` functions. This particular approach should make the interactions
clearer.

This changes up queueing of block IDs a little because, in particular,
we need to process bodies of entities only after constants finish
processing. But, it should also result in less memory usage during
processing because it means we have less on the insts stack at any given
time, since we track a block rather than all instructions contained by
the block.
2025-07-21 18:45:07 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/array/init_dependent_bound.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/init_dependent_bound.carbon
// --- generic_empty.carbon
library "[[@TEST_NAME]]";
fn G(T:! type) {
// We can initialize this without knowing T.
//@dump-sem-ir-begin
var arr: array(T, 0) = ();
//@dump-sem-ir-end
}
class C {}
fn H() {
G(C);
}
// --- fail_init_dependent_bound.carbon
library "[[@TEST_NAME]]";
fn F(N:! i32) {
// CHECK:STDERR: fail_init_dependent_bound.carbon:[[@LINE+4]]:28: error: cannot initialize array with dependent bound from a list of initializers [ArrayInitDependentBound]
// CHECK:STDERR: var arr: array(i32, N) = (1, 2, 3);
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
var arr: array(i32, N) = (1, 2, 3);
}
// --- fail_todo_init_template_dependent_bound.carbon
library "[[@TEST_NAME]]";
// TODO: This should be valid.
fn G(template N:! i32) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_init_template_dependent_bound.carbon:[[@LINE+4]]:12: error: cannot evaluate type expression [TypeExprEvaluationFailure]
// CHECK:STDERR: var arr: array(i32, N) = (1, 2, 3);
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
var arr: array(i32, N) = (1, 2, 3);
//@dump-sem-ir-end
}
fn H() { G(3); }
// CHECK:STDOUT: --- generic_empty.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %array_type.281: type = array_type %int_0, %T [symbolic]
// CHECK:STDOUT: %ptr.e06: type = ptr_type %array_type.281 [symbolic]
// CHECK:STDOUT: %require_complete.b7f: <witness> = require_complete_type %array_type.281 [symbolic]
// CHECK:STDOUT: %pattern_type.d48: type = pattern_type %array_type.281 [symbolic]
// CHECK:STDOUT: %array.2ed: %array_type.281 = tuple_value () [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.bc9: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.46f: %T.as.Destroy.impl.Op.type.bc9 = struct_value () [symbolic]
// CHECK:STDOUT: %require_complete.662: <witness> = require_complete_type %ptr.e06 [symbolic]
// CHECK:STDOUT: %Destroy.lookup_impl_witness: <witness> = lookup_impl_witness %array_type.281, @Destroy [symbolic]
// CHECK:STDOUT: %Destroy.facet.cdc: %Destroy.type = facet_value %array_type.281, (%Destroy.lookup_impl_witness) [symbolic]
// CHECK:STDOUT: %.77e: type = fn_type_with_self_type %Destroy.Op.type, %Destroy.facet.cdc [symbolic]
// CHECK:STDOUT: %impl.elem0: %.77e = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic]
// CHECK:STDOUT: %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @Destroy.Op(%Destroy.facet.cdc) [symbolic]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %array_type.6f1: type = array_type %int_0, %C [concrete]
// CHECK:STDOUT: %ptr.cf4: type = ptr_type %array_type.6f1 [concrete]
// CHECK:STDOUT: %complete_type.ed6: <witness> = complete_type_witness %array_type.6f1 [concrete]
// CHECK:STDOUT: %pattern_type.9c8: type = pattern_type %array_type.6f1 [concrete]
// CHECK:STDOUT: %array.2e5: %array_type.6f1 = tuple_value () [concrete]
// CHECK:STDOUT: %Destroy.impl_witness.8b8: <witness> = impl_witness imports.%Destroy.impl_witness_table, @T.as.Destroy.impl(%array_type.6f1) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.a3e: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%array_type.6f1) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.dc5: %T.as.Destroy.impl.Op.type.a3e = struct_value () [concrete]
// CHECK:STDOUT: %complete_type.3e1: <witness> = complete_type_witness %ptr.cf4 [concrete]
// CHECK:STDOUT: %Destroy.facet.da7: %Destroy.type = facet_value %array_type.6f1, (%Destroy.impl_witness.8b8) [concrete]
// CHECK:STDOUT: %.a21: type = fn_type_with_self_type %Destroy.Op.type, %Destroy.facet.da7 [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %T.as.Destroy.impl.Op.dc5, @T.as.Destroy.impl.Op(%array_type.6f1) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.0b9: @T.as.Destroy.impl.%T.as.Destroy.impl.Op.type (%T.as.Destroy.impl.Op.type.bc9) = import_ref Core//prelude/parts/destroy, loc8_29, loaded [symbolic = @T.as.Destroy.impl.%T.as.Destroy.impl.Op (constants.%T.as.Destroy.impl.Op.46f)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.0b9), @T.as.Destroy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(%T.loc4_6.2: type) {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %array_type.loc7_22.2: type = array_type constants.%int_0, %T.loc4_6.1 [symbolic = %array_type.loc7_22.2 (constants.%array_type.281)]
// CHECK:STDOUT: %require_complete.loc7_22: <witness> = require_complete_type %array_type.loc7_22.2 [symbolic = %require_complete.loc7_22 (constants.%require_complete.b7f)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %array_type.loc7_22.2 [symbolic = %pattern_type (constants.%pattern_type.d48)]
// CHECK:STDOUT: %array: @G.%array_type.loc7_22.2 (%array_type.281) = tuple_value () [symbolic = %array (constants.%array.2ed)]
// CHECK:STDOUT: %Destroy.lookup_impl_witness: <witness> = lookup_impl_witness %array_type.loc7_22.2, @Destroy [symbolic = %Destroy.lookup_impl_witness (constants.%Destroy.lookup_impl_witness)]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %array_type.loc7_22.2, (%Destroy.lookup_impl_witness) [symbolic = %Destroy.facet (constants.%Destroy.facet.cdc)]
// CHECK:STDOUT: %.loc7_3.3: type = fn_type_with_self_type constants.%Destroy.Op.type, %Destroy.facet [symbolic = %.loc7_3.3 (constants.%.77e)]
// CHECK:STDOUT: %impl.elem0.loc7_3.2: @G.%.loc7_3.3 (%.77e) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc7_3.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %specific_impl_fn.loc7_3.2: <specific function> = specific_impl_function %impl.elem0.loc7_3.2, @Destroy.Op(%Destroy.facet) [symbolic = %specific_impl_fn.loc7_3.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %ptr: type = ptr_type %array_type.loc7_22.2 [symbolic = %ptr (constants.%ptr.e06)]
// CHECK:STDOUT: %require_complete.loc7_3: <witness> = require_complete_type %ptr [symbolic = %require_complete.loc7_3 (constants.%require_complete.662)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %arr.patt: @G.%pattern_type (%pattern_type.d48) = binding_pattern arr [concrete]
// CHECK:STDOUT: %arr.var_patt: @G.%pattern_type (%pattern_type.d48) = var_pattern %arr.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %arr.var: ref @G.%array_type.loc7_22.2 (%array_type.281) = var %arr.var_patt
// CHECK:STDOUT: %.loc7_27.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc7_27.2: init @G.%array_type.loc7_22.2 (%array_type.281) = array_init () to %arr.var [symbolic = %array (constants.%array.2ed)]
// CHECK:STDOUT: %.loc7_3.1: init @G.%array_type.loc7_22.2 (%array_type.281) = converted %.loc7_27.1, %.loc7_27.2 [symbolic = %array (constants.%array.2ed)]
// CHECK:STDOUT: assign %arr.var, %.loc7_3.1
// CHECK:STDOUT: %.loc7_22: type = splice_block %array_type.loc7_22.1 [symbolic = %array_type.loc7_22.2 (constants.%array_type.281)] {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_6.2 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %array_type.loc7_22.1: type = array_type %int_0, %T.ref [symbolic = %array_type.loc7_22.2 (constants.%array_type.281)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %arr: ref @G.%array_type.loc7_22.2 (%array_type.281) = bind_name arr, %arr.var
// CHECK:STDOUT: %impl.elem0.loc7_3.1: @G.%.loc7_3.3 (%.77e) = impl_witness_access constants.%Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc7_3.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %bound_method.loc7_3.1: <bound method> = bound_method %arr.var, %impl.elem0.loc7_3.1
// CHECK:STDOUT: %specific_impl_fn.loc7_3.1: <specific function> = specific_impl_function %impl.elem0.loc7_3.1, @Destroy.Op(constants.%Destroy.facet.cdc) [symbolic = %specific_impl_fn.loc7_3.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %bound_method.loc7_3.2: <bound method> = bound_method %arr.var, %specific_impl_fn.loc7_3.1
// CHECK:STDOUT: %addr: @G.%ptr (%ptr.e06) = addr_of %arr.var
// CHECK:STDOUT: %.loc7_3.2: init %empty_tuple.type = call %bound_method.loc7_3.2(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%T) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%C) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%C
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %array_type.loc7_22.2 => constants.%array_type.6f1
// CHECK:STDOUT: %require_complete.loc7_22 => constants.%complete_type.ed6
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.9c8
// CHECK:STDOUT: %array => constants.%array.2e5
// CHECK:STDOUT: %Destroy.lookup_impl_witness => constants.%Destroy.impl_witness.8b8
// CHECK:STDOUT: %Destroy.facet => constants.%Destroy.facet.da7
// CHECK:STDOUT: %.loc7_3.3 => constants.%.a21
// CHECK:STDOUT: %impl.elem0.loc7_3.2 => constants.%T.as.Destroy.impl.Op.dc5
// CHECK:STDOUT: %specific_impl_fn.loc7_3.2 => constants.%T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %ptr => constants.%ptr.cf4
// CHECK:STDOUT: %require_complete.loc7_3 => constants.%complete_type.3e1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_init_template_dependent_bound.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %N.51e: %i32 = bind_symbolic_name N, 0, template [template]
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.2fd: type = facet_type <@ImplicitAs, @ImplicitAs(Core.IntLiteral)> [concrete]
// CHECK:STDOUT: %From: Core.IntLiteral = bind_symbolic_name From, 0 [symbolic]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.type.708: type = fn_type @Int.as.ImplicitAs.impl.Convert, @Int.as.ImplicitAs.impl(%From) [symbolic]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.c68: %Int.as.ImplicitAs.impl.Convert.type.708 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.Convert.type.71e: type = fn_type @ImplicitAs.Convert, @ImplicitAs(Core.IntLiteral) [concrete]
// CHECK:STDOUT: %int_3.822: %i32 = int_value 3 [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a11: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.1d9, @Int.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.type.4ad: type = fn_type @Int.as.ImplicitAs.impl.Convert, @Int.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.960: %Int.as.ImplicitAs.impl.Convert.type.4ad = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.f49: %ImplicitAs.type.2fd = facet_value %i32, (%ImplicitAs.impl_witness.a11) [concrete]
// CHECK:STDOUT: %.0ea: type = fn_type_with_self_type %ImplicitAs.Convert.type.71e, %ImplicitAs.facet.f49 [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_3.822, %Int.as.ImplicitAs.impl.Convert.960 [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Int.as.ImplicitAs.impl.Convert.960, @Int.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.c6f: <bound method> = bound_method %int_3.822, %Int.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %inst.splice_block: <instruction> = inst_value [concrete] {
// CHECK:STDOUT: %.df7: Core.IntLiteral = splice_block %.dd0 [concrete = %int_3.1ba] {
// CHECK:STDOUT: %impl.elem0.c2d: %.0ea = impl_witness_access %ImplicitAs.impl_witness.a11, element0 [concrete = %Int.as.ImplicitAs.impl.Convert.960]
// CHECK:STDOUT: %bound_method.8d1: <bound method> = bound_method %int_3.822, %impl.elem0.c2d [concrete = %Int.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0.c2d, @Int.as.ImplicitAs.impl.Convert(%int_32) [concrete = %Int.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.9ef: <bound method> = bound_method %int_3.822, %specific_fn [concrete = %bound_method.c6f]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.call: init Core.IntLiteral = call %bound_method.9ef(%int_3.822) [concrete = %int_3.1ba]
// CHECK:STDOUT: %.5d1: Core.IntLiteral = value_of_initializer %Int.as.ImplicitAs.impl.Convert.call [concrete = %int_3.1ba]
// CHECK:STDOUT: %.dd0: Core.IntLiteral = converted %int_3.822, %.5d1 [concrete = %int_3.1ba]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.85c: @Int.as.ImplicitAs.impl.%Int.as.ImplicitAs.impl.Convert.type (%Int.as.ImplicitAs.impl.Convert.type.708) = import_ref Core//prelude/parts/int, loc20_44, loaded [symbolic = @Int.as.ImplicitAs.impl.%Int.as.ImplicitAs.impl.Convert (constants.%Int.as.ImplicitAs.impl.Convert.c68)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.1d9 = impl_witness_table (%Core.import_ref.85c), @Int.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(%N.loc5_15.2: %i32) {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %.loc11_23.2: <instruction> = convert_to_value_action %N.ref, Core.IntLiteral [template]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %arr.patt: <error> = binding_pattern arr [concrete]
// CHECK:STDOUT: %arr.var_patt: <error> = var_pattern %arr.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %arr.var: ref <error> = var %arr.var_patt [concrete = <error>]
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT: %.loc11_36: %tuple.type = tuple_literal (%int_1, %int_2, %int_3)
// CHECK:STDOUT: assign %arr.var, <error>
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %arr: <error> = bind_name arr, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%N.51e) {
// CHECK:STDOUT: %N.loc5_15.1 => constants.%N.51e
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%int_3.822) {
// CHECK:STDOUT: %N.loc5_15.1 => constants.%int_3.822
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %.loc11_23.2 => constants.%inst.splice_block
// CHECK:STDOUT: }
// CHECK:STDOUT:
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