// 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
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/while/while.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/while/while.carbon

fn Cond() -> bool;

fn F();
fn G();
fn H();

fn While() {
  F();
  while (Cond()) {
    G();
  }
  H();
}

// CHECK:STDOUT: --- while.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [template]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [template]
// CHECK:STDOUT:   %Cond.type: type = fn_type @Cond [template]
// CHECK:STDOUT:   %Cond: %Cond.type = struct_value () [template]
// CHECK:STDOUT:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = struct_value () [template]
// CHECK:STDOUT:   %G.type: type = fn_type @G [template]
// CHECK:STDOUT:   %G: %G.type = struct_value () [template]
// CHECK:STDOUT:   %H.type: type = fn_type @H [template]
// CHECK:STDOUT:   %H: %H.type = struct_value () [template]
// CHECK:STDOUT:   %While.type: type = fn_type @While [template]
// CHECK:STDOUT:   %While: %While.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Bool = %Core.Bool
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cond = %Cond.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.import = import Core
// CHECK:STDOUT:   %Cond.decl: %Cond.type = fn_decl @Cond [template = constants.%Cond] {
// CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT:     %.loc11_14.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT:     %.loc11_14.2: type = converted %bool.make_type, %.loc11_14.1 [template = bool]
// CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
// CHECK:STDOUT:     %return: ref bool = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {} {}
// CHECK:STDOUT:   %H.decl: %H.type = fn_decl @H [template = constants.%H] {} {}
// CHECK:STDOUT:   %While.decl: %While.type = fn_decl @While [template = constants.%While] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Cond() -> bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @While() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
// CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref()
// CHECK:STDOUT:   br !while.cond
// CHECK:STDOUT:
// CHECK:STDOUT: !while.cond:
// CHECK:STDOUT:   %Cond.ref: %Cond.type = name_ref Cond, file.%Cond.decl [template = constants.%Cond]
// CHECK:STDOUT:   %Cond.call: init bool = call %Cond.ref()
// CHECK:STDOUT:   %.loc19_16.1: bool = value_of_initializer %Cond.call
// CHECK:STDOUT:   %.loc19_16.2: bool = converted %Cond.call, %.loc19_16.1
// CHECK:STDOUT:   if %.loc19_16.2 br !while.body else br !while.done
// CHECK:STDOUT:
// CHECK:STDOUT: !while.body:
// CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [template = constants.%G]
// CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.ref()
// CHECK:STDOUT:   br !while.cond
// CHECK:STDOUT:
// CHECK:STDOUT: !while.done:
// CHECK:STDOUT:   %H.ref: %H.type = name_ref H, file.%H.decl [template = constants.%H]
// CHECK:STDOUT:   %H.call: init %empty_tuple.type = call %H.ref()
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: