#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*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ stdout;
main() {
  fprintf(stdout, "to stdout\n");
  fprintf(stderr, "to stderr\n");
  fprintf(stdout, "to stdout\n");
  fprintf(stderr, "to stderr\n");
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
lea    0xec1(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e95(%rip),%rax
mov    (%rax),%edi
lea    0xeb7(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
lea    0xe97(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e6b(%rip),%rax
mov    (%rax),%edi
lea    0xe8d(%rip),%rsi
call   1030 <fprintf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    0x2ea9(%rip),%r15
mov    (%r15),%edi
lea    0xec7(%rip),%r14
mov    %r14,%rsi
call   1030 <fprintf@plt>
mov    0x2e98(%rip),%r12
mov    (%r12),%edi
lea    0xeb8(%rip),%rbx
mov    %rbx,%rsi
call   1030 <fprintf@plt>
mov    (%r15),%edi
mov    %r14,%rsi
call   1030 <fprintf@plt>
mov    (%r12),%edi
mov    %rbx,%rsi
call   1030 <fprintf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stdout = global i32 0
@.str = [11 x i8] c"to stdout\0A\00"
@stderr = global i32 0
@.str.1 = [11 x i8] c"to stderr\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = load i32, i32* @stdout
%3 = call i32 @fprintf(i32 %2, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = call i32 @fprintf(i32 %4, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stdout
%7 = call i32 @fprintf(i32 %6, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 @fprintf(i32 %8, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%10 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stdout = global i32 0
@.str = [11 x i8] c"to stdout\0A\00"
@stderr = global i32 0
@.str.1 = [11 x i8] c"to stderr\0A\00"
define i32 @main() {
%1 = load i32, i32* @stdout
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stdout
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%9 = tail call i32 @exit(i32 0)
unreachable
}