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carbon-lang/toolchain/check/testdata/class/method.carbon
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Richard Smith ce1dd20be2 Refactor member lookup in preparation for adding impl lookup. (#3775) 
A couple of minor functional changes here:

- We now always create a `name_ref` for the name referred to by the
right-hand operand of member access. Previously we skipped creating this
instruction if the referenced name was a field, and just created the
field access instruction. This makes our processing of member accesses
and our SemIR representation a bit more uniform.
- We now perform lookup into the type of the left-hand operand if it's
any type with a scope, not just for classes. This means we do lookup
into interface types. However, doing so isn't really useful yet because
it always finds an associated entity that isn't usable by itself. This
changes the diagnostic in
`toolchain/check/testdata/interface/fail_todo_facet_lookup.carbon`.
2024-03-13 23:44:38 +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
class Class {
fn F[self: Self]() -> i32;
fn G[addr self: Self*]() -> i32;
alias A = F;
var k: i32;
}
fn Class.F[self: Self]() -> i32 {
return self.k;
}
fn Call(c: Class) -> i32 {
// TODO: The sem-ir for this call doesn't distinguish the `self` argument from
// the explicit arguments.
return c.F();
}
fn CallAlias(c: Class) -> i32 {
return c.A();
}
fn CallOnConstBoundMethod() -> i32 {
return ({.k = 1} as Class).F();
}
fn CallWithAddr() -> i32 {
var c: Class;
return c.G();
}
fn CallFThroughPointer(p: Class*) -> i32 {
return (*p).F();
}
fn CallGThroughPointer(p: Class*) -> i32 {
return (*p).G();
}
fn Make() -> Class;
fn CallFOnInitializingExpr() -> i32 {
return Make().F();
}
fn CallGOnInitializingExpr() -> i32 {
return Make().G();
}
// CHECK:STDOUT: --- method.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %.1: type = ptr_type Class [template]
// CHECK:STDOUT: %.2: type = unbound_element_type Class, i32 [template]
// CHECK:STDOUT: %.3: type = struct_type {.k: i32} [template]
// CHECK:STDOUT: %.4: type = ptr_type {.k: i32} [template]
// CHECK:STDOUT: %.5: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.6: Class = struct_value (%.5) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: .Call = %Call
// CHECK:STDOUT: .CallAlias = %CallAlias
// CHECK:STDOUT: .CallOnConstBoundMethod = %CallOnConstBoundMethod
// CHECK:STDOUT: .CallWithAddr = %CallWithAddr
// CHECK:STDOUT: .CallFThroughPointer = %CallFThroughPointer
// CHECK:STDOUT: .CallGThroughPointer = %CallGThroughPointer
// CHECK:STDOUT: .Make = %Make
// CHECK:STDOUT: .CallFOnInitializingExpr = %CallFOnInitializingExpr
// CHECK:STDOUT: .CallGOnInitializingExpr = %CallGOnInitializingExpr
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {}
// CHECK:STDOUT: %F: <function> = fn_decl @F [template] {
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%Class [template = constants.%Class]
// CHECK:STDOUT: %self.loc16_12.1: Class = param self
// CHECK:STDOUT: @F.%self: Class = bind_name self, %self.loc16_12.1
// CHECK:STDOUT: %return.var.loc16: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Call: <function> = fn_decl @Call [template] {
// CHECK:STDOUT: %Class.ref.loc20: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %c.loc20_9.1: Class = param c
// CHECK:STDOUT: @Call.%c: Class = bind_name c, %c.loc20_9.1
// CHECK:STDOUT: %return.var.loc20: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallAlias: <function> = fn_decl @CallAlias [template] {
// CHECK:STDOUT: %Class.ref.loc26: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %c.loc26_14.1: Class = param c
// CHECK:STDOUT: @CallAlias.%c: Class = bind_name c, %c.loc26_14.1
// CHECK:STDOUT: %return.var.loc26: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallOnConstBoundMethod: <function> = fn_decl @CallOnConstBoundMethod [template] {
// CHECK:STDOUT: %return.var.loc30: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallWithAddr: <function> = fn_decl @CallWithAddr [template] {
// CHECK:STDOUT: %return.var.loc34: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallFThroughPointer: <function> = fn_decl @CallFThroughPointer [template] {
// CHECK:STDOUT: %Class.ref.loc39: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc39: type = ptr_type Class [template = constants.%.1]
// CHECK:STDOUT: %p.loc39_24.1: Class* = param p
// CHECK:STDOUT: @CallFThroughPointer.%p: Class* = bind_name p, %p.loc39_24.1
// CHECK:STDOUT: %return.var.loc39: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallGThroughPointer: <function> = fn_decl @CallGThroughPointer [template] {
