mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-30 17:15:00 +01:00
Geoff Romer
4329a83e4c
The key changes are: - Function output parameters are now prefixed with `out`, and more consistently formatted as named parameters. - Function and inst output arguments are now written as part of the inst form, rather than as one of the inst arguments. As a drive-by fix, this also changes `Temporary::storage_id` from `DestInstId` to `InstId`, because it doesn't represent an output parameter of the `Temporary` inst itself. See the review of [#6532](https://github.com/carbon-language/carbon-lang/pull/6532) and [this Discord discussion](https://discord.com/channels/655572317891461132/999638000126394370/1458268977020141589) for additional background.
138 lines
7.0 KiB
Plaintext
138 lines
7.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/array/import.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/import.carbon
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// --- library.carbon
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library "[[@TEST_NAME]]";
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fn F() -> array(i32, 42);
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// --- user.carbon
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import library "library";
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fn G(n: i32) -> i32 {
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//@dump-sem-ir-begin
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return F()[n];
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//@dump-sem-ir-end
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}
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// --- fail_todo_symbolic_decl.carbon
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library "[[@TEST_NAME]]";
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interface I {
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let val:! array(i32, 1);
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}
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class C {}
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// CHECK:STDERR: fail_todo_symbolic_decl.carbon:[[@LINE+4]]:26: error: expression is runtime; expected constant [EvalRequiresConstantValue]
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// CHECK:STDERR: impl C as I where .val = (1,) {}
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// CHECK:STDERR: ^~~~
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// CHECK:STDERR:
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impl C as I where .val = (1,) {}
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// --- fail_todo_import_symbolic_decl.carbon
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library "[[@TEST_NAME]]";
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import library "symbolic_decl";
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fn F() -> array(i32, 1) {
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//@dump-sem-ir-begin
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// CHECK:STDERR: fail_todo_import_symbolic_decl.carbon:[[@LINE+4]]:11: error: cannot convert type `C` into type implementing `I` [ConversionFailureTypeToFacet]
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// CHECK:STDERR: return (C as I).val;
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// CHECK:STDERR: ^~~~~~
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// CHECK:STDERR:
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return (C as I).val;
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- user.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: %int_42: Core.IntLiteral = int_value 42 [concrete]
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// CHECK:STDOUT: %array_type: type = array_type %int_42, %i32 [concrete]
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// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
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// CHECK:STDOUT: %Copy.Op.type: type = fn_type @Copy.Op [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
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// CHECK:STDOUT: %Copy.impl_witness.f17: <witness> = impl_witness imports.%Copy.impl_witness_table.e76, @Int.as.Copy.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.546: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.664: %Int.as.Copy.impl.Op.type.546 = struct_value () [concrete]
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// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.f17) [concrete]
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// CHECK:STDOUT: %.f79: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.664, @Int.as.Copy.impl.Op(%int_32) [concrete]
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// CHECK:STDOUT: %DestroyOp.type: type = fn_type @DestroyOp [concrete]
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// CHECK:STDOUT: %DestroyOp: %DestroyOp.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.F: %F.type = import_ref Main//library, F, loaded [concrete = constants.%F]
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// CHECK:STDOUT: %Core.import_ref.18d: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.824) = 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.9b9)]
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// CHECK:STDOUT: %Copy.impl_witness_table.e76 = impl_witness_table (%Core.import_ref.18d), @Int.as.Copy.impl [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G(%n.param: %i32) -> out %return.param: %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %F.ref: %F.type = name_ref F, imports.%Main.F [concrete = constants.%F]
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// CHECK:STDOUT: %.loc6_12.1: ref %array_type = temporary_storage
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// CHECK:STDOUT: %F.call: init %array_type to %.loc6_12.1 = call %F.ref()
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// CHECK:STDOUT: %n.ref: %i32 = name_ref n, %n
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// CHECK:STDOUT: %.loc6_12.2: ref %array_type = temporary %.loc6_12.1, %F.call
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// CHECK:STDOUT: %int_32.loc6: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
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// CHECK:STDOUT: %i32.loc6: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
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// CHECK:STDOUT: %.loc6_15.1: ref %i32 = array_index %.loc6_12.2, %n.ref
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// CHECK:STDOUT: %.loc6_15.2: %i32 = acquire_value %.loc6_15.1
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// CHECK:STDOUT: %impl.elem0: %.f79 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
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// CHECK:STDOUT: %bound_method.loc6_15.1: <bound method> = bound_method %.loc6_15.2, %impl.elem0
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// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
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// CHECK:STDOUT: %bound_method.loc6_15.2: <bound method> = bound_method %.loc6_15.2, %specific_fn
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc6_15.2(%.loc6_15.2)
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// CHECK:STDOUT: %DestroyOp.bound: <bound method> = bound_method %.loc6_12.2, constants.%DestroyOp
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// CHECK:STDOUT: %DestroyOp.call: init %empty_tuple.type = call %DestroyOp.bound(%.loc6_12.2)
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// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @DestroyOp(%self.param: %array_type) = "no_op";
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_todo_import_symbolic_decl.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete]
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// CHECK:STDOUT: %array_type: type = array_type %int_1, %i32 [concrete]
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// CHECK:STDOUT: %C: type = class_type @C [concrete]
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.I: type = import_ref Main//symbolic_decl, I, loaded [concrete = constants.%I.type]
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// CHECK:STDOUT: %Main.C: type = import_ref Main//symbolic_decl, C, loaded [concrete = constants.%C]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> out %return.param: %array_type {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Main.C [concrete = constants.%C]
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// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
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// CHECK:STDOUT: %val.ref: <error> = name_ref val, <error> [concrete = <error>]
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// CHECK:STDOUT: return <error> to %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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