#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 S_IRGRP;
int S_IROTH;
int S_IRUSR;
int S_IWGRP;
int S_IWOTH;
int S_IWUSR;
scalar_t__ creat(char *, int);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ umask(int);
int main(void) {
  umask(0);
  if (creat("foo",
            (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)) < 0) {
    printf("creat error for foo\n");
    exit(-1);
  }
  umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
  if (creat("bar",
            (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)) < 0) {
    printf("creat error for bar\n");
    exit(-1);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
xor    %edi,%edi
call   1040 <umask@plt>
mov    0x2e63(%rip),%rax
mov    (%rax),%esi
mov    0x2e7a(%rip),%rax
or     (%rax),%esi
mov    0x2e61(%rip),%rax
or     (%rax),%esi
mov    0x2e70(%rip),%rax
or     (%rax),%esi
mov    0x2e47(%rip),%rax
or     (%rax),%esi
mov    0x2e26(%rip),%rax
or     (%rax),%esi
lea    0xe6d(%rip),%rdi
call   1050 <creat@plt>
cmp    $0x0,%rax
jge    11b8 <main+0x78>
lea    0xe5b(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
mov    0x2e11(%rip),%rax
mov    (%rax),%edi
mov    0x2e20(%rip),%rax
or     (%rax),%edi
mov    0x2df7(%rip),%rax
or     (%rax),%edi
mov    0x2dd6(%rip),%rax
or     (%rax),%edi
call   1040 <umask@plt>
mov    0x2dd8(%rip),%rax
mov    (%rax),%esi
mov    0x2def(%rip),%rax
or     (%rax),%esi
mov    0x2dd6(%rip),%rax
or     (%rax),%esi
mov    0x2de5(%rip),%rax
or     (%rax),%esi
mov    0x2dbc(%rip),%rax
or     (%rax),%esi
mov    0x2d9b(%rip),%rax
or     (%rax),%esi
lea    0xdfb(%rip),%rdi
call   1050 <creat@plt>
cmp    $0x0,%rax
jge    1243 <main+0x103>
lea    0xde9(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
xor    %edi,%edi
call   1040 <umask@plt>
mov    0x2e67(%rip),%r14
mov    0x2e80(%rip),%r15
mov    (%r15),%esi
or     (%r14),%esi
mov    0x2e63(%rip),%r12
or     (%r12),%esi
mov    0x2e70(%rip),%r13
or     0x0(%r13),%esi
mov    0x2e45(%rip),%rbx
or     (%rbx),%esi
mov    0x2e24(%rip),%rbp
or     0x0(%rbp),%esi
lea    0xe8e(%rip),%rdi
call   1050 <creat@plt>
test   %rax,%rax
js     11e7 <main+0xa7>
mov    0x0(%r13),%edi
or     (%r12),%edi
or     (%rbx),%edi
or     0x0(%rbp),%edi
call   1040 <umask@plt>
mov    (%r15),%esi
or     (%r14),%esi
or     (%r12),%esi
or     0x0(%r13),%esi
or     (%rbx),%esi
or     0x0(%rbp),%esi
lea    0xe44(%rip),%rdi
call   1050 <creat@plt>
test   %rax,%rax
js     11f0 <main+0xb0>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret
lea    0xe26(%rip),%rdi
jmp    11f7 <main+0xb7>
lea    0xe09(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"foo\00"
@S_IRUSR = global i32 0
@S_IWUSR = global i32 0
@S_IRGRP = global i32 0
@S_IWGRP = global i32 0
@S_IROTH = global i32 0
@S_IWOTH = global i32 0
@.str.1 = [21 x i8] c"creat error for foo\0A\00"
@.str.2 = [4 x i8] c"bar\00"
@.str.3 = [21 x i8] c"creat error for bar\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @umask(i32 0)
%3 = load i32, i32* @S_IRUSR
