#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 chooseBuiltin(char *commandName) {
  if (strcmp(commandName, "exit") == 0)
    return 0;
  if (strcmp(commandName, "cd") == 0)
    return 1;
  if (strcmp(commandName, "pwd") == 0)
    return 2;
  if (strcmp(commandName, "jobs") == 0)
    return 3;
  if (strcmp(commandName, "fg") == 0)
    return 4;
  if (strcmp(commandName, "bg") == 0)
    return 5;
  return -1;
}


x86 assembly (clang, -O0):
<chooseBuiltin>:
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 <chooseBuiltin+0x32>
movl   $0x0,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
mov    -0x10(%rbp),%rdi
lea    0xeb8(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1168 <chooseBuiltin+0x58>
movl   $0x1,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
mov    -0x10(%rbp),%rdi
lea    0xe95(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    118e <chooseBuiltin+0x7e>
movl   $0x2,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
mov    -0x10(%rbp),%rdi
lea    0xe73(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11b4 <chooseBuiltin+0xa4>
movl   $0x3,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
mov    -0x10(%rbp),%rdi
lea    0xe52(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11da <chooseBuiltin+0xca>
movl   $0x4,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
mov    -0x10(%rbp),%rdi
lea    0xe2f(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1200 <chooseBuiltin+0xf0>
movl   $0x5,-0x4(%rbp)
jmp    1207 <chooseBuiltin+0xf7>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<chooseBuiltin>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     118e <chooseBuiltin+0x7e>
lea    0xed9(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1192 <chooseBuiltin+0x82>
lea    0xec8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1199 <chooseBuiltin+0x89>
lea    0xeb8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a0 <chooseBuiltin+0x90>
lea    0xea9(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a7 <chooseBuiltin+0x97>
lea    0xe98(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
neg    %rax
sbb    %eax,%eax
or     $0x5,%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

LLVM IR (-O0):
@.str = [5 x i8] c"exit\00"
@.str.1 = [3 x i8] c"cd\00"
@.str.2 = [4 x i8] c"pwd\00"
@.str.3 = [5 x i8] c"jobs\00"
@.str.4 = [3 x i8] c"fg\00"
@.str.5 = [3 x i8] c"bg\00"
define i32 @chooseBuiltin(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 ([5 x i8], [5 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 0, i32* %2
br label %34
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([3 x i8], [3 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 1, i32* %2
br label %34
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 2, i32* %2
br label %34
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i64 @strcmp(i8* %19, i8* getelementptr inbounds ([5 x i8], [5 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 3, i32* %2
br label %34
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 4, i32* %2
br label %34
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 5, i32* %2
br label %34
33: ; preds = %28
store i32 -1, i32* %2
br label %34
34: ; preds = %33, %32, %27, %22, %17, %12, %7
%35 = load i32, i32* %2
ret i32 %35
}

LLVM IR (-O2):
@.str = [5 x i8] c"exit\00"
@.str.1 = [3 x i8] c"cd\00"
@.str.2 = [4 x i8] c"pwd\00"
@.str.3 = [5 x i8] c"jobs\00"
@.str.4 = [3 x i8] c"fg\00"
@.str.5 = [3 x i8] c"bg\00"
define i32 @chooseBuiltin(i8* %0) {
%2 = tail call i64 @strcmp(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 %20, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %20, 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 %20, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(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 %20, 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 %20, 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
%19 = select i1 %18, i32 5, i32 -1
br label %20
20: ; preds = %16, %13, %10, %7, %4, %1
%21 = phi i32 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ 3, %10 ], [ 4, %13 ], [ %19, %16 ]
ret i32 %21
}