int main(int argc, const char **argv) {
  signed long res;
  if (__builtin_mul_overflow((signed long)0x0, (signed long)0x0, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x0, (signed long)0x7FFFFFFFFFFFFFFF,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x0, (signed long)0x8000000000000000,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x1, (signed long)0x7FFFFFFFFFFFFFFF,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x1, (signed long)0x8000000000000000,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x2, (signed long)0x3FFFFFFFFFFFFFFF,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x2, (signed long)0xC000000000000000,
                             &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x2, (signed long)0x7FFFFFFFFFFFFFFF,
                              &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x2, (signed long)0x8000000000000000,
                              &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x0FFFFFFFFFFFFFFF, (signed long)0x8,
                             &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x1000000000000000, (signed long)0x8,
                              &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x7FFFFFFFFFFFFFFF, (signed long)0x0,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x7FFFFFFFFFFFFFFF, (signed long)0x1,
                             &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x7FFFFFFFFFFFFFFF, (signed long)0x2,
                              &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x7FFFFFFFFFFFFFFF,
                              (signed long)0x7FFFFFFFFFFFFFFF, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x7FFFFFFFFFFFFFFF,
                              (signed long)0x8000000000000000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x8000000000000000, (signed long)0x0,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0x8000000000000000, (signed long)0x1,
                             &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x8000000000000000, (signed long)0x2,
                              &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x8000000000000000,
                              (signed long)0x7FFFFFFFFFFFFFFF, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed long)0x8000000000000000,
                              (signed long)0x8000000000000000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0xFFFFFFFFFFFFFFFF, (signed long)0x0,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0xFFFFFFFFFFFFFFFF, (signed long)0x1,
                             &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed long)0xFFFFFFFFFFFFFFFF,
                             (signed long)0xFFFFFFFFFFFFFFFF, &res)) {
    return -1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
xor    %eax,%eax
mov    %eax,%ecx
imul   %rcx,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    112e <main+0x2e>
jmp    113a <main+0x3a>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
xor    %eax,%eax
mov    %eax,%ecx
movabs $0x7fffffffffffffff,%rax
ff ff 7f
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1160 <main+0x60>
jmp    116c <main+0x6c>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
xor    %eax,%eax
mov    %eax,%ecx
movabs $0x8000000000000000,%rax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1192 <main+0x92>
jmp    119e <main+0x9e>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x1,%ecx
movabs $0x7fffffffffffffff,%rax
ff ff 7f
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    11c5 <main+0xc5>
jmp    11d1 <main+0xd1>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x1,%ecx
movabs $0x8000000000000000,%rax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    11f8 <main+0xf8>
jmp    1204 <main+0x104>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x2,%ecx
movabs $0x3fffffffffffffff,%rax
ff ff 3f
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    122b <main+0x12b>
jmp    1237 <main+0x137>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x2,%ecx
movabs $0xc000000000000000,%rax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    125e <main+0x15e>
jmp    126a <main+0x16a>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x2,%ecx
movabs $0x7fffffffffffffff,%rax
ff ff 7f
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1298 <main+0x198>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0x2,%ecx
movabs $0x8000000000000000,%rax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    12c6 <main+0x1c6>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0xfffffffffffffff,%rcx
ff ff 0f
mov    $0x8,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    12ed <main+0x1ed>
jmp    12f9 <main+0x1f9>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x1000000000000000,%rcx
mov    $0x8,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1327 <main+0x227>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x7fffffffffffffff,%rcx
