File: large-structs-pass-return-indirect-in-cxx-execution.cpp

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// RUN: %empty-directory(%t)

// RUN: %target-swift-frontend %S/large-structs-pass-return-indirect-in-cxx.swift -typecheck -module-name Structs -clang-header-expose-decls=all-public -emit-clang-header-path %t/structs.h

// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-structs-execution.o
// RUN: %target-interop-build-swift %S/large-structs-pass-return-indirect-in-cxx.swift -o %t/swift-structs-execution -Xlinker %t/swift-structs-execution.o -module-name Structs -Xfrontend -entry-point-function-name -Xfrontend swiftMain

// RUN: %target-codesign %t/swift-structs-execution
// RUN: %target-run %t/swift-structs-execution | %FileCheck %s

// REQUIRES: executable_test

#include <assert.h>
#include "structs.h"

int main() {
  using namespace Structs;

  static_assert(sizeof(StructSeveralI64) == 40);

  printStructSeveralI64(returnNewStructSeveralI64(42));
// CHECK: StructSeveralI64.1 = 42, .2 = 0, .3 = -17, .4 = 12345612, .5 = -65535

  StructSeveralI64 structSeveralI64_copy = passThroughStructSeveralI64(100, returnNewStructSeveralI64(11), 6.0);
  printStructSeveralI64(structSeveralI64_copy);
// CHECK-NEXT: StructSeveralI64.1 = 11, .2 = 100, .3 = -17, .4 = -12345612, .5 = -65529

  auto myStruct = returnNewStructSeveralI64(99);
  printStructSeveralI64(myStruct);
// CHECK-NEXT: StructSeveralI64.1 = 99, .2 = 0, .3 = -17, .4 = 12345612, .5 = -65535

  inoutStructSeveralI64(myStruct);
  printStructSeveralI64(myStruct);
// CHECK-NEXT: StructSeveralI64.1 = -1, .2 = -2, .3 = -3, .4 = -4, .5 = -5
  return 0;
}