#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*/ fork();
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, int, int);
int getpid();
int /*<<< orphan*/ stdout;
int main() {
  int i;
  for (i = 0; i < 3; i++) {
    fork();
    fprintf(stdout, "Body of process %d and i = %d\n", getpid(), i);
  }
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    119c <main+0x5c>
mov    $0x0,%al
call   1060 <fork@plt>
mov    0x2e72(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0xc(%rbp)
mov    $0x0,%al
call   1030 <getpid@plt>
mov    -0xc(%rbp),%edi
mov    %eax,%edx
mov    -0x8(%rbp),%ecx
lea    0xe77(%rip),%rsi
call   1040 <fprintf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1156 <main+0x16>
xor    %edi,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
xor    %eax,%eax
call   1060 <fork@plt>
mov    0x2e8e(%rip),%rbx
mov    (%rbx),%ebp
xor    %eax,%eax
call   1030 <getpid@plt>
lea    0xe9e(%rip),%r14
mov    %ebp,%edi
mov    %r14,%rsi
mov    %eax,%edx
xor    %ecx,%ecx
call   1040 <fprintf@plt>
xor    %eax,%eax
call   1060 <fork@plt>
mov    (%rbx),%ebp
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %ebp,%edi
mov    %r14,%rsi
mov    %eax,%edx
mov    $0x1,%ecx
call   1040 <fprintf@plt>
xor    %eax,%eax
call   1060 <fork@plt>
mov    (%rbx),%ebp
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %ebp,%edi
mov    %r14,%rsi
mov    %eax,%edx
mov    $0x2,%ecx
call   1040 <fprintf@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@stdout = global i32 0
@.str = [31 x i8] c"Body of process %d and i = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
br label %3
3: ; preds = %12, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 3
br i1 %5, label %6, label %15
6: ; preds = %3
%7 = call i32 (...) @fork()
%8 = load i32, i32* @stdout
%9 = call i32 (...) @getpid()
%10 = load i32, i32* %2
%11 = call i32 @fprintf(i32 %8, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i32 %9, i32 %10)
br label %12
12: ; preds = %6
%13 = load i32, i32* %2
%14 = add nsw i32 %13, 1
store i32 %14, i32* %2
br label %3
15: ; preds = %3
%16 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stdout = global i32 0
@.str = [31 x i8] c"Body of process %d and i = %d\0A\00"
define i32 @main() {
%1 = tail call i32 (...) @fork()
%2 = load i32, i32* @stdout
%3 = tail call i32 (...) @getpid()
%4 = tail call i32 @fprintf(i32 %2, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i32 %3, i32 0)
%5 = tail call i32 (...) @fork()
%6 = load i32, i32* @stdout
%7 = tail call i32 (...) @getpid()
%8 = tail call i32 @fprintf(i32 %6, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i32 %7, i32 1)
%9 = tail call i32 (...) @fork()
%10 = load i32, i32* @stdout
%11 = tail call i32 (...) @getpid()
%12 = tail call i32 @fprintf(i32 %10, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i32 %11, i32 2)
%13 = tail call i32 @exit(i32 0)
unreachable
}