#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 */
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int b;
  scanf("%d", &b);
  switch (b) {
  case 0:
    printf("zero");
    break;
  case 1:
    printf("one");
    break;
  case 2:
    printf("two");
    break;
  case 3:
    printf("three");
    break;
  case 4:
    printf("four");
    break;
  case 5:
    printf("five");
    break;
  case 6:
    printf("six");
    break;
  case 7:
    printf("seven");
    break;
  case 8:
    printf("eight");
    break;
  case 9:
    printf("nine");
    break;
  default:
    printf("error");
    break;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xef2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %rax,-0x10(%rbp)
sub    $0x9,%rax
ja     120e <main+0xee>
mov    -0x10(%rbp),%rax
lea    0xea5(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xeb4(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xea7(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe9a(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe8f(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe83(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe77(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe6a(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe5f(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe54(%rip),%rdi
call   1030 <printf@plt>
jmp    121a <main+0xfa>
lea    0xe48(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movslq 0x4(%rsp),%rax
cmp    $0x9,%rax
ja     114d <main+0x2d>
lea    0xef8(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
jmp    1154 <main+0x34>
lea    0xee1(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [5 x i8] c"zero\00"
@.str.2 = [4 x i8] c"one\00"
@.str.3 = [4 x i8] c"two\00"
@.str.4 = [6 x i8] c"three\00"
@.str.5 = [5 x i8] c"four\00"
@.str.6 = [5 x i8] c"five\00"
@.str.7 = [4 x i8] c"six\00"
@.str.8 = [6 x i8] c"seven\00"
@.str.9 = [6 x i8] c"eight\00"
@.str.10 = [5 x i8] c"nine\00"
@.str.11 = [6 x i8] c"error\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
switch i32 %4, label %25 [
i32 0, label %5
i32 1, label %7
i32 2, label %9
i32 3, label %11
i32 4, label %13
i32 5, label %15
i32 6, label %17
i32 7, label %19
i32 8, label %21
i32 9, label %23
]
5: ; preds = %0
%6 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
br label %27
7: ; preds = %0
%8 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %27
9: ; preds = %0
%10 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
br label %27
11: ; preds = %0
%12 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0))
br label %27
13: ; preds = %0
%14 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
br label %27
15: ; preds = %0
%16 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
br label %27
17: ; preds = %0
%18 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
br label %27
19: ; preds = %0
%20 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
br label %27
21: ; preds = %0
%22 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.9, i64 0, i64 0))
br label %27
23: ; preds = %0
%24 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.10, i64 0, i64 0))
br label %27
25: ; preds = %0
%26 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.11, i64 0, i64 0))
br label %27
27: ; preds = %25, %23, %21, %19, %17, %15, %13, %11, %9, %7, %5
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [5 x i8] c"zero\00"
@.str.2 = [4 x i8] c"one\00"
@.str.3 = [4 x i8] c"two\00"
@.str.4 = [6 x i8] c"three\00"
@.str.5 = [5 x i8] c"four\00"
@.str.6 = [5 x i8] c"five\00"
@.str.7 = [4 x i8] c"six\00"
@.str.8 = [6 x i8] c"seven\00"
@.str.9 = [6 x i8] c"eight\00"
@.str.10 = [5 x i8] c"nine\00"
@.str.11 = [6 x i8] c"error\00"
@reltable.main = [10 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.1 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.2 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.3 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.4 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.5 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.6 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.7 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.8 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.9 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.10 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32)]
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = icmp ult i32 %4, 10
br i1 %5, label %6, label %10
6: ; preds = %0
%7 = sext i32 %4 to i64
%8 = shl i64 %7, 2
%9 = call i8* @llvm.load.relative.i64(i8* bitcast ([10 x i32]* @reltable.main to i8*), i64 %8)
br label %10
10: ; preds = %0, %6
%11 = phi i8* [ %9, %6 ], [ getelementptr inbounds ([6 x i8], [6 x i8]* @.str.11, i64 0, i64 0), %0 ]
%12 = call i32 @printf(i8* dereferenceable(1) %11)
ret i32 0
}