Update if tests (#5551)

In the vein of #5455. This reuses the bool min_prelude in #5550.

toolchain/check/testdata/if/else.carbon

@@ -1,111 +0,0 @@
-// 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/else.carbon
-// TIP: To dump output, run:
-// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/else.carbon
-
-fn F() {}
-fn G() {}
-fn H() {}
-
-fn If(b: bool) {
-  if (b) {
-    F();
-  } else {
-    G();
-  }
-  H();
-}
-
-// CHECK:STDOUT: --- else.carbon
-// CHECK:STDOUT:
-// CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
-// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
-// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
-// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
-// CHECK:STDOUT:   %H.type: type = fn_type @H [concrete]
-// CHECK:STDOUT:   %H: %H.type = struct_value () [concrete]
-// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
-// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
-// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
-// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
-// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: imports {
-// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
-// CHECK:STDOUT:     .Bool = %Core.Bool
-// CHECK:STDOUT:     import Core//prelude
-// CHECK:STDOUT:     import Core//prelude/...
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: file {
-// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
-// CHECK:STDOUT:     .Core = imports.%Core
-// CHECK:STDOUT:     .F = %F.decl
-// CHECK:STDOUT:     .G = %G.decl
-// CHECK:STDOUT:     .H = %H.decl
-// CHECK:STDOUT:     .If = %If.decl
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.import = import Core
-// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
-// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
-// CHECK:STDOUT:   %H.decl: %H.type = fn_decl @H [concrete = constants.%H] {} {}
-// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc15_10.1: type = splice_block %.loc15_10.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc15_10.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc15_10.3: type = converted %bool.make_type, %.loc15_10.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @F() {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @G() {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @H() {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If(%b.param: bool) {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
-// CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref()
-// CHECK:STDOUT:   br !if.done
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
-// CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.ref()
-// CHECK:STDOUT:   br !if.done
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.done:
-// CHECK:STDOUT:   %H.ref: %H.type = name_ref H, file.%H.decl [concrete = constants.%H]
-// CHECK:STDOUT:   %H.call: init %empty_tuple.type = call %H.ref()
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:

