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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
04d534abee
People seemed receptive [on #toolchain](https://discord.com/channels/655572317891461132/655578254970716160/1379196447827689553), so proceeding. For the two name conflicts, I've set it up so that there's a "foo.carbon" and "foo_with_prelude.carbon", to indicate that the no-prelude approach is preferred (with a shorter name). Note min_prelude will require a little more work/thought, I want to avoid adding `--custom-core` etc.
75 lines
3.8 KiB
Plaintext
75 lines
3.8 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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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --no-prelude-import --dump-sem-ir-ranges=if-present
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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/function/call/empty_struct.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/function/call/empty_struct.carbon
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fn Echo(a: {}) -> {} {
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return a;
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}
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fn Main() {
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Echo({});
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}
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// CHECK:STDOUT: --- empty_struct.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: %pattern_type: type = pattern_type %empty_struct_type [concrete]
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// CHECK:STDOUT: %Echo.type: type = fn_type @Echo [concrete]
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// CHECK:STDOUT: %Echo: %Echo.type = struct_value () [concrete]
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// CHECK:STDOUT: %Main.type: type = fn_type @Main [concrete]
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// CHECK:STDOUT: %Main: %Main.type = struct_value () [concrete]
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// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .Echo = %Echo.decl
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// CHECK:STDOUT: .Main = %Main.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Echo.decl: %Echo.type = fn_decl @Echo [concrete = constants.%Echo] {
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// CHECK:STDOUT: %a.patt: %pattern_type = binding_pattern a [concrete]
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// CHECK:STDOUT: %a.param_patt: %pattern_type = value_param_pattern %a.patt, call_param0 [concrete]
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// CHECK:STDOUT: %return.patt: %pattern_type = return_slot_pattern [concrete]
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// CHECK:STDOUT: %return.param_patt: %pattern_type = out_param_pattern %return.patt, call_param1 [concrete]
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %.loc14_20.1: %empty_struct_type = struct_literal ()
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// CHECK:STDOUT: %.loc14_20.2: type = converted %.loc14_20.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
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// CHECK:STDOUT: %a.param: %empty_struct_type = value_param call_param0
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// CHECK:STDOUT: %.loc14_13.1: type = splice_block %.loc14_13.3 [concrete = constants.%empty_struct_type] {
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// CHECK:STDOUT: %.loc14_13.2: %empty_struct_type = struct_literal ()
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// CHECK:STDOUT: %.loc14_13.3: type = converted %.loc14_13.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %a: %empty_struct_type = bind_name a, %a.param
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// CHECK:STDOUT: %return.param: ref %empty_struct_type = out_param call_param1
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// CHECK:STDOUT: %return: ref %empty_struct_type = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Main.decl: %Main.type = fn_decl @Main [concrete = constants.%Main] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Echo(%a.param: %empty_struct_type) -> %empty_struct_type {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %a.ref: %empty_struct_type = name_ref a, %a
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// CHECK:STDOUT: return %a.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Main() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Echo.ref: %Echo.type = name_ref Echo, file.%Echo.decl [concrete = constants.%Echo]
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// CHECK:STDOUT: %.loc19_9.1: %empty_struct_type = struct_literal ()
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// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
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// CHECK:STDOUT: %.loc19_9.2: %empty_struct_type = converted %.loc19_9.1, %empty_struct [concrete = constants.%empty_struct]
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// CHECK:STDOUT: %Echo.call: init %empty_struct_type = call %Echo.ref(%.loc19_9.2)
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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