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carbon-lang/toolchain/check/testdata/if_expr/struct.carbon
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Richard Smith bc395eb889 Represent integer literals as IntLiteral not as i32. (#4532) 
When an `IntLiteral` appears as an operand of an `if` expression,
convert it to `i32` for now, so that we don't reject things like `if
cond then 1 else 2` due to having a non-constant value of type
`IntLiteral`.

For tuple indexing expressions such as `(a, b).0`, convert the index to
type `IntLiteral`, not to type `i32`. This isn't strictly necessary to
do in this PR, but avoids the need to provide an `IntLiteral` -> `i32`
implicit conversion for `no_prelude` tests using this syntax.
2024-11-15 23:24:15 +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
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/if_expr/struct.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/struct.carbon
fn G(s: {.a: i32, .b: i32});
fn F(cond: bool) {
var a: {.a: i32, .b: i32} = {.a = 1, .b = 2};
G(if cond then a else a);
}
// CHECK:STDOUT: --- struct.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %.1: type = struct_type {.a: i32, .b: i32} [template]
// CHECK:STDOUT: %G.type: type = fn_type @G [template]
// CHECK:STDOUT: %G: %G.type = struct_value () [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: %.3: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %.4: Core.IntLiteral = int_value 2 [template]
// CHECK:STDOUT: %.5: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral} [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(i32) [template]
// CHECK:STDOUT: %Convert.type.15: type = fn_type @Convert.11 [template]
// CHECK:STDOUT: %Convert.15: %Convert.type.15 = struct_value () [template]
// CHECK:STDOUT: %.29: <witness> = interface_witness (%Convert.15) [template]
// CHECK:STDOUT: %.30: <bound method> = bound_method %.3, %Convert.15 [template]
// CHECK:STDOUT: %.31: i32 = int_value 1 [template]
// CHECK:STDOUT: %.32: <bound method> = bound_method %.4, %Convert.15 [template]
// CHECK:STDOUT: %.33: i32 = int_value 2 [template]
// CHECK:STDOUT: %struct: %.1 = struct_value (%.31, %.33) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int32 = %import_ref.1
// CHECK:STDOUT: .Bool = %import_ref.2
// CHECK:STDOUT: .ImplicitAs = %import_ref.3
// 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: .G = %G.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT: %s.patt: %.1 = binding_pattern s
// CHECK:STDOUT: %s.param_patt: %.1 = value_param_pattern %s.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32.loc11_14: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc11_14.1: type = value_of_initializer %int.make_type_32.loc11_14 [template = i32]
// CHECK:STDOUT: %.loc11_14.2: type = converted %int.make_type_32.loc11_14, %.loc11_14.1 [template = i32]
// CHECK:STDOUT: %int.make_type_32.loc11_23: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc11_23.1: type = value_of_initializer %int.make_type_32.loc11_23 [template = i32]
// CHECK:STDOUT: %.loc11_23.2: type = converted %int.make_type_32.loc11_23, %.loc11_23.1 [template = i32]
// CHECK:STDOUT: %.loc11_26: type = struct_type {.a: i32, .b: i32} [template = constants.%.1]
// CHECK:STDOUT: %s.param: %.1 = value_param runtime_param0
// CHECK:STDOUT: %s: %.1 = bind_name s, %s.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %cond.patt: bool = binding_pattern cond
// CHECK:STDOUT: %cond.param_patt: bool = value_param_pattern %cond.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT: %.loc13_12.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT: %.loc13_12.2: type = converted %bool.make_type, %.loc13_12.1 [template = bool]
// CHECK:STDOUT: %cond.param: bool = value_param runtime_param0
// CHECK:STDOUT: %cond: bool = bind_name cond, %cond.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%s.param_patt: %.1);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%cond.param_patt: bool) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int.make_type_32.loc14_15: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc14_15.1: type = value_of_initializer %int.make_type_32.loc14_15 [template = i32]
// CHECK:STDOUT: %.loc14_15.2: type = converted %int.make_type_32.loc14_15, %.loc14_15.1 [template = i32]
// CHECK:STDOUT: %int.make_type_32.loc14_24: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc14_24.1: type = value_of_initializer %int.make_type_32.loc14_24 [template = i32]
// CHECK:STDOUT: %.loc14_24.2: type = converted %int.make_type_32.loc14_24, %.loc14_24.1 [template = i32]
// CHECK:STDOUT: %.loc14_27: type = struct_type {.a: i32, .b: i32} [template = constants.%.1]
// CHECK:STDOUT: %a.var: ref %.1 = var a
// CHECK:STDOUT: %a: ref %.1 = bind_name a, %a.var
// CHECK:STDOUT: %.loc14_37: Core.IntLiteral = int_value 1 [template = constants.%.3]
// CHECK:STDOUT: %.loc14_45: Core.IntLiteral = int_value 2 [template = constants.%.4]
// CHECK:STDOUT: %.loc14_46.1: %.5 = struct_literal (%.loc14_37, %.loc14_45)
// CHECK:STDOUT: %.loc14_46.2: %Convert.type.2 = interface_witness_access constants.%.29, element0 [template = constants.%Convert.15]
// CHECK:STDOUT: %.loc14_46.3: <bound method> = bound_method %.loc14_37, %.loc14_46.2 [template = constants.%.30]
// CHECK:STDOUT: %int.convert_checked.loc14_46.1: init i32 = call %.loc14_46.3(%.loc14_37) [template = constants.%.31]
// CHECK:STDOUT: %.loc14_46.4: init i32 = converted %.loc14_37, %int.convert_checked.loc14_46.1 [template = constants.%.31]
// CHECK:STDOUT: %.loc14_46.5: ref i32 = struct_access %a.var, element0
// CHECK:STDOUT: %.loc14_46.6: init i32 = initialize_from %.loc14_46.4 to %.loc14_46.5 [template = constants.%.31]
// CHECK:STDOUT: %.loc14_46.7: %Convert.type.2 = interface_witness_access constants.%.29, element0 [template = constants.%Convert.15]
// CHECK:STDOUT: %.loc14_46.8: <bound method> = bound_method %.loc14_45, %.loc14_46.7 [template = constants.%.32]
// CHECK:STDOUT: %int.convert_checked.loc14_46.2: init i32 = call %.loc14_46.8(%.loc14_45) [template = constants.%.33]
// CHECK:STDOUT: %.loc14_46.9: init i32 = converted %.loc14_45, %int.convert_checked.loc14_46.2 [template = constants.%.33]
// CHECK:STDOUT: %.loc14_46.10: ref i32 = struct_access %a.var, element1
// CHECK:STDOUT: %.loc14_46.11: init i32 = initialize_from %.loc14_46.9 to %.loc14_46.10 [template = constants.%.33]
// CHECK:STDOUT: %.loc14_46.12: init %.1 = struct_init (%.loc14_46.6, %.loc14_46.11) to %a.var [template = constants.%struct]
// CHECK:STDOUT: %.loc14_47: init %.1 = converted %.loc14_46.1, %.loc14_46.12 [template = constants.%struct]
// CHECK:STDOUT: assign %a.var, %.loc14_47
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [template = constants.%G]
// CHECK:STDOUT: %cond.ref: bool = name_ref cond, %cond
// CHECK:STDOUT: if %cond.ref br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT: %a.ref.loc15_18: ref %.1 = name_ref a, %a
// CHECK:STDOUT: %.loc15_18.1: ref i32 = struct_access %a.ref.loc15_18, element0
// CHECK:STDOUT: %.loc15_18.2: i32 = bind_value %.loc15_18.1
// CHECK:STDOUT: %.loc15_18.3: ref i32 = struct_access %a.ref.loc15_18, element1
// CHECK:STDOUT: %.loc15_18.4: i32 = bind_value %.loc15_18.3
// CHECK:STDOUT: %struct.loc15_18: %.1 = struct_value (%.loc15_18.2, %.loc15_18.4)
// CHECK:STDOUT: %.loc15_18.5: %.1 = converted %a.ref.loc15_18, %struct.loc15_18
// CHECK:STDOUT: br !if.expr.result(%.loc15_18.5)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT: %a.ref.loc15_25: ref %.1 = name_ref a, %a
// CHECK:STDOUT: %.loc15_25.1: ref i32 = struct_access %a.ref.loc15_25, element0
// CHECK:STDOUT: %.loc15_25.2: i32 = bind_value %.loc15_25.1
// CHECK:STDOUT: %.loc15_25.3: ref i32 = struct_access %a.ref.loc15_25, element1
// CHECK:STDOUT: %.loc15_25.4: i32 = bind_value %.loc15_25.3
// CHECK:STDOUT: %struct.loc15_25: %.1 = struct_value (%.loc15_25.2, %.loc15_25.4)
// CHECK:STDOUT: %.loc15_20: %.1 = converted %a.ref.loc15_25, %struct.loc15_25
// CHECK:STDOUT: br !if.expr.result(%.loc15_20)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT: %.loc15_5: %.1 = block_arg !if.expr.result
// CHECK:STDOUT: %G.call: init %empty_tuple.type = call %G.ref(%.loc15_5)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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