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510 lines
15 KiB
Swift
510 lines
15 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %target-swift-emit-ir -target %target-future-triple -min-runtime-version 6.0 %t/test.swift -I %t/Inputs -enable-experimental-cxx-interop | %FileCheck %s
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// RUN: %target-swift-emit-ir -target %target-future-triple -min-runtime-version 6.0 %t/test.swift -I %t/Inputs -enable-experimental-cxx-interop -g | %FileCheck --check-prefix=DEBUG %s
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// RUN: %target-swift-emit-ir -target %target-triple -min-runtime-version 5.9 %t/test.swift -I %t/Inputs -enable-experimental-cxx-interop | %FileCheck --check-prefix=GXX %s
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// RUN: %target-swift-emit-ir -target %target-triple -min-runtime-version 5.9 %t/test.swift -I %t/Inputs -enable-experimental-cxx-interop -g | %FileCheck --check-prefix=GXX %s
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// UNSUPPORTED: OS=windows-msvc
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//--- Inputs/module.modulemap
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module CxxModule {
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header "cxxHeader.h"
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requires cplusplus
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}
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//--- Inputs/cxxHeader.h
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inline int freeFunctionThrows(int x) {
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if (x > 0)
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throw 2;
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return -x;
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}
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inline int freeFunctionNoThrow(int x) noexcept {
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return -x;
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}
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inline int freeFunctionCatchesException(int x) {
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try {
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return freeFunctionThrows(x);
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} catch (...) {
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return x;
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}
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}
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class TestClass {
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int m = 0;
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public:
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int method(int x) const {
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return freeFunctionThrows(x);
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}
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int noExceptMethod(int x) noexcept {
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return freeFunctionNoThrow(x);
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}
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};
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template<class T>
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struct IsNoExcept { const static bool value = false; };
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template<>
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struct IsNoExcept<int> { const static bool value = true; };
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template<class T>
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class TestTemplate {
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int m = 0;
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public:
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void method(T x) const {
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throw x;
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}
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void noExceptMethod() noexcept {
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}
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void dependentNoExceptMethod() noexcept(IsNoExcept<T>::value) {
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if (!IsNoExcept<T>::value)
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throw 2;
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}
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};
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using TestTemplateInt = TestTemplate<int>;
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using TestTemplateBool = TestTemplate<bool>;
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using TestFunctionTy = int (* _Nonnull)(int);
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inline TestFunctionTy getFreeFunctionThrowsPtr() noexcept {
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return &freeFunctionThrows;
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}
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extern "C" {
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typedef void ( * _Nonnull CFreeFunctionTy)(void);
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CFreeFunctionTy getCFreeFunctionPointer() noexcept;
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}
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class ClassWithSubscript {
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int m = 0;
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public:
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int operator[](int x) const {
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return freeFunctionThrows(x);
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}
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};
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class ClassWithDestructor {
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int m = 0;
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public:
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#if __is_target_os(windows)
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// On windows, force this type to be address-only.
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inline ClassWithDestructor() noexcept {}
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inline ClassWithDestructor(const ClassWithDestructor &other) noexcept : m(other.m) {}
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#endif
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inline ~ClassWithDestructor() {
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(void)freeFunctionNoThrow(0);
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}
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};
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class ClassWithThrowingDestructor {
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int m = 0;
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public:
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#if __is_target_os(windows)
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// On windows, force this type to be address-only.
