mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 18:00:10 +01:00
fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
82 lines
3.6 KiB
Plaintext
82 lines
3.6 KiB
Plaintext
// 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/interop/cpp/enum/fixed.carbon
|
|
// TIP: To dump output, run:
|
|
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/fixed.carbon
|
|
|
|
// --- enum.h
|
|
|
|
enum Enum : short { a, b, c };
|
|
|
|
// --- import_enum.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "enum.h";
|
|
|
|
//@dump-sem-ir-begin
|
|
fn F() {
|
|
let unused a: Cpp.Enum = Cpp.Enum.a;
|
|
let unused b: Cpp.Enum = Cpp.b;
|
|
}
|
|
//@dump-sem-ir-end
|
|
|
|
// CHECK:STDOUT: --- import_enum.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
|
|
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %Enum: type = class_type @Enum [concrete]
|
|
// CHECK:STDOUT: %pattern_type: type = pattern_type %Enum [concrete]
|
|
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete]
|
|
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
|
|
// CHECK:STDOUT: .Enum = %Enum.decl
|
|
// CHECK:STDOUT: .b = %int_1
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Enum.decl: type = class_decl @Enum [concrete = constants.%Enum] {} {}
|
|
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete = constants.%int_0]
|
|
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete = constants.%int_1]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: file {
|
|
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @F() {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: name_binding_decl {
|
|
// CHECK:STDOUT: %a.patt: %pattern_type = value_binding_pattern a [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Cpp.ref.loc8_28: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %Enum.ref.loc8_31: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
|
|
// CHECK:STDOUT: %a.ref: %Enum = name_ref a, imports.%int_0 [concrete = constants.%int_0]
|
|
// CHECK:STDOUT: %.loc8: type = splice_block %Enum.ref.loc8_20 [concrete = constants.%Enum] {
|
|
// CHECK:STDOUT: %Cpp.ref.loc8_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %Enum.ref.loc8_20: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %a: %Enum = value_binding a, %a.ref
|
|
// CHECK:STDOUT: name_binding_decl {
|
|
// CHECK:STDOUT: %b.patt: %pattern_type = value_binding_pattern b [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Cpp.ref.loc9_28: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %b.ref: %Enum = name_ref b, imports.%int_1 [concrete = constants.%int_1]
|
|
// CHECK:STDOUT: %.loc9: type = splice_block %Enum.ref.loc9 [concrete = constants.%Enum] {
|
|
// CHECK:STDOUT: %Cpp.ref.loc9_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %Enum.ref.loc9: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %b: %Enum = value_binding b, %b.ref
|
|
// CHECK:STDOUT: return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|