#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 age;
  printf("Please enter your age --> ");
  scanf("%d", &age);
  if (age >= 65) {
    printf("Retired yet?\n");
  } else {
    if (age >= 40) {
      printf("In your prime.\n");
    } else {
      printf("Just getting started.\n");
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x41,-0x8(%rbp)
jl     1166 <main+0x46>
lea    0xec2(%rip),%rdi
call   1030 <printf@plt>
jmp    1192 <main+0x72>
cmpl   $0x28,-0x8(%rbp)
jl     1181 <main+0x61>
lea    0xeb5(%rip),%rdi
call   1030 <printf@plt>
jmp    118d <main+0x6d>
lea    0xeb4(%rip),%rdi
call   1030 <printf@plt>
jmp    1192 <main+0x72>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xec8(%rip),%rdi
call   1040 <printf@plt>
lea    0xed7(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%eax
cmp    $0x28,%eax
lea    0xed8(%rip),%rcx
lea    0xebb(%rip),%rdx
cmovge %rcx,%rdx
cmp    $0x41,%eax
lea    0xed2(%rip),%rdi
cmovl  %rdx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Please enter your age --> \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [14 x i8] c"Retired yet?\0A\00"
@.str.3 = [16 x i8] c"In your prime.\0A\00"
@.str.4 = [23 x i8] c"Just getting started.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%5 = load i32, i32* %2
%6 = icmp sge i32 %5, 65
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0))
br label %17
9: ; preds = %0
%10 = load i32, i32* %2
%11 = icmp sge i32 %10, 40
br i1 %11, label %12, label %14
12: ; preds = %9
%13 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0))
br label %16
14: ; preds = %9
%15 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
br label %16
16: ; preds = %14, %12
br label %17
17: ; preds = %16, %7
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Please enter your age --> \00"
@.str.1 = [3 x i8] c"%d\00"
@str = [22 x i8] c"Just getting started.\00"
@str.5 = [15 x i8] c"In your prime.\00"
@str.6 = [13 x i8] c"Retired yet?\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp sgt i32 %5, 64
%7 = icmp sgt i32 %5, 39
%8 = select i1 %7, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @str.5, i64 0, i64 0), i8* getelementptr inbounds ([22 x i8], [22 x i8]* @str, i64 0, i64 0)
%9 = select i1 %6, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @str.6, i64 0, i64 0), i8* %8
%10 = call i32 @puts(i8* dereferenceable(1) %9)
ret i32 0
}