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carbon-lang/toolchain/check/testdata/class/self_conversion.carbon
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Richard Smith 015c7c780c Fix location of converted inst for explicit as conversion. (#3887) 
Use the complete location of the `as` conversion rather than the
location of the first operand, so diagnostics referring to the result
point at the whole thing.
2024-04-15 23:22:44 +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
base class Base {
var a: i32;
}
class Derived {
extend base: Base;
fn SelfBase[self: Base]() -> i32;
fn AddrSelfBase[addr self: Base*]();
}
fn Derived.SelfBase[self: Base]() -> i32 {
return self.a;
}
fn Derived.AddrSelfBase[addr self: Base*]() {
(*self).a = 1;
}
fn Call(p: Derived*) -> i32 {
(*p).AddrSelfBase();
return (*p).SelfBase();
}
// CHECK:STDOUT: --- self_conversion.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %.1: type = unbound_element_type Base, i32 [template]
// CHECK:STDOUT: %.2: type = struct_type {.a: i32} [template]
// CHECK:STDOUT: %Derived: type = class_type @Derived [template]
// CHECK:STDOUT: %.3: type = ptr_type {.a: i32} [template]
// CHECK:STDOUT: %.4: type = unbound_element_type Derived, Base [template]
// CHECK:STDOUT: %.5: type = ptr_type Base [template]
// CHECK:STDOUT: %.6: type = struct_type {.base: Base} [template]
// CHECK:STDOUT: %.7: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.8: type = ptr_type Derived [template]
// CHECK:STDOUT: %.9: type = struct_type {.base: {.a: i32}*} [template]
// CHECK:STDOUT: %.10: type = ptr_type {.base: Base} [template]
// CHECK:STDOUT: %.11: type = tuple_type () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: .Call = %Call
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {}
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {}
// CHECK:STDOUT: %SelfBase: <function> = fn_decl @SelfBase [template] {
// CHECK:STDOUT: %Base.ref.loc18: type = name_ref Base, %Base.decl [template = constants.%Base]
// CHECK:STDOUT: %self.loc18_21.1: Base = param self
// CHECK:STDOUT: @SelfBase.%self: Base = bind_name self, %self.loc18_21.1
// CHECK:STDOUT: @SelfBase.%return: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %AddrSelfBase: <function> = fn_decl @AddrSelfBase [template] {
// CHECK:STDOUT: %Base.ref.loc22: type = name_ref Base, %Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc22_40: type = ptr_type Base [template = constants.%.5]
// CHECK:STDOUT: %self.loc22_30.1: Base* = param self
// CHECK:STDOUT: @AddrSelfBase.%self: Base* = bind_name self, %self.loc22_30.1
// CHECK:STDOUT: @AddrSelfBase.%.loc22: Base* = addr_pattern @AddrSelfBase.%self
// CHECK:STDOUT: }
// CHECK:STDOUT: %Call: <function> = fn_decl @Call [template] {
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %.loc26: type = ptr_type Derived [template = constants.%.8]
// CHECK:STDOUT: %p.loc26_9.1: Derived* = param p
// CHECK:STDOUT: @Call.%p: Derived* = bind_name p, %p.loc26_9.1
// CHECK:STDOUT: @Call.%return: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %.loc8: <unbound element of class Base> = field_decl a, element0 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .a = %.loc8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %Base.ref.loc12: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc12: <unbound element of class Derived> = base_decl Base, element0 [template]
// CHECK:STDOUT: %SelfBase: <function> = fn_decl @SelfBase [template] {
// CHECK:STDOUT: %Base.ref.loc14: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %self.loc14_15.1: Base = param self
// CHECK:STDOUT: %self.loc14_15.2: Base = bind_name self, %self.loc14_15.1
// CHECK:STDOUT: %return.var: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %AddrSelfBase: <function> = fn_decl @AddrSelfBase [template] {
// CHECK:STDOUT: %Base.ref.loc15: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc15_34: type = ptr_type Base [template = constants.%.5]
// CHECK:STDOUT: %self.loc15_24.1: Base* = param self
// CHECK:STDOUT: %self.loc15_24.3: Base* = bind_name self, %self.loc15_24.1
// CHECK:STDOUT: %.loc15_19: Base* = addr_pattern %self.loc15_24.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .base = %.loc12
// CHECK:STDOUT: .SelfBase = %SelfBase
// CHECK:STDOUT: .AddrSelfBase = %AddrSelfBase
// CHECK:STDOUT: extend name_scope2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SelfBase[%self: Base]() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: Base = name_ref self, %self
// CHECK:STDOUT: %a.ref: <unbound element of class Base> = name_ref a, @Base.%.loc8 [template = @Base.%.loc8]
// CHECK:STDOUT: %.loc19_14.1: ref i32 = class_element_access %self.ref, element0
// CHECK:STDOUT: %.loc19_14.2: i32 = bind_value %.loc19_14.1
// CHECK:STDOUT: return %.loc19_14.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @AddrSelfBase[addr %self: Base*]() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: Base* = name_ref self, %self
// CHECK:STDOUT: %.loc23_4: ref Base = deref %self.ref
// CHECK:STDOUT: %a.ref: <unbound element of class Base> = name_ref a, @Base.%.loc8 [template = @Base.%.loc8]
// CHECK:STDOUT: %.loc23_10: ref i32 = class_element_access %.loc23_4, element0
// CHECK:STDOUT: %.loc23_15: i32 = int_literal 1 [template = constants.%.7]
// CHECK:STDOUT: assign %.loc23_10, %.loc23_15
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Call(%p: Derived*) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref.loc27: Derived* = name_ref p, %p
// CHECK:STDOUT: %.loc27_4.1: ref Derived = deref %p.ref.loc27
// CHECK:STDOUT: %AddrSelfBase.ref: <function> = name_ref AddrSelfBase, @Derived.%AddrSelfBase [template = @Derived.%AddrSelfBase]
// CHECK:STDOUT: %.loc27_7: <bound method> = bound_method %.loc27_4.1, %AddrSelfBase.ref
// CHECK:STDOUT: %.loc27_4.2: Derived* = addr_of %.loc27_4.1
// CHECK:STDOUT: %.loc27_20.1: ref Derived = deref %.loc27_4.2
// CHECK:STDOUT: %.loc27_20.2: ref Base = class_element_access %.loc27_20.1, element0
// CHECK:STDOUT: %.loc27_20.3: Base* = addr_of %.loc27_20.2
// CHECK:STDOUT: %.loc27_20.4: Base* = converted %.loc27_4.2, %.loc27_20.3
// CHECK:STDOUT: %.loc27_20.5: init () = call %.loc27_7(%.loc27_20.4)
// CHECK:STDOUT: %p.ref.loc28: Derived* = name_ref p, %p
// CHECK:STDOUT: %.loc28_11: ref Derived = deref %p.ref.loc28
// CHECK:STDOUT: %SelfBase.ref: <function> = name_ref SelfBase, @Derived.%SelfBase [template = @Derived.%SelfBase]
// CHECK:STDOUT: %.loc28_14: <bound method> = bound_method %.loc28_11, %SelfBase.ref
// CHECK:STDOUT: %.loc28_23.1: ref Base = class_element_access %.loc28_11, element0
// CHECK:STDOUT: %.loc28_23.2: ref Base = converted %.loc28_11, %.loc28_23.1
// CHECK:STDOUT: %.loc28_23.3: Base = bind_value %.loc28_23.2
// CHECK:STDOUT: %.loc28_23.4: init i32 = call %.loc28_14(%.loc28_23.3)
// CHECK:STDOUT: %.loc28_25.1: i32 = value_of_initializer %.loc28_23.4
// CHECK:STDOUT: %.loc28_25.2: i32 = converted %.loc28_23.4, %.loc28_25.1
// CHECK:STDOUT: return %.loc28_25.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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