Files
carbon-lang/toolchain/semantics/testdata/function/call/empty_struct.carbon
T
Jon Ross-Perkins 76151d1fff Stop special-casing empty structs. (#2849)
This removes special-casing of empty structs, handling them as just a regular value instead of a builtin. Note the `{} as Type` is still special-cased.

In lowering, removes the test of calling a function using `{}` because it's missing the proper load/store. This setup notices that error whereas the prior worked due to said special-casing. Fixing this will need to be done as part of generally adding loads for variable uses.
2023-05-26 10:33:17 -07:00

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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
// CHECK:STDOUT: cross_reference_irs_size: 1
// CHECK:STDOUT: callables: [
// CHECK:STDOUT: {param_refs: block2, return_type: node+4},
// CHECK:STDOUT: {param_refs: block0},
// CHECK:STDOUT: ]
// CHECK:STDOUT: integer_literals: [
// CHECK:STDOUT: ]
// CHECK:STDOUT: real_literals: [
// CHECK:STDOUT: ]
// CHECK:STDOUT: strings: [
// CHECK:STDOUT: a,
// CHECK:STDOUT: Echo,
// CHECK:STDOUT: Main,
// CHECK:STDOUT: ]
// CHECK:STDOUT: types: [
// CHECK:STDOUT: node+0,
// CHECK:STDOUT: node+4,
// CHECK:STDOUT: node+10,
// CHECK:STDOUT: ]
// CHECK:STDOUT: nodes: [
// CHECK:STDOUT: {kind: StructType, arg0: block0, type: nodeTypeType},
// CHECK:STDOUT: {kind: StructValue, arg0: block0, type: node+0},
// CHECK:STDOUT: {kind: VarStorage, type: node+0},
// CHECK:STDOUT: {kind: BindName, arg0: str0, arg1: node+2, type: node+0},
// CHECK:STDOUT: {kind: StructType, arg0: block0, type: nodeTypeType},
// CHECK:STDOUT: {kind: StructValue, arg0: block0, type: node+4},
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: str1, arg1: callable0},
// CHECK:STDOUT: {kind: ReturnExpression, arg0: node+2, type: node+0},
// CHECK:STDOUT: {kind: FunctionDefinition, arg0: node+6, arg1: block4},
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: str2, arg1: callable1},
// CHECK:STDOUT: {kind: StructType, arg0: block0, type: nodeTypeType},
// CHECK:STDOUT: {kind: StructValue, arg0: block0, type: node+10},
// CHECK:STDOUT: {kind: StubReference, arg0: node+11, type: node+10},
// CHECK:STDOUT: {kind: Call, arg0: block6, arg1: callable0, type: node+4},
// CHECK:STDOUT: {kind: FunctionDefinition, arg0: node+9, arg1: block5},
// CHECK:STDOUT: ]
// CHECK:STDOUT: node_blocks: [
// CHECK:STDOUT: [
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+0,
// CHECK:STDOUT: node+1,
// CHECK:STDOUT: node+2,
// CHECK:STDOUT: node+3,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+3,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+4,
// CHECK:STDOUT: node+5,
// CHECK:STDOUT: node+6,
// CHECK:STDOUT: node+8,
// CHECK:STDOUT: node+9,
// CHECK:STDOUT: node+14,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+7,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+10,
// CHECK:STDOUT: node+11,
// CHECK:STDOUT: node+12,
// CHECK:STDOUT: node+13,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+12,
// CHECK:STDOUT: ],
// CHECK:STDOUT: ]
fn Echo(a: {}) -> {} {
return a;
}
fn Main() {
Echo({});
}