#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 a;
  scanf("%d\n", &a);
  if (a == 1)
    printf("one");
  if (a == 2)
    printf("two");
  if (a == 3)
    printf("three");
  if (a == 4)
    printf("four");
  if (a == 5)
    printf("five");
  if (a == 6)
    printf("six");
  if (a == 7)
    printf("seven");
  if (a == 8)
    printf("eight");
  if (a == 9)
    printf("nine");
  if (a == 0)
    printf("zero");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x1,-0x8(%rbp)
jne    1155 <main+0x35>
lea    0xeb4(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x2,-0x8(%rbp)
jne    116b <main+0x4b>
lea    0xea2(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x3,-0x8(%rbp)
jne    1181 <main+0x61>
lea    0xe90(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x4,-0x8(%rbp)
jne    1197 <main+0x77>
lea    0xe80(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x5,-0x8(%rbp)
jne    11ad <main+0x8d>
lea    0xe6f(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x6,-0x8(%rbp)
jne    11c3 <main+0xa3>
lea    0xe5e(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x7,-0x8(%rbp)
jne    11d9 <main+0xb9>
lea    0xe4c(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x8,-0x8(%rbp)
jne    11ef <main+0xcf>
lea    0xe3c(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x9,-0x8(%rbp)
jne    1205 <main+0xe5>
lea    0xe2c(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x0,-0x8(%rbp)
jne    121b <main+0xfb>
lea    0xe1b(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%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
cmp    $0x1,%eax
je     1183 <main+0x63>
cmp    $0x2,%eax
je     1198 <main+0x78>
cmp    $0x3,%eax
je     11ad <main+0x8d>
cmp    $0x4,%eax
je     11c2 <main+0xa2>
cmp    $0x5,%eax
je     11db <main+0xbb>
cmp    $0x6,%eax
je     11f4 <main+0xd4>
cmp    $0x7,%eax
je     120d <main+0xed>
cmp    $0x8,%eax
je     1226 <main+0x106>
cmp    $0x9,%eax
je     123f <main+0x11f>
test   %eax,%eax
je     1257 <main+0x137>
xor    %eax,%eax
pop    %rcx
ret
lea    0xe7a(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x2,%eax
jne    1140 <main+0x20>
lea    0xe69(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x3,%eax
jne    1145 <main+0x25>
lea    0xe58(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x4,%eax
jne    114a <main+0x2a>
lea    0xe49(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x5,%eax
jne    1153 <main+0x33>
lea    0xe35(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x6,%eax
jne    115c <main+0x3c>
lea    0xe21(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x7,%eax
jne    1165 <main+0x45>
lea    0xe0c(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x8,%eax
jne    116e <main+0x4e>
lea    0xdf9(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
cmp    $0x9,%eax
jne    1177 <main+0x57>
lea    0xde6(%rip),%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%eax
test   %eax,%eax
jne    117f <main+0x5f>
lea    0xdd3(%rip),%rdi
call   1030 <printf@plt>
jmp    117f <main+0x5f>

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [4 x i8] c"one\00"
@.str.2 = [4 x i8] c"two\00"
@.str.3 = [6 x i8] c"three\00"
@.str.4 = [5 x i8] c"four\00"
@.str.5 = [5 x i8] c"five\00"
@.str.6 = [4 x i8] c"six\00"
@.str.7 = [6 x i8] c"seven\00"
@.str.8 = [6 x i8] c"eight\00"
@.str.9 = [5 x i8] c"nine\00"
@.str.10 = [5 x i8] c"zero\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
%5 = icmp eq i32 %4, 1
br i1 %5, label %6, label %8
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %8
8: ; preds = %6, %0
%9 = load i32, i32* %2
%10 = icmp eq i32 %9, 2
br i1 %10, label %11, label %13
11: ; preds = %8
%12 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %13
13: ; preds = %11, %8
%14 = load i32, i32* %2
%15 = icmp eq i32 %14, 3
br i1 %15, label %16, label %18
16: ; preds = %13
%17 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
br label %18
18: ; preds = %16, %13
%19 = load i32, i32* %2
%20 = icmp eq i32 %19, 4
br i1 %20, label %21, label %23
21: ; preds = %18
