#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 matchcmd(char *cmdname) {
  if (strcmp(cmdname, "get") == 0)
    return 1;
  if (strcmp(cmdname, "put") == 0)
    return 2;
  if (strcmp(cmdname, "!cd") == 0)
    return 3;
  if (strcmp(cmdname, "!ls") == 0)
    return 4;
  if (strcmp(cmdname, "cd") == 0)
    return 5;
  if (strcmp(cmdname, "ls") == 0)
    return 6;
  if (strcmp(cmdname, "pwd") == 0)
    return 7;
  if (strcmp(cmdname, "!pwd") == 0)
    return 8;
  if (strcmp(cmdname, "bye") == 0)
    return 9;
  if (strcmp(cmdname, "connect") == 0)
    return 10;
  if (strcmp(cmdname, "help") == 0)
    return 11;
  if (strcmp(cmdname, "exit") == 0)
    return 12;
  return 13;
}


x86 assembly (clang, -O0):
<matchcmd>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1142 <matchcmd+0x32>
movl   $0x1,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xeb7(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1168 <matchcmd+0x58>
movl   $0x2,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xe95(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    118e <matchcmd+0x7e>
movl   $0x3,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xe73(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11b4 <matchcmd+0xa4>
movl   $0x4,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xe4a(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11da <matchcmd+0xca>
movl   $0x5,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xe28(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1200 <matchcmd+0xf0>
movl   $0x6,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xe06(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1226 <matchcmd+0x116>
movl   $0x7,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xddf(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    124c <matchcmd+0x13c>
movl   $0x8,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xdbe(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1272 <matchcmd+0x162>
movl   $0x9,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xd9c(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1298 <matchcmd+0x188>
movl   $0xa,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xd7e(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    12be <matchcmd+0x1ae>
movl   $0xb,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
mov    -0x10(%rbp),%rdi
lea    0xd5d(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    12e4 <matchcmd+0x1d4>
movl   $0xc,-0x4(%rbp)
jmp    12eb <matchcmd+0x1db>
movl   $0xd,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<matchcmd>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     122a <matchcmd+0x11a>
lea    0xed4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1231 <matchcmd+0x121>
lea    0xec0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1238 <matchcmd+0x128>
lea    0xeac(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     123f <matchcmd+0x12f>
lea    0xe91(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1246 <matchcmd+0x136>
lea    0xe7d(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     124d <matchcmd+0x13d>
lea    0xe69(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1254 <matchcmd+0x144>
lea    0xe50(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     125b <matchcmd+0x14b>
lea    0xe3d(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1262 <matchcmd+0x152>
lea    0xe2d(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1269 <matchcmd+0x159>
lea    0xe21(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1270 <matchcmd+0x160>
lea    0xe12(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
cmp    $0x1,%rax
mov    $0xd,%eax
sbb    $0x0,%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
mov    $0x6,%eax
pop    %rbx
ret
mov    $0x7,%eax
pop    %rbx
ret
mov    $0x8,%eax
pop    %rbx
ret
mov    $0x9,%eax
pop    %rbx
ret
mov    $0xa,%eax
pop    %rbx
ret
mov    $0xb,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"get\00"
@.str.1 = [4 x i8] c"put\00"
@.str.2 = [4 x i8] c"!cd\00"
@.str.3 = [4 x i8] c"!ls\00"
@.str.4 = [3 x i8] c"cd\00"
@.str.5 = [3 x i8] c"ls\00"
@.str.6 = [4 x i8] c"pwd\00"
@.str.7 = [5 x i8] c"!pwd\00"
@.str.8 = [4 x i8] c"bye\00"
@.str.9 = [8 x i8] c"connect\00"
@.str.10 = [5 x i8] c"help\00"
@.str.11 = [5 x i8] c"exit\00"
define i32 @matchcmd(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 1, i32* %2