ff ff 7f
xor    %eax,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    134b <main+0x24b>
jmp    1357 <main+0x257>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x7fffffffffffffff,%rcx
ff ff 7f
mov    $0x1,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    137e <main+0x27e>
jmp    138a <main+0x28a>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x7fffffffffffffff,%rcx
ff ff 7f
mov    $0x2,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    13b8 <main+0x2b8>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x7fffffffffffffff,%rcx
ff ff 7f
imul   %rcx,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    13e1 <main+0x2e1>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x7fffffffffffffff,%rcx
ff ff 7f
movabs $0x8000000000000000,%rax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1414 <main+0x314>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x8000000000000000,%rcx
xor    %eax,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1438 <main+0x338>
jmp    1444 <main+0x344>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x8000000000000000,%rcx
mov    $0x1,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    146b <main+0x36b>
jmp    1477 <main+0x377>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x8000000000000000,%rcx
mov    $0x2,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    14a5 <main+0x3a5>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x8000000000000000,%rcx
movabs $0x7fffffffffffffff,%rax
ff ff 7f
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    14d8 <main+0x3d8>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movabs $0x8000000000000000,%rcx
imul   %rcx,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1501 <main+0x401>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0xffffffffffffffff,%rcx
xor    %eax,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1522 <main+0x422>
jmp    152e <main+0x42e>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0xffffffffffffffff,%rcx
mov    $0x1,%eax
imul   %rax,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    1552 <main+0x452>
jmp    155e <main+0x45e>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
mov    $0xffffffffffffffff,%rcx
imul   %rcx,%rcx
seto   %al
mov    %rcx,-0x18(%rbp)
test   $0x1,%al
jne    157d <main+0x47d>
jmp    1589 <main+0x489>
movl   $0xffffffff,-0x4(%rbp)
jmp    1590 <main+0x490>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
xor    %eax,%eax
ret

LLVM IR (-O0):
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i64
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 0, i64 0)
%8 = extractvalue { i64, i1 } %7, 1
%9 = extractvalue { i64, i1 } %7, 0
store i64 %9, i64* %6
br i1 %8, label %10, label %11
10: ; preds = %2
store i32 -1, i32* %3
br label %127
11: ; preds = %2
%12 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 0, i64 9223372036854775807)
%13 = extractvalue { i64, i1 } %12, 1
%14 = extractvalue { i64, i1 } %12, 0
store i64 %14, i64* %6
br i1 %13, label %15, label %16
15: ; preds = %11
store i32 -1, i32* %3
br label %127
16: ; preds = %11
%17 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 0, i64 -9223372036854775808)
%18 = extractvalue { i64, i1 } %17, 1
%19 = extractvalue { i64, i1 } %17, 0
store i64 %19, i64* %6
br i1 %18, label %20, label %21
20: ; preds = %16
store i32 -1, i32* %3
br label %127
21: ; preds = %16
%22 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 1, i64 9223372036854775807)
%23 = extractvalue { i64, i1 } %22, 1
%24 = extractvalue { i64, i1 } %22, 0
store i64 %24, i64* %6
br i1 %23, label %25, label %26
25: ; preds = %21
store i32 -1, i32* %3
br label %127
26: ; preds = %21
%27 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 1, i64 -9223372036854775808)
%28 = extractvalue { i64, i1 } %27, 1
%29 = extractvalue { i64, i1 } %27, 0
store i64 %29, i64* %6
br i1 %28, label %30, label %31
30: ; preds = %26
store i32 -1, i32* %3
br label %127
31: ; preds = %26
%32 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 2, i64 4611686018427387903)
%33 = extractvalue { i64, i1 } %32, 1
%34 = extractvalue { i64, i1 } %32, 0
store i64 %34, i64* %6
br i1 %33, label %35, label %36
35: ; preds = %31
store i32 -1, i32* %3
br label %127
36: ; preds = %31
%37 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 2, i64 -4611686018427387904)
%38 = extractvalue { i64, i1 } %37, 1
%39 = extractvalue { i64, i1 } %37, 0
store i64 %39, i64* %6
br i1 %38, label %40, label %41
40: ; preds = %36
store i32 -1, i32* %3
br label %127
41: ; preds = %36
%42 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 2, i64 9223372036854775807)
%43 = extractvalue { i64, i1 } %42, 1
%44 = extractvalue { i64, i1 } %42, 0
store i64 %44, i64* %6
br i1 %43, label %46, label %45
45: ; preds = %41
store i32 -1, i32* %3
br label %127
46: ; preds = %41
%47 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 2, i64 -9223372036854775808)