toolchain/check/testdata/if/fail_reachable_fallthrough.carbon

@@ -1,224 +0,0 @@
-// 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/fail_reachable_fallthrough.carbon
-// TIP: To dump output, run:
-// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/fail_reachable_fallthrough.carbon
-
-fn If1(b: bool) -> i32 {
-  if (b) {
-    return 1;
-  } else {
-  }
-// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
-// CHECK:STDERR: }
-// CHECK:STDERR: ^
-// CHECK:STDERR:
-}
-
-fn If2(b: bool) -> i32 {
-  if (b) {
-  } else {
-    return 2;
-  }
-// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
-// CHECK:STDERR: }
-// CHECK:STDERR: ^
-// CHECK:STDERR:
-}
-
-fn If3(b: bool) -> i32 {
-  if (b) {
-    return 1;
-  }
-// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
-// CHECK:STDERR: }
-// CHECK:STDERR: ^
-// CHECK:STDERR:
-}
-
-// CHECK:STDOUT: --- fail_reachable_fallthrough.carbon
-// CHECK:STDOUT:
-// CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
-// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
-// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
-// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
-// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
-// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
-// CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
-// CHECK:STDOUT:   %If1.type: type = fn_type @If1 [concrete]
-// CHECK:STDOUT:   %If1: %If1.type = struct_value () [concrete]
-// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
-// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
-// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
-// CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
-// CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.2, @impl.4f9(%To.c80) [symbolic]
-// CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
-// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
-// CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
-// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
-// CHECK:STDOUT:   %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
-// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
-// CHECK:STDOUT:   %If2.type: type = fn_type @If2 [concrete]
-// CHECK:STDOUT:   %If2: %If2.type = struct_value () [concrete]
-// CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
-// CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
-// CHECK:STDOUT:   %bound_method.b92: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
-// CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
-// CHECK:STDOUT:   %If3.type: type = fn_type @If3 [concrete]
-// CHECK:STDOUT:   %If3: %If3.type = struct_value () [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: imports {
-// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
-// CHECK:STDOUT:     .Bool = %Core.Bool
-// CHECK:STDOUT:     .Int = %Core.Int
-// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
-// CHECK:STDOUT:     import Core//prelude
-// CHECK:STDOUT:     import Core//prelude/...
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
-// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
-// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
-// CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: file {
-// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
-// CHECK:STDOUT:     .Core = imports.%Core
-// CHECK:STDOUT:     .If1 = %If1.decl
-// CHECK:STDOUT:     .If2 = %If2.decl
-// CHECK:STDOUT:     .If3 = %If3.decl
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.import = import Core
-// CHECK:STDOUT:   %If1.decl: %If1.type = fn_decl @If1 [concrete = constants.%If1] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
-// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc11_11.1: type = splice_block %.loc11_11.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc11_11.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc11_11.3: type = converted %bool.make_type, %.loc11_11.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
-// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %If2.decl: %If2.type = fn_decl @If2 [concrete = constants.%If2] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
-// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc22_11.1: type = splice_block %.loc22_11.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc22_11.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc22_11.3: type = converted %bool.make_type, %.loc22_11.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
-// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %If3.decl: %If3.type = fn_decl @If3 [concrete = constants.%If3] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
-// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc33_11.1: type = splice_block %.loc33_11.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc33_11.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc33_11.3: type = converted %bool.make_type, %.loc33_11.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
-// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If1(%b.param: bool) -> %i32 {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
-// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc13_13.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound.ab5]
-// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc13_13.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method.9a1]
-// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc13_13.2(%int_1) [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc13_13.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc13_13.2: %i32 = converted %int_1, %.loc13_13.1 [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   return %.loc13_13.2
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   br !if.done
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.done:
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If2(%b.param: bool) -> %i32 {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   br !if.done
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
-// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc25_13.1: <bound method> = bound_method %int_2, %impl.elem0 [concrete = constants.%Convert.bound.ef9]
-// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc25_13.2: <bound method> = bound_method %int_2, %specific_fn [concrete = constants.%bound_method.b92]
-// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc25_13.2(%int_2) [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   %.loc25_13.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   %.loc25_13.2: %i32 = converted %int_2, %.loc25_13.1 [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   return %.loc25_13.2
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.done:
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If3(%b.param: bool) -> %i32 {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
-// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc35_13.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound.ab5]
-// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc35_13.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method.9a1]
-// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc35_13.2(%int_1) [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc35_13.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc35_13.2: %i32 = converted %int_1, %.loc35_13.1 [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   return %.loc35_13.2
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT: }
-// CHECK:STDOUT:

