#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 main() {
  enum DAYS { SUN = 1, MON, TUE, WED, THU, FRI, SAT } Today;
  printf("Example of printing an enumerated variable\n\n");
  Today = WED;
  printf("Today is: ");
  switch (Today) {
  case SUN:
    printf("Sunday");
    break;
  case MON:
    printf("Monday");
    break;
  case TUE:
    printf("Tuesday");
    break;
  case WED:
    printf("Wednesday");
    break;
  case THU:
    printf("Thursday");
    break;
  case FRI:
    printf("Friday");
    break;
  case SAT:
    printf("Saturday");
    break;
  }
  printf(".\n\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
movl   $0x4,-0x8(%rbp)
lea    0xf10(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x6,%eax
ja     11d9 <main+0xc9>
mov    -0x10(%rbp),%rax
lea    0xea2(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xee6(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xedc(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xed2(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xec9(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xec2(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xeba(%rip),%rdi
call   1030 <printf@plt>
jmp    11d9 <main+0xc9>
lea    0xeb0(%rip),%rdi
call   1030 <printf@plt>
lea    0xead(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
call   1040 <printf@plt>
lea    0xecb(%rip),%rdi
call   1040 <printf@plt>
lea    0xef5(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [45 x i8] c"Example of printing an enumerated variable\0A\0A\00"
@.str.1 = [11 x i8] c"Today is: \00"
@.str.2 = [7 x i8] c"Sunday\00"
@.str.3 = [7 x i8] c"Monday\00"
@.str.4 = [8 x i8] c"Tuesday\00"
@.str.5 = [10 x i8] c"Wednesday\00"
@.str.6 = [9 x i8] c"Thursday\00"
@.str.7 = [7 x i8] c"Friday\00"
@.str.8 = [9 x i8] c"Saturday\00"
@.str.9 = [4 x i8] c".\0A\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
store i32 4, i32* %2
%4 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* %2
switch i32 %5, label %20 [
i32 1, label %6
i32 2, label %8
i32 3, label %10
i32 4, label %12
i32 5, label %14
i32 6, label %16
i32 7, label %18
]
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0))
br label %20
8: ; preds = %0
%9 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
br label %20
10: ; preds = %0
%11 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
br label %20
12: ; preds = %0
%13 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0))
br label %20
14: ; preds = %0
%15 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i64 0, i64 0))
br label %20
16: ; preds = %0
%17 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.7, i64 0, i64 0))
br label %20
18: ; preds = %0
%19 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0))
br label %20
20: ; preds = %0, %18, %16, %14, %12, %10, %8, %6
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [11 x i8] c"Today is: \00"
@.str.5 = [10 x i8] c"Wednesday\00"
@str = [44 x i8] c"Example of printing an enumerated variable\0A\00"
@str.10 = [3 x i8] c".\0A\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str.10, i64 0, i64 0))
ret i32 0
}