#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__ strcmp(char *, char *);
int Command_GetID(char *cmd) {
  if (cmd != NULL) {
    if (strcmp(cmd, "open") == 0) {
      return 1;
    } else if (strcmp(cmd, "close") == 0) {
      return 2;
    } else if (strcmp(cmd, "get") == 0) {
      return 3;
    } else if (strcmp(cmd, "set") == 0) {
      return 4;
    } else if (strcmp(cmd, "delete") == 0) {
      return 5;
    } else if (strcmp(cmd, "quit") == 0) {
      return 6;
    } else {
      return 0;
    }
  } else {
    return 0;
  }
}


x86 assembly (clang, -O0):
<Command_GetID>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
je     1217 <Command_GetID+0x107>
mov    -0x10(%rbp),%rdi
lea    0xece(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    114d <Command_GetID+0x3d>
movl   $0x1,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
mov    -0x10(%rbp),%rdi
lea    0xead(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1173 <Command_GetID+0x63>
movl   $0x2,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
mov    -0x10(%rbp),%rdi
lea    0xe8d(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1199 <Command_GetID+0x89>
movl   $0x3,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
mov    -0x10(%rbp),%rdi
lea    0xe6b(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11bf <Command_GetID+0xaf>
movl   $0x4,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
mov    -0x10(%rbp),%rdi
lea    0xe49(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11e5 <Command_GetID+0xd5>
movl   $0x5,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
mov    -0x10(%rbp),%rdi
lea    0xe2a(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    120b <Command_GetID+0xfb>
movl   $0x6,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
movl   $0x0,-0x4(%rbp)
jmp    121e <Command_GetID+0x10e>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<Command_GetID>:
push   %rbx
test   %rdi,%rdi
je     119c <Command_GetID+0x8c>
mov    %rdi,%rbx
lea    0xedc(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a0 <Command_GetID+0x90>
lea    0xed0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a7 <Command_GetID+0x97>
lea    0xec2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11ae <Command_GetID+0x9e>
lea    0xeb2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11b5 <Command_GetID+0xa5>
lea    0xea2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11bc <Command_GetID+0xac>
lea    0xe95(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ecx,%ecx
test   %rax,%rax
mov    $0x6,%eax
cmovne %ecx,%eax
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret
mov    $0x2,%eax
pop    %rbx
ret
mov    $0x3,%eax
pop    %rbx
ret
mov    $0x4,%eax
pop    %rbx
ret
mov    $0x5,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"open\00"
@.str.1 = [6 x i8] c"close\00"
@.str.2 = [4 x i8] c"get\00"
@.str.3 = [4 x i8] c"set\00"
@.str.4 = [7 x i8] c"delete\00"
@.str.5 = [5 x i8] c"quit\00"
define i32 @Command_GetID(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = icmp ne i8* %4, null
br i1 %5, label %6, label %37
6: ; preds = %1
%7 = load i8*, i8** %3
%8 = call i64 @strcmp(i8* %7, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %10, label %11
10: ; preds = %6
store i32 1, i32* %2
br label %38
11: ; preds = %6
%12 = load i8*, i8** %3
%13 = call i64 @strcmp(i8* %12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%14 = icmp eq i64 %13, 0
br i1 %14, label %15, label %16
15: ; preds = %11
store i32 2, i32* %2
br label %38
16: ; preds = %11
%17 = load i8*, i8** %3
%18 = call i64 @strcmp(i8* %17, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%19 = icmp eq i64 %18, 0
br i1 %19, label %20, label %21
20: ; preds = %16
store i32 3, i32* %2
br label %38
21: ; preds = %16
%22 = load i8*, i8** %3
%23 = call i64 @strcmp(i8* %22, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
br i1 %24, label %25, label %26
25: ; preds = %21
store i32 4, i32* %2
br label %38
26: ; preds = %21
%27 = load i8*, i8** %3
%28 = call i64 @strcmp(i8* %27, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%29 = icmp eq i64 %28, 0
br i1 %29, label %30, label %31
30: ; preds = %26
store i32 5, i32* %2
br label %38
31: ; preds = %26
%32 = load i8*, i8** %3
%33 = call i64 @strcmp(i8* %32, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%34 = icmp eq i64 %33, 0
br i1 %34, label %35, label %36
35: ; preds = %31
store i32 6, i32* %2
br label %38
36: ; preds = %31
store i32 0, i32* %2
br label %38
37: ; preds = %1
store i32 0, i32* %2
br label %38
38: ; preds = %37, %36, %35, %30, %25, %20, %15, %10
%39 = load i32, i32* %2
ret i32 %39
}

LLVM IR (-O2):
@.str = [5 x i8] c"open\00"
@.str.1 = [6 x i8] c"close\00"
@.str.2 = [4 x i8] c"get\00"
@.str.3 = [4 x i8] c"set\00"
@.str.4 = [7 x i8] c"delete\00"
@.str.5 = [5 x i8] c"quit\00"
define i32 @Command_GetID(i8* %0) {
%2 = icmp eq i8* %0, null
br i1 %2, label %22, label %3
3: ; preds = %1
%4 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%5 = icmp eq i64 %4, 0
br i1 %5, label %22, label %6
6: ; preds = %3
%7 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%8 = icmp eq i64 %7, 0
br i1 %8, label %22, label %9
9: ; preds = %6
%10 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %22, label %12
12: ; preds = %9
%13 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%14 = icmp eq i64 %13, 0
br i1 %14, label %22, label %15
15: ; preds = %12
%16 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%17 = icmp eq i64 %16, 0
br i1 %17, label %22, label %18
18: ; preds = %15
%19 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%20 = icmp eq i64 %19, 0
%21 = select i1 %20, i32 6, i32 0
br label %22
22: ; preds = %1, %18, %15, %12, %9, %6, %3
%23 = phi i32 [ 1, %3 ], [ 2, %6 ], [ 3, %9 ], [ 4, %12 ], [ 5, %15 ], [ %21, %18 ], [ 0, %1 ]
ret i32 %23
}