br label %64
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 2, i32* %2
br label %64
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i64 @strcmp(i8* %14, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 3, i32* %2
br label %64
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i64 @strcmp(i8* %19, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %18
store i32 4, i32* %2
br label %64
23: ; preds = %18
%24 = load i8*, i8** %3
%25 = call i64 @strcmp(i8* %24, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%26 = icmp eq i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23
store i32 5, i32* %2
br label %64
28: ; preds = %23
%29 = load i8*, i8** %3
%30 = call i64 @strcmp(i8* %29, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%31 = icmp eq i64 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %28
store i32 6, i32* %2
br label %64
33: ; preds = %28
%34 = load i8*, i8** %3
%35 = call i64 @strcmp(i8* %34, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
%36 = icmp eq i64 %35, 0
br i1 %36, label %37, label %38
37: ; preds = %33
store i32 7, i32* %2
br label %64
38: ; preds = %33
%39 = load i8*, i8** %3
%40 = call i64 @strcmp(i8* %39, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i64 0, i64 0))
%41 = icmp eq i64 %40, 0
br i1 %41, label %42, label %43
42: ; preds = %38
store i32 8, i32* %2
br label %64
43: ; preds = %38
%44 = load i8*, i8** %3
%45 = call i64 @strcmp(i8* %44, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0))
%46 = icmp eq i64 %45, 0
br i1 %46, label %47, label %48
47: ; preds = %43
store i32 9, i32* %2
br label %64
48: ; preds = %43
%49 = load i8*, i8** %3
%50 = call i64 @strcmp(i8* %49, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.9, i64 0, i64 0))
%51 = icmp eq i64 %50, 0
br i1 %51, label %52, label %53
52: ; preds = %48
store i32 10, i32* %2
br label %64
53: ; preds = %48
%54 = load i8*, i8** %3
%55 = call i64 @strcmp(i8* %54, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.10, i64 0, i64 0))
%56 = icmp eq i64 %55, 0
br i1 %56, label %57, label %58
57: ; preds = %53
store i32 11, i32* %2
br label %64
58: ; preds = %53
%59 = load i8*, i8** %3
%60 = call i64 @strcmp(i8* %59, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.11, i64 0, i64 0))
%61 = icmp eq i64 %60, 0
br i1 %61, label %62, label %63
62: ; preds = %58
store i32 12, i32* %2
br label %64
63: ; preds = %58
store i32 13, i32* %2
br label %64
64: ; preds = %63, %62, %57, %52, %47, %42, %37, %32, %27, %22, %17, %12, %7
%65 = load i32, i32* %2
ret i32 %65
}

LLVM IR (-O2):
@.str = [4 x i8] c"get\00"
@.str.1 = [4 x i8] c"put\00"
@.str.2 = [4 x i8] c"!cd\00"
@.str.3 = [4 x i8] c"!ls\00"
@.str.4 = [3 x i8] c"cd\00"
@.str.5 = [3 x i8] c"ls\00"
@.str.6 = [4 x i8] c"pwd\00"
@.str.7 = [5 x i8] c"!pwd\00"
@.str.8 = [4 x i8] c"bye\00"
@.str.9 = [8 x i8] c"connect\00"
@.str.10 = [5 x i8] c"help\00"
@.str.11 = [5 x i8] c"exit\00"
define i32 @matchcmd(i8* %0) {
%2 = tail call i64 @strcmp(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 %38, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %38, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %38, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %38, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %38, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %38, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %38, label %22
22: ; preds = %19
%23 = tail call i64 @strcmp(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 %38, label %25
25: ; preds = %22
%26 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0))
%27 = icmp eq i64 %26, 0
br i1 %27, label %38, label %28
28: ; preds = %25
%29 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.9, i64 0, i64 0))
%30 = icmp eq i64 %29, 0
br i1 %30, label %38, label %31
31: ; preds = %28
%32 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.10, i64 0, i64 0))
%33 = icmp eq i64 %32, 0
br i1 %33, label %38, label %34
34: ; preds = %31
%35 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.11, i64 0, i64 0))
%36 = icmp eq i64 %35, 0
%37 = select i1 %36, i32 12, i32 13
br label %38
38: ; preds = %34, %31, %28, %25, %22, %19, %16, %13, %10, %7, %4, %1
%39 = phi i32 [ 1, %1 ], [ 2, %4 ], [ 3, %7 ], [ 4, %10 ], [ 5, %13 ], [ 6, %16 ], [ 7, %19 ], [ 8, %22 ], [ 9, %25 ], [ 10, %28 ], [ 11, %31 ], [ %37, %34 ]
ret i32 %39
}