#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 getpid();
int /*<<< orphan*/ printf(char *, int, int);
int /*<<< orphan*/ sleep(int);
int main(int argc, char *argv[]) {
  int i;
  for (i = 0; i < 10; ++i) {
    printf("my pid = %d, n= %d\n", getpid(), i);
    sleep(1);
  }
  return 0;
}


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)
movl   $0x0,-0x14(%rbp)
cmpl   $0xa,-0x14(%rbp)
jge    1187 <main+0x57>
mov    $0x0,%al
call   1030 <getpid@plt>
mov    %eax,%esi
mov    -0x14(%rbp),%edx
lea    0xe96(%rip),%rdi
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    114d <main+0x1d>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
xor    %eax,%eax
call   1030 <getpid@plt>
lea    0xec1(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
xor    %edx,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x1,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x2,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x3,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x4,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x5,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x6,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x7,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x8,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
call   1030 <getpid@plt>
mov    %rbx,%rdi
mov    %eax,%esi
mov    $0x9,%edx
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"my pid = %d, n= %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %6
br label %7
7: ; preds = %15, %2
%8 = load i32, i32* %6
%9 = icmp slt i32 %8, 10
br i1 %9, label %10, label %18
10: ; preds = %7
%11 = call i32 (...) @getpid()
%12 = load i32, i32* %6
%13 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %11, i32 %12)
%14 = call i32 @sleep(i32 1)
br label %15
15: ; preds = %10
%16 = load i32, i32* %6
%17 = add nsw i32 %16, 1
store i32 %17, i32* %6
br label %7
18: ; preds = %7
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"my pid = %d, n= %d\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 (...) @getpid()
%4 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %3, i32 0)
%5 = tail call i32 @sleep(i32 1)
%6 = tail call i32 (...) @getpid()
%7 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %6, i32 1)
%8 = tail call i32 @sleep(i32 1)
%9 = tail call i32 (...) @getpid()
%10 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %9, i32 2)
%11 = tail call i32 @sleep(i32 1)
%12 = tail call i32 (...) @getpid()
%13 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %12, i32 3)
%14 = tail call i32 @sleep(i32 1)
%15 = tail call i32 (...) @getpid()
%16 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %15, i32 4)
%17 = tail call i32 @sleep(i32 1)
%18 = tail call i32 (...) @getpid()
%19 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %18, i32 5)
%20 = tail call i32 @sleep(i32 1)
%21 = tail call i32 (...) @getpid()
%22 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %21, i32 6)
%23 = tail call i32 @sleep(i32 1)
%24 = tail call i32 (...) @getpid()
%25 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %24, i32 7)
%26 = tail call i32 @sleep(i32 1)
%27 = tail call i32 (...) @getpid()
%28 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %27, i32 8)
%29 = tail call i32 @sleep(i32 1)
%30 = tail call i32 (...) @getpid()
%31 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %30, i32 9)
%32 = tail call i32 @sleep(i32 1)
ret i32 0
}