#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 rand();
int /*<<< orphan*/ scanf(char *, int *);
int /*<<< orphan*/ srand(int /*<<< orphan*/);
int /*<<< orphan*/ time(int /*<<< orphan*/ *);
int main() {
  int number;
  srand(time(NULL));
  printf("Think of a quastion and enter your favorite number");
  scanf("%d", &number);
  number = rand() % 5 + 1;
  switch (number) {
  case 1:
    printf("Outcome unclear.\n");
    break;
  case 2:
    printf("Absolutely certain.\n ");
    break;
  case 3:
    printf("The answer is no.\n");
    break;
  case 4:
    printf("Ask again.\n");
    break;
  case 5:
    printf("Definitely not.\n");
    break;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
xor    %eax,%eax
mov    %eax,-0x14(%rbp)
mov    %eax,%edi
call   1050 <time@plt>
mov    %eax,%edi
call   1040 <srand@plt>
lea    0xe9b(%rip),%rdi
call   1030 <printf@plt>
lea    0xec2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
mov    -0x14(%rbp),%eax
call   1070 <rand@plt>
mov    %eax,%ecx
movslq %ecx,%rax
imul   $0x66666667,%rax,%rdx
mov    %rdx,%rax
shr    $0x3f,%rax
sar    $0x21,%rdx
add    %eax,%edx
mov    %edx,%eax
lea    (%rax,%rax,4),%edx
mov    %ecx,%eax
neg    %edx
mov    %edx,%ecx
lea    0x1(%rax,%rcx,1),%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x4,%eax
ja     123a <main+0xea>
mov    -0x10(%rbp),%rax
lea    0xe1f(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xe59(%rip),%rdi
call   1030 <printf@plt>
jmp    123a <main+0xea>
lea    0xe5a(%rip),%rdi
call   1030 <printf@plt>
jmp    123a <main+0xea>
lea    0xe5f(%rip),%rdi
call   1030 <printf@plt>
jmp    123a <main+0xea>
lea    0xe61(%rip),%rdi
call   1030 <printf@plt>
jmp    123a <main+0xea>
lea    0xe5c(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %edi,%edi
call   1060 <time@plt>
mov    %eax,%edi
call   1050 <srand@plt>
lea    0xe9e(%rip),%rdi
call   1040 <printf@plt>
lea    0xec5(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1070 <scanf@plt>
xor    %eax,%eax
call   1080 <rand@plt>
movslq %eax,%rcx
imul   $0x66666667,%rcx,%rax
mov    %rax,%rdx
shr    $0x3f,%rdx
sar    $0x21,%rax
add    %edx,%eax
lea    (%rax,%rax,4),%edx
mov    %ecx,%eax
sub    %edx,%eax
neg    %edx
add    %edx,%ecx
add    $0x1,%ecx
mov    %ecx,0x4(%rsp)
cmp    $0x4,%eax
ja     1206 <main+0xa6>
lea    0xe38(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xeb5(%rip),%rdi
jmp    1201 <main+0xa1>
lea    0xe69(%rip),%rdi
call   1040 <printf@plt>
jmp    1206 <main+0xa6>
lea    0xe8c(%rip),%rdi
jmp    1201 <main+0xa1>
lea    0xe78(%rip),%rdi
jmp    1201 <main+0xa1>
lea    0xe5f(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [51 x i8] c"Think of a quastion and enter your favorite number\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [18 x i8] c"Outcome unclear.\0A\00"
@.str.3 = [22 x i8] c"Absolutely certain.\0A \00"
@.str.4 = [19 x i8] c"The answer is no.\0A\00"
@.str.5 = [12 x i8] c"Ask again.\0A\00"
@.str.6 = [17 x i8] c"Definitely not.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @time(i32* null)
%4 = call i32 @srand(i32 %3)
%5 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = call i32 (...) @rand()
%8 = srem i32 %7, 5
%9 = add nsw i32 %8, 1
store i32 %9, i32* %2
%10 = load i32, i32* %2
switch i32 %10, label %21 [
i32 1, label %11
i32 2, label %13
i32 3, label %15
i32 4, label %17
i32 5, label %19
]
11: ; preds = %0
%12 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0))
br label %21
13: ; preds = %0
%14 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0))
br label %21
15: ; preds = %0
%16 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
br label %21
17: ; preds = %0
%18 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0))
br label %21
19: ; preds = %0
%20 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.6, i64 0, i64 0))
br label %21
21: ; preds = %0, %19, %17, %15, %13, %11
ret i32 0
}

LLVM IR (-O2):
@.str = [51 x i8] c"Think of a quastion and enter your favorite number\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.3 = [22 x i8] c"Absolutely certain.\0A \00"
@str = [16 x i8] c"Definitely not.\00"
@str.7 = [11 x i8] c"Ask again.\00"
@str.8 = [18 x i8] c"The answer is no.\00"
@str.9 = [17 x i8] c"Outcome unclear.\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @time(i32* null)
%4 = tail call i32 @srand(i32 %3)
%5 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%7 = call i32 (...) @rand()
%8 = srem i32 %7, 5
%9 = add nsw i32 %8, 1
store i32 %9, i32* %1
switch i32 %8, label %20 [
i32 0, label %10
i32 1, label %12
i32 2, label %14
i32 3, label %16
i32 4, label %18
]
10: ; preds = %0
%11 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.9, i64 0, i64 0))
br label %20
12: ; preds = %0
%13 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0))
br label %20
14: ; preds = %0
%15 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.8, i64 0, i64 0))
br label %20
16: ; preds = %0
%17 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.7, i64 0, i64 0))
br label %20
18: ; preds = %0
%19 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str, i64 0, i64 0))
br label %20
20: ; preds = %0, %18, %16, %14, %12, %10
ret i32 0
}