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inline ClassWithThrowingDestructor() noexcept {}
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inline ClassWithThrowingDestructor(const ClassWithThrowingDestructor &other) noexcept : m(other.m) {}
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#endif
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inline ~ClassWithThrowingDestructor() noexcept(false) {
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throw 2;
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}
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};
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class ClassWithCopyConstructor {
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public:
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int m = 0;
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inline ClassWithCopyConstructor() noexcept {}
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inline ClassWithCopyConstructor(const ClassWithCopyConstructor &) noexcept { (void)freeFunctionNoThrow(0); }
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};
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class ClassWithThrowingCopyConstructor {
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public:
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int m = 0;
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inline ClassWithThrowingCopyConstructor() noexcept {}
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inline ClassWithThrowingCopyConstructor(const ClassWithThrowingCopyConstructor &) { throw 2; }
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};
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class ClassWithThrowingConstructor {
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public:
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int m = 0;
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inline ClassWithThrowingConstructor() { throw 2; }
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};
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class ClassWithNoThrowingConstructor {
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public:
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int m = 0;
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inline ClassWithNoThrowingConstructor() noexcept {}
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};
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struct StructWithDefaultConstructor {
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StructWithDefaultConstructor() = default;
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int m = 0;
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};
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struct NonTrivial {
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NonTrivial() noexcept;
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NonTrivial(const NonTrivial &other) noexcept;
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~NonTrivial() {}
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};
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struct StructWithDefaultCopyConstructor {
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StructWithDefaultCopyConstructor() noexcept {}
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StructWithDefaultCopyConstructor(const StructWithDefaultCopyConstructor &) = default;
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int m = 0;
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NonTrivial _nonTrivialPoison;
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};
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struct StructWithDefaultDestructor {
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StructWithDefaultDestructor() noexcept {}
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~StructWithDefaultDestructor() = default;
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int m = 0;
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NonTrivial _nonTrivialPoison;
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};
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//--- test.swift
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import CxxModule
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func makeCInt() -> CInt {
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return 42
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}
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func testFreeFunctionNoThrowOnly() -> CInt {
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return freeFunctionNoThrow(makeCInt())
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}
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func testFreeFunctionCalls() -> CInt {
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let p = freeFunctionThrows(0)
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freeFunctionNoThrow(1)
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freeFunctionThrows(makeCInt())
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return p
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}
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func testMethodCalls() -> CInt {
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var v = TestClass()
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let p = v.method(makeCInt())
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v.noExceptMethod(1)
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v.method(0)
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return p
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}
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func testTemplateCalls() {
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var v1 = TestTemplateInt()
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v1.method(2)
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v1.noExceptMethod()
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v1.dependentNoExceptMethod()
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var v2 = TestTemplateBool()
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v2.method(false)
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v2.noExceptMethod()
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v2.dependentNoExceptMethod()
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}
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func testFuncPtrCall() {
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let funcPtr = getFreeFunctionThrowsPtr()
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let _ = funcPtr(2)
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}
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func testCFuncPtrCall() {
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let funcPtr = getCFreeFunctionPointer()
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funcPtr()
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}
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protocol TestMethodProtocol {
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func method(_ x: CInt) -> CInt
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}
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extension TestClass: TestMethodProtocol {
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}
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func testProtocolConformanceThunkInvoke() {
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let v = TestClass()
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let p: TestMethodProtocol = v
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let _ = p.method(2)
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}
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func testSubscriptThunkInvoke() -> CInt {
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let v = ClassWithSubscript()
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return v[0]
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}
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func testClassWithDestructor() {
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let _ = ClassWithDestructor()
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}
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func testClassWithThrowingDestructor() {
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let _ = ClassWithThrowingDestructor()
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}
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func testClassWithCopyConstructor() -> CInt {
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let p1 = ClassWithCopyConstructor()
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let p2 = p1
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return p2.m
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}
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func testClassWithThrowingCopyConstructor() -> CInt {
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let p1 = ClassWithThrowingCopyConstructor()
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let p2 = p1
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return p2.m
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}
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func testClassWithThrowingConstructor() -> CInt {
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let obj = ClassWithThrowingConstructor()
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return obj.m
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}
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func testClassWithNoThrowingConstructor() -> CInt {
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let obj = ClassWithNoThrowingConstructor()
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return obj.m
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}
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func testStructWithDefaultConstructor() -> StructWithDefaultConstructor {
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return StructWithDefaultConstructor()
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}
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func testStructWithDefaultCopyConstructor() -> CInt {
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var s = StructWithDefaultCopyConstructor()
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let copy = s
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return s.m
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}
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func testStructWithDefaultDestructor() -> CInt {
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let s = StructWithDefaultDestructor()
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let result = s.m
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return result
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}
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public func test() {
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let _ = testFreeFunctionNoThrowOnly()
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let _ = testFreeFunctionCalls()
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let _ = testMethodCalls()
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testTemplateCalls()
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testFuncPtrCall()
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testCFuncPtrCall()
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testProtocolConformanceThunkInvoke()
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let _ = testSubscriptThunkInvoke()
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testClassWithDestructor()
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testClassWithThrowingDestructor()
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let _ = testClassWithCopyConstructor()
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let _ = testClassWithThrowingCopyConstructor()
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let _ = testClassWithThrowingConstructor()
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let _ = testClassWithNoThrowingConstructor()
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let _ = testStructWithDefaultConstructor()
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let _ = testStructWithDefaultCopyConstructor()
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let _ = testStructWithDefaultDestructor()
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}
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// CHECK: define {{.*}} @"$s4test0A23FreeFunctionNoThrowOnlys5Int32VyF"() #[[#SWIFTMETA:]] {
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// CHECK-NEXT: :
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// CHECK-NEXT: call swiftcc i32 @"$s4test8makeCInts5Int32VyF"()
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// CHECK-NEXT: call i32 @_Z19freeFunctionNoThrowi(i32 {{.*}})
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// CHECK-NEXT: ret i32
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// CHECK-NEXT: }
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// CHECK: define {{.*}} @"$s4test0A17FreeFunctionCallss5Int32VyF"() #[[#SWIFTUWMETA:]] personality ptr @_swift_exceptionPersonality
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// CHECK: invoke i32 @_Z18freeFunctionThrowsi(i32 0)
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// CHECK-NEXT: to label %[[CONT1:.*]] unwind label %[[UNWIND1:.*]]
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// CHECK-EMPTY:
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// CHECK: [[CONT1]]:
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// CHECK: call i32 @_Z19freeFunctionNoThrowi(i32 1)
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// CHECK-NEXT: %[[V1:.*]] = call swiftcc i32 @"$s4test8makeCInts5Int32VyF"()
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// CHECK-NEXT: invoke i32 @_Z18freeFunctionThrowsi(i32 %[[V1]])
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// CHECK-NEXT: to label %[[CONT2:.*]] unwind label %[[UNWIND2:.*]]
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// CHECK-EMPTY:
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// CHECK: [[CONT2]]:
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// CHECK: ret
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND1]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND2]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-NEXT: }
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// CHECK: i32 @_swift_exceptionPersonality(i32, i32, i64, ptr, ptr)
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// CHECK: define {{.*}} @"$s4test0A11MethodCallss5Int32VyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: call swiftcc i32 @"$s4test8makeCInts5Int32VyF"()
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// CHECK: invoke i32 @_ZNK9TestClass6methodEi
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// CHECK-NEXT: to label %[[CONT3:.*]] unwind label %[[UNWIND3:.*]]
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// CHECK: [[CONT3]]:
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// CHECK: call i32 @_ZN9TestClass14noExceptMethodEi
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// CHECK: invoke i32 @_ZNK9TestClass6methodEi
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// CHECK-NEXT: to label %[[CONT4:.*]] unwind label %[[UNWIND4:.*]]
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// CHECK: [[CONT4]]:
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// CHECK: ret
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND3]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND4]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-NEXT: }
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// CHECK: define {{.*}} @"$s4test0A13TemplateCallsyyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: invoke void @_ZNK12TestTemplateIiE6methodEi
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// CHECK-NEXT: to label %[[CONT10:.*]] unwind label
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// CHECK: [[CONT10]]:
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// CHECK: call void @_ZN12TestTemplateIiE14noExceptMethodEv
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// CHECK: call void @_ZN12TestTemplateIiE23dependentNoExceptMethodEv
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// CHECK: invoke void @_ZNK12TestTemplateIbE6methodEb
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// CHECK-NEXT: to label %[[CONT11:.*]] unwind label
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// CHECK: [[CONT11]]:
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// CHECK: call void @_ZN12TestTemplateIbE14noExceptMethodEv
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// CHECK: invoke void @_ZN12TestTemplateIbE23dependentNoExceptMethodEv
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// CHECK-NEXT: to label %[[CONT12:.*]] unwind label
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// CHECK: [[CONT12]]:
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// CHECK: ret
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// CHECK: define {{.*}} @"$s4test0A11FuncPtrCallyyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: call ptr @_Z24getFreeFunctionThrowsPtrv()
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// CHECK: invoke i32 %{{.*}}(i32 2)
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// CHECK-NEXT: to label %[[CONT20:.*]] unwind label %{{.*}}
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// CHECK: [[CONT20]]:
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// CHECK-NEXT: ret void
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// CHECK: define {{.*}} @"$s4test0A12CFuncPtrCallyyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: call ptr @getCFreeFunctionPointer()
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// CHECK: invoke void %{{.*}}()
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// CHECK-NEXT: to label %[[CONT21:.*]] unwind label %{{.*}}
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// CHECK: [[CONT21]]:
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// CHECK-NEXT: ret void
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// CHECK: define {{.*}} @"$sSo9TestClassV4test0A14MethodProtocolA2cDP6methodys5Int32VAHFTW"({{.*}}) #[[#SWIFTUWMETA]] personality
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// CHECK: invoke i32 @_ZNK9TestClass6methodEi({{.*}})
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// CHECK-NEXT: to label %[[CONT30:.*]] unwind label %[[UNWIND30:.*]]
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// CHECK: [[CONT30]]:
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// CHECK-NEXT: ret i32
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND30]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-NEXT: }
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// CHECK: define {{.*}} @"$s4test0A30ProtocolConformanceThunkInvokeyyF"() #[[#SWIFTMETA]]
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A20SubscriptThunkInvokes5Int32VyF"() #[[#SWIFTUWMETA]]
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// CHECK: invoke i32 @_ZNK18ClassWithSubscriptixEi
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// CHECK: define {{.*}} @"$s4test0A19ClassWithDestructoryyF"() #[[#SWIFTMETA]]
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A27ClassWithThrowingDestructoryyF"() #[[#SWIFTUWMETA]]
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// CHECK: invoke {{.*}} @_ZN27ClassWithThrowingDestructorD{{.*}}(
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// CHECK-NEXT: to label %[[CONT40:.*]] unwind label %[[UNWIND40:.*]]
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// CHECK: [[CONT40]]:
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// CHECK: ret void
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// CHECK-EMPTY:
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// CHECK-NEXT: [[UNWIND40]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK-NEXT: }
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// CHECK: define {{.*}} @"$s4test0A24ClassWithCopyConstructors5Int32VyF"() #[[#SWIFTMETA]]
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A32ClassWithThrowingCopyConstructors5Int32VyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: invoke {{.*}} @_ZN32ClassWithThrowingCopyConstructorC{{1|2}}ERKS_(
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// CHECK-NEXT: to label %[[CONT41:.*]] unwind label %[[UNWIND41:.*]]
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// CHECK: [[UNWIND41]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK: define {{.*}} @"$s4test0A28ClassWithThrowingConstructors5Int32VyF"() #[[#SWIFTUWMETA]] personality
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// CHECK: invoke {{.*}} @_ZN28ClassWithThrowingConstructorC{{.*}}(ptr %[[#CONSTRUCTORTHIS:]])
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// CHECK-NEXT: to label %[[CONT42:.*]] unwind label %[[UNWIND42:.*]]
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// CHECK: [[UNWIND42]]:
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// CHECK-NEXT: landingpad { ptr, i32 }
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// CHECK-NEXT: catch ptr null
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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// CHECK: define {{.*}} @"$s4test0A30ClassWithNoThrowingConstructors5Int32VyF"() #[[#SWIFTMETA]]
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A28StructWithDefaultConstructorSo0bcdE0VyF"() #[[#SWIFTMETA]] {
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A32StructWithDefaultCopyConstructors5Int32VyF"() #[[#SWIFTMETA]] {
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: define {{.*}} @"$s4test0A27StructWithDefaultDestructors5Int32VyF"() #[[#SWIFTMETA]] {
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// CHECK-NOT: invoke
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// CHECK: }
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// CHECK: attributes #[[#SWIFTMETA]] = {
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// CHECK: attributes #[[#SWIFTUWMETA]] = {
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// CHECK-SAME: uwtable
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// DEBUG: define {{.*}} @"$s4test0A17FreeFunctionCallss5Int32VyF"()
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// DEBUG: invoke i32 @_Z18freeFunctionThrowsi(i32 0)
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// DEBUG-NEXT: to label %[[CONT1:.*]] unwind label %[[UNWIND1:.*]], !dbg ![[#DEBUGLOC_FREEFUNCTIONTHROWS1:]]
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// DEBUG-EMPTY:
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// DEBUG: [[CONT1]]:
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// DEBUG: call i32 @_Z19freeFunctionNoThrowi(i32 1)
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// DEBUG-NEXT: %[[V1:.*]] = call swiftcc i32 @"$s4test8makeCInts5Int32VyF"()
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// DEBUG-NEXT: invoke i32 @_Z18freeFunctionThrowsi(i32 %[[V1]])
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// DEBUG-NEXT: to label %[[CONT2:.*]] unwind label %[[UNWIND2:.*]], !dbg ![[#DEBUGLOC_FREEFUNCTIONTHROWS2:]]
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// DEBUG-EMPTY:
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// DEBUG: [[CONT2]]:
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// DEBUG: ret
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// DEBUG-EMPTY:
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// DEBUG-NEXT: [[UNWIND1]]:
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// DEBUG-NEXT: landingpad { ptr, i32 }
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|
// DEBUG-NEXT: catch ptr null, !dbg ![[#DEBUGLOC_FREEFUNCTIONTHROWS1]]
|
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// DEBUG-NEXT: call void @llvm.trap(), !dbg ![[#DEBUGLOC_TRAP1:]]
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|
// DEBUG-NEXT: unreachable, !dbg ![[#DEBUGLOC_TRAP1]]
|
|
// DEBUG-EMPTY:
|
|
// DEBUG-NEXT: [[UNWIND2]]:
|
|
// DEBUG-NEXT: landingpad { ptr, i32 }
|
|
// DEBUG-NEXT: catch ptr null, !dbg ![[#DEBUGLOC_FREEFUNCTIONTHROWS2]]
|
|
// DEBUG-NEXT: call void @llvm.trap(), !dbg ![[#DEBUGLOC_TRAP2:]]
|
|
// DEBUG-NEXT: unreachable, !dbg ![[#DEBUGLOC_TRAP2]]
|
|
// DEBUG-NEXT: }
|
|
|
|
// DEBUG: ![[#DEBUGLOC_FREEFUNCTIONTHROWS1]] = !DILocation(line: 13, column: 11,
|
|
// DEBUG: ![[#DEBUGLOC_FREEFUNCTIONTHROWS2]] = !DILocation(line: 15, column: 3,
|
|
// DEBUG: ![[#DEBUGLOC_TRAP1]] = !DILocation(line: 0, scope: ![[#TRAPSCOPE:]], inlinedAt: ![[#DEBUGLOC_FREEFUNCTIONTHROWS1]])
|
|
// DEBUG: ![[#TRAPSCOPE]] = distinct !DISubprogram(name: "Swift runtime failure: unhandled C++{{ / Objective-C | }}exception"
|
|
// DEBUG: ![[#DEBUGLOC_TRAP2]] = !DILocation(line: 0, scope: ![[#TRAPSCOPE]], inlinedAt: ![[#DEBUGLOC_FREEFUNCTIONTHROWS2]])
|
|
|
|
// GXX: __gxx_personality_v0
|
|
// GXX-NOT: _swift_exceptionPersonality
|