toolchain/check/testdata/if/fail_scope.carbon

@@ -1,129 +0,0 @@
-// 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/fail_scope.carbon
-// TIP: To dump output, run:
-// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/fail_scope.carbon
-
-fn VarScope(b: bool) -> i32 {
-  if (b) {
-    var n: i32 = 2;
-    return n;
-  }
-  // CHECK:STDERR: fail_scope.carbon:[[@LINE+4]]:10: error: name `n` not found [NameNotFound]
-  // CHECK:STDERR:   return n;
-  // CHECK:STDERR:          ^
-  // CHECK:STDERR:
-  return n;
-}
-
-// CHECK:STDOUT: --- fail_scope.carbon
-// CHECK:STDOUT:
-// CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
-// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
-// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
-// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
-// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
-// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
-// CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
-// CHECK:STDOUT:   %VarScope.type: type = fn_type @VarScope [concrete]
-// CHECK:STDOUT:   %VarScope: %VarScope.type = struct_value () [concrete]
-// CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
-// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
-// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
-// CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
-// CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.2, @impl.4f9(%To.c80) [symbolic]
-// CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
-// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
-// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
-// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
-// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
-// CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: imports {
-// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
-// CHECK:STDOUT:     .Bool = %Core.Bool
-// CHECK:STDOUT:     .Int = %Core.Int
-// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
-// CHECK:STDOUT:     import Core//prelude
-// CHECK:STDOUT:     import Core//prelude/...
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
-// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
-// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
-// CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: file {
-// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
-// CHECK:STDOUT:     .Core = imports.%Core
-// CHECK:STDOUT:     .VarScope = %VarScope.decl
-// CHECK:STDOUT:     .n = <poisoned>
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.import = import Core
-// CHECK:STDOUT:   %VarScope.decl: %VarScope.type = fn_decl @VarScope [concrete = constants.%VarScope] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
-// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc11_16.1: type = splice_block %.loc11_16.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc11_16.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc11_16.3: type = converted %bool.make_type, %.loc11_16.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
-// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @VarScope(%b.param: bool) -> %i32 {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   name_binding_decl {
-// CHECK:STDOUT:     %n.patt: %pattern_type.7ce = binding_pattern n [concrete]
-// CHECK:STDOUT:     %n.var_patt: %pattern_type.7ce = var_pattern %n.patt [concrete]
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %n.var: ref %i32 = var %n.var_patt
-// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
-// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc13_5.1: <bound method> = bound_method %int_2, %impl.elem0 [concrete = constants.%Convert.bound]
-// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc13_5.2: <bound method> = bound_method %int_2, %specific_fn [concrete = constants.%bound_method]
-// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc13_5.2(%int_2) [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   %.loc13_5: init %i32 = converted %int_2, %int.convert_checked [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   assign %n.var, %.loc13_5
-// CHECK:STDOUT:   %.loc13_12: type = splice_block %i32.loc13 [concrete = constants.%i32] {
-// CHECK:STDOUT:     %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %n: ref %i32 = bind_name n, %n.var
-// CHECK:STDOUT:   %n.ref.loc14: ref %i32 = name_ref n, %n
-// CHECK:STDOUT:   %.loc14: %i32 = bind_value %n.ref.loc14
-// CHECK:STDOUT:   return %.loc14
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   %n.ref.loc20: <error> = name_ref n, <error> [concrete = <error>]
-// CHECK:STDOUT:   return <error>
-// CHECK:STDOUT: }
-// CHECK:STDOUT:

