carbon-lang/toolchain/check/testdata/if_expr/control_flow.carbon

// 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/if_expr/control_flow.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/control_flow.carbon

fn A() -> i32 { return 1; }
fn B() -> i32 { return 2; }

fn F(b: bool) -> i32 {
  return if b then A() else B();
}

// CHECK:STDOUT: --- control_flow.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %A.type: type = fn_type @A [template]
// CHECK:STDOUT:   %A: %A.type = struct_value () [template]
// CHECK:STDOUT:   %.2: i32 = int_literal 1 [template]
// CHECK:STDOUT:   %B.type: type = fn_type @B [template]
// CHECK:STDOUT:   %B: %B.type = struct_value () [template]
// CHECK:STDOUT:   %.3: i32 = int_literal 2 [template]
// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [template]
// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [template]
// CHECK:STDOUT:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = 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:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [template = constants.%A] {
// CHECK:STDOUT:     %int.make_type_32.loc11: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc11_11.1: type = value_of_initializer %int.make_type_32.loc11 [template = i32]
// CHECK:STDOUT:     %.loc11_11.2: type = converted %int.make_type_32.loc11, %.loc11_11.1 [template = i32]
// CHECK:STDOUT:     @A.%return: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [template = constants.%B] {
// CHECK:STDOUT:     %int.make_type_32.loc12: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc12_11.1: type = value_of_initializer %int.make_type_32.loc12 [template = i32]
// CHECK:STDOUT:     %.loc12_11.2: type = converted %int.make_type_32.loc12, %.loc12_11.1 [template = i32]
// CHECK:STDOUT:     @B.%return: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.3: %Bool.type = import_ref ir7, inst+2, loaded [template = constants.%Bool]
// CHECK:STDOUT:   %import_ref.4: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT:     %.loc14_9.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT:     %.loc14_9.2: type = converted %bool.make_type, %.loc14_9.1 [template = bool]
// CHECK:STDOUT:     %b.loc14_6.1: bool = param b
// CHECK:STDOUT:     @F.%b: bool = bind_name b, %b.loc14_6.1
// CHECK:STDOUT:     %int.make_type_32.loc14: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc14_18.1: type = value_of_initializer %int.make_type_32.loc14 [template = i32]
// CHECK:STDOUT:     %.loc14_18.2: type = converted %int.make_type_32.loc14, %.loc14_18.1 [template = i32]
// CHECK:STDOUT:     @F.%return: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc11: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT:   return %.loc11
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc12: i32 = int_literal 2 [template = constants.%.3]
// CHECK:STDOUT:   return %.loc12
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Bool() -> type = "bool.make_type";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%b: bool) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
// CHECK:STDOUT:   if %b.ref br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT:   %A.ref: %A.type = name_ref A, file.%A.decl [template = constants.%A]
// CHECK:STDOUT:   %A.call: init i32 = call %A.ref()
// CHECK:STDOUT:   %.loc15_21.1: i32 = value_of_initializer %A.call
// CHECK:STDOUT:   %.loc15_21.2: i32 = converted %A.call, %.loc15_21.1
// CHECK:STDOUT:   br !if.expr.result(%.loc15_21.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT:   %B.ref: %B.type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT:   %B.call: init i32 = call %B.ref()
// CHECK:STDOUT:   %.loc15_24.1: i32 = value_of_initializer %B.call
// CHECK:STDOUT:   %.loc15_24.2: i32 = converted %B.call, %.loc15_24.1
// CHECK:STDOUT:   br !if.expr.result(%.loc15_24.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT:   %.loc15_10: i32 = block_arg !if.expr.result
// CHECK:STDOUT:   return %.loc15_10
// CHECK:STDOUT: }
// CHECK:STDOUT: