mirror of
https://github.com/carbon-language/carbon-lang.git
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105 lines
4.0 KiB
Plaintext
105 lines
4.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// `expr as T` should behave the same as `expr` if `T` is the type of `expr`.
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class X {
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// ...
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}
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fn Value(n: X) {
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let m: X = n as X;
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}
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fn Reference(p: X*) {
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let q: X* = &(*p as X);
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}
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fn Make() -> X;
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fn Initializing() {
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var x: X = (Make() as X);
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}
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// CHECK:STDOUT: --- identity.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %X: type = class_type @X [template]
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// CHECK:STDOUT: %.1: type = struct_type {} [template]
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// CHECK:STDOUT: %.2: type = tuple_type () [template]
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// CHECK:STDOUT: %.3: type = ptr_type {} [template]
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// CHECK:STDOUT: %.4: type = ptr_type X [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .X = %X.decl
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// CHECK:STDOUT: .Value = %Value
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// CHECK:STDOUT: .Reference = %Reference
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// CHECK:STDOUT: .Make = %Make
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// CHECK:STDOUT: .Initializing = %Initializing
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %X.decl: type = class_decl @X [template = constants.%X] {}
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// CHECK:STDOUT: %Value: <function> = fn_decl @Value [template] {
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// CHECK:STDOUT: %X.ref.loc13: type = name_ref X, %X.decl [template = constants.%X]
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// CHECK:STDOUT: %n.loc13_10.1: X = param n
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// CHECK:STDOUT: @Value.%n: X = bind_name n, %n.loc13_10.1
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Reference: <function> = fn_decl @Reference [template] {
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// CHECK:STDOUT: %X.ref.loc17: type = name_ref X, %X.decl [template = constants.%X]
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// CHECK:STDOUT: %.loc17: type = ptr_type X [template = constants.%.4]
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// CHECK:STDOUT: %p.loc17_14.1: X* = param p
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// CHECK:STDOUT: @Reference.%p: X* = bind_name p, %p.loc17_14.1
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Make: <function> = fn_decl @Make [template] {
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// CHECK:STDOUT: %X.ref.loc21: type = name_ref X, %X.decl [template = constants.%X]
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// CHECK:STDOUT: @Make.%return: ref X = var <return slot>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Initializing: <function> = fn_decl @Initializing [template] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @X {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%X
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Value(%n: X) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %X.ref.loc14_10: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: %n.ref: X = name_ref n, %n
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// CHECK:STDOUT: %X.ref.loc14_19: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: %m: X = bind_name m, %n.ref
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Reference(%p: X*) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %X.ref.loc18_10: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: %.loc18_11: type = ptr_type X [template = constants.%.4]
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// CHECK:STDOUT: %p.ref: X* = name_ref p, %p
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// CHECK:STDOUT: %.loc18_17: ref X = deref %p.ref
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// CHECK:STDOUT: %X.ref.loc18_23: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: %.loc18_15: X* = addr_of %.loc18_17
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// CHECK:STDOUT: %q: X* = bind_name q, %.loc18_15
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Make() -> %return: X;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Initializing() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %X.ref.loc24_10: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: %x.var: ref X = var x
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// CHECK:STDOUT: %x: ref X = bind_name x, %x.var
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// CHECK:STDOUT: %Make.ref: <function> = name_ref Make, file.%Make [template = file.%Make]
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// CHECK:STDOUT: %.loc24_7: ref X = splice_block %x.var {}
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// CHECK:STDOUT: %.loc24_19: init X = call %Make.ref() to %.loc24_7
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// CHECK:STDOUT: %X.ref.loc24_25: type = name_ref X, file.%X.decl [template = constants.%X]
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// CHECK:STDOUT: assign %x.var, %.loc24_19
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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