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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>
59 lines
2.7 KiB
Plaintext
59 lines
2.7 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/full.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/operators/overloaded/bit_complement.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/operators/overloaded/bit_complement.carbon
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// This file was generated from unary_op.carbon.tmpl. Run make_tests.sh to regenerate.
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package User;
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class C {};
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impl C as Core.BitComplement where .Result = C {
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fn Op[unused self: C]() -> C {
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return {};
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}
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}
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fn TestOp(a: C) -> C {
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//@dump-sem-ir-begin
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return ^a;
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- bit_complement.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %C: type = class_type @C [concrete]
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// CHECK:STDOUT: %BitComplement.type: type = facet_type <@BitComplement> [concrete]
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// CHECK:STDOUT: %BitComplement.impl_witness: <witness> = impl_witness @C.as.BitComplement.impl.%BitComplement.impl_witness_table [concrete]
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// CHECK:STDOUT: %C.as.BitComplement.impl.Op.type: type = fn_type @C.as.BitComplement.impl.Op [concrete]
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// CHECK:STDOUT: %C.as.BitComplement.impl.Op: %C.as.BitComplement.impl.Op.type = struct_value () [concrete]
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// CHECK:STDOUT: %BitComplement.facet: %BitComplement.type = facet_value %C, (%BitComplement.impl_witness) [concrete]
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// CHECK:STDOUT: %BitComplement.WithSelf.Op.type.568: type = fn_type @BitComplement.WithSelf.Op, @BitComplement(%BitComplement.facet) [concrete]
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// CHECK:STDOUT: %.0d9: type = fn_type_with_self_type %BitComplement.WithSelf.Op.type.568, %BitComplement.facet [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: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @TestOp(%a.param: %C) -> out %return.param: %C {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %a.ref: %C = name_ref a, %a
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// CHECK:STDOUT: %impl.elem1: %.0d9 = impl_witness_access constants.%BitComplement.impl_witness, element1 [concrete = constants.%C.as.BitComplement.impl.Op]
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// CHECK:STDOUT: %bound_method: <bound method> = bound_method %a.ref, %impl.elem1
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: %C.as.BitComplement.impl.Op.call: init %C to %.loc27_20.1 = call %bound_method(%a.ref)
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// CHECK:STDOUT: return %C.as.BitComplement.impl.Op.call to %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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