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Add more extern "C" tests (#6232)
Add tests in `check`. Add overload set tests in `lower`. Part of #6233.
This commit is contained in:
Boaz Brickner
@@ -0,0 +1,237 @@
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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/extern_c.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/extern_c.carbon
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// --- extern_c_function.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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extern "C" void foo();
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''';
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fn MyF() {
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//@dump-sem-ir-begin
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Cpp.foo();
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//@dump-sem-ir-end
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}
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// --- extern_c_function_with_cpp_overload_set.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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extern "C" void foo();
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void foo(int x);
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''';
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fn MyF() {
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//@dump-sem-ir-begin
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Cpp.foo();
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Cpp.foo(5);
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//@dump-sem-ir-end
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}
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// --- extern_c_variable.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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extern "C" int foo;
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''';
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fn MyF() -> i32 {
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//@dump-sem-ir-begin
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return Cpp.foo;
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//@dump-sem-ir-end
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}
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// --- extern_c_with_special_name.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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struct X {};
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extern "C" X operator+(X, X);
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''';
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fn MyF(a: Cpp.X, b: Cpp.X) -> Cpp.X {
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//@dump-sem-ir-begin
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return a + b;
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- extern_c_function.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
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// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
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// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
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// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
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// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @MyF() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
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// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl()
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- extern_c_function_with_cpp_overload_set.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
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// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
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// CHECK:STDOUT: %foo.type.a5abd1.1: type = fn_type @foo.1 [concrete]
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// CHECK:STDOUT: %foo.23ea43.1: %foo.type.a5abd1.1 = struct_value () [concrete]
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// CHECK:STDOUT: %int_5.64b: Core.IntLiteral = int_value 5 [concrete]
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
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// CHECK:STDOUT: %foo.type.a5abd1.2: type = fn_type @foo.2 [concrete]
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// CHECK:STDOUT: %foo.23ea43.2: %foo.type.a5abd1.2 = struct_value () [concrete]
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// CHECK:STDOUT: %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
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// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
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// CHECK:STDOUT: %To: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340 = struct_value () [symbolic]
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// CHECK:STDOUT: %ImplicitAs.impl_witness.204: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.9e9, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584 = struct_value () [concrete]
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// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.204) [concrete]
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// CHECK:STDOUT: %.1df: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_5.64b, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0 [concrete]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
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// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_5.64b, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
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// CHECK:STDOUT: %int_5.0f6: %i32 = int_value 5 [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
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// CHECK:STDOUT: %foo.decl.bd967b.1: %foo.type.a5abd1.1 = fn_decl @foo.1 [concrete = constants.%foo.23ea43.1] {} {}
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// CHECK:STDOUT: %foo.decl.bd967b.2: %foo.type.a5abd1.2 = fn_decl @foo.2 [concrete = constants.%foo.23ea43.2] {
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import_ref.ee7: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0)]
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// CHECK:STDOUT: %ImplicitAs.impl_witness_table.9e9 = impl_witness_table (%Core.import_ref.ee7), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @MyF() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Cpp.ref.loc11: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %foo.ref.loc11: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
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// CHECK:STDOUT: %foo.call.loc11: init %empty_tuple.type = call imports.%foo.decl.bd967b.1()
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// CHECK:STDOUT: %Cpp.ref.loc12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %foo.ref.loc12: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
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// CHECK:STDOUT: %int_5: Core.IntLiteral = int_value 5 [concrete = constants.%int_5.64b]
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// CHECK:STDOUT: %impl.elem0: %.1df = impl_witness_access constants.%ImplicitAs.impl_witness.204, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0]
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// CHECK:STDOUT: %bound_method.loc12_11.1: <bound method> = bound_method %int_5, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
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// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
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// CHECK:STDOUT: %bound_method.loc12_11.2: <bound method> = bound_method %int_5, %specific_fn [concrete = constants.%bound_method]
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// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc12_11.2(%int_5) [concrete = constants.%int_5.0f6]
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// CHECK:STDOUT: %.loc12_11.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_5.0f6]
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// CHECK:STDOUT: %.loc12_11.2: %i32 = converted %int_5, %.loc12_11.1 [concrete = constants.%int_5.0f6]
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// CHECK:STDOUT: %foo.call.loc12: init %empty_tuple.type = call imports.%foo.decl.bd967b.2(%.loc12_11.2)
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- extern_c_variable.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
