mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
d944347e7b
This is in particular to avoid churn from changes such as #4370. I think the import list can be helpful (particularly to understand what the library is aware of), but it's a different trade-off for the prelude package due to the implicit imports.
81 lines
4.2 KiB
Plaintext
81 lines
4.2 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/const/collapse.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/const/collapse.carbon
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// OK, `const (const i32)` is the same type as `const i32`.
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// CHECK:STDERR: collapse.carbon:[[@LINE+3]]:25: warning: `const` applied repeatedly to the same type has no additional effect [RepeatedConst]
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// CHECK:STDERR: fn F(p: const i32**) -> const (const i32)** {
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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fn F(p: const i32**) -> const (const i32)** {
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return p;
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}
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// CHECK:STDOUT: --- collapse.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
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// CHECK:STDOUT: %.1: type = tuple_type () [template]
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// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
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// CHECK:STDOUT: %.2: type = const_type i32 [template]
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// CHECK:STDOUT: %.3: type = ptr_type %.2 [template]
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// CHECK:STDOUT: %.4: type = ptr_type %.3 [template]
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// CHECK:STDOUT: %F.type: type = fn_type @F [template]
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// CHECK:STDOUT: %F: %F.type = struct_value () [template]
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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, [template] {
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// CHECK:STDOUT: .Int32 = %import_ref
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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: %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
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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 [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
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// CHECK:STDOUT: %p.patt: %.4 = binding_pattern p
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// CHECK:STDOUT: %p.param_patt: %.4 = value_param_pattern %p.patt, runtime_param0
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// CHECK:STDOUT: %return.patt: %.4 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %.4 = out_param_pattern %return.patt, runtime_param1
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int.make_type_32.loc15_15: init type = call constants.%Int32() [template = i32]
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// CHECK:STDOUT: %.loc15_9.1: type = value_of_initializer %int.make_type_32.loc15_15 [template = i32]
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// CHECK:STDOUT: %.loc15_9.2: type = converted %int.make_type_32.loc15_15, %.loc15_9.1 [template = i32]
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// CHECK:STDOUT: %.loc15_9.3: type = const_type i32 [template = constants.%.2]
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// CHECK:STDOUT: %.loc15_18: type = ptr_type %.2 [template = constants.%.3]
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// CHECK:STDOUT: %.loc15_19: type = ptr_type %.3 [template = constants.%.4]
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// CHECK:STDOUT: %int.make_type_32.loc15_38: init type = call constants.%Int32() [template = i32]
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// CHECK:STDOUT: %.loc15_32.1: type = value_of_initializer %int.make_type_32.loc15_38 [template = i32]
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// CHECK:STDOUT: %.loc15_32.2: type = converted %int.make_type_32.loc15_38, %.loc15_32.1 [template = i32]
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// CHECK:STDOUT: %.loc15_32.3: type = const_type i32 [template = constants.%.2]
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// CHECK:STDOUT: %.loc15_25: type = const_type %.2 [template = constants.%.2]
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// CHECK:STDOUT: %.loc15_42: type = ptr_type %.2 [template = constants.%.3]
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// CHECK:STDOUT: %.loc15_43: type = ptr_type %.3 [template = constants.%.4]
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// CHECK:STDOUT: %p.param: %.4 = value_param runtime_param0
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// CHECK:STDOUT: %p: %.4 = bind_name p, %p.param
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// CHECK:STDOUT: %return.param: ref %.4 = out_param runtime_param1
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// CHECK:STDOUT: %return: ref %.4 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F(%p.param_patt: %.4) -> %.4 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %p.ref: %.4 = name_ref p, %p
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// CHECK:STDOUT: return %p.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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