#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 M, suma, i, n;
  suma = 0;
  i = 1;
  printf("Podaj liczbę M: ");
  scanf("%d\n", &M);
  while (suma < M) {
    suma = suma + i;
    i = i + 1;
  }
  n = i + 1;
  printf("Szukane n to: %d", n);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
movl   $0x1,-0x10(%rbp)
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    117e <main+0x5e>
mov    -0xc(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    115b <main+0x3b>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%esi
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %ebx,%ebx
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed6(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%eax
mov    $0x2,%esi
test   %eax,%eax
jle    116c <main+0x4c>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
add    %esi,%ebx
add    $0xffffffff,%ebx
add    $0x1,%esi
cmp    %eax,%ebx
jl     1160 <main+0x40>
lea    0xea3(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [18 x i8] c"Podaj liczb\C4\99 M: \00"
@.str.1 = [4 x i8] c"%d\0A\00"
@.str.2 = [17 x i8] c"Szukane n to: %d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
store i32 1, i32* %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %8
8: ; preds = %12, %0
%9 = load i32, i32* %3
%10 = load i32, i32* %2
%11 = icmp slt i32 %9, %10
br i1 %11, label %12, label %18
12: ; preds = %8
%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 = add nsw i32 %16, 1
store i32 %17, i32* %4
br label %8
18: ; preds = %8
%19 = load i32, i32* %4
%20 = add nsw i32 %19, 1
store i32 %20, i32* %5
%21 = load i32, i32* %5
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %21)
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"Podaj liczb\C4\99 M: \00"
@.str.1 = [4 x i8] c"%d\0A\00"
@.str.2 = [17 x i8] c"Szukane n to: %d\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 ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp sgt i32 %5, 0
br i1 %6, label %7, label %15
7: ; preds = %0, %7
%8 = phi i32 [ %10, %7 ], [ 0, %0 ]
%9 = phi i32 [ %11, %7 ], [ 1, %0 ]
%10 = add nuw nsw i32 %8, %9
%11 = add nuw nsw i32 %9, 1
%12 = icmp slt i32 %10, %5
br i1 %12, label %7, label %13
13: ; preds = %7
%14 = add nuw i32 %9, 2
br label %15
15: ; preds = %13, %0
%16 = phi i32 [ 2, %0 ], [ %14, %13 ]
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %16)
ret i32 0
}