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// CHECK:STDOUT: %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
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// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
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// CHECK:STDOUT: %Copy.Op.type: type = fn_type @Copy.Op [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.afd: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.6cd: %Int.as.Copy.impl.Op.type.afd = struct_value () [symbolic]
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// CHECK:STDOUT: %Copy.impl_witness.a32: <witness> = impl_witness imports.%Copy.impl_witness_table.1ed, @Int.as.Copy.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.276: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.f59: %Int.as.Copy.impl.Op.type.276 = struct_value () [concrete]
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// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.a32) [concrete]
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// CHECK:STDOUT: %.7fa: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.f59, @Int.as.Copy.impl.Op(%int_32) [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .foo = %foo.var
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %foo.var: ref %i32 = var %foo.var_patt [concrete]
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// CHECK:STDOUT: %Core.import_ref.d0f6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.afd) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.6cd)]
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// CHECK:STDOUT: %Copy.impl_witness_table.1ed = impl_witness_table (%Core.import_ref.d0f6), @Int.as.Copy.impl [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @MyF() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: %foo.ref: ref %i32 = name_ref foo, imports.%foo.var [concrete = imports.%foo.var]
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// CHECK:STDOUT: %.loc10: %i32 = bind_value %foo.ref
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// CHECK:STDOUT: %impl.elem0: %.7fa = impl_witness_access constants.%Copy.impl_witness.a32, element0 [concrete = constants.%Int.as.Copy.impl.Op.f59]
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// CHECK:STDOUT: %bound_method.loc10_13.1: <bound method> = bound_method %.loc10, %impl.elem0
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// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
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// CHECK:STDOUT: %bound_method.loc10_13.2: <bound method> = bound_method %.loc10, %specific_fn
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// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc10_13.2(%.loc10)
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// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call to %return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- extern_c_with_special_name.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %X: type = class_type @X [concrete]
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %ptr.1f9: type = ptr_type %X [concrete]
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// CHECK:STDOUT: %operator+__carbon_thunk.type: type = fn_type @operator+__carbon_thunk [concrete]
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// CHECK:STDOUT: %operator+__carbon_thunk: %operator+__carbon_thunk.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %operator+__carbon_thunk.decl: %operator+__carbon_thunk.type = fn_decl @operator+__carbon_thunk [concrete = constants.%operator+__carbon_thunk] {
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @MyF(%a.param: %X, %b.param: %X) -> %return.param: %X {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %a.ref: %X = name_ref a, %a
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// CHECK:STDOUT: %b.ref: %X = name_ref b, %b
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: %.loc11_10: ref %X = value_as_ref %a.ref
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// CHECK:STDOUT: %addr.loc11_12.1: %ptr.1f9 = addr_of %.loc11_10
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// CHECK:STDOUT: %.loc11_14: ref %X = value_as_ref %b.ref
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// CHECK:STDOUT: %addr.loc11_12.2: %ptr.1f9 = addr_of %.loc11_14
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// CHECK:STDOUT: %addr.loc11_12.3: %ptr.1f9 = addr_of %.loc9_28
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// CHECK:STDOUT: %operator+__carbon_thunk.call: init %empty_tuple.type = call imports.%operator+__carbon_thunk.decl(%addr.loc11_12.1, %addr.loc11_12.2, %addr.loc11_12.3)
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// CHECK:STDOUT: %.loc11_12: init %X = in_place_init %operator+__carbon_thunk.call, %.loc9_28
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// CHECK:STDOUT: return %.loc11_12 to %return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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@@ -28,6 +28,24 @@ fn MyF() {
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Cpp.foo();
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}
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// ============================================================================
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// Overload set of extern "C" function and a C++ function
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// ============================================================================
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// --- extern_c_function_with_cpp_overload_set.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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extern "C" void foo();
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void foo(int x);
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''';
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fn MyF() {
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Cpp.foo();
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Cpp.foo(5);
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}
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// ============================================================================
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// extern "C" variable
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// ============================================================================
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@@ -112,6 +130,38 @@ fn MyF() {
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// CHECK:STDOUT: !9 = !{}
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// CHECK:STDOUT: !10 = !DILocation(line: 7, column: 3, scope: !7)
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// CHECK:STDOUT: !11 = !DILocation(line: 6, column: 1, scope: !7)
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// CHECK:STDOUT: ; ModuleID = 'extern_c_function_with_cpp_overload_set.carbon'
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// CHECK:STDOUT: source_filename = "extern_c_function_with_cpp_overload_set.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @_CMyF.Main() !dbg !7 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @foo(), !dbg !10
|
||||
// CHECK:STDOUT: call void @_Z3fooi(i32 5), !dbg !11
|
||||
// CHECK:STDOUT: ret void, !dbg !12
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @foo()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z3fooi(i32)
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
|
||||
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
|
||||
// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
|
||||
// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !6 = !DIFile(filename: "extern_c_function_with_cpp_overload_set.carbon", directory: "")
|
||||
// CHECK:STDOUT: !7 = distinct !DISubprogram(name: "MyF", linkageName: "_CMyF.Main", scope: null, file: !6, line: 9, type: !8, spFlags: DISPFlagDefinition, unit: !5)
|
||||
// CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
|
||||
// CHECK:STDOUT: !9 = !{}
|
||||
// CHECK:STDOUT: !10 = !DILocation(line: 10, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !11 = !DILocation(line: 11, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !12 = !DILocation(line: 9, column: 1, scope: !7)
|
||||
// CHECK:STDOUT: ; ModuleID = 'import_extern_c_variable.carbon'
|
||||
// CHECK:STDOUT: source_filename = "import_extern_c_variable.carbon"
|
||||
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
|
||||
|
||||
Reference in New Issue
Block a user