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carbon-lang/toolchain/check/testdata/pointer/nested_const.carbon
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Jon Ross-Perkins 47081be67a Reduce test sensitivity to small import loc changes (#6145) 
Locations are similarly fragile, because adding a comment changes them.
This has made me pause when making prelude changes in #6144, so dropping
them for those cases.

Instruction ids aren't actually that interesting outside debugging, and
can be churny when doing other structural changes. I've seen this in
particular when doing singleton changes, which bump every instruction
id.

Note there are still other ways fragility from locations can crop up.
This shouldn't be considered a complete fix, but hopefully a small
improvement.
2025-09-30 17:20:14 +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/pointer/nested_const.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/nested_const.carbon
// TODO: The `const` in the return type should not be necessary.
fn F(p: const (const (const i32*)*)) -> const i32 {
return **p;
}
// CHECK:STDOUT: --- nested_const.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %const.20a: type = const_type %i32 [concrete]
// CHECK:STDOUT: %ptr.36b: type = ptr_type %const.20a [concrete]
// CHECK:STDOUT: %const.58f: type = const_type %ptr.36b [concrete]
// CHECK:STDOUT: %ptr.6e8: type = ptr_type %const.58f [concrete]
// CHECK:STDOUT: %const.fa2: type = const_type %ptr.6e8 [concrete]
// CHECK:STDOUT: %pattern_type.800: type = pattern_type %const.fa2 [concrete]
// CHECK:STDOUT: %pattern_type.a65: type = pattern_type %const.20a [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [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.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: %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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// 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: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %p.patt: %pattern_type.800 = binding_pattern p [concrete]
// CHECK:STDOUT: %p.param_patt: %pattern_type.800 = value_param_pattern %p.patt, call_param0 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.a65 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.a65 = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32.loc16_47: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_47: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %const.loc16_41: type = const_type %i32.loc16_47 [concrete = constants.%const.20a]
// CHECK:STDOUT: %p.param: %const.fa2 = value_param call_param0
// CHECK:STDOUT: %.loc16: type = splice_block %const.loc16_9 [concrete = constants.%const.fa2] {
// CHECK:STDOUT: %int_32.loc16_29: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_29: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %const.loc16_23: type = const_type %i32.loc16_29 [concrete = constants.%const.20a]
// CHECK:STDOUT: %ptr.loc16_32: type = ptr_type %const.loc16_23 [concrete = constants.%ptr.36b]
// CHECK:STDOUT: %const.loc16_16: type = const_type %ptr.loc16_32 [concrete = constants.%const.58f]
// CHECK:STDOUT: %ptr.loc16_34: type = ptr_type %const.loc16_16 [concrete = constants.%ptr.6e8]
// CHECK:STDOUT: %const.loc16_9: type = const_type %ptr.loc16_34 [concrete = constants.%const.fa2]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: %const.fa2 = bind_name p, %p.param
// CHECK:STDOUT: %return.param: ref %const.20a = out_param call_param1
// CHECK:STDOUT: %return: ref %const.20a = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%p.param: %const.fa2) -> %const.20a {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: %const.fa2 = name_ref p, %p
// CHECK:STDOUT: %.loc17_11.1: ref %const.58f = deref %p.ref
// CHECK:STDOUT: %.loc17_11.2: %const.58f = bind_value %.loc17_11.1
// CHECK:STDOUT: %.loc17_10.1: ref %const.20a = deref %.loc17_11.2
// 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: %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
// CHECK:STDOUT: %const.as.Copy.impl.Op.call: init %const.20a = call %bound_method.loc17_10.2(%.loc17_10.2)
// CHECK:STDOUT: return %const.as.Copy.impl.Op.call to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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