#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 */
scalar_t__ strcmp(char *, char *);
int opt_welldefined(char *ep) {
  if ((strcmp(ep, "USER") == 0) || (strcmp(ep, "DISPLAY") == 0) ||
      (strcmp(ep, "PRINTER") == 0) || (strcmp(ep, "SYSTEMTYPE") == 0) ||
      (strcmp(ep, "JOB") == 0) || (strcmp(ep, "ACCT") == 0))
    return (1);
  return (0);
}


x86 assembly (clang, -O0):
<opt_welldefined>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     11b8 <opt_welldefined+0xa8>
mov    -0x10(%rbp),%rdi
lea    0xec4(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     11b8 <opt_welldefined+0xa8>
mov    -0x10(%rbp),%rdi
lea    0xeb2(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     11b8 <opt_welldefined+0xa8>
mov    -0x10(%rbp),%rdi
lea    0xea0(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     11b8 <opt_welldefined+0xa8>
mov    -0x10(%rbp),%rdi
lea    0xe91(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     11b8 <opt_welldefined+0xa8>
mov    -0x10(%rbp),%rdi
lea    0xe7b(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11c4 <opt_welldefined+0xb4>
movl   $0x1,-0x4(%rbp)
jmp    11cb <opt_welldefined+0xbb>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<opt_welldefined>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %rax,%rax
je     1194 <opt_welldefined+0x84>
lea    0xed2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1194 <opt_welldefined+0x84>
lea    0xec6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1194 <opt_welldefined+0x84>
lea    0xeba(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1194 <opt_welldefined+0x84>
lea    0xeb1(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1194 <opt_welldefined+0x84>
lea    0xea1(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ebp,%ebp
test   %rax,%rax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [5 x i8] c"USER\00"
@.str.1 = [8 x i8] c"DISPLAY\00"
@.str.2 = [8 x i8] c"PRINTER\00"
@.str.3 = [11 x i8] c"SYSTEMTYPE\00"
@.str.4 = [4 x i8] c"JOB\00"
@.str.5 = [5 x i8] c"ACCT\00"
define i32 @opt_welldefined(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %27, label %7
7: ; preds = %1
%8 = load i8*, i8** %3
%9 = call i64 @strcmp(i8* %8, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%10 = icmp eq i64 %9, 0
br i1 %10, label %27, label %11
11: ; preds = %7
%12 = load i8*, i8** %3
%13 = call i64 @strcmp(i8* %12, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%14 = icmp eq i64 %13, 0
br i1 %14, label %27, label %15
15: ; preds = %11
%16 = load i8*, i8** %3
%17 = call i64 @strcmp(i8* %16, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %27, label %19
19: ; preds = %15
%20 = load i8*, i8** %3
%21 = call i64 @strcmp(i8* %20, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%22 = icmp eq i64 %21, 0
br i1 %22, label %27, label %23
23: ; preds = %19
%24 = load i8*, i8** %3
%25 = call i64 @strcmp(i8* %24, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%26 = icmp eq i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23, %19, %15, %11, %7, %1
store i32 1, i32* %2
br label %29
28: ; preds = %23
store i32 0, i32* %2
br label %29
29: ; preds = %28, %27
%30 = load i32, i32* %2
ret i32 %30
}

LLVM IR (-O2):
@.str = [5 x i8] c"USER\00"
@.str.1 = [8 x i8] c"DISPLAY\00"
@.str.2 = [8 x i8] c"PRINTER\00"
@.str.3 = [11 x i8] c"SYSTEMTYPE\00"
@.str.4 = [4 x i8] c"JOB\00"
@.str.5 = [5 x i8] c"ACCT\00"
define i32 @opt_welldefined(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %20, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %20, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %20, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %20, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %20, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
%19 = zext i1 %18 to i32
br label %20
20: ; preds = %16, %1, %4, %7, %10, %13
%21 = phi i32 [ 1, %13 ], [ 1, %10 ], [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %19, %16 ]
ret i32 %21
}