#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*/ err_sys(char *);
int /*<<< orphan*/ umask(int);
int main(int argc, char **argv) {
  umask(0);
  if (creat("foo",
            (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)) < 0) {
    err_sys("creat error on file foo");
  }
  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) {
    err_sys("creat error on file bar");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
xor    %edi,%edi
call   1040 <umask@plt>
mov    0x2e6c(%rip),%rax
mov    (%rax),%esi
mov    0x2e83(%rip),%rax
or     (%rax),%esi
mov    0x2e6a(%rip),%rax
or     (%rax),%esi
mov    0x2e79(%rip),%rax
or     (%rax),%esi
mov    0x2e50(%rip),%rax
or     (%rax),%esi
mov    0x2e2f(%rip),%rax
or     (%rax),%esi
lea    0xe8a(%rip),%rdi
call   1050 <creat@plt>
cmp    $0x0,%rax
jge    11a5 <main+0x75>
lea    0xe60(%rip),%rdi
call   1030 <err_sys@plt>
mov    0x2e24(%rip),%rax
mov    (%rax),%edi
mov    0x2e33(%rip),%rax
or     (%rax),%edi
mov    0x2e0a(%rip),%rax
or     (%rax),%edi
mov    0x2de9(%rip),%rax
or     (%rax),%edi
call   1040 <umask@plt>
mov    0x2deb(%rip),%rax
mov    (%rax),%esi
mov    0x2e02(%rip),%rax
or     (%rax),%esi
mov    0x2de9(%rip),%rax
or     (%rax),%esi
mov    0x2df8(%rip),%rax
or     (%rax),%esi
mov    0x2dcf(%rip),%rax
or     (%rax),%esi
mov    0x2dae(%rip),%rax
or     (%rax),%esi
lea    0xe21(%rip),%rdi
call   1050 <creat@plt>
cmp    $0x0,%rax
jge    1226 <main+0xf6>
lea    0xdf7(%rip),%rdi
call   1030 <err_sys@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    0x2e77(%rip),%r14
mov    0x2e90(%rip),%r15
mov    (%r15),%esi
or     (%r14),%esi
mov    0x2e73(%rip),%r12
or     (%r12),%esi
mov    0x2e80(%rip),%r13
or     0x0(%r13),%esi
mov    0x2e55(%rip),%rbx
or     (%rbx),%esi
mov    0x2e34(%rip),%rbp
or     0x0(%rbp),%esi
lea    0xe8e(%rip),%rdi
call   1050 <creat@plt>
test   %rax,%rax
jns    119c <main+0x6c>
lea    0xe69(%rip),%rdi
call   1030 <err_sys@plt>
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    0xe64(%rip),%rdi
call   1050 <creat@plt>
test   %rax,%rax
jns    11de <main+0xae>
lea    0xe3f(%rip),%rdi
call   1030 <err_sys@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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 = [24 x i8] c"creat error on file foo\00"
@.str.2 = [4 x i8] c"bar\00"
@.str.3 = [24 x i8] c"creat error on file bar\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = call i32 @umask(i32 0)
%7 = load i32, i32* @S_IRUSR
%8 = load i32, i32* @S_IWUSR
%9 = or i32 %7, %8
%10 = load i32, i32* @S_IRGRP
%11 = or i32 %9, %10
%12 = load i32, i32* @S_IWGRP
%13 = or i32 %11, %12
%14 = load i32, i32* @S_IROTH
%15 = or i32 %13, %14
%16 = load i32, i32* @S_IWOTH
%17 = or i32 %15, %16
%18 = call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = icmp slt i64 %18, 0
br i1 %19, label %20, label %22
20: ; preds = %2
%21 = call i32 @err_sys(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
br label %22
22: ; preds = %20, %2
%23 = load i32, i32* @S_IRGRP
%24 = load i32, i32* @S_IWGRP
%25 = or i32 %23, %24
%26 = load i32, i32* @S_IROTH
%27 = or i32 %25, %26
%28 = load i32, i32* @S_IWOTH
%29 = or i32 %27, %28
%30 = call i32 @umask(i32 %29)
%31 = load i32, i32* @S_IRUSR
%32 = load i32, i32* @S_IWUSR
%33 = or i32 %31, %32
%34 = load i32, i32* @S_IRGRP
%35 = or i32 %33, %34
%36 = load i32, i32* @S_IWGRP
%37 = or i32 %35, %36
%38 = load i32, i32* @S_IROTH
%39 = or i32 %37, %38
%40 = load i32, i32* @S_IWOTH
%41 = or i32 %39, %40
%42 = call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %41)
%43 = icmp slt i64 %42, 0
br i1 %43, label %44, label %46
44: ; preds = %22
%45 = call i32 @err_sys(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
br label %46
46: ; preds = %44, %22
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.1 = [24 x i8] c"creat error on file foo\00"
@.str.2 = [4 x i8] c"bar\00"
@.str.3 = [24 x i8] c"creat error on file bar\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @umask(i32 0)
%4 = load i32, i32* @S_IRUSR
%5 = load i32, i32* @S_IWUSR
%6 = or i32 %5, %4
%7 = load i32, i32* @S_IRGRP
%8 = or i32 %6, %7
%9 = load i32, i32* @S_IWGRP
%10 = or i32 %8, %9
%11 = load i32, i32* @S_IROTH
%12 = or i32 %10, %11
%13 = load i32, i32* @S_IWOTH
%14 = or i32 %12, %13
%15 = tail call i64 @creat(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = icmp slt i64 %15, 0
br i1 %16, label %17, label %19
17: ; preds = %2
%18 = tail call i32 @err_sys(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
br label %19
19: ; preds = %17, %2
%20 = load i32, i32* @S_IRGRP
%21 = load i32, i32* @S_IWGRP
%22 = or i32 %21, %20
%23 = load i32, i32* @S_IROTH
%24 = or i32 %22, %23
%25 = load i32, i32* @S_IWOTH
%26 = or i32 %24, %25
%27 = tail call i32 @umask(i32 %26)
%28 = load i32, i32* @S_IRUSR
%29 = load i32, i32* @S_IWUSR
%30 = or i32 %29, %28
%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 = tail 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 %43
41: ; preds = %19
%42 = tail call i32 @err_sys(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
br label %43
43: ; preds = %41, %19
ret i32 0
}