#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 EXIT_SUCCESS;
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int x;
  int result = 0;
  printf("Enter x\n");
  scanf("%d", &x);
  for (int i = 1; i < (x + 1); ++i) {
    result = result + i;
    printf("i = %d \n", i);
    printf("result = %d \n", result);
  }
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebe(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x1,-0x10(%rbp)
mov    -0x10(%rbp),%eax
mov    -0x8(%rbp),%ecx
add    $0x1,%ecx
cmp    %ecx,%eax
jge    11a5 <main+0x85>
mov    -0xc(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x10(%rbp),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    115b <main+0x3b>
mov    0x2e34(%rip),%rax
mov    (%rax),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xedc(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb6(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
cmpl   $0x0,0x4(%rsp)
jle    119a <main+0x6a>
lea    0xea1(%rip),%r14
lea    0xea3(%rip),%r15
xor    %eax,%eax
xor    %ebx,%ebx
nopl   (%rax)
mov    %eax,%ebp
add    $0x1,%ebp
add    %eax,%ebx
add    $0x1,%ebx
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %ebp,%eax
cmp    0x4(%rsp),%ebp
jl     1170 <main+0x40>
mov    0x2e3f(%rip),%rax
mov    (%rax),%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [9 x i8] c"Enter x\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [9 x i8] c"i = %d \0A\00"
@.str.3 = [14 x i8] c"result = %d \0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 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)
store i32 1, i32* %4
br label %7
7: ; preds = %20, %0
%8 = load i32, i32* %4
%9 = load i32, i32* %2
%10 = add nsw i32 %9, 1
%11 = icmp slt i32 %8, %10
br i1 %11, label %12, label %23
12: ; preds = %7
%13 = load i32, i32* %3
%14 = load i32, i32* %4
%15 = add nsw i32 %13, %14
store i32 %15, i32* %3
%16 = load i32, i32* %4
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 %16)
%18 = load i32, i32* %3
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %12
%21 = load i32, i32* %4
%22 = add nsw i32 %21, 1
store i32 %22, i32* %4
br label %7
23: ; preds = %7
%24 = load i32, i32* @EXIT_SUCCESS
ret i32 %24
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [9 x i8] c"i = %d \0A\00"
@.str.3 = [14 x i8] c"result = %d \0A\00"
@EXIT_SUCCESS = global i32 0
@str = [8 x i8] c"Enter x\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 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 slt i32 %5, 1
br i1 %6, label %7, label %9
7: ; preds = %9, %0
%8 = load i32, i32* @EXIT_SUCCESS
ret i32 %8
9: ; preds = %0, %9
%10 = phi i32 [ %15, %9 ], [ 1, %0 ]
%11 = phi i32 [ %12, %9 ], [ 0, %0 ]
%12 = add nuw nsw i32 %10, %11
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 %10)
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %12)
%15 = add nuw nsw i32 %10, 1
%16 = load i32, i32* %1
%17 = icmp slt i32 %10, %16
br i1 %17, label %9, label %7
}