// CHECK:STDOUT: %Class.ref.loc43: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc43: type = ptr_type Class [template = constants.%.1]
// CHECK:STDOUT: %p.loc43_24.1: Class* = param p
// CHECK:STDOUT: @CallGThroughPointer.%p: Class* = bind_name p, %p.loc43_24.1
// CHECK:STDOUT: %return.var.loc43: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Make: <function> = fn_decl @Make [template] {
// CHECK:STDOUT: %Class.ref.loc47: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: @Make.%return: ref Class = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallFOnInitializingExpr: <function> = fn_decl @CallFOnInitializingExpr [template] {
// CHECK:STDOUT: %return.var.loc49: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallGOnInitializingExpr: <function> = fn_decl @CallGOnInitializingExpr [template] {
// CHECK:STDOUT: %return.var.loc53: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %F: <function> = fn_decl @F [template] {
// CHECK:STDOUT: %Self.ref.loc8: type = name_ref Self, constants.%Class [template = constants.%Class]
// CHECK:STDOUT: %self.loc8_8.1: Class = param self
// CHECK:STDOUT: %self.loc8_8.2: Class = bind_name self, %self.loc8_8.1
// CHECK:STDOUT: %return.var.loc8: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %G: <function> = fn_decl @G [template] {
// CHECK:STDOUT: %Self.ref.loc9: type = name_ref Self, constants.%Class [template = constants.%Class]
// CHECK:STDOUT: %.loc9_23: type = ptr_type Class [template = constants.%.1]
// CHECK:STDOUT: %self.loc9_13.1: Class* = param self
// CHECK:STDOUT: %self.loc9_13.3: Class* = bind_name self, %self.loc9_13.1
// CHECK:STDOUT: %.loc9_8: Class* = addr_pattern %self.loc9_13.3
// CHECK:STDOUT: %return.var.loc9: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.ref: <function> = name_ref F, %F [template = %F]
// CHECK:STDOUT: %A: <function> = bind_alias A, %F [template = %F]
// CHECK:STDOUT: %.loc13: <unbound element of class Class> = field_decl k, element0 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .F = %F
// CHECK:STDOUT: .G = %G
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: .k = %.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F[%self: Class]() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: Class = name_ref self, %self
// CHECK:STDOUT: %k.ref: <unbound element of class Class> = name_ref k, @Class.%.loc13 [template = @Class.%.loc13]
// CHECK:STDOUT: %.loc17_14.1: ref i32 = class_element_access %self.ref, element0
// CHECK:STDOUT: %.loc17_14.2: i32 = bind_value %.loc17_14.1
// CHECK:STDOUT: return %.loc17_14.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G[addr @Class.%self.loc9_13.3: Class*]() -> i32;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Call(%c: Class) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %c.ref: Class = name_ref c, %c
// CHECK:STDOUT: %F.ref: <function> = name_ref F, @Class.%F [template = @Class.%F]
// CHECK:STDOUT: %.loc23_11: <bound method> = bound_method %c.ref, %F.ref
// CHECK:STDOUT: %.loc23_13.1: init i32 = call %.loc23_11(%c.ref)
// CHECK:STDOUT: %.loc23_15: i32 = value_of_initializer %.loc23_13.1
// CHECK:STDOUT: %.loc23_13.2: i32 = converted %.loc23_13.1, %.loc23_15
// CHECK:STDOUT: return %.loc23_13.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallAlias(%c: Class) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %c.ref: Class = name_ref c, %c
// CHECK:STDOUT: %A.ref: <function> = name_ref A, @Class.%A [template = @Class.%F]
// CHECK:STDOUT: %.loc27_11: <bound method> = bound_method %c.ref, %A.ref
// CHECK:STDOUT: %.loc27_13.1: init i32 = call %.loc27_11(%c.ref)
// CHECK:STDOUT: %.loc27_15: i32 = value_of_initializer %.loc27_13.1
// CHECK:STDOUT: %.loc27_13.2: i32 = converted %.loc27_13.1, %.loc27_15
// CHECK:STDOUT: return %.loc27_13.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallOnConstBoundMethod() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc31_17: i32 = int_literal 1 [template = constants.%.5]
// CHECK:STDOUT: %.loc31_18.1: {.k: i32} = struct_literal (%.loc31_17)
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc31_18.2: ref Class = temporary_storage
// CHECK:STDOUT: %.loc31_18.3: ref i32 = class_element_access %.loc31_18.2, element0
// CHECK:STDOUT: %.loc31_18.4: init i32 = initialize_from %.loc31_17 to %.loc31_18.3 [template = constants.%.5]
// CHECK:STDOUT: %.loc31_18.5: init Class = class_init (%.loc31_18.4), %.loc31_18.2 [template = constants.%.6]
// CHECK:STDOUT: %.loc31_18.6: ref Class = temporary %.loc31_18.2, %.loc31_18.5
