#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(unsigned char *, char *);
unsigned int camsys_gpio_group(unsigned char *io_name) {
  unsigned int group;
  if (strstr(io_name, "PIN0")) {
    group = 0;
  } else if (strstr(io_name, "PIN1")) {
    group = 1;
  } else if (strstr(io_name, "PIN2")) {
    group = 2;
  } else if (strstr(io_name, "PIN3")) {
    group = 3;
  } else if (strstr(io_name, "PIN4")) {
    group = 4;
  } else if (strstr(io_name, "PIN5")) {
    group = 5;
  } else if (strstr(io_name, "PIN6")) {
    group = 6;
  } else if (strstr(io_name, "PIN7")) {
    group = 7;
  } else if (strstr(io_name, "PIN8")) {
    group = 8;
  }
  return group;
}


x86 assembly (clang, -O0):
<camsys_gpio_group>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     1142 <camsys_gpio_group+0x32>
movl   $0x0,-0xc(%rbp)
jmp    1295 <camsys_gpio_group+0x185>
mov    -0x8(%rbp),%rdi
lea    0xeb8(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     1168 <camsys_gpio_group+0x58>
movl   $0x1,-0xc(%rbp)
jmp    1290 <camsys_gpio_group+0x180>
mov    -0x8(%rbp),%rdi
lea    0xe97(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     118e <camsys_gpio_group+0x7e>
movl   $0x2,-0xc(%rbp)
jmp    128b <camsys_gpio_group+0x17b>
mov    -0x8(%rbp),%rdi
lea    0xe76(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     11b4 <camsys_gpio_group+0xa4>
movl   $0x3,-0xc(%rbp)
jmp    1286 <camsys_gpio_group+0x176>
mov    -0x8(%rbp),%rdi
lea    0xe55(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     11da <camsys_gpio_group+0xca>
movl   $0x4,-0xc(%rbp)
jmp    1281 <camsys_gpio_group+0x171>
mov    -0x8(%rbp),%rdi
lea    0xe34(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     1200 <camsys_gpio_group+0xf0>
movl   $0x5,-0xc(%rbp)
jmp    127c <camsys_gpio_group+0x16c>
mov    -0x8(%rbp),%rdi
lea    0xe13(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     1226 <camsys_gpio_group+0x116>
movl   $0x6,-0xc(%rbp)
jmp    1277 <camsys_gpio_group+0x167>
mov    -0x8(%rbp),%rdi
lea    0xdf2(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     124c <camsys_gpio_group+0x13c>
movl   $0x7,-0xc(%rbp)
jmp    1272 <camsys_gpio_group+0x162>
mov    -0x8(%rbp),%rdi
lea    0xdd1(%rip),%rsi
call   1030 <strstr@plt>
cmp    $0x0,%rax
je     126d <camsys_gpio_group+0x15d>
movl   $0x8,-0xc(%rbp)
jmp    1272 <camsys_gpio_group+0x162>
jmp    1277 <camsys_gpio_group+0x167>
jmp    127c <camsys_gpio_group+0x16c>
jmp    1281 <camsys_gpio_group+0x171>
jmp    1286 <camsys_gpio_group+0x176>
jmp    128b <camsys_gpio_group+0x17b>
jmp    1290 <camsys_gpio_group+0x180>
jmp    1295 <camsys_gpio_group+0x185>
mov    -0xc(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<camsys_gpio_group>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strstr@plt>
mov    %rax,%rcx
xor    %eax,%eax
test   %rcx,%rcx
je     112c <camsys_gpio_group+0x1c>
pop    %rbx
ret
lea    0xed2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x1,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xebb(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x2,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xea4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x3,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xe8d(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x4,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xe76(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x5,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xe5b(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x6,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xe40(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    %rax,%rcx
mov    $0x7,%eax
test   %rcx,%rcx
jne    112a <camsys_gpio_group+0x1a>
lea    0xe25(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strstr@plt>
mov    $0x8,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"PIN0\00"
@.str.1 = [5 x i8] c"PIN1\00"
@.str.2 = [5 x i8] c"PIN2\00"
@.str.3 = [5 x i8] c"PIN3\00"
@.str.4 = [5 x i8] c"PIN4\00"
@.str.5 = [5 x i8] c"PIN5\00"
@.str.6 = [5 x i8] c"PIN6\00"
@.str.7 = [5 x i8] c"PIN7\00"
@.str.8 = [5 x i8] c"PIN8\00"
define i32 @camsys_gpio_group(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
%4 = load i8*, i8** %2
%5 = call i64 @strstr(i8* %4, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 0, i32* %3
br label %56
8: ; preds = %1
%9 = load i8*, i8** %2
%10 = call i64 @strstr(i8* %9, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp ne i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 1, i32* %3
br label %55
13: ; preds = %8
%14 = load i8*, i8** %2
%15 = call i64 @strstr(i8* %14, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp ne i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 2, i32* %3
br label %54
18: ; preds = %13
%19 = load i8*, i8** %2
%20 = call i64 @strstr(i8* %19, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%21 = icmp ne i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %18
store i32 3, i32* %3
br label %53
23: ; preds = %18
%24 = load i8*, i8** %2
%25 = call i64 @strstr(i8* %24, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%26 = icmp ne i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23
store i32 4, i32* %3
br label %52
28: ; preds = %23
%29 = load i8*, i8** %2
%30 = call i64 @strstr(i8* %29, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%31 = icmp ne i64 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %28
store i32 5, i32* %3
br label %51
33: ; preds = %28
%34 = load i8*, i8** %2
%35 = call i64 @strstr(i8* %34, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%36 = icmp ne i64 %35, 0
br i1 %36, label %37, label %38
37: ; preds = %33
store i32 6, i32* %3
br label %50
38: ; preds = %33
%39 = load i8*, i8** %2
%40 = call i64 @strstr(i8* %39, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i64 0, i64 0))
%41 = icmp ne i64 %40, 0
br i1 %41, label %42, label %43
42: ; preds = %38
store i32 7, i32* %3
br label %49
43: ; preds = %38
%44 = load i8*, i8** %2
%45 = call i64 @strstr(i8* %44, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0))
%46 = icmp ne i64 %45, 0
br i1 %46, label %47, label %48
47: ; preds = %43
store i32 8, i32* %3
br label %48
48: ; preds = %47, %43
br label %49
49: ; preds = %48, %42
br label %50
50: ; preds = %49, %37
br label %51
51: ; preds = %50, %32
br label %52
52: ; preds = %51, %27
br label %53
53: ; preds = %52, %22
br label %54
54: ; preds = %53, %17
br label %55
55: ; preds = %54, %12
br label %56
56: ; preds = %55, %7
%57 = load i32, i32* %3
ret i32 %57
}

LLVM IR (-O2):
@.str = [5 x i8] c"PIN0\00"
@.str.1 = [5 x i8] c"PIN1\00"
@.str.2 = [5 x i8] c"PIN2\00"
@.str.3 = [5 x i8] c"PIN3\00"
@.str.4 = [5 x i8] c"PIN4\00"
@.str.5 = [5 x i8] c"PIN5\00"
@.str.6 = [5 x i8] c"PIN6\00"
@.str.7 = [5 x i8] c"PIN7\00"
@.str.8 = [5 x i8] c"PIN8\00"
define i32 @camsys_gpio_group(i8* %0) {
%2 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %4, label %27
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 %27
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 %27
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 %27
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 %27
16: ; preds = %13
%17 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %19, label %27
19: ; preds = %16
%20 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %27
22: ; preds = %19
%23 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
br i1 %24, label %25, label %27
25: ; preds = %22
%26 = tail call i64 @strstr(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0))
br label %27
27: ; preds = %25, %22, %19, %16, %13, %10, %7, %4, %1
%28 = phi i32 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ 3, %10 ], [ 4, %13 ], [ 5, %16 ], [ 6, %19 ], [ 7, %22 ], [ 8, %25 ]
ret i32 %28
}