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carbon-lang/toolchain/check/testdata/while/break_continue.carbon
T
Jon Ross-PerkinsandRichard Smith 76ed3c73cb Promote FunctionType to a standard instruction. (#3931) 
This removes the builtin FunctionType, replacing it with a FunctionType
instruction. The constant for a FunctionDecl is now a StructValue with
type of FunctionType.

Note this means a function declaration produces _both_ a type, and a
value of the type. This has some consequences in terms of circularity,
and makes the importing of function declarations a little more complex.

It'll get particularly peculiar for imports because of the behavior of
the reference, but that's a known issue due to other things such as
`alias`. The impact will hopefully be contained to
ResolvePrevInstForMerge (and ImportRefs).

To note a small formatting change in diagnostics:

```
-  // CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:3: ERROR: Value of type `<associated <function> in Interface>` is not callable.
+  // CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:3: ERROR: Value of type `<associated F in Interface>` is not callable.

-  // CHECK:STDERR: fail_todo_facet_lookup.carbon:[[@LINE+4]]:3: ERROR: Value of type `<associated <function> in Interface>` is not callable.
+  // CHECK:STDERR: fail_todo_facet_lookup.carbon:[[@LINE+4]]:3: ERROR: Value of type `<associated F in Interface>` is not callable.
```

