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https://github.com/carbon-language/carbon-lang.git
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Geoff Romer
09710d102f
This resolves a TODO in `expr_info.cpp` by using the inst kind rather than the bound value to track the binding's category. Since we're churning all the `bind_name` insts in testdata anyway, I'm also taking this opportunity to align the inst naming with the design's terminology, by calling these insts "bindings" (this aspect of the PR is dependent on #6231 resolving an ambiguity in that terminology). For consistency we'll need to rename several other insts as well (see the TODO on `RefBinding`); I'm deferring that to a separate PR to minimize the review load, but I think those name changes are in-scope for this review.
78 lines
4.1 KiB
Plaintext
78 lines
4.1 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/none.carbon
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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --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_tuple.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_tuple.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_tuple.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %pattern_type: type = pattern_type %empty_tuple.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: %empty_tuple: %empty_tuple.type = tuple_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: }
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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 = value_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: %.loc15_20.1: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %.loc15_20.2: type = converted %.loc15_20.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: %a.param: %empty_tuple.type = value_param call_param0
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// CHECK:STDOUT: %.loc15_13.1: type = splice_block %.loc15_13.3 [concrete = constants.%empty_tuple.type] {
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// CHECK:STDOUT: %.loc15_13.2: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %.loc15_13.3: type = converted %.loc15_13.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %a: %empty_tuple.type = value_binding a, %a.param
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// CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param1
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// CHECK:STDOUT: %return: ref %empty_tuple.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_tuple.type) -> %empty_tuple.type {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %a.ref: %empty_tuple.type = name_ref a, %a
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// CHECK:STDOUT: %.loc16_10: init %empty_tuple.type = tuple_init () to %return [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: %.loc16_11: init %empty_tuple.type = converted %a.ref, %.loc16_10 [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: return %.loc16_11 to %return
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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: %.loc20_9.1: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: %.loc20_9.2: %empty_tuple.type = converted %.loc20_9.1, %empty_tuple [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: %Echo.call: init %empty_tuple.type = call %Echo.ref(%.loc20_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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