#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__ strstr(char *, char *);
int s_flag(char *str) {
  if (strstr(str, ", S")) {
    if (strstr(str, ", S3"))
      return 1;
    if (strstr(str, ", S4"))
      return 1;
    if (strstr(str, ", S5"))
      return 1;
    if (strstr(str, ", S6"))
      return 1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<s_flag>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     11d3 <s_flag+0xc3>
mov    -0x10(%rbp),%rdi
lea    0xec3(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     115c <s_flag+0x4c>
movl   $0x1,-0x4(%rbp)
jmp    11da <s_flag+0xca>
mov    -0x10(%rbp),%rdi
lea    0xea2(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     1182 <s_flag+0x72>
movl   $0x1,-0x4(%rbp)
jmp    11da <s_flag+0xca>
mov    -0x10(%rbp),%rdi
lea    0xe81(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     11a8 <s_flag+0x98>
movl   $0x1,-0x4(%rbp)
jmp    11da <s_flag+0xca>
mov    -0x10(%rbp),%rdi
lea    0xe60(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     11ce <s_flag+0xbe>
movl   $0x1,-0x4(%rbp)
jmp    11da <s_flag+0xca>
jmp    11d3 <s_flag+0xc3>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<s_flag>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strstr@plt>
test   %rax,%rax
je     117c <s_flag+0x6c>
lea    0xed6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    $0x1,%ebp
test   %rax,%rax
jne    117e <s_flag+0x6e>
lea    0xec2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
test   %rax,%rax
jne    117e <s_flag+0x6e>
lea    0xeb3(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
test   %rax,%rax
jne    117e <s_flag+0x6e>
lea    0xea4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
test   %rax,%rax
jne    117e <s_flag+0x6e>
xor    %ebp,%ebp
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c", S\00"
@.str.1 = [5 x i8] c", S3\00"
@.str.2 = [5 x i8] c", S4\00"
@.str.3 = [5 x i8] c", S5\00"
@.str.4 = [5 x i8] c", S6\00"
define i32 @s_flag(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strstr(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i64 %5, 0
br i1 %6, label %7, label %28
7: ; preds = %1
%8 = load i8*, i8** %3
%9 = call i64 @strstr(i8* %8, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%10 = icmp ne i64 %9, 0
br i1 %10, label %11, label %12
11: ; preds = %7
store i32 1, i32* %2
br label %29
12: ; preds = %7
%13 = load i8*, i8** %3
%14 = call i64 @strstr(i8* %13, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%15 = icmp ne i64 %14, 0
br i1 %15, label %16, label %17
16: ; preds = %12
store i32 1, i32* %2
br label %29
17: ; preds = %12
%18 = load i8*, i8** %3
%19 = call i64 @strstr(i8* %18, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%20 = icmp ne i64 %19, 0
br i1 %20, label %21, label %22
21: ; preds = %17
store i32 1, i32* %2
br label %29
22: ; preds = %17
%23 = load i8*, i8** %3
%24 = call i64 @strstr(i8* %23, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%25 = icmp ne i64 %24, 0
br i1 %25, label %26, label %27
26: ; preds = %22
store i32 1, i32* %2
br label %29
27: ; preds = %22
br label %28
28: ; preds = %27, %1
store i32 0, i32* %2
br label %29
29: ; preds = %28, %26, %21, %16, %11
%30 = load i32, i32* %2
ret i32 %30
}

LLVM IR (-O2):
@.str = [4 x i8] c", S\00"
@.str.1 = [5 x i8] c", S3\00"
@.str.2 = [5 x i8] c", S4\00"
@.str.3 = [5 x i8] c", S5\00"
@.str.4 = [5 x i8] c", S6\00"
define i32 @s_flag(i8* %0) {
%2 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %16, label %4
4: ; preds = %1
%5 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %17
7: ; preds = %4
%8 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %10, label %17
10: ; preds = %7
%11 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %13, label %17
13: ; preds = %10
%14 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %16, label %17
16: ; preds = %13, %1
br label %17
17: ; preds = %13, %10, %7, %4, %16
%18 = phi i32 [ 0, %16 ], [ 1, %4 ], [ 1, %7 ], [ 1, %10 ], [ 1, %13 ]
ret i32 %18
}