#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 sqrt(int);
int main() {
  int i, k;
  printf("enter the integer");
  scanf("%d", &i);
  while (i > 1000) {
    printf("re-enter the integer");
    scanf("%d", &i);
  }
  k = sqrt(i);
  printf("£ºthe result is:%d\n", k);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeac(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x3e8,-0x8(%rbp)
jle    118d <main+0x5d>
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe81(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
jmp    115d <main+0x2d>
mov    -0x8(%rbp),%edi
call   1050 <sqrt@plt>
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xe76(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xec6(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb2(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%edi
cmp    $0x3e9,%edi
jl     11a1 <main+0x71>
lea    0xe98(%rip),%r14
lea    0xe8e(%rip),%r15
lea    0xc(%rsp),%rbx
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r15,%rdi
mov    %rbx,%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%edi
cmp    $0x3e8,%edi
jg     1180 <main+0x50>
call   1050 <sqrt@plt>
lea    0xe6b(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [18 x i8] c"enter the integer\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [21 x i8] c"re-enter the integer\00"
@.str.3 = [22 x i8] c"\C2\A3\C2\BAthe result is:%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %6
6: ; preds = %9, %0
%7 = load i32, i32* %2
%8 = icmp sgt i32 %7, 1000
br i1 %8, label %9, label %12
9: ; preds = %6
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %6
12: ; preds = %6
%13 = load i32, i32* %2
%14 = call i32 @sqrt(i32 %13)
store i32 %14, i32* %3
%15 = load i32, i32* %3
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 %15)
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"enter the integer\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [21 x i8] c"re-enter the integer\00"
@.str.3 = [22 x i8] c"\C2\A3\C2\BAthe result is:%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 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, 1000
br i1 %6, label %7, label %12
7: ; preds = %0, %7
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
%11 = icmp sgt i32 %10, 1000
br i1 %11, label %7, label %12
12: ; preds = %7, %0
%13 = phi i32 [ %5, %0 ], [ %10, %7 ]
%14 = call i32 @sqrt(i32 %13)
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 %14)
ret i32 0
}