#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 n;
  scanf("%d", &n);
  if (n < 0) {
    printf("minus ");
    n *= -1;
  }
  switch (n) {
  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;
  }
  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>
cmpl   $0x0,-0x8(%rbp)
jge    115c <main+0x3c>
lea    0xedb(%rip),%rdi
call   1030 <printf@plt>
imul   $0xffffffff,-0x8(%rbp),%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%eax
mov    %rax,-0x10(%rbp)
sub    $0x9,%rax
ja     1226 <main+0x106>
mov    -0x10(%rbp),%rax
lea    0xe88(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xeaa(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe91(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe84(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe79(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe6d(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe61(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe54(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe49(%rip),%rdi
call   1030 <printf@plt>
jmp    1226 <main+0x106>
lea    0xe3e(%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>
mov    0x4(%rsp),%eax
test   %eax,%eax
js     1158 <main+0x38>
cmp    $0x9,%eax
ja     1154 <main+0x34>
cltq
lea    0xef4(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret
lea    0xea4(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
sub    0x4(%rsp),%eax
mov    %eax,0x4(%rsp)
cmp    $0x9,%eax
jbe    113f <main+0x1f>
jmp    1154 <main+0x34>

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [7 x i8] c"minus \00"
@.str.2 = [5 x i8] c"zero\00"
@.str.3 = [4 x i8] c"one\00"
@.str.4 = [4 x i8] c"two\00"
@.str.5 = [6 x i8] c"three\00"
@.str.6 = [5 x i8] c"four\00"
@.str.7 = [5 x i8] c"five\00"
@.str.8 = [4 x i8] c"six\00"
@.str.9 = [6 x i8] c"seven\00"
@.str.10 = [6 x i8] c"eight\00"
@.str.11 = [5 x i8] c"nine\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
%5 = icmp slt i32 %4, 0
br i1 %5, label %6, label %10
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* %2
%9 = mul nsw i32 %8, -1
store i32 %9, i32* %2
br label %10
10: ; preds = %6, %0
%11 = load i32, i32* %2
switch i32 %11, label %32 [
i32 0, label %12
i32 1, label %14
i32 2, label %16
i32 3, label %18
i32 4, label %20
i32 5, label %22
i32 6, label %24
i32 7, label %26
i32 8, label %28
i32 9, label %30
]
12: ; preds = %10
%13 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %32
14: ; preds = %10
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
br label %32
16: ; preds = %10
%17 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
br label %32
18: ; preds = %10
%19 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
br label %32
20: ; preds = %10
%21 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
br label %32
22: ; preds = %10
%23 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i64 0, i64 0))
br label %32
24: ; preds = %10
%25 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0))
br label %32
26: ; preds = %10
%27 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.9, i64 0, i64 0))
br label %32
28: ; preds = %10
%29 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0))
br label %32
30: ; preds = %10
%31 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.11, i64 0, i64 0))
br label %32
32: ; preds = %10, %30, %28, %26, %24, %22, %20, %18, %16, %14, %12
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [7 x i8] c"minus \00"
@.str.2 = [5 x i8] c"zero\00"
@.str.3 = [4 x i8] c"one\00"
@.str.4 = [4 x i8] c"two\00"
@.str.5 = [6 x i8] c"three\00"
@.str.6 = [5 x i8] c"four\00"
@.str.7 = [5 x i8] c"five\00"
@.str.8 = [4 x i8] c"six\00"
@.str.9 = [6 x i8] c"seven\00"
@.str.10 = [6 x i8] c"eight\00"
@.str.11 = [5 x i8] c"nine\00"
@reltable.main = [10 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([5 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 ([4 x i8]* @.str.4 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 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 ([5 x i8]* @.str.7 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 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 ([6 x i8]* @.str.10 to i64), i64 ptrtoint ([10 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.11 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 slt i32 %4, 0
br i1 %5, label %6, label %10
6: ; preds = %0
%7 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* %1
%9 = sub nsw i32 0, %8
store i32 %9, i32* %1
br label %10
10: ; preds = %6, %0
%11 = phi i32 [ %9, %6 ], [ %4, %0 ]
%12 = icmp ult i32 %11, 10
br i1 %12, label %13, label %18
13: ; preds = %10
%14 = sext i32 %11 to i64
%15 = shl i64 %14, 2
%16 = call i8* @llvm.load.relative.i64(i8* bitcast ([10 x i32]* @reltable.main to i8*), i64 %15)
%17 = call i32 @printf(i8* dereferenceable(1) %16)
br label %18
18: ; preds = %10, %13
ret i32 0
}