#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*/ gets(char *);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *, int *);
int main() {
  int x, y;
  char c[100];
  scanf("%d %d", &x, &y);
  gets(c);
  gets(c);
  printf("printing ints: %d %d\n", x, y);
  printf("printing gets contents: %s\n", c);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1050 <scanf@plt>
lea    -0x70(%rbp),%rdi
call   1040 <gets@plt>
lea    -0x70(%rbp),%rdi
call   1040 <gets@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x70(%rbp),%rsi
lea    0xe98(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x80,%rsp
lea    0xec1(%rip),%rdi
lea    0xc(%rsp),%rsi
lea    0x8(%rsp),%rdx
call   1050 <scanf@plt>
lea    0x10(%rsp),%rbx
mov    %rbx,%rdi
call   1040 <gets@plt>
mov    %rbx,%rdi
call   1040 <gets@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
lea    0xe94(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe9c(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x80,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [6 x i8] c"%d %d\00"
@.str.1 = [22 x i8] c"printing ints: %d %d\0A\00"
@.str.2 = [28 x i8] c"printing gets contents: %s\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca [100 x i8]
store i32 0, i32* %1
%5 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %2, i32* %3)
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %4, i64 0, i64 0
%7 = call i32 @gets(i8* %6)
%8 = getelementptr inbounds [100 x i8], [100 x i8]* %4, i64 0, i64 0
%9 = call i32 @gets(i8* %8)
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %10, i32 %11)
%13 = getelementptr inbounds [100 x i8], [100 x i8]* %4, i64 0, i64 0
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i8* %13)
ret i32 0
}

LLVM IR (-O2):
@.str = [6 x i8] c"%d %d\00"
@.str.1 = [22 x i8] c"printing ints: %d %d\0A\00"
@.str.2 = [28 x i8] c"printing gets contents: %s\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [100 x i8]
%4 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %3, i64 0, i64 0
%7 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2)
%8 = call i32 @gets(i8* %6)
%9 = call i32 @gets(i8* %6)
%10 = load i32, i32* %1
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %10, i32 %11)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i8* %6)
ret i32 0
}