#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*/ MyThreadExit();
int /*<<< orphan*/ MyThreadYield();
int /*<<< orphan*/ printf(char *);
void t1(void *dummy) {
  printf("t1 start\n");
  printf("t1 going to yield\n");
  MyThreadYield();
  printf("t1 again\n");
  printf("t1 exiting\n");
  MyThreadExit();
  printf("t1 did not exit\n");
}


x86 assembly (clang, -O0):
<t1>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xebd(%rip),%rdi
call   1030 <printf@plt>
lea    0xebb(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1050 <MyThreadYield@plt>
lea    0xebb(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <MyThreadExit@plt>
lea    0xeb2(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<t1>:
push   %rax
lea    0xec8(%rip),%rdi
call   1030 <puts@plt>
lea    0xec5(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1050 <MyThreadYield@plt>
lea    0xec4(%rip),%rdi
call   1030 <puts@plt>
lea    0xec1(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1040 <MyThreadExit@plt>
lea    0xeb9(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [10 x i8] c"t1 start\0A\00"
@.str.1 = [19 x i8] c"t1 going to yield\0A\00"
@.str.2 = [10 x i8] c"t1 again\0A\00"
@.str.3 = [12 x i8] c"t1 exiting\0A\00"
@.str.4 = [17 x i8] c"t1 did not exit\0A\00"
define void @t1(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 (...) @MyThreadYield()
%6 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (...) @MyThreadExit()
%9 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [9 x i8] c"t1 start\00"
@str.5 = [18 x i8] c"t1 going to yield\00"
@str.6 = [9 x i8] c"t1 again\00"
@str.7 = [11 x i8] c"t1 exiting\00"
@str.8 = [16 x i8] c"t1 did not exit\00"
define void @t1(i8* nocapture readnone %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.5, i64 0, i64 0))
%4 = tail call i32 (...) @MyThreadYield()
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.7, i64 0, i64 0))
%7 = tail call i32 (...) @MyThreadExit()
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.8, i64 0, i64 0))
ret void
}