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carbon-lang/toolchain/check/testdata/function/call/prefer_unqualified_lookup.carbon
T
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/function/call/prefer_unqualified_lookup.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/call/prefer_unqualified_lookup.carbon
// --- prefer_unqualified_lookup.carbon
library "[[@TEST_NAME]]";
// F in the lexical scope.
class Class(F:! type) {
class Inner {
// F in a non-lexical scope.
fn F() -> i32 { return 0; }
fn G() -> i32;
}
}
fn Class(F:! type).Inner.G() -> i32 { return F(); }
// CHECK:STDOUT: --- prefer_unqualified_lookup.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %F: type = bind_symbolic_name F, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %Class.type: type = generic_class_type @Class [concrete]
// CHECK:STDOUT: %Class.generic: %Class.type = struct_value () [concrete]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%F) [symbolic]
// CHECK:STDOUT: %Inner: type = class_type @Inner, @Inner(%F) [symbolic]
// 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: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %Inner.F.type: type = fn_type @Inner.F, @Inner(%F) [symbolic]
// CHECK:STDOUT: %Inner.F: %Inner.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %Inner.G.type: type = fn_type @Inner.G, @Inner(%F) [symbolic]
// CHECK:STDOUT: %Inner.G: %Inner.G.type = struct_value () [symbolic]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.d14: 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 = bind_symbolic_name To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.204: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.9e9, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584: 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.0f0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.204) [concrete]
// CHECK:STDOUT: %.1df: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.6a9: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %Inner.F.specific_fn: <specific function> = specific_function %Inner.F, @Inner.F(%F) [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// 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.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.ee7: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340) = 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.1c0)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.9e9 = impl_witness_table (%Core.import_ref.ee7), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [concrete = constants.%Class.generic] {
// CHECK:STDOUT: %F.patt: %pattern_type.98f = symbolic_binding_pattern F, 0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %F.loc5_13.2: type = bind_symbolic_name F, 0 [symbolic = %F.loc5_13.1 (constants.%F)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Inner.G.decl: %Inner.G.type = fn_decl @Inner.G [symbolic = constants.%Inner.G] {
// CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %F.loc13_10: type = bind_symbolic_name F, 0 [symbolic = @Class.%F.loc5_13.1 (constants.%F)]
// CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %return.param.loc13: ref %i32 = out_param call_param0
// CHECK:STDOUT: %return.loc13: ref %i32 = return_slot %return.param.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(%F.loc5_13.2: type) {
// CHECK:STDOUT: %F.loc5_13.1: type = bind_symbolic_name F, 0 [symbolic = %F.loc5_13.1 (constants.%F)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Inner: type = class_type @Inner, @Inner(%F.loc5_13.1) [symbolic = %Inner (constants.%Inner)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %Inner.decl: type = class_decl @Inner [symbolic = @Class.%Inner (constants.%Inner)] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .Inner = %Inner.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Inner(@Class.%F.loc5_13.2: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %F: type = bind_symbolic_name F, 0 [symbolic = %F (constants.%F)]
// CHECK:STDOUT: %Inner.F.type: type = fn_type @Inner.F, @Inner(%F) [symbolic = %Inner.F.type (constants.%Inner.F.type)]
// CHECK:STDOUT: %Inner.F: @Inner.%Inner.F.type (%Inner.F.type) = struct_value () [symbolic = %Inner.F (constants.%Inner.F)]
// CHECK:STDOUT: %Inner.G.type: type = fn_type @Inner.G, @Inner(%F) [symbolic = %Inner.G.type (constants.%Inner.G.type)]
// CHECK:STDOUT: %Inner.G: @Inner.%Inner.G.type (%Inner.G.type) = struct_value () [symbolic = %Inner.G (constants.%Inner.G)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %Inner.F.decl: @Inner.%Inner.F.type (%Inner.F.type) = fn_decl @Inner.F [symbolic = @Inner.%Inner.F (constants.%Inner.F)] {
// CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %return.param: ref %i32 = out_param call_param0
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Inner.G.decl: @Inner.%Inner.G.type (%Inner.G.type) = fn_decl @Inner.G [symbolic = @Inner.%Inner.G (constants.%Inner.G)] {
// CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32.loc9: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc9: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %return.param.loc9: ref %i32 = out_param call_param0
// CHECK:STDOUT: %return.loc9: ref %i32 = return_slot %return.param.loc9
// CHECK:STDOUT: }
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Inner
// CHECK:STDOUT: .F = %Inner.F.decl
// CHECK:STDOUT: .G = %Inner.G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Inner.F(@Class.%F.loc5_13.2: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0: %.1df = impl_witness_access constants.%ImplicitAs.impl_witness.204, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0]
// CHECK:STDOUT: %bound_method.loc8_29.1: <bound method> = bound_method %int_0, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_29.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc8_29.2(%int_0) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc8: init %i32 = converted %int_0, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: return %.loc8 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Inner.G(@Class.%F.loc5_13.2: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %F.loc13_46: type = bind_symbolic_name F, 0 [symbolic = %F.loc13_46 (constants.%F)]
// CHECK:STDOUT: %Inner.F.type: type = fn_type @Inner.F, @Inner(%F.loc13_46) [symbolic = %Inner.F.type (constants.%Inner.F.type)]
// CHECK:STDOUT: %Inner.F: @Inner.G.%Inner.F.type (%Inner.F.type) = struct_value () [symbolic = %Inner.F (constants.%Inner.F)]
// CHECK:STDOUT: %Inner.F.specific_fn.loc13_46.2: <specific function> = specific_function %Inner.F, @Inner.F(%F.loc13_46) [symbolic = %Inner.F.specific_fn.loc13_46.2 (constants.%Inner.F.specific_fn)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc13: @Inner.G.%Inner.F.type (%Inner.F.type) = specific_constant @Inner.%Inner.F.decl, @Inner(constants.%F) [symbolic = %Inner.F (constants.%Inner.F)]
// CHECK:STDOUT: %F.ref: @Inner.G.%Inner.F.type (%Inner.F.type) = name_ref F, %.loc13 [symbolic = %Inner.F (constants.%Inner.F)]
// CHECK:STDOUT: %Inner.F.specific_fn.loc13_46.1: <specific function> = specific_function %F.ref, @Inner.F(constants.%F) [symbolic = %Inner.F.specific_fn.loc13_46.2 (constants.%Inner.F.specific_fn)]
// CHECK:STDOUT: %Inner.F.call: init %i32 = call %Inner.F.specific_fn.loc13_46.1()
// CHECK:STDOUT: return %Inner.F.call to %return.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%F) {
// CHECK:STDOUT: %F.loc5_13.1 => constants.%F
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Inner => constants.%Inner
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner(constants.%F) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %F => constants.%F
// CHECK:STDOUT: %Inner.F.type => constants.%Inner.F.type
// CHECK:STDOUT: %Inner.F => constants.%Inner.F
// CHECK:STDOUT: %Inner.G.type => constants.%Inner.G.type
// CHECK:STDOUT: %Inner.G => constants.%Inner.G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner.F(constants.%F) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner.G(constants.%F) {}
// CHECK:STDOUT:
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