#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
scalar_t__ test1(int, int, int);
scalar_t__ test2(int, int, int);
scalar_t__ test3(int, int, int);
scalar_t__ test4(int, int, int);
scalar_t__ test5(int, int, int);
int test() {
  if (test1(256, 512, 1 << 17)) {
    return 1;
  }
  if (test2(555, 666, 1221)) {
    return 2;
  }
  if (test3(222, 111, 444)) {
    return 3;
  }
  if (test4(5, 4, 10)) {
    return 4;
  }
  if (test5(222, 444, 888)) {
    return 3;
  }
  return 0;
}


x86 assembly (clang, -O0):
<test>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    $0x100,%edi
mov    $0x200,%esi
mov    $0x20000,%edx
call   1050 <test1@plt>
cmp    $0x0,%rax
je     1182 <test+0x32>
movl   $0x1,-0x4(%rbp)
jmp    1231 <test+0xe1>
mov    $0x22b,%edi
mov    $0x29a,%esi
mov    $0x4c5,%edx
call   1070 <test2@plt>
cmp    $0x0,%rax
je     11ac <test+0x5c>
movl   $0x2,-0x4(%rbp)
jmp    1231 <test+0xe1>
mov    $0xde,%edi
mov    $0x6f,%esi
mov    $0x1bc,%edx
call   1040 <test3@plt>
cmp    $0x0,%rax
je     11d6 <test+0x86>
movl   $0x3,-0x4(%rbp)
jmp    1231 <test+0xe1>
mov    $0x5,%edi
mov    $0x4,%esi
mov    $0xa,%edx
call   1060 <test4@plt>
cmp    $0x0,%rax
je     1200 <test+0xb0>
movl   $0x4,-0x4(%rbp)
jmp    1231 <test+0xe1>
mov    $0xde,%edi
mov    $0x1bc,%esi
mov    $0x378,%edx
call   1030 <test5@plt>
cmp    $0x0,%rax
je     122a <test+0xda>
movl   $0x3,-0x4(%rbp)
jmp    1231 <test+0xe1>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test>:
push   %rbx
mov    $0x100,%edi
mov    $0x200,%esi
mov    $0x20000,%edx
call   1050 <test1@plt>
mov    $0x1,%ebx
test   %rax,%rax
jne    11e8 <test+0x98>
mov    $0x22b,%edi
mov    $0x29a,%esi
mov    $0x4c5,%edx
call   1070 <test2@plt>
mov    $0x2,%ebx
test   %rax,%rax
jne    11e8 <test+0x98>
mov    $0xde,%edi
mov    $0x6f,%esi
mov    $0x1bc,%edx
call   1040 <test3@plt>
mov    $0x3,%ebx
test   %rax,%rax
jne    11e8 <test+0x98>
mov    $0x4,%ebx
mov    $0x5,%edi
mov    $0x4,%esi
mov    $0xa,%edx
call   1060 <test4@plt>
test   %rax,%rax
jne    11e8 <test+0x98>
mov    $0xde,%edi
mov    $0x1bc,%esi
mov    $0x378,%edx
call   1030 <test5@plt>
xor    %ecx,%ecx
test   %rax,%rax
setne  %cl
lea    (%rcx,%rcx,2),%ebx
mov    %ebx,%eax
pop    %rbx
ret

LLVM IR (-O0):
define i32 @test() {
%1 = alloca i32
%2 = call i64 @test1(i32 256, i32 512, i32 131072)
%3 = icmp ne i64 %2, 0
br i1 %3, label %4, label %5
4: ; preds = %0
store i32 1, i32* %1
br label %22
5: ; preds = %0
%6 = call i64 @test2(i32 555, i32 666, i32 1221)
%7 = icmp ne i64 %6, 0
br i1 %7, label %8, label %9
8: ; preds = %5
store i32 2, i32* %1
br label %22
9: ; preds = %5
%10 = call i64 @test3(i32 222, i32 111, i32 444)
%11 = icmp ne i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %9
store i32 3, i32* %1
br label %22
13: ; preds = %9
%14 = call i64 @test4(i32 5, i32 4, i32 10)
%15 = icmp ne i64 %14, 0
br i1 %15, label %16, label %17
16: ; preds = %13
store i32 4, i32* %1
br label %22
17: ; preds = %13
%18 = call i64 @test5(i32 222, i32 444, i32 888)
%19 = icmp ne i64 %18, 0
br i1 %19, label %20, label %21
20: ; preds = %17
store i32 3, i32* %1
br label %22
21: ; preds = %17
store i32 0, i32* %1
br label %22
22: ; preds = %21, %20, %16, %12, %8, %4
%23 = load i32, i32* %1
ret i32 %23
}

LLVM IR (-O2):
define i32 @test() {
%1 = tail call i64 @test1(i32 256, i32 512, i32 131072)
%2 = icmp eq i64 %1, 0
br i1 %2, label %3, label %16
3: ; preds = %0
%4 = tail call i64 @test2(i32 555, i32 666, i32 1221)
%5 = icmp eq i64 %4, 0
br i1 %5, label %6, label %16
6: ; preds = %3
%7 = tail call i64 @test3(i32 222, i32 111, i32 444)
%8 = icmp eq i64 %7, 0
br i1 %8, label %9, label %16
9: ; preds = %6
%10 = tail call i64 @test4(i32 5, i32 4, i32 10)
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %16
12: ; preds = %9
%13 = tail call i64 @test5(i32 222, i32 444, i32 888)
%14 = icmp eq i64 %13, 0
%15 = select i1 %14, i32 0, i32 3
br label %16
16: ; preds = %12, %9, %6, %3, %0
%17 = phi i32 [ 1, %0 ], [ 2, %3 ], [ 3, %6 ], [ 4, %9 ], [ %15, %12 ]
ret i32 %17
}