toolchain/check/testdata/if/min_prelude/basics.carbon

@@ -0,0 +1,266 @@
+// 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
+//
+// EXTRA-ARGS: --dump-sem-ir-ranges=only
+// INCLUDE-FILE: toolchain/testing/min_prelude/bool.carbon
+//
+// AUTOUPDATE
+// TIP: To test this file alone, run:
+// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/if/min_prelude/basics.carbon
+// TIP: To dump output, run:
+// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/min_prelude/basics.carbon
+
+// --- else.carbon
+library "[[@TEST_NAME]]";
+
+fn F() {}
+fn G() {}
+fn H() {}
+
+//@dump-sem-ir-begin
+fn If(b: bool) {
+  if (b) {
+    F();
+  } else {
+    G();
+  }
+  H();
+}
+//@dump-sem-ir-end
+
+// --- no_else.carbon
+library "[[@TEST_NAME]]";
+
+fn F() {}
+fn G() {}
+
+//@dump-sem-ir-begin
+fn If(b: bool) {
+  if (b) {
+    F();
+  }
+  G();
+}
+//@dump-sem-ir-end
+
+// --- unreachable_fallthrough.carbon
+library "[[@TEST_NAME]]";
+
+//@dump-sem-ir-begin
+fn If(b: bool) -> bool {
+  if (b) {
+    return false;
+  } else {
+    return true;
+  }
+  // Missing return here is OK.
+}
+//@dump-sem-ir-end
+
+// --- fail_reachable_fallthrough.carbon
+library "[[@TEST_NAME]]";
+
+fn If1(b: bool) -> bool {
+  if (b) {
+    return false;
+  } else {
+  }
+// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
+// CHECK:STDERR: }
+// CHECK:STDERR: ^
+// CHECK:STDERR:
+}
+
+fn If2(b: bool) -> bool {
+  if (b) {
+  } else {
+    return true;
+  }
+// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
+// CHECK:STDERR: }
+// CHECK:STDERR: ^
+// CHECK:STDERR:
+}
+
+fn If3(b: bool) -> bool {
+  if (b) {
+    return false;
+  }
+// CHECK:STDERR: fail_reachable_fallthrough.carbon:[[@LINE+4]]:1: error: missing `return` at end of function with declared return type [MissingReturnStatement]
+// CHECK:STDERR: }
+// CHECK:STDERR: ^
+// CHECK:STDERR:
+}
+
+// --- fail_scope.carbon
+library "[[@TEST_NAME]]";
+
+fn VarScope(b: bool) -> bool {
+  if (b) {
+    var n: bool = true;
+    return n;
+  }
+  // CHECK:STDERR: fail_scope.carbon:[[@LINE+4]]:10: error: name `n` not found [NameNotFound]
+  // CHECK:STDERR:   return n;
+  // CHECK:STDERR:          ^
+  // CHECK:STDERR:
+  return n;
+}
+
+// CHECK:STDOUT: --- else.carbon
+// CHECK:STDOUT:
+// CHECK:STDOUT: constants {
+// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
+// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
+// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
+// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
+// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
+// CHECK:STDOUT:   %H.type: type = fn_type @H [concrete]
+// CHECK:STDOUT:   %H: %H.type = struct_value () [concrete]
+// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
+// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
+// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
+// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
+// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: imports {
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: file {
+// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
+// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
+// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
+// CHECK:STDOUT:   } {
+// CHECK:STDOUT:     %b.param: bool = value_param call_param0
+// CHECK:STDOUT:     %.loc8_10.1: type = splice_block %.loc8_10.3 [concrete = bool] {
+// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
+// CHECK:STDOUT:       %.loc8_10.2: type = value_of_initializer %bool.make_type [concrete = bool]
+// CHECK:STDOUT:       %.loc8_10.3: type = converted %bool.make_type, %.loc8_10.2 [concrete = bool]
+// CHECK:STDOUT:     }
+// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
+// CHECK:STDOUT:   }
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: fn @If(%b.param: bool) {
+// CHECK:STDOUT: !entry:
+// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
+// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.then:
+// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
+// CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref()
+// CHECK:STDOUT:   br !if.done
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.else:
+// CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
+// CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.ref()
+// CHECK:STDOUT:   br !if.done
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.done:
+// CHECK:STDOUT:   %H.ref: %H.type = name_ref H, file.%H.decl [concrete = constants.%H]
+// CHECK:STDOUT:   %H.call: init %empty_tuple.type = call %H.ref()
+// CHECK:STDOUT:   return
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: --- no_else.carbon
+// CHECK:STDOUT:
+// CHECK:STDOUT: constants {
+// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
+// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
+// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
+// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
+// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
+// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
+// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
+// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
+// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
+// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: imports {
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: file {
+// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
+// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
+// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
+// CHECK:STDOUT:   } {
+// CHECK:STDOUT:     %b.param: bool = value_param call_param0
+// CHECK:STDOUT:     %.loc7_10.1: type = splice_block %.loc7_10.3 [concrete = bool] {
+// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
+// CHECK:STDOUT:       %.loc7_10.2: type = value_of_initializer %bool.make_type [concrete = bool]
+// CHECK:STDOUT:       %.loc7_10.3: type = converted %bool.make_type, %.loc7_10.2 [concrete = bool]
+// CHECK:STDOUT:     }
+// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
+// CHECK:STDOUT:   }
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: fn @If(%b.param: bool) {
+// CHECK:STDOUT: !entry:
+// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
+// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.then:
+// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
+// CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref()
+// CHECK:STDOUT:   br !if.else
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.else:
+// CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
+// CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.ref()
+// CHECK:STDOUT:   return
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: --- unreachable_fallthrough.carbon
+// CHECK:STDOUT:
+// CHECK:STDOUT: constants {
+// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
+// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
+// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
+// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
+// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
+// CHECK:STDOUT:   %false: bool = bool_literal false [concrete]
+// CHECK:STDOUT:   %true: bool = bool_literal true [concrete]
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: imports {
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: file {
+// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
+// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
+// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
+// CHECK:STDOUT:     %return.patt: %pattern_type.831 = return_slot_pattern [concrete]
+// CHECK:STDOUT:     %return.param_patt: %pattern_type.831 = out_param_pattern %return.patt, call_param1 [concrete]
+// CHECK:STDOUT:   } {
+// CHECK:STDOUT:     %bool.make_type.loc4_19: init type = call constants.%Bool() [concrete = bool]
+// CHECK:STDOUT:     %.loc4_19.1: type = value_of_initializer %bool.make_type.loc4_19 [concrete = bool]
+// CHECK:STDOUT:     %.loc4_19.2: type = converted %bool.make_type.loc4_19, %.loc4_19.1 [concrete = bool]
+// CHECK:STDOUT:     %b.param: bool = value_param call_param0
+// CHECK:STDOUT:     %.loc4_10.1: type = splice_block %.loc4_10.3 [concrete = bool] {
+// CHECK:STDOUT:       %bool.make_type.loc4_10: init type = call constants.%Bool() [concrete = bool]
+// CHECK:STDOUT:       %.loc4_10.2: type = value_of_initializer %bool.make_type.loc4_10 [concrete = bool]
+// CHECK:STDOUT:       %.loc4_10.3: type = converted %bool.make_type.loc4_10, %.loc4_10.2 [concrete = bool]
+// CHECK:STDOUT:     }
+// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
+// CHECK:STDOUT:     %return.param: ref bool = out_param call_param1
+// CHECK:STDOUT:     %return: ref bool = return_slot %return.param
+// CHECK:STDOUT:   }
+// CHECK:STDOUT: }
+// CHECK:STDOUT:
+// CHECK:STDOUT: fn @If(%b.param: bool) -> bool {
+// CHECK:STDOUT: !entry:
+// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
+// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.then:
+// CHECK:STDOUT:   %false: bool = bool_literal false [concrete = constants.%false]
+// CHECK:STDOUT:   return %false
+// CHECK:STDOUT:
+// CHECK:STDOUT: !if.else:
+// CHECK:STDOUT:   %true: bool = bool_literal true [concrete = constants.%true]
+// CHECK:STDOUT:   return %true
+// CHECK:STDOUT: }
+// CHECK:STDOUT:

toolchain/check/testdata/if/no_else.carbon

@@ -1,94 +0,0 @@
-// 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/no_else.carbon
-// TIP: To dump output, run:
-// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/no_else.carbon
-
-fn F() {}
-fn G() {}
-
-fn If(b: bool) {
-  if (b) {
-    F();
-  }
-  G();
-}
-
-// CHECK:STDOUT: --- no_else.carbon
-// CHECK:STDOUT:
-// CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
-// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
-// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
-// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
-// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
-// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
-// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
-// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
-// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: imports {
-// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
-// CHECK:STDOUT:     .Bool = %Core.Bool
-// CHECK:STDOUT:     import Core//prelude
-// CHECK:STDOUT:     import Core//prelude/...
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: file {
-// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
-// CHECK:STDOUT:     .Core = imports.%Core
-// CHECK:STDOUT:     .F = %F.decl
-// CHECK:STDOUT:     .G = %G.decl
-// CHECK:STDOUT:     .If = %If.decl
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.import = import Core
-// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
-// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
-// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc14_10.1: type = splice_block %.loc14_10.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc14_10.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc14_10.3: type = converted %bool.make_type, %.loc14_10.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @F() {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @G() {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If(%b.param: bool) {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
-// CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref()
-// CHECK:STDOUT:   br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
-// CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.ref()
-// CHECK:STDOUT:   return
-// CHECK:STDOUT: }
-// CHECK:STDOUT:

toolchain/check/testdata/if/unreachable_fallthrough.carbon

@@ -1,124 +0,0 @@
-// 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/unreachable_fallthrough.carbon
-// TIP: To dump output, run:
-// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if/unreachable_fallthrough.carbon
-
-fn If(b: bool) -> i32 {
-  if (b) {
-    return 1;
-  } else {
-    return 2;
-  }
-  // Missing return here is OK.
-}
-
-// CHECK:STDOUT: --- unreachable_fallthrough.carbon
-// CHECK:STDOUT:
-// CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
-// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
-// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
-// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
-// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
-// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
-// CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
-// CHECK:STDOUT:   %If.type: type = fn_type @If [concrete]
-// CHECK:STDOUT:   %If: %If.type = struct_value () [concrete]
-// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
-// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
-// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
-// CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
-// CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.2, @impl.4f9(%To.c80) [symbolic]
-// CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
-// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
-// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
-// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
-// CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
-// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
-// CHECK:STDOUT:   %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
-// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
-// CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
-// CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
-// CHECK:STDOUT:   %bound_method.b92: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
-// CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: imports {
-// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
-// CHECK:STDOUT:     .Bool = %Core.Bool
-// CHECK:STDOUT:     .Int = %Core.Int
-// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
-// CHECK:STDOUT:     import Core//prelude
-// CHECK:STDOUT:     import Core//prelude/...
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
-// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
-// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
-// CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
-// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: file {
-// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
-// CHECK:STDOUT:     .Core = imports.%Core
-// CHECK:STDOUT:     .If = %If.decl
-// CHECK:STDOUT:   }
-// CHECK:STDOUT:   %Core.import = import Core
-// CHECK:STDOUT:   %If.decl: %If.type = fn_decl @If [concrete = constants.%If] {
-// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
-// CHECK:STDOUT:     %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param0 [concrete]
-// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
-// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
-// CHECK:STDOUT:   } {
-// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
-// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
-// CHECK:STDOUT:     %b.param: bool = value_param call_param0
-// CHECK:STDOUT:     %.loc11_10.1: type = splice_block %.loc11_10.3 [concrete = bool] {
-// CHECK:STDOUT:       %bool.make_type: init type = call constants.%Bool() [concrete = bool]
-// CHECK:STDOUT:       %.loc11_10.2: type = value_of_initializer %bool.make_type [concrete = bool]
-// CHECK:STDOUT:       %.loc11_10.3: type = converted %bool.make_type, %.loc11_10.2 [concrete = bool]
-// CHECK:STDOUT:     }
-// CHECK:STDOUT:     %b: bool = bind_name b, %b.param
-// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
-// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
-// CHECK:STDOUT:   }
-// CHECK:STDOUT: }
-// CHECK:STDOUT:
-// CHECK:STDOUT: fn @If(%b.param: bool) -> %i32 {
-// CHECK:STDOUT: !entry:
-// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
-// CHECK:STDOUT:   if %b.ref br !if.then else br !if.else
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.then:
-// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
-// CHECK:STDOUT:   %impl.elem0.loc13: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc13_13.1: <bound method> = bound_method %int_1, %impl.elem0.loc13 [concrete = constants.%Convert.bound.ab5]
-// CHECK:STDOUT:   %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc13_13.2: <bound method> = bound_method %int_1, %specific_fn.loc13 [concrete = constants.%bound_method.9a1]
-// CHECK:STDOUT:   %int.convert_checked.loc13: init %i32 = call %bound_method.loc13_13.2(%int_1) [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc13_13.1: %i32 = value_of_initializer %int.convert_checked.loc13 [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   %.loc13_13.2: %i32 = converted %int_1, %.loc13_13.1 [concrete = constants.%int_1.5d2]
-// CHECK:STDOUT:   return %.loc13_13.2
-// CHECK:STDOUT:
-// CHECK:STDOUT: !if.else:
-// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
-// CHECK:STDOUT:   %impl.elem0.loc15: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
-// CHECK:STDOUT:   %bound_method.loc15_13.1: <bound method> = bound_method %int_2, %impl.elem0.loc15 [concrete = constants.%Convert.bound.ef9]
-// CHECK:STDOUT:   %specific_fn.loc15: <specific function> = specific_function %impl.elem0.loc15, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
-// CHECK:STDOUT:   %bound_method.loc15_13.2: <bound method> = bound_method %int_2, %specific_fn.loc15 [concrete = constants.%bound_method.b92]
-// CHECK:STDOUT:   %int.convert_checked.loc15: init %i32 = call %bound_method.loc15_13.2(%int_2) [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   %.loc15_13.1: %i32 = value_of_initializer %int.convert_checked.loc15 [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   %.loc15_13.2: %i32 = converted %int_2, %.loc15_13.1 [concrete = constants.%int_2.ef8]
-// CHECK:STDOUT:   return %.loc15_13.2
-// CHECK:STDOUT: }
-// CHECK:STDOUT: