#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 *);
int main(int argc, char **argv) {
  int a, b, temp;
  printf("Introdueix dos enters: \n");
  scanf("%d %d", &a, &b);
  temp = a;
  a = b;
  b = temp;
  printf("Els valors intercanviats són: %d %d", a, b);
  return (EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
lea    -0x14(%rbp),%rsi
lea    -0x18(%rbp),%rdx
call   1040 <scanf@plt>
mov    -0x14(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x1c(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x14(%rbp),%esi
mov    -0x18(%rbp),%edx
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e5b(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xedb(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
mov    0x4(%rsp),%edx
mov    (%rsp),%esi
mov    %esi,0x4(%rsp)
mov    %edx,(%rsp)
lea    0xe9a(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x2e6c(%rip),%rax
mov    (%rax),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [25 x i8] c"Introdueix dos enters: \0A\00"
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [37 x i8] c"Els valors intercanviats s\C3\B3n: %d %d\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %6, i32* %7)
%11 = load i32, i32* %6
store i32 %11, i32* %8
%12 = load i32, i32* %7
store i32 %12, i32* %6
%13 = load i32, i32* %8
store i32 %13, i32* %7
%14 = load i32, i32* %6
%15 = load i32, i32* %7
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32 %14, i32 %15)
%17 = load i32, i32* @EXIT_SUCCESS
ret i32 %17
}

LLVM IR (-O2):
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [37 x i8] c"Els valors intercanviats s\C3\B3n: %d %d\00"
@EXIT_SUCCESS = global i32 0
@str = [24 x i8] c"Introdueix dos enters: \00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca i32
%5 = bitcast i32* %3 to i8*
%6 = bitcast i32* %4 to i8*
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %3, i32* %4)
%9 = load i32, i32* %3
%10 = load i32, i32* %4
store i32 %10, i32* %3
store i32 %9, i32* %4
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32 %10, i32 %9)
%12 = load i32, i32* @EXIT_SUCCESS
ret i32 %12
}