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-05-03 15:18:04 +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
fn A() -> bool;
fn B() -> bool;
fn C() -> bool;
fn D() -> bool;
fn E() -> bool;
fn F() -> bool;
fn G() -> bool;
fn H() -> bool;
fn While() {
while (A()) {
if (B()) { continue; }
if (C()) { break; }
while (D()) {
if (E()) { continue; }
if (F()) { break; }
}
if (G()) { continue; }
if (H()) { break; }
}
}
// CHECK:STDOUT: --- break_continue.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %A: type = fn_type @A [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %struct.1: A = struct_value () [template]
// CHECK:STDOUT: %B: type = fn_type @B [template]
// CHECK:STDOUT: %struct.2: B = struct_value () [template]
// CHECK:STDOUT: %C: type = fn_type @C [template]
// CHECK:STDOUT: %struct.3: C = struct_value () [template]
// CHECK:STDOUT: %D: type = fn_type @D [template]
// CHECK:STDOUT: %struct.4: D = struct_value () [template]
// CHECK:STDOUT: %E: type = fn_type @E [template]
// CHECK:STDOUT: %struct.5: E = struct_value () [template]
// CHECK:STDOUT: %F: type = fn_type @F [template]
// CHECK:STDOUT: %struct.6: F = struct_value () [template]
// CHECK:STDOUT: %G: type = fn_type @G [template]
// CHECK:STDOUT: %struct.7: G = struct_value () [template]
// CHECK:STDOUT: %H: type = fn_type @H [template]
// CHECK:STDOUT: %struct.8: H = struct_value () [template]
// CHECK:STDOUT: %While: type = fn_type @While [template]
// CHECK:STDOUT: %struct.9: While = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A.decl
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .D = %D.decl
// CHECK:STDOUT: .E = %E.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .H = %H.decl
// CHECK:STDOUT: .While = %While.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A.decl: A = fn_decl @A [template = constants.%struct.1] {
// CHECK:STDOUT: @A.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.decl: B = fn_decl @B [template = constants.%struct.2] {
// CHECK:STDOUT: @B.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: C = fn_decl @C [template = constants.%struct.3] {
// CHECK:STDOUT: @C.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %D.decl: D = fn_decl @D [template = constants.%struct.4] {
// CHECK:STDOUT: @D.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %E.decl: E = fn_decl @E [template = constants.%struct.5] {
// CHECK:STDOUT: @E.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: F = fn_decl @F [template = constants.%struct.6] {
// CHECK:STDOUT: @F.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl: G = fn_decl @G [template = constants.%struct.7] {
// CHECK:STDOUT: @G.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %H.decl: H = fn_decl @H [template = constants.%struct.8] {
// CHECK:STDOUT: @H.%return: ref bool = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %While.decl: While = fn_decl @While [template = constants.%struct.9] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @E() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @While() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: br !while.cond.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !while.cond.loc17:
// CHECK:STDOUT: %A.ref: A = name_ref A, file.%A.decl [template = constants.%struct.1]
// CHECK:STDOUT: %A.call: init bool = call %A.ref()
// CHECK:STDOUT: %.loc17_13.1: bool = value_of_initializer %A.call
// CHECK:STDOUT: %.loc17_13.2: bool = converted %A.call, %.loc17_13.1
// CHECK:STDOUT: if %.loc17_13.2 br !while.body.loc17 else br !while.done.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !while.body.loc17:
// CHECK:STDOUT: %B.ref: B = name_ref B, file.%B.decl [template = constants.%struct.2]
// CHECK:STDOUT: %B.call: init bool = call %B.ref()
// CHECK:STDOUT: %.loc18_12.1: bool = value_of_initializer %B.call
// CHECK:STDOUT: %.loc18_12.2: bool = converted %B.call, %.loc18_12.1
// CHECK:STDOUT: if %.loc18_12.2 br !if.then.loc18 else br !if.else.loc18
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc18:
// CHECK:STDOUT: br !while.cond.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc18:
// CHECK:STDOUT: %C.ref: C = name_ref C, file.%C.decl [template = constants.%struct.3]
// CHECK:STDOUT: %C.call: init bool = call %C.ref()
// CHECK:STDOUT: %.loc19_12.1: bool = value_of_initializer %C.call
// CHECK:STDOUT: %.loc19_12.2: bool = converted %C.call, %.loc19_12.1
// CHECK:STDOUT: if %.loc19_12.2 br !if.then.loc19 else br !if.else.loc19
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc19:
// CHECK:STDOUT: br !while.done.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc19:
// CHECK:STDOUT: br !while.cond.loc20
// CHECK:STDOUT:
// CHECK:STDOUT: !while.cond.loc20:
// CHECK:STDOUT: %D.ref: D = name_ref D, file.%D.decl [template = constants.%struct.4]
// CHECK:STDOUT: %D.call: init bool = call %D.ref()
// CHECK:STDOUT: %.loc20_15.1: bool = value_of_initializer %D.call
// CHECK:STDOUT: %.loc20_15.2: bool = converted %D.call, %.loc20_15.1
// CHECK:STDOUT: if %.loc20_15.2 br !while.body.loc20 else br !while.done.loc20
// CHECK:STDOUT:
// CHECK:STDOUT: !while.body.loc20:
// CHECK:STDOUT: %E.ref: E = name_ref E, file.%E.decl [template = constants.%struct.5]
// CHECK:STDOUT: %E.call: init bool = call %E.ref()
// CHECK:STDOUT: %.loc21_14.1: bool = value_of_initializer %E.call
// CHECK:STDOUT: %.loc21_14.2: bool = converted %E.call, %.loc21_14.1
// CHECK:STDOUT: if %.loc21_14.2 br !if.then.loc21 else br !if.else.loc21
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc21:
// CHECK:STDOUT: br !while.cond.loc20
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc21:
// CHECK:STDOUT: %F.ref: F = name_ref F, file.%F.decl [template = constants.%struct.6]
// CHECK:STDOUT: %F.call: init bool = call %F.ref()
// CHECK:STDOUT: %.loc22_14.1: bool = value_of_initializer %F.call
// CHECK:STDOUT: %.loc22_14.2: bool = converted %F.call, %.loc22_14.1
// CHECK:STDOUT: if %.loc22_14.2 br !if.then.loc22 else br !if.else.loc22
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc22:
// CHECK:STDOUT: br !while.done.loc20
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc22:
// CHECK:STDOUT: br !while.cond.loc20
// CHECK:STDOUT:
// CHECK:STDOUT: !while.done.loc20:
// CHECK:STDOUT: %G.ref: G = name_ref G, file.%G.decl [template = constants.%struct.7]
// CHECK:STDOUT: %G.call: init bool = call %G.ref()
// CHECK:STDOUT: %.loc24_12.1: bool = value_of_initializer %G.call
// CHECK:STDOUT: %.loc24_12.2: bool = converted %G.call, %.loc24_12.1
// CHECK:STDOUT: if %.loc24_12.2 br !if.then.loc24 else br !if.else.loc24
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc24:
// CHECK:STDOUT: br !while.cond.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc24:
// CHECK:STDOUT: %H.ref: H = name_ref H, file.%H.decl [template = constants.%struct.8]
// CHECK:STDOUT: %H.call: init bool = call %H.ref()
// CHECK:STDOUT: %.loc25_12.1: bool = value_of_initializer %H.call
// CHECK:STDOUT: %.loc25_12.2: bool = converted %H.call, %.loc25_12.1
// CHECK:STDOUT: if %.loc25_12.2 br !if.then.loc25 else br !if.else.loc25
// CHECK:STDOUT:
// CHECK:STDOUT: !if.then.loc25:
// CHECK:STDOUT: br !while.done.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !if.else.loc25:
// CHECK:STDOUT: br !while.cond.loc17
// CHECK:STDOUT:
// CHECK:STDOUT: !while.done.loc17:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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