%48 = extractvalue { i64, i1 } %47, 1
%49 = extractvalue { i64, i1 } %47, 0
store i64 %49, i64* %6
br i1 %48, label %51, label %50
50: ; preds = %46
store i32 -1, i32* %3
br label %127
51: ; preds = %46
%52 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 1152921504606846975, i64 8)
%53 = extractvalue { i64, i1 } %52, 1
%54 = extractvalue { i64, i1 } %52, 0
store i64 %54, i64* %6
br i1 %53, label %55, label %56
55: ; preds = %51
store i32 -1, i32* %3
br label %127
56: ; preds = %51
%57 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 1152921504606846976, i64 8)
%58 = extractvalue { i64, i1 } %57, 1
%59 = extractvalue { i64, i1 } %57, 0
store i64 %59, i64* %6
br i1 %58, label %61, label %60
60: ; preds = %56
store i32 -1, i32* %3
br label %127
61: ; preds = %56
%62 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 9223372036854775807, i64 0)
%63 = extractvalue { i64, i1 } %62, 1
%64 = extractvalue { i64, i1 } %62, 0
store i64 %64, i64* %6
br i1 %63, label %65, label %66
65: ; preds = %61
store i32 -1, i32* %3
br label %127
66: ; preds = %61
%67 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 9223372036854775807, i64 1)
%68 = extractvalue { i64, i1 } %67, 1
%69 = extractvalue { i64, i1 } %67, 0
store i64 %69, i64* %6
br i1 %68, label %70, label %71
70: ; preds = %66
store i32 -1, i32* %3
br label %127
71: ; preds = %66
%72 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 9223372036854775807, i64 2)
%73 = extractvalue { i64, i1 } %72, 1
%74 = extractvalue { i64, i1 } %72, 0
store i64 %74, i64* %6
br i1 %73, label %76, label %75
75: ; preds = %71
store i32 -1, i32* %3
br label %127
76: ; preds = %71
%77 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 9223372036854775807, i64 9223372036854775807)
%78 = extractvalue { i64, i1 } %77, 1
%79 = extractvalue { i64, i1 } %77, 0
store i64 %79, i64* %6
br i1 %78, label %81, label %80
80: ; preds = %76
store i32 -1, i32* %3
br label %127
81: ; preds = %76
%82 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 9223372036854775807, i64 -9223372036854775808)
%83 = extractvalue { i64, i1 } %82, 1
%84 = extractvalue { i64, i1 } %82, 0
store i64 %84, i64* %6
br i1 %83, label %86, label %85
85: ; preds = %81
store i32 -1, i32* %3
br label %127
86: ; preds = %81
%87 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -9223372036854775808, i64 0)
%88 = extractvalue { i64, i1 } %87, 1
%89 = extractvalue { i64, i1 } %87, 0
store i64 %89, i64* %6
br i1 %88, label %90, label %91
90: ; preds = %86
store i32 -1, i32* %3
br label %127
91: ; preds = %86
%92 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -9223372036854775808, i64 1)
%93 = extractvalue { i64, i1 } %92, 1
%94 = extractvalue { i64, i1 } %92, 0
store i64 %94, i64* %6
br i1 %93, label %95, label %96
95: ; preds = %91
store i32 -1, i32* %3
br label %127
96: ; preds = %91
%97 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -9223372036854775808, i64 2)
%98 = extractvalue { i64, i1 } %97, 1
%99 = extractvalue { i64, i1 } %97, 0
store i64 %99, i64* %6
br i1 %98, label %101, label %100
100: ; preds = %96
store i32 -1, i32* %3
br label %127
101: ; preds = %96
%102 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -9223372036854775808, i64 9223372036854775807)
%103 = extractvalue { i64, i1 } %102, 1
%104 = extractvalue { i64, i1 } %102, 0
store i64 %104, i64* %6
br i1 %103, label %106, label %105
105: ; preds = %101
store i32 -1, i32* %3
br label %127
106: ; preds = %101
%107 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -9223372036854775808, i64 -9223372036854775808)
%108 = extractvalue { i64, i1 } %107, 1
%109 = extractvalue { i64, i1 } %107, 0
store i64 %109, i64* %6
br i1 %108, label %111, label %110
110: ; preds = %106
store i32 -1, i32* %3
br label %127
111: ; preds = %106
%112 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -1, i64 0)
%113 = extractvalue { i64, i1 } %112, 1
%114 = extractvalue { i64, i1 } %112, 0
store i64 %114, i64* %6
br i1 %113, label %115, label %116
115: ; preds = %111
store i32 -1, i32* %3
br label %127
116: ; preds = %111
%117 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -1, i64 1)
%118 = extractvalue { i64, i1 } %117, 1
%119 = extractvalue { i64, i1 } %117, 0
store i64 %119, i64* %6
br i1 %118, label %120, label %121
120: ; preds = %116
store i32 -1, i32* %3
br label %127
121: ; preds = %116
%122 = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 -1, i64 -1)
%123 = extractvalue { i64, i1 } %122, 1
%124 = extractvalue { i64, i1 } %122, 0
store i64 %124, i64* %6
br i1 %123, label %125, label %126
125: ; preds = %121
store i32 -1, i32* %3
br label %127
126: ; preds = %121
store i32 0, i32* %3
br label %127
127: ; preds = %126, %125, %120, %115, %110, %105, %100, %95, %90, %85, %80, %75, %70, %65, %60, %55, %50, %45, %40, %35, %30, %25, %20, %15, %10
%128 = load i32, i32* %3
ret i32 %128
}

LLVM IR (-O2):
define i32 @main(i32 %0, i8** nocapture readnone %1) {
ret i32 0
}