%4 = load i32, i32* @S_IWUSR
%5 = or i32 %3, %4
%6 = load i32, i32* @S_IRGRP
%7 = or i32 %5, %6
%8 = load i32, i32* @S_IWGRP
%9 = or i32 %7, %8
%10 = load i32, i32* @S_IROTH
%11 = or i32 %9, %10
%12 = load i32, i32* @S_IWOTH
%13 = or i32 %11, %12
%14 = call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = icmp slt i64 %14, 0
br i1 %15, label %16, label %19
16: ; preds = %0
%17 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
%18 = call i32 @exit(i32 -1)
unreachable
19: ; preds = %0
%20 = load i32, i32* @S_IRGRP
%21 = load i32, i32* @S_IWGRP
%22 = or i32 %20, %21
%23 = load i32, i32* @S_IROTH
%24 = or i32 %22, %23
%25 = load i32, i32* @S_IWOTH
%26 = or i32 %24, %25
%27 = call i32 @umask(i32 %26)
%28 = load i32, i32* @S_IRUSR
%29 = load i32, i32* @S_IWUSR
%30 = or i32 %28, %29
%31 = load i32, i32* @S_IRGRP
%32 = or i32 %30, %31
%33 = load i32, i32* @S_IWGRP
%34 = or i32 %32, %33
%35 = load i32, i32* @S_IROTH
%36 = or i32 %34, %35
%37 = load i32, i32* @S_IWOTH
%38 = or i32 %36, %37
%39 = call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %38)
%40 = icmp slt i64 %39, 0
br i1 %40, label %41, label %44
41: ; preds = %19
%42 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%43 = call i32 @exit(i32 -1)
unreachable
44: ; preds = %19
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"foo\00"
@S_IRUSR = global i32 0
@S_IWUSR = global i32 0
@S_IRGRP = global i32 0
@S_IWGRP = global i32 0
@S_IROTH = global i32 0
@S_IWOTH = global i32 0
@.str.2 = [4 x i8] c"bar\00"
@str = [20 x i8] c"creat error for bar\00"
@str.4 = [20 x i8] c"creat error for foo\00"
define i32 @main() {
%1 = tail call i32 @umask(i32 0)
%2 = load i32, i32* @S_IRUSR
%3 = load i32, i32* @S_IWUSR
%4 = or i32 %3, %2
%5 = load i32, i32* @S_IRGRP
%6 = or i32 %4, %5
%7 = load i32, i32* @S_IWGRP
%8 = or i32 %6, %7
%9 = load i32, i32* @S_IROTH
%10 = or i32 %8, %9
%11 = load i32, i32* @S_IWOTH
%12 = or i32 %10, %11
%13 = tail call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = icmp slt i64 %13, 0
br i1 %14, label %15, label %18
15: ; preds = %0
%16 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.4, i64 0, i64 0))
%17 = tail call i32 @exit(i32 -1)
unreachable
18: ; preds = %0
%19 = load i32, i32* @S_IRGRP
%20 = load i32, i32* @S_IWGRP
%21 = or i32 %20, %19
%22 = load i32, i32* @S_IROTH
%23 = or i32 %21, %22
%24 = load i32, i32* @S_IWOTH
%25 = or i32 %23, %24
%26 = tail call i32 @umask(i32 %25)
%27 = load i32, i32* @S_IRUSR
%28 = load i32, i32* @S_IWUSR
%29 = or i32 %28, %27
%30 = load i32, i32* @S_IRGRP
%31 = or i32 %29, %30
%32 = load i32, i32* @S_IWGRP
%33 = or i32 %31, %32
%34 = load i32, i32* @S_IROTH
%35 = or i32 %33, %34
%36 = load i32, i32* @S_IWOTH
%37 = or i32 %35, %36
%38 = tail call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %37)
%39 = icmp slt i64 %38, 0
br i1 %39, label %40, label %43
40: ; preds = %18
%41 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
%42 = tail call i32 @exit(i32 -1)
unreachable
43: ; preds = %18
ret i32 0
}