// 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 [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 [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 // 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 // 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 // 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: