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carbon-lang/toolchain/check/testdata/as/overloaded.carbon
T
Richard Smith bc395eb889 Represent integer literals as IntLiteral not as i32. (#4532) 
When an `IntLiteral` appears as an operand of an `if` expression,
convert it to `i32` for now, so that we don't reject things like `if
cond then 1 else 2` due to having a non-constant value of type
`IntLiteral`.

For tuple indexing expressions such as `(a, b).0`, convert the index to
type `IntLiteral`, not to type `i32`. This isn't strictly necessary to
do in this PR, but avoids the need to provide an `IntLiteral` -> `i32`
implicit conversion for `no_prelude` tests using this syntax.
2024-11-15 23:24:15 +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/as/overloaded.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/as/overloaded.carbon
class X {
var n: i32;
}
impl i32 as Core.As(X) {
fn Convert[self: i32]() -> X { return {.n = self}; }
}
impl X as Core.As(i32) {
fn Convert[self: X]() -> i32 { return self.n; }
}
let n: i32 = ((4 as i32) as X) as i32;
// CHECK:STDOUT: --- overloaded.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %X: type = class_type @X [template]
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %.1: type = unbound_element_type %X, i32 [template]
// CHECK:STDOUT: %.2: type = struct_type {.n: i32} [template]
// CHECK:STDOUT: %.3: <witness> = complete_type_witness %.2 [template]
// CHECK:STDOUT: %As.type.1: type = generic_interface_type @As [template]
// CHECK:STDOUT: %As: %As.type.1 = struct_value () [template]
// CHECK:STDOUT: %As.type.3: type = facet_type <@As, @As(%X)> [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.2 [template]
// CHECK:STDOUT: %Convert.2: %Convert.type.2 = struct_value () [template]
// CHECK:STDOUT: %Convert.type.3: type = fn_type @Convert.1, @As(%X) [template]
// CHECK:STDOUT: %.8: <witness> = interface_witness (%Convert.2) [template]
// CHECK:STDOUT: %As.type.4: type = facet_type <@As, @As(i32)> [template]
// CHECK:STDOUT: %Convert.type.4: type = fn_type @Convert.3 [template]
// CHECK:STDOUT: %Convert.4: %Convert.type.4 = struct_value () [template]
// CHECK:STDOUT: %Convert.type.5: type = fn_type @Convert.1, @As(i32) [template]
// CHECK:STDOUT: %.12: <witness> = interface_witness (%Convert.4) [template]
// CHECK:STDOUT: %.13: Core.IntLiteral = int_value 4 [template]
// CHECK:STDOUT: %Convert.type.18: type = fn_type @Convert.13 [template]
// CHECK:STDOUT: %Convert.18: %Convert.type.18 = struct_value () [template]
// CHECK:STDOUT: %.33: <witness> = interface_witness (%Convert.18) [template]
// CHECK:STDOUT: %.34: <bound method> = bound_method %.13, %Convert.18 [template]
// CHECK:STDOUT: %.35: i32 = int_value 4 [template]
// CHECK:STDOUT: %.36: <bound method> = bound_method %.35, %Convert.2 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int32 = %import_ref.1
// CHECK:STDOUT: .As = %import_ref.2
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.2: %As.type.1 = import_ref Core//prelude/operators/as, inst+14, loaded [template = constants.%As]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .X = %X.decl
// CHECK:STDOUT: .n = @__global_init.%n
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %X.decl: type = class_decl @X [template = constants.%X] {} {}
// CHECK:STDOUT: impl_decl @impl.1 [template] {} {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc15_6.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc15_6.2: type = converted %int.make_type_32, %.loc15_6.1 [template = i32]
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %As.ref: %As.type.1 = name_ref As, imports.%import_ref.2 [template = constants.%As]
// CHECK:STDOUT: %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
// CHECK:STDOUT: %As.type: type = facet_type <@As, @As(constants.%X)> [template = constants.%As.type.3]
// CHECK:STDOUT: }
// CHECK:STDOUT: impl_decl @impl.2 [template] {} {
// CHECK:STDOUT: %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %As.ref: %As.type.1 = name_ref As, imports.%import_ref.2 [template = constants.%As]
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc19_18.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc19_18.2: type = converted %int.make_type_32, %.loc19_18.1 [template = i32]
// CHECK:STDOUT: %As.type: type = facet_type <@As, @As(i32)> [template = constants.%As.type.4]
// CHECK:STDOUT: }
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc23_8.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc23_8.2: type = converted %int.make_type_32, %.loc23_8.1 [template = i32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl.1: %.loc15_6.2 as %As.type {
// CHECK:STDOUT: %Convert.decl: %Convert.type.2 = fn_decl @Convert.2 [template = constants.%Convert.2] {
// CHECK:STDOUT: %self.patt: i32 = binding_pattern self
// CHECK:STDOUT: %self.param_patt: i32 = value_param_pattern %self.patt, runtime_param0
// CHECK:STDOUT: %return.patt: %X = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %X = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc16_20.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc16_20.2: type = converted %int.make_type_32, %.loc16_20.1 [template = i32]
// CHECK:STDOUT: %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
// CHECK:STDOUT: %self.param: i32 = value_param runtime_param0
// CHECK:STDOUT: %self: i32 = bind_name self, %self.param
// CHECK:STDOUT: %return.param: ref %X = out_param runtime_param1
// CHECK:STDOUT: %return: ref %X = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc15_24: <witness> = interface_witness (%Convert.decl) [template = constants.%.8]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Convert = %Convert.decl
// CHECK:STDOUT: witness = %.loc15_24
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl.2: %X.ref as %As.type {
// CHECK:STDOUT: %Convert.decl: %Convert.type.4 = fn_decl @Convert.3 [template = constants.%Convert.4] {
// CHECK:STDOUT: %self.patt: %X = binding_pattern self
// CHECK:STDOUT: %self.param_patt: %X = value_param_pattern %self.patt, runtime_param0
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc20_28.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc20_28.2: type = converted %int.make_type_32, %.loc20_28.1 [template = i32]
// CHECK:STDOUT: %self.param: %X = value_param runtime_param0
// CHECK:STDOUT: %self: %X = bind_name self, %self.param
// CHECK:STDOUT: %return.param: ref i32 = out_param runtime_param1
// CHECK:STDOUT: %return: ref i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc19_24: <witness> = interface_witness (%Convert.decl) [template = constants.%.12]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Convert = %Convert.decl
// CHECK:STDOUT: witness = %.loc19_24
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @X {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc12_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc12_10.2: type = converted %int.make_type_32, %.loc12_10.1 [template = i32]
// CHECK:STDOUT: %.loc12_8: %.1 = field_decl n, element0 [template]
// CHECK:STDOUT: %.loc13: <witness> = complete_type_witness %.2 [template = constants.%.3]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%X
// CHECK:STDOUT: .n = %.loc12_8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Convert.2[%self.param_patt: i32]() -> %return: %X {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: i32 = name_ref self, %self
// CHECK:STDOUT: %.loc16_51.1: %.2 = struct_literal (%self.ref)
// CHECK:STDOUT: %.loc16_51.2: ref i32 = class_element_access %return, element0
// CHECK:STDOUT: %.loc16_51.3: init i32 = initialize_from %self.ref to %.loc16_51.2
// CHECK:STDOUT: %.loc16_51.4: init %X = class_init (%.loc16_51.3), %return
// CHECK:STDOUT: %.loc16_52: init %X = converted %.loc16_51.1, %.loc16_51.4
// CHECK:STDOUT: return %.loc16_52 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Convert.3[%self.param_patt: %X]() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: %X = name_ref self, %self
// CHECK:STDOUT: %n.ref: %.1 = name_ref n, @X.%.loc12_8 [template = @X.%.loc12_8]
// CHECK:STDOUT: %.loc20_45.1: ref i32 = class_element_access %self.ref, element0
// CHECK:STDOUT: %.loc20_45.2: i32 = bind_value %.loc20_45.1
// CHECK:STDOUT: return %.loc20_45.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc23_16: Core.IntLiteral = int_value 4 [template = constants.%.13]
// CHECK:STDOUT: %int.make_type_32.loc23_21: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc23_21.1: type = value_of_initializer %int.make_type_32.loc23_21 [template = i32]
// CHECK:STDOUT: %.loc23_21.2: type = converted %int.make_type_32.loc23_21, %.loc23_21.1 [template = i32]
// CHECK:STDOUT: %.loc23_18.1: %Convert.type.5 = interface_witness_access constants.%.33, element0 [template = constants.%Convert.18]
// CHECK:STDOUT: %.loc23_18.2: <bound method> = bound_method %.loc23_16, %.loc23_18.1 [template = constants.%.34]
// CHECK:STDOUT: %int.convert_checked: init i32 = call %.loc23_18.2(%.loc23_16) [template = constants.%.35]
// CHECK:STDOUT: %.loc23_18.3: i32 = value_of_initializer %int.convert_checked [template = constants.%.35]
// CHECK:STDOUT: %.loc23_18.4: i32 = converted %.loc23_16, %.loc23_18.3 [template = constants.%.35]
// CHECK:STDOUT: %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
// CHECK:STDOUT: %.loc23_26.1: %Convert.type.3 = interface_witness_access constants.%.8, element0 [template = constants.%Convert.2]
// CHECK:STDOUT: %.loc23_26.2: <bound method> = bound_method %.loc23_18.4, %.loc23_26.1 [template = constants.%.36]
// CHECK:STDOUT: %.loc23_26.3: ref %X = temporary_storage
// CHECK:STDOUT: %Convert.call.loc23_26: init %X = call %.loc23_26.2(%.loc23_18.4) to %.loc23_26.3
// CHECK:STDOUT: %.loc23_26.4: init %X = converted %.loc23_18.4, %Convert.call.loc23_26
// CHECK:STDOUT: %int.make_type_32.loc23_35: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc23_35.1: type = value_of_initializer %int.make_type_32.loc23_35 [template = i32]
// CHECK:STDOUT: %.loc23_35.2: type = converted %int.make_type_32.loc23_35, %.loc23_35.1 [template = i32]
// CHECK:STDOUT: %.loc23_32.1: %Convert.type.5 = interface_witness_access constants.%.12, element0 [template = constants.%Convert.4]
// CHECK:STDOUT: %.loc23_32.2: <bound method> = bound_method %.loc23_26.4, %.loc23_32.1
// CHECK:STDOUT: %.loc23_26.5: ref %X = temporary %.loc23_26.3, %.loc23_26.4
// CHECK:STDOUT: %.loc23_26.6: %X = bind_value %.loc23_26.5
// CHECK:STDOUT: %Convert.call.loc23_32: init i32 = call %.loc23_32.2(%.loc23_26.6)
// CHECK:STDOUT: %.loc23_32.3: i32 = value_of_initializer %Convert.call.loc23_32
// CHECK:STDOUT: %.loc23_32.4: i32 = converted %.loc23_26.4, %.loc23_32.3
// CHECK:STDOUT: %n: i32 = bind_name n, %.loc23_32.4
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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