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carbon-lang/toolchain/check/testdata/const/import.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/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/const/import.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/const/import.carbon
// --- implicit.carbon
library "[[@TEST_NAME]]";
class C {}
fn F() -> const C;
var a_ref: const C = F();
var a_ptr_ref: const C* = &a_ref;
// --- implicit.impl.carbon
impl library "[[@TEST_NAME]]";
// Take a reference to avoid unsupported copy logic. This still validates the
// `const` is handled.
//@dump-sem-ir-begin
var a: const C* = &a_ref;
var a_ptr: const C* = a_ptr_ref;
//@dump-sem-ir-end
// CHECK:STDOUT: --- implicit.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Copy.Op.type: type = fn_type @Copy.Op [concrete]
// CHECK:STDOUT: %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.222: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.8b3) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.3ef: %ptr.as.Copy.impl.Op.type.222 = struct_value () [symbolic]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %const.668: type = const_type %C [concrete]
// CHECK:STDOUT: %ptr.801: type = ptr_type %const.668 [concrete]
// CHECK:STDOUT: %pattern_type.c0d: type = pattern_type %ptr.801 [concrete]
// CHECK:STDOUT: %pattern_type.6af: type = pattern_type %const.668 [concrete]
// CHECK:STDOUT: %addr: %ptr.801 = addr_of imports.%a_ref.var [concrete]
// CHECK:STDOUT: %Copy.impl_witness.fc3: <witness> = impl_witness imports.%Copy.impl_witness_table.573, @ptr.as.Copy.impl(%const.668) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.906: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%const.668) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.ae9: %ptr.as.Copy.impl.Op.type.906 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %ptr.801, (%Copy.impl_witness.fc3) [concrete]
// CHECK:STDOUT: %.26e: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.bound: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.ae9 [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.ae9, @ptr.as.Copy.impl.Op(%const.668) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//implicit, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.a_ref: ref %const.668 = import_ref Main//implicit, a_ref, loaded [concrete = %a_ref.var]
// CHECK:STDOUT: %Main.a_ptr_ref: ref %ptr.801 = import_ref Main//implicit, a_ptr_ref, loaded [concrete = %a_ptr_ref.var]
// CHECK:STDOUT: %Main.import_ref.790: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.222) = import_ref Main//implicit, inst{{\d+}} [indirect], loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.3ef)]
// CHECK:STDOUT: %Copy.impl_witness_table.573 = impl_witness_table (%Main.import_ref.790), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: %a_ref.patt: %pattern_type.6af = binding_pattern a_ref [concrete]
// CHECK:STDOUT: %a_ref.var_patt: %pattern_type.6af = var_pattern %a_ref.patt [concrete]
// CHECK:STDOUT: %a_ref.var: ref %const.668 = var %a_ref.var_patt [concrete]
// CHECK:STDOUT: %a_ptr_ref.patt: %pattern_type.c0d = binding_pattern a_ptr_ref [concrete]
// CHECK:STDOUT: %a_ptr_ref.var_patt: %pattern_type.c0d = var_pattern %a_ptr_ref.patt [concrete]
// CHECK:STDOUT: %a_ptr_ref.var: ref %ptr.801 = var %a_ptr_ref.var_patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.c0d = binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.c0d = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %ptr.801 = var %a.var_patt [concrete]
// CHECK:STDOUT: %.loc6: type = splice_block %ptr.loc6 [concrete = constants.%ptr.801] {
// CHECK:STDOUT: %C.ref.loc6: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %const.loc6: type = const_type %C.ref.loc6 [concrete = constants.%const.668]
// CHECK:STDOUT: %ptr.loc6: type = ptr_type %const.loc6 [concrete = constants.%ptr.801]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %ptr.801 = bind_name a, %a.var [concrete = %a.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a_ptr.patt: %pattern_type.c0d = binding_pattern a_ptr [concrete]
// CHECK:STDOUT: %a_ptr.var_patt: %pattern_type.c0d = var_pattern %a_ptr.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_ptr.var: ref %ptr.801 = var %a_ptr.var_patt [concrete]
// CHECK:STDOUT: %.loc7: type = splice_block %ptr.loc7 [concrete = constants.%ptr.801] {
// CHECK:STDOUT: %C.ref.loc7: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %const.loc7: type = const_type %C.ref.loc7 [concrete = constants.%const.668]
// CHECK:STDOUT: %ptr.loc7: type = ptr_type %const.loc7 [concrete = constants.%ptr.801]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_ptr: ref %ptr.801 = bind_name a_ptr, %a_ptr.var [concrete = %a_ptr.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a_ref.ref: ref %const.668 = name_ref a_ref, imports.%Main.a_ref [concrete = imports.%a_ref.var]
// CHECK:STDOUT: %addr: %ptr.801 = addr_of %a_ref.ref [concrete = constants.%addr]
// CHECK:STDOUT: %impl.elem0.loc6: %.26e = impl_witness_access constants.%Copy.impl_witness.fc3, element0 [concrete = constants.%ptr.as.Copy.impl.Op.ae9]
// CHECK:STDOUT: %bound_method.loc6_19.1: <bound method> = bound_method %addr, %impl.elem0.loc6 [concrete = constants.%ptr.as.Copy.impl.Op.bound]
// CHECK:STDOUT: %specific_fn.loc6: <specific function> = specific_function %impl.elem0.loc6, @ptr.as.Copy.impl.Op(constants.%const.668) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc6_19.2: <bound method> = bound_method %addr, %specific_fn.loc6 [concrete = constants.%bound_method]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call.loc6: init %ptr.801 = call %bound_method.loc6_19.2(%addr) [concrete = constants.%addr]
// CHECK:STDOUT: assign file.%a.var, %ptr.as.Copy.impl.Op.call.loc6
// CHECK:STDOUT: %a_ptr_ref.ref: ref %ptr.801 = name_ref a_ptr_ref, imports.%Main.a_ptr_ref [concrete = imports.%a_ptr_ref.var]
// CHECK:STDOUT: %.loc7: %ptr.801 = bind_value %a_ptr_ref.ref
// CHECK:STDOUT: %impl.elem0.loc7: %.26e = impl_witness_access constants.%Copy.impl_witness.fc3, element0 [concrete = constants.%ptr.as.Copy.impl.Op.ae9]
// CHECK:STDOUT: %bound_method.loc7_23.1: <bound method> = bound_method %.loc7, %impl.elem0.loc7
// CHECK:STDOUT: %specific_fn.loc7: <specific function> = specific_function %impl.elem0.loc7, @ptr.as.Copy.impl.Op(constants.%const.668) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_23.2: <bound method> = bound_method %.loc7, %specific_fn.loc7
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call.loc7: init %ptr.801 = call %bound_method.loc7_23.2(%.loc7)
// CHECK:STDOUT: assign file.%a_ptr.var, %ptr.as.Copy.impl.Op.call.loc7
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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