%22 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
br label %23
23: ; preds = %21, %18
%24 = load i32, i32* %2
%25 = icmp eq i32 %24, 5
br i1 %25, label %26, label %28
26: ; preds = %23
%27 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
br label %28
28: ; preds = %26, %23
%29 = load i32, i32* %2
%30 = icmp eq i32 %29, 6
br i1 %30, label %31, label %33
31: ; preds = %28
%32 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
br label %33
33: ; preds = %31, %28
%34 = load i32, i32* %2
%35 = icmp eq i32 %34, 7
br i1 %35, label %36, label %38
36: ; preds = %33
%37 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0))
br label %38
38: ; preds = %36, %33
%39 = load i32, i32* %2
%40 = icmp eq i32 %39, 8
br i1 %40, label %41, label %43
41: ; preds = %38
%42 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
br label %43
43: ; preds = %41, %38
%44 = load i32, i32* %2
%45 = icmp eq i32 %44, 9
br i1 %45, label %46, label %48
46: ; preds = %43
%47 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.9, i64 0, i64 0))
br label %48
48: ; preds = %46, %43
%49 = load i32, i32* %2
%50 = icmp eq i32 %49, 0
br i1 %50, label %51, label %53
51: ; preds = %48
%52 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.10, i64 0, i64 0))
br label %53
53: ; preds = %51, %48
%54 = load i32, i32* %1
ret i32 %54
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [4 x i8] c"one\00"
@.str.2 = [4 x i8] c"two\00"
@.str.3 = [6 x i8] c"three\00"
@.str.4 = [5 x i8] c"four\00"
@.str.5 = [5 x i8] c"five\00"
@.str.6 = [4 x i8] c"six\00"
@.str.7 = [6 x i8] c"seven\00"
@.str.8 = [6 x i8] c"eight\00"
@.str.9 = [5 x i8] c"nine\00"
@.str.10 = [5 x i8] c"zero\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = icmp eq i32 %4, 1
br i1 %5, label %6, label %9
6: ; preds = %0
%7 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* %1
br label %9
9: ; preds = %6, %0
%10 = phi i32 [ %8, %6 ], [ %4, %0 ]
%11 = icmp eq i32 %10, 2
br i1 %11, label %12, label %15
12: ; preds = %9
%13 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%14 = load i32, i32* %1
br label %15
15: ; preds = %12, %9
%16 = phi i32 [ %14, %12 ], [ %10, %9 ]
%17 = icmp eq i32 %16, 3
br i1 %17, label %18, label %21
18: ; preds = %15
%19 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%20 = load i32, i32* %1
br label %21
21: ; preds = %18, %15
%22 = phi i32 [ %20, %18 ], [ %16, %15 ]
%23 = icmp eq i32 %22, 4
br i1 %23, label %24, label %27
24: ; preds = %21
%25 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%26 = load i32, i32* %1
br label %27
27: ; preds = %24, %21
%28 = phi i32 [ %26, %24 ], [ %22, %21 ]
%29 = icmp eq i32 %28, 5
br i1 %29, label %30, label %33
30: ; preds = %27
%31 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%32 = load i32, i32* %1
br label %33
33: ; preds = %30, %27
%34 = phi i32 [ %32, %30 ], [ %28, %27 ]
%35 = icmp eq i32 %34, 6
br i1 %35, label %36, label %39
36: ; preds = %33
%37 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
%38 = load i32, i32* %1
br label %39
39: ; preds = %36, %33
%40 = phi i32 [ %38, %36 ], [ %34, %33 ]
%41 = icmp eq i32 %40, 7
br i1 %41, label %42, label %45
42: ; preds = %39
%43 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0))
%44 = load i32, i32* %1
br label %45
45: ; preds = %42, %39
%46 = phi i32 [ %44, %42 ], [ %40, %39 ]
%47 = icmp eq i32 %46, 8
br i1 %47, label %48, label %51
48: ; preds = %45
%49 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
%50 = load i32, i32* %1
br label %51
51: ; preds = %48, %45
%52 = phi i32 [ %50, %48 ], [ %46, %45 ]
%53 = icmp eq i32 %52, 9
br i1 %53, label %54, label %57
54: ; preds = %51
%55 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.9, i64 0, i64 0))
%56 = load i32, i32* %1
br label %57
57: ; preds = %54, %51
%58 = phi i32 [ %56, %54 ], [ %52, %51 ]
%59 = icmp eq i32 %58, 0
br i1 %59, label %60, label %62
60: ; preds = %57
%61 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.10, i64 0, i64 0))
br label %62
62: ; preds = %60, %57
ret i32 0
}