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80f38be3b8
Swift-to-C++ thunk printing for functions didn’t really take into account Swift’s `Never` type. This type maps to `SWIFT_NORETURN`, but it also requires other tweaks to code generation, such as omitting the `return` keyword. (Removing that requires minor changes to many tests.) Fixes rdar://124137073.
38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %S/swift-functions.swift -typecheck -module-name Functions -clang-header-expose-decls=all-public -emit-clang-header-path %t/functions.h
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// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-functions-execution.o -g
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// RUN: %target-interop-build-swift %S/swift-functions.swift -o %t/swift-functions-execution -Xlinker %t/swift-functions-execution.o -module-name Functions -Xfrontend -entry-point-function-name -Xfrontend swiftMain -g
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// RUN: %target-codesign %t/swift-functions-execution
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// RUN: not --crash %target-run %t/swift-functions-execution 2>&1 | %FileCheck %s
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// REQUIRES: executable_test
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#include <cassert>
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#include <stdio.h>
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#include "functions.h"
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int main() {
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static_assert(noexcept(Functions::passVoidReturnVoid()), "noexcept function");
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static_assert(noexcept(Functions::_impl::$s9Functions014passVoidReturnC0yyF()),
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"noexcept function");
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Functions::passVoidReturnVoid();
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Functions::passIntReturnVoid(-1);
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assert(Functions::passTwoIntReturnIntNoArgLabel(1, 2) == 42);
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assert(Functions::passTwoIntReturnInt(1, 2) == 3);
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assert(Functions::passTwoIntReturnIntNoArgLabelParamName(1, 4) == 5);
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fflush(NULL); // before fatalError() call
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Functions::passVoidReturnNever();
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return 0;
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}
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// CHECK: passVoidReturnVoid
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// CHECK-NEXT: passIntReturnVoid -1
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// CHECK-NEXT: passTwoIntReturnIntNoArgLabel
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// CHECK-NEXT: Functions/swift-functions.swift:{{[0-9]+}}: Fatal error: passVoidReturnNever
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