mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:40:12 +01:00
Dana JansensandRichard Smith
0e8d354567
This allows us to import the table for a given impl only once, while we can import many ImplWitness instructions with different specifics for a generic impl. For example in convert_facet_value_to_narrowed_facet_type.carbon we see that a single witness table is imported for the BitAnd interface, with multiple witnesses (for different specifics) imported and sharing the same table. The ImplWitnessTable now contains a back-link to the Impl the witness is for, allowing inst namer to name that interface in the textual semir, and allowing the interface to be found when debugging from a witness. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
114 lines
7.4 KiB
Plaintext
114 lines
7.4 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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// 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/index/fail_array_non_int_indexing.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/index/fail_array_non_int_indexing.carbon
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var a: array(i32, 1) = (12,);
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// CHECK:STDERR: fail_array_non_int_indexing.carbon:[[@LINE+7]]:16: error: cannot implicitly convert expression of type `f64` to `i32` [ConversionFailure]
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// CHECK:STDERR: var b: i32 = a[2.6];
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// CHECK:STDERR: ^~~
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// CHECK:STDERR: fail_array_non_int_indexing.carbon:[[@LINE+4]]:16: note: type `f64` does not implement interface `Core.ImplicitAs(i32)` [MissingImplInMemberAccessNote]
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// CHECK:STDERR: var b: i32 = a[2.6];
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// CHECK:STDERR: ^~~
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// CHECK:STDERR:
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var b: i32 = a[2.6];
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// CHECK:STDOUT: --- fail_array_non_int_indexing.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: %int_12.6a3: Core.IntLiteral = int_value 12 [concrete]
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// CHECK:STDOUT: %tuple.type: type = tuple_type (Core.IntLiteral) [concrete]
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// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
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// CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
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// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
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// CHECK:STDOUT: %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
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// CHECK:STDOUT: %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
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// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
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// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
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// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
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// CHECK:STDOUT: %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_12.6a3, %Convert.956 [concrete]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
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// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_12.6a3, %Convert.specific_fn [concrete]
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// CHECK:STDOUT: %int_12.1e1: %i32 = int_value 12 [concrete]
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// CHECK:STDOUT: %array: %array_type = tuple_value (%int_12.1e1) [concrete]
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// CHECK:STDOUT: %float: f64 = float_literal 2.6000000000000001 [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: %Core: <namespace> = namespace file.%Core.import, [concrete] {
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// CHECK:STDOUT: .Int = %Core.Int
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// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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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: .Core = imports.%Core
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// CHECK:STDOUT: .a = %a
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// CHECK:STDOUT: .b = %b
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %a.patt: %array_type = binding_pattern a
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// CHECK:STDOUT: %.loc11_1: %array_type = var_pattern %a.patt
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %a.var: ref %array_type = var a
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// CHECK:STDOUT: %.loc11_20: type = splice_block %array_type [concrete = constants.%array_type] {
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// CHECK:STDOUT: %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
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// CHECK:STDOUT: %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
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// CHECK:STDOUT: %array_type: type = array_type %int_1, %i32.loc11 [concrete = constants.%array_type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %a: ref %array_type = bind_name a, %a.var
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %b.patt: %i32 = binding_pattern b
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// CHECK:STDOUT: %.loc19_1: %i32 = var_pattern %b.patt
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %b.var: ref %i32 = var b
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// CHECK:STDOUT: %.loc19_8: type = splice_block %i32.loc19 [concrete = constants.%i32] {
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// CHECK:STDOUT: %int_32.loc19: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
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// CHECK:STDOUT: %i32.loc19: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %b: ref %i32 = bind_name b, %b.var
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @__global_init() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %int_12: Core.IntLiteral = int_value 12 [concrete = constants.%int_12.6a3]
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// CHECK:STDOUT: %.loc11_28.1: %tuple.type = tuple_literal (%int_12)
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// CHECK:STDOUT: %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
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// CHECK:STDOUT: %bound_method.loc11_28.1: <bound method> = bound_method %int_12, %impl.elem0 [concrete = constants.%Convert.bound]
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// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
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// CHECK:STDOUT: %bound_method.loc11_28.2: <bound method> = bound_method %int_12, %specific_fn [concrete = constants.%bound_method]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %bound_method.loc11_28.2(%int_12) [concrete = constants.%int_12.1e1]
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// CHECK:STDOUT: %.loc11_28.2: init %i32 = converted %int_12, %int.convert_checked [concrete = constants.%int_12.1e1]
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// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
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// CHECK:STDOUT: %.loc11_28.3: ref %i32 = array_index file.%a.var, %int_0
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// CHECK:STDOUT: %.loc11_28.4: init %i32 = initialize_from %.loc11_28.2 to %.loc11_28.3 [concrete = constants.%int_12.1e1]
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// CHECK:STDOUT: %.loc11_28.5: init %array_type = array_init (%.loc11_28.4) to file.%a.var [concrete = constants.%array]
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// CHECK:STDOUT: %.loc11_1: init %array_type = converted %.loc11_28.1, %.loc11_28.5 [concrete = constants.%array]
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// CHECK:STDOUT: assign file.%a.var, %.loc11_1
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// CHECK:STDOUT: %a.ref: ref %array_type = name_ref a, file.%a
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// CHECK:STDOUT: %float: f64 = float_literal 2.6000000000000001 [concrete = constants.%float]
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
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// CHECK:STDOUT: %.loc19_16: %i32 = converted %float, <error> [concrete = <error>]
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// CHECK:STDOUT: %.loc19_19.1: ref %i32 = array_index %a.ref, <error> [concrete = <error>]
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// CHECK:STDOUT: %.loc19_19.2: %i32 = bind_value %.loc19_19.1 [concrete = <error>]
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// CHECK:STDOUT: assign file.%b.var, %.loc19_19.2
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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