Files
carbon-lang/toolchain/check/testdata/const/collapse.carbon
T
Calvin 3f4de65ad8 Improve SemIR naming of import_refs (#4824)
Changes the name of SemIR `import_ref`s to use the format
`<package>.<entity>`.

<table>
<tr><th>Before</th><th>After</th></tr>
<tr>
<td><code>%import_ref.05a: type</code></td>
<td><code>%Main.D: type</code></td>
</tr>
<tr>
<td><code>%import_ref.8f2: &lt;witness&gt;</code></td>
<td><code>%Main.import_ref.8f2: &lt;witness&gt;</code></td>
</tr>
</table>

* [Discord discussion in
#toolchain](https://discord.com/channels/655572317891461132/655578254970716160/1330253540999827577)
* Closes #4769
2025-01-22 07:22:07 +00:00

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// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/const/collapse.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/const/collapse.carbon
// OK, `const (const i32)` is the same type as `const i32`.
// CHECK:STDERR: collapse.carbon:[[@LINE+4]]:25: warning: `const` applied repeatedly to the same type has no additional effect [RepeatedConst]
// CHECK:STDERR: fn F(p: const i32**) -> const (const i32)** {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
// CHECK:STDERR:
fn F(p: const i32**) -> const (const i32)** {
return p;
}
// CHECK:STDOUT: --- collapse.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %const: type = const_type %i32 [template]
// CHECK:STDOUT: %ptr.36b: type = ptr_type %const [template]
// CHECK:STDOUT: %ptr.3bc: type = ptr_type %ptr.36b [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %p.patt: %ptr.3bc = binding_pattern p
// CHECK:STDOUT: %p.param_patt: %ptr.3bc = value_param_pattern %p.patt, runtime_param0
// CHECK:STDOUT: %return.patt: %ptr.3bc = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %ptr.3bc = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32.loc16_38: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_38: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %const.loc16_32: type = const_type %i32 [template = constants.%const]
// CHECK:STDOUT: %const.loc16_25: type = const_type %const [template = constants.%const]
// CHECK:STDOUT: %ptr.loc16_42: type = ptr_type %const [template = constants.%ptr.36b]
// CHECK:STDOUT: %ptr.loc16_43: type = ptr_type %ptr.36b [template = constants.%ptr.3bc]
// CHECK:STDOUT: %p.param: %ptr.3bc = value_param runtime_param0
// CHECK:STDOUT: %.loc16: type = splice_block %ptr.loc16_19 [template = constants.%ptr.3bc] {
// CHECK:STDOUT: %int_32.loc16_15: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_15: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %const.loc16_9: type = const_type %i32 [template = constants.%const]
// CHECK:STDOUT: %ptr.loc16_18: type = ptr_type %const [template = constants.%ptr.36b]
// CHECK:STDOUT: %ptr.loc16_19: type = ptr_type %ptr.36b [template = constants.%ptr.3bc]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: %ptr.3bc = bind_name p, %p.param
// CHECK:STDOUT: %return.param: ref %ptr.3bc = out_param runtime_param1
// CHECK:STDOUT: %return: ref %ptr.3bc = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%p.param_patt: %ptr.3bc) -> %ptr.3bc {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: %ptr.3bc = name_ref p, %p
// CHECK:STDOUT: return %p.ref
// CHECK:STDOUT: }
// CHECK:STDOUT: