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carbon-lang/toolchain/check/testdata/class/compound_field.carbon
T
Richard Smith d939262533 Add more testing of compound member access. (#3794) 
Includes testing of indirect compound member access (`p->(M)`).
2024-03-18 20:01:08 +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;
var b: i32;
var c: i32;
}
class Derived {
extend base: Base;
var d: i32;
var e: i32;
}
fn AccessDerived(d: Derived) -> i32 {
return d.(Derived.d);
}
fn AccessBase(d: Derived) -> i32 {
return d.(Base.b);
}
fn AccessDerivedIndirect(p: Derived*) -> i32* {
return &p->(Derived.d);
}
fn AccessBaseIndirect(p: Derived*) -> i32* {
return &p->(Base.b);
}
// CHECK:STDOUT: --- compound_field.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, .b: i32, .c: i32} [template]
// CHECK:STDOUT: %Derived: type = class_type @Derived [template]
// CHECK:STDOUT: %.3: type = ptr_type {.a: i32, .b: i32, .c: i32} [template]
// CHECK:STDOUT: %.4: type = unbound_element_type Derived, Base [template]
// CHECK:STDOUT: %.5: type = unbound_element_type Derived, i32 [template]
// CHECK:STDOUT: %.6: type = struct_type {.base: Base, .d: i32, .e: i32} [template]
// CHECK:STDOUT: %.7: type = struct_type {.base: {.a: i32, .b: i32, .c: i32}*, .d: i32, .e: i32} [template]
// CHECK:STDOUT: %.8: type = ptr_type {.base: {.a: i32, .b: i32, .c: i32}*, .d: i32, .e: i32} [template]
// CHECK:STDOUT: %.9: type = ptr_type {.base: Base, .d: i32, .e: i32} [template]
// CHECK:STDOUT: %.10: type = ptr_type Derived [template]
// CHECK:STDOUT: %.11: type = ptr_type i32 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: .AccessDerived = %AccessDerived
// CHECK:STDOUT: .AccessBase = %AccessBase
// CHECK:STDOUT: .AccessDerivedIndirect = %AccessDerivedIndirect
// CHECK:STDOUT: .AccessBaseIndirect = %AccessBaseIndirect
// CHECK:STDOUT: }
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {}
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {}
// CHECK:STDOUT: %AccessDerived: <function> = fn_decl @AccessDerived [template] {
// CHECK:STDOUT: %Derived.ref.loc20: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %d.loc20_18.1: Derived = param d
// CHECK:STDOUT: @AccessDerived.%d: Derived = bind_name d, %d.loc20_18.1
// CHECK:STDOUT: %return.var.loc20: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %AccessBase: <function> = fn_decl @AccessBase [template] {
// CHECK:STDOUT: %Derived.ref.loc24: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %d.loc24_15.1: Derived = param d
// CHECK:STDOUT: @AccessBase.%d: Derived = bind_name d, %d.loc24_15.1
// CHECK:STDOUT: %return.var.loc24: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %AccessDerivedIndirect: <function> = fn_decl @AccessDerivedIndirect [template] {
// CHECK:STDOUT: %Derived.ref.loc28: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %.loc28_36: type = ptr_type Derived [template = constants.%.10]
// CHECK:STDOUT: %p.loc28_26.1: Derived* = param p
// CHECK:STDOUT: @AccessDerivedIndirect.%p: Derived* = bind_name p, %p.loc28_26.1
// CHECK:STDOUT: %.loc28_45: type = ptr_type i32 [template = constants.%.11]
// CHECK:STDOUT: %return.var.loc28: ref i32* = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %AccessBaseIndirect: <function> = fn_decl @AccessBaseIndirect [template] {
// CHECK:STDOUT: %Derived.ref.loc32: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %.loc32_33: type = ptr_type Derived [template = constants.%.10]
// CHECK:STDOUT: %p.loc32_23.1: Derived* = param p
// CHECK:STDOUT: @AccessBaseIndirect.%p: Derived* = bind_name p, %p.loc32_23.1
// CHECK:STDOUT: %.loc32_42: type = ptr_type i32 [template = constants.%.11]
// CHECK:STDOUT: %return.var.loc32: 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: %.loc9: <unbound element of class Base> = field_decl b, element1 [template]
// CHECK:STDOUT: %.loc10: <unbound element of class Base> = field_decl c, element2 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .a = %.loc8
// CHECK:STDOUT: .b = %.loc9
// CHECK:STDOUT: .c = %.loc10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc14: <unbound element of class Derived> = base_decl Base, element0 [template]
// CHECK:STDOUT: %.loc16: <unbound element of class Derived> = field_decl d, element1 [template]
// CHECK:STDOUT: %.loc17: <unbound element of class Derived> = field_decl e, element2 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .base = %.loc14
// CHECK:STDOUT: .d = %.loc16
// CHECK:STDOUT: .e = %.loc17
// CHECK:STDOUT: extend name_scope1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @AccessDerived(%d: Derived) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %d.ref.loc21_10: Derived = name_ref d, %d
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %d.ref.loc21_20: <unbound element of class Derived> = name_ref d, @Derived.%.loc16 [template = @Derived.%.loc16]
// CHECK:STDOUT: %.loc21_11.1: ref i32 = class_element_access %d.ref.loc21_10, element1
// CHECK:STDOUT: %.loc21_11.2: i32 = bind_value %.loc21_11.1
// CHECK:STDOUT: return %.loc21_11.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @AccessBase(%d: Derived) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %d.ref: Derived = name_ref d, %d
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %b.ref: <unbound element of class Base> = name_ref b, @Base.%.loc9 [template = @Base.%.loc9]
// CHECK:STDOUT: %.loc25_11.1: ref Base = class_element_access %d.ref, element0
// CHECK:STDOUT: %.loc25_10: ref Base = converted %d.ref, %.loc25_11.1
// CHECK:STDOUT: %.loc25_11.2: ref i32 = class_element_access %.loc25_10, element1
// CHECK:STDOUT: %.loc25_11.3: i32 = bind_value %.loc25_11.2
// CHECK:STDOUT: return %.loc25_11.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @AccessDerivedIndirect(%p: Derived*) -> i32* {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Derived* = name_ref p, %p
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
// CHECK:STDOUT: %d.ref: <unbound element of class Derived> = name_ref d, @Derived.%.loc16 [template = @Derived.%.loc16]
// CHECK:STDOUT: %.loc29_12.1: ref Derived = deref %p.ref
// CHECK:STDOUT: %.loc29_12.2: ref i32 = class_element_access %.loc29_12.1, element1
// CHECK:STDOUT: %.loc29_10: i32* = addr_of %.loc29_12.2
// CHECK:STDOUT: return %.loc29_10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @AccessBaseIndirect(%p: Derived*) -> i32* {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Derived* = name_ref p, %p
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %b.ref: <unbound element of class Base> = name_ref b, @Base.%.loc9 [template = @Base.%.loc9]
// CHECK:STDOUT: %.loc33_12.1: ref Derived = deref %p.ref
// CHECK:STDOUT: %.loc33_12.2: ref Base = class_element_access %.loc33_12.1, element0
// CHECK:STDOUT: %.loc33_12.3: ref Base = converted %.loc33_12.1, %.loc33_12.2
// CHECK:STDOUT: %.loc33_12.4: ref i32 = class_element_access %.loc33_12.3, element1
// CHECK:STDOUT: %.loc33_10: i32* = addr_of %.loc33_12.4
// CHECK:STDOUT: return %.loc33_10
// CHECK:STDOUT: }
// CHECK:STDOUT:
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