// CHECK:STDOUT: %.loc31_18.7: ref Class = converted %.loc31_18.1, %.loc31_18.6
// CHECK:STDOUT: %F.ref: <function> = name_ref F, @Class.%F [template = @Class.%F]
// CHECK:STDOUT: %.loc31_29: <bound method> = bound_method %.loc31_18.7, %F.ref
// CHECK:STDOUT: %.loc31_18.8: Class = bind_value %.loc31_18.7
// CHECK:STDOUT: %.loc31_31.1: init i32 = call %.loc31_29(%.loc31_18.8)
// CHECK:STDOUT: %.loc31_33: i32 = value_of_initializer %.loc31_31.1
// CHECK:STDOUT: %.loc31_31.2: i32 = converted %.loc31_31.1, %.loc31_33
// CHECK:STDOUT: return %.loc31_31.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallWithAddr() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %c.var: ref Class = var c
// CHECK:STDOUT: %c: ref Class = bind_name c, %c.var
// CHECK:STDOUT: %c.ref: ref Class = name_ref c, %c
// CHECK:STDOUT: %G.ref: <function> = name_ref G, @Class.%G [template = @Class.%G]
// CHECK:STDOUT: %.loc36_11: <bound method> = bound_method %c.ref, %G.ref
// CHECK:STDOUT: %.loc36_10: Class* = addr_of %c.ref
// CHECK:STDOUT: %.loc36_13.1: init i32 = call %.loc36_11(%.loc36_10)
// CHECK:STDOUT: %.loc36_15: i32 = value_of_initializer %.loc36_13.1
// CHECK:STDOUT: %.loc36_13.2: i32 = converted %.loc36_13.1, %.loc36_15
// CHECK:STDOUT: return %.loc36_13.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallFThroughPointer(%p: Class*) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc40_11.1: ref Class = deref %p.ref
// CHECK:STDOUT: %F.ref: <function> = name_ref F, @Class.%F [template = @Class.%F]
// CHECK:STDOUT: %.loc40_14: <bound method> = bound_method %.loc40_11.1, %F.ref
// CHECK:STDOUT: %.loc40_11.2: Class = bind_value %.loc40_11.1
// CHECK:STDOUT: %.loc40_16.1: init i32 = call %.loc40_14(%.loc40_11.2)
// CHECK:STDOUT: %.loc40_18: i32 = value_of_initializer %.loc40_16.1
// CHECK:STDOUT: %.loc40_16.2: i32 = converted %.loc40_16.1, %.loc40_18
// CHECK:STDOUT: return %.loc40_16.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallGThroughPointer(%p: Class*) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc44_11.1: ref Class = deref %p.ref
// CHECK:STDOUT: %G.ref: <function> = name_ref G, @Class.%G [template = @Class.%G]
// CHECK:STDOUT: %.loc44_14: <bound method> = bound_method %.loc44_11.1, %G.ref
// CHECK:STDOUT: %.loc44_11.2: Class* = addr_of %.loc44_11.1
// CHECK:STDOUT: %.loc44_16.1: init i32 = call %.loc44_14(%.loc44_11.2)
// CHECK:STDOUT: %.loc44_18: i32 = value_of_initializer %.loc44_16.1
// CHECK:STDOUT: %.loc44_16.2: i32 = converted %.loc44_16.1, %.loc44_18
// CHECK:STDOUT: return %.loc44_16.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Make() -> %return: Class;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallFOnInitializingExpr() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Make.ref: <function> = name_ref Make, file.%Make [template = file.%Make]
// CHECK:STDOUT: %.loc50_14.1: ref Class = temporary_storage
// CHECK:STDOUT: %.loc50_14.2: init Class = call %Make.ref() to %.loc50_14.1
// CHECK:STDOUT: %.loc50_14.3: ref Class = temporary %.loc50_14.1, %.loc50_14.2
// CHECK:STDOUT: %F.ref: <function> = name_ref F, @Class.%F [template = @Class.%F]
// CHECK:STDOUT: %.loc50_16: <bound method> = bound_method %.loc50_14.3, %F.ref
// CHECK:STDOUT: %.loc50_14.4: Class = bind_value %.loc50_14.3
// CHECK:STDOUT: %.loc50_18.1: init i32 = call %.loc50_16(%.loc50_14.4)
// CHECK:STDOUT: %.loc50_20: i32 = value_of_initializer %.loc50_18.1
// CHECK:STDOUT: %.loc50_18.2: i32 = converted %.loc50_18.1, %.loc50_20
// CHECK:STDOUT: return %.loc50_18.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallGOnInitializingExpr() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Make.ref: <function> = name_ref Make, file.%Make [template = file.%Make]
// CHECK:STDOUT: %.loc54_14.1: ref Class = temporary_storage
// CHECK:STDOUT: %.loc54_14.2: init Class = call %Make.ref() to %.loc54_14.1
// CHECK:STDOUT: %.loc54_14.3: ref Class = temporary %.loc54_14.1, %.loc54_14.2
// CHECK:STDOUT: %G.ref: <function> = name_ref G, @Class.%G [template = @Class.%G]
// CHECK:STDOUT: %.loc54_16: <bound method> = bound_method %.loc54_14.3, %G.ref
// CHECK:STDOUT: %.loc54_14.4: Class* = addr_of %.loc54_14.3
// CHECK:STDOUT: %.loc54_18.1: init i32 = call %.loc54_16(%.loc54_14.4)
// CHECK:STDOUT: %.loc54_20: i32 = value_of_initializer %.loc54_18.1
// CHECK:STDOUT: %.loc54_18.2: i32 = converted %.loc54_18.1, %.loc54_20
// CHECK:STDOUT: return %.loc54_18.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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