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carbon-lang/toolchain/check/testdata/class/generic_method.carbon
T
Richard Smith 3c4c234d01 Treat the empty inst block as being canonical. (#4199) 
TryEvalInst was assuming this to be the case when forming canonical
constants, but it previously wasn't.

This fixes an issue where we can end up with two identical-looking
constants for an empty struct value: one with an `Empty` block and
another with the canonical empty block.
2024-08-07 21:58:28 +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/class/generic_method.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic_method.carbon
class Class(T:! type) {
var a: T;
fn F[self: Self](n: T);
}
fn Class(T:! type).F[self: Self](n: T) {}
// CHECK:STDOUT: --- generic_method.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %Class.type: type = generic_class_type @Class [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Class.1: %Class.type = struct_value () [template]
// CHECK:STDOUT: %Class.2: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT: %.2: type = unbound_element_type %Class.2, %T [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T) [symbolic]
// CHECK:STDOUT: %F: %F.type = struct_value () [symbolic]
// CHECK:STDOUT: %.3: type = struct_type {.a: %T} [symbolic]
// CHECK:STDOUT: %.4: type = ptr_type %.3 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/operators
// CHECK:STDOUT: import Core//prelude/types
// CHECK:STDOUT: import Core//prelude/operators/arithmetic
// CHECK:STDOUT: import Core//prelude/operators/bitwise
// CHECK:STDOUT: import Core//prelude/operators/comparison
// CHECK:STDOUT: import Core//prelude/types/bool
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
// CHECK:STDOUT: %T.loc11_13.1: type = param T
// CHECK:STDOUT: %T.loc11_13.2: type = bind_symbolic_name T 0, %T.loc11_13.1 [symbolic = @Class.%T (constants.%T)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [symbolic = constants.%F] {
// CHECK:STDOUT: %T.loc16_10.1: type = param T
// CHECK:STDOUT: %T.loc16_10.2: type = bind_symbolic_name T 0, %T.loc16_10.1 [symbolic = constants.%T]
// CHECK:STDOUT: %.loc16: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = constants.%Class.2]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc16 [symbolic = constants.%Class.2]
// CHECK:STDOUT: %self.loc16_22.1: %Class.2 = param self
// CHECK:STDOUT: @F.%self: %Class.2 = bind_name self, %self.loc16_22.1
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc16_10.2 [symbolic = constants.%T]
// CHECK:STDOUT: %n.loc16_34.1: %T = param n
// CHECK:STDOUT: @F.%n: %T = bind_name n, %n.loc16_34.1
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(file.%T.loc11_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT: %.1: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T (%T) [symbolic = %.1 (constants.%.2)]
// CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T) [symbolic = %F.type (constants.%F.type)]
// CHECK:STDOUT: %F: @Class.%F.type (%F.type) = struct_value () [symbolic = %F (constants.%F)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %T.ref.loc12: type = name_ref T, file.%T.loc11_13.2 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %.loc12: @Class.%.1 (%.2) = field_decl a, element0 [template]
// CHECK:STDOUT: %F.decl: @Class.%F.type (%F.type) = fn_decl @F [symbolic = %F (constants.%F)] {
// CHECK:STDOUT: %.loc13: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = @F.%Class (constants.%Class.2)]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc13 [symbolic = @F.%Class (constants.%Class.2)]
// CHECK:STDOUT: %self.loc13_8.1: @F.%Class (%Class.2) = param self
// CHECK:STDOUT: %self.loc13_8.2: @F.%Class (%Class.2) = bind_name self, %self.loc13_8.1
// CHECK:STDOUT: %T.ref.loc13: type = name_ref T, file.%T.loc11_13.2 [symbolic = @F.%T (constants.%T)]
// CHECK:STDOUT: %n.loc13_20.1: @F.%T (%T) = param n
// CHECK:STDOUT: %n.loc13_20.2: @F.%T (%T) = bind_name n, %n.loc13_20.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class.2
// CHECK:STDOUT: .a = %.loc12
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(file.%T.loc11_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn[%self: %Class.2](%n: %T) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class => constants.%Class.2
// CHECK:STDOUT: %.1 => constants.%.2
// CHECK:STDOUT: %F.type => constants.%F.type
// CHECK:STDOUT: %F => constants.%F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(@F.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Class => constants.%Class.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(@Class.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
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