#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 argc, char const *argv[]) {
  int month;
  scanf("%d", &month);
  switch (month) {
  case 1:
    printf("January\n");
    break;
  case 2:
    printf("February\n");
    break;
  case 3:
    printf("March\n");
    break;
  case 4:
    printf("April\n");
    break;
  case 5:
    printf("May\n");
    break;
  case 6:
    printf("June\n");
    break;
  case 7:
    printf("July\n");
    break;
  case 8:
    printf("August\n");
    break;
  case 9:
    printf("September\n");
    break;
  case 10:
    printf("October\n");
    break;
  case 11:
    printf("November\n");
    break;
  case 12:
    printf("December\n");
    break;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xef3(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x14(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x20(%rbp)
sub    $0xb,%eax
ja     1236 <main+0x116>
mov    -0x20(%rbp),%rax
lea    0xe9a(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xebd(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xeb5(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xeae(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xea4(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe9a(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe8e(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe83(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe78(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe6f(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe69(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe61(%rip),%rdi
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xe5a(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%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
add    $0xffffffff,%eax
cmp    $0xb,%eax
ja     1153 <main+0x33>
cltq
lea    0xf15(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [9 x i8] c"January\0A\00"
@.str.2 = [10 x i8] c"February\0A\00"
@.str.3 = [7 x i8] c"March\0A\00"
@.str.4 = [7 x i8] c"April\0A\00"
@.str.5 = [5 x i8] c"May\0A\00"
@.str.6 = [6 x i8] c"June\0A\00"
@.str.7 = [6 x i8] c"July\0A\00"
@.str.8 = [8 x i8] c"August\0A\00"
@.str.9 = [11 x i8] c"September\0A\00"
@.str.10 = [9 x i8] c"October\0A\00"
@.str.11 = [10 x i8] c"November\0A\00"
@.str.12 = [10 x i8] c"December\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %6)
%8 = load i32, i32* %6
switch i32 %8, label %33 [
i32 1, label %9
i32 2, label %11
i32 3, label %13
i32 4, label %15
i32 5, label %17
i32 6, label %19
i32 7, label %21
i32 8, label %23
i32 9, label %25
i32 10, label %27
i32 11, label %29
i32 12, label %31
]
9: ; preds = %2
%10 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
br label %33
11: ; preds = %2
%12 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
br label %33
13: ; preds = %2
%14 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
br label %33
15: ; preds = %2
%16 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
br label %33
17: ; preds = %2
%18 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
br label %33
19: ; preds = %2
%20 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
br label %33
21: ; preds = %2
%22 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0))
br label %33
23: ; preds = %2
%24 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0))
br label %33
25: ; preds = %2
%26 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.9, i64 0, i64 0))
br label %33
27: ; preds = %2
%28 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.10, i64 0, i64 0))
br label %33
29: ; preds = %2
%30 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.11, i64 0, i64 0))
br label %33
31: ; preds = %2
%32 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.12, i64 0, i64 0))
br label %33
33: ; preds = %2, %31, %29, %27, %25, %23, %21, %19, %17, %15, %13, %11, %9
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@str = [9 x i8] c"December\00"
@str.13 = [9 x i8] c"November\00"
@str.14 = [8 x i8] c"October\00"
@str.15 = [10 x i8] c"September\00"
@str.16 = [7 x i8] c"August\00"
@str.17 = [5 x i8] c"July\00"
@str.18 = [5 x i8] c"June\00"
@str.19 = [4 x i8] c"May\00"
@str.20 = [6 x i8] c"April\00"
@str.21 = [6 x i8] c"March\00"
@str.22 = [9 x i8] c"February\00"
@str.23 = [8 x i8] c"January\00"
@reltable.main = [12 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @str.23 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @str.22 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @str.21 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @str.20 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @str.19 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @str.18 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @str.17 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @str.16 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @str.15 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @str.14 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @str.13 to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @str to i64), i64 ptrtoint ([12 x i32]* @reltable.main to i64)) to i32)]
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = bitcast i32* %3 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
%6 = load i32, i32* %3
%7 = add i32 %6, -1
%8 = icmp ult i32 %7, 12
br i1 %8, label %9, label %14
9: ; preds = %2
%10 = sext i32 %7 to i64
%11 = shl i64 %10, 2
%12 = call i8* @llvm.load.relative.i64(i8* bitcast ([12 x i32]* @reltable.main to i8*), i64 %11)
%13 = call i32 @puts(i8* dereferenceable(1) %12)
br label %14
14: ; preds = %2, %9
ret i32 0
}