#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*/ printf(char *);
int main() {
  printf("before...\n");
#pragma omp parallel
  {{printf("parallel 1...\n");
}
}
#pragma omp parallel
{ printf("parallel 2...\n"); }
{} {
  printf("#pragma omp parallel");
  printf("\" and continuation in the next line #pragma omp parallel\" and "
         "especially strange escape character usage\n");
}
printf("after...\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee4(%rip),%rdi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xf50(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xeeb(%rip),%rdi
call   1030 <puts@plt>
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb4(%rip),%rdi
call   1040 <printf@plt>
lea    0xee3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3f(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [11 x i8] c"before...\0A\00"
@.str.1 = [15 x i8] c"parallel 1...\0A\00"
@.str.2 = [15 x i8] c"parallel 2...\0A\00"
@.str.3 = [21 x i8] c"#pragma omp parallel\00"
@.str.4 = [105 x i8] c"\22 and continuation in the next line #pragma omp parallel\22 and especially strange escape character usage\0A\00"
@.str.5 = [10 x i8] c"after...\0A\00"
define i32 @main() {
%1 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([105 x i8], [105 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.3 = [21 x i8] c"#pragma omp parallel\00"
@str = [10 x i8] c"before...\00"
@str.6 = [14 x i8] c"parallel 1...\00"
@str.7 = [14 x i8] c"parallel 2...\00"
@str.8 = [104 x i8] c"\22 and continuation in the next line #pragma omp parallel\22 and especially strange escape character usage\00"
@str.9 = [9 x i8] c"after...\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([104 x i8], [104 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.9, i64 0, i64 0))
ret i32 0
}