BOOST_AUTO_TEST_CASE(plus) {
  TESTCASE2(plus, 0, 0, 0);
  TESTCASE2(plus, 0, 1, 1);
  TESTCASE2(plus, 1, 0, 1);
  TESTCASE2(plus, 1, -1, 0);
  TESTCASE2(plus, 1, 2, 3);
  TESTCASE2(plus, -1, -2, -3);
}


x86 assembly (clang, -O0):
<BOOST_AUTO_TEST_CASE>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x8(%rbp)
mov    -0x8(%rbp),%edi
xor    %ecx,%ecx
mov    %ecx,%esi
mov    %ecx,%edx
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x8(%rbp),%edi
xor    %esi,%esi
mov    $0x1,%ecx
mov    %ecx,%edx
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x8(%rbp),%edi
mov    $0x1,%ecx
xor    %edx,%edx
mov    %ecx,%esi
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x8(%rbp),%edi
mov    $0x1,%esi
mov    $0xffffffff,%edx
xor    %ecx,%ecx
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x8(%rbp),%edi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x3,%ecx
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x8(%rbp),%edi
mov    $0xffffffff,%esi
mov    $0xfffffffe,%edx
mov    $0xfffffffd,%ecx
mov    $0x0,%al
call   1030 <TESTCASE2@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<BOOST_AUTO_TEST_CASE>:
push   %rbx
mov    %edi,%ebx
xor    %esi,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %eax,%eax
call   1030 <TESTCASE2@plt>
mov    %ebx,%edi
xor    %esi,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
xor    %eax,%eax
call   1030 <TESTCASE2@plt>
mov    %ebx,%edi
mov    $0x1,%esi
xor    %edx,%edx
mov    $0x1,%ecx
xor    %eax,%eax
call   1030 <TESTCASE2@plt>
mov    %ebx,%edi
mov    $0x1,%esi
mov    $0xffffffff,%edx
xor    %ecx,%ecx
xor    %eax,%eax
call   1030 <TESTCASE2@plt>
mov    %ebx,%edi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x3,%ecx
xor    %eax,%eax
call   1030 <TESTCASE2@plt>
mov    %ebx,%edi
mov    $0xffffffff,%esi
mov    $0xfffffffe,%edx
mov    $0xfffffffd,%ecx
xor    %eax,%eax
pop    %rbx
jmp    1030 <TESTCASE2@plt>

LLVM IR (-O0):
define i32 @BOOST_AUTO_TEST_CASE(i32 %0) {
%2 = alloca i32
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
%5 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %4, i32 0, i32 0, i32 0)
%6 = load i32, i32* %3
%7 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %6, i32 0, i32 1, i32 1)
%8 = load i32, i32* %3
%9 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %8, i32 1, i32 0, i32 1)
%10 = load i32, i32* %3
%11 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %10, i32 1, i32 -1, i32 0)
%12 = load i32, i32* %3
%13 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %12, i32 1, i32 2, i32 3)
%14 = load i32, i32* %3
%15 = call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %14, i32 -1, i32 -2, i32 -3)
%16 = load i32, i32* %2
ret i32 %16
}

LLVM IR (-O2):
define i32 @BOOST_AUTO_TEST_CASE(i32 %0) {
%2 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 0, i32 0, i32 0)
%3 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 0, i32 1, i32 1)
%4 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 1, i32 0, i32 1)
%5 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 1, i32 -1, i32 0)
%6 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 1, i32 2, i32 3)
%7 = tail call i32 (i32, i32, i32, i32, ...) bitcast (i32 (...)* @TESTCASE2 to i32 (i32, i32, i32, i32, ...)*)(i32 %0, i32 -1, i32 -2, i32 -3)
ret i32 undef
}