#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*/ EXIT_FAILURE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ stderr;
scalar_t__ strncmp(char *, char *, int);
int aa_atomNumbers(char *residueName) {
  if (strncmp(residueName, "ALA", 3) == 0)
    return (13);
  if (strncmp(residueName, "ARG", 3) == 0)
    return (27);
  if (strncmp(residueName, "ASN", 3) == 0)
    return (17);
  if (strncmp(residueName, "ASP", 3) == 0)
    return (15);
  if (strncmp(residueName, "CYS", 3) == 0)
    return (14);
  if (strncmp(residueName, "GLN", 3) == 0)
    return (20);
  if (strncmp(residueName, "GLU", 3) == 0)
    return (18);
  if (strncmp(residueName, "GLY", 3) == 0)
    return (10);
  if (strncmp(residueName, "HIS", 3) == 0)
    return (20);
  if (strncmp(residueName, "HSD", 3) == 0)
    return (20);
  if (strncmp(residueName, "HSE", 3) == 0)
    return (20);
  if (strncmp(residueName, "HSP", 3) == 0)
    return (20);
  if (strncmp(residueName, "ILE", 3) == 0)
    return (22);
  if (strncmp(residueName, "LEU", 3) == 0)
    return (22);
  if (strncmp(residueName, "LYS", 3) == 0)
    return (25);
  if (strncmp(residueName, "MET", 3) == 0)
    return (20);
  if (strncmp(residueName, "PHE", 3) == 0)
    return (23);
  if (strncmp(residueName, "PRO", 3) == 0)
    return (17);
  if (strncmp(residueName, "SER", 3) == 0)
    return (14);
  if (strncmp(residueName, "THR", 3) == 0)
    return (17);
  if (strncmp(residueName, "TRP", 3) == 0)
    return (27);
  if (strncmp(residueName, "TYR", 3) == 0)
    return (24);
  if (strncmp(residueName, "VAL", 3) == 0)
    return (19);
  else {
    fprintf(stderr, "ERROR: %s is unknown residue\n", residueName);
    return (0);
    exit(EXIT_FAILURE);
  }
}


x86 assembly (clang, -O0):
<aa_atomNumbers>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xec9(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1157 <aa_atomNumbers+0x37>
movl   $0xd,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xea2(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1182 <aa_atomNumbers+0x62>
movl   $0x1b,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xe7b(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    11ad <aa_atomNumbers+0x8d>
movl   $0x11,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xe54(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    11d8 <aa_atomNumbers+0xb8>
movl   $0xf,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xe2d(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1203 <aa_atomNumbers+0xe3>
movl   $0xe,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xe06(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    122e <aa_atomNumbers+0x10e>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xddf(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1259 <aa_atomNumbers+0x139>
movl   $0x12,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xdb8(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1284 <aa_atomNumbers+0x164>
movl   $0xa,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xd91(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    12af <aa_atomNumbers+0x18f>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xd6a(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    12da <aa_atomNumbers+0x1ba>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xd43(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1305 <aa_atomNumbers+0x1e5>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xd1c(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1330 <aa_atomNumbers+0x210>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xcf5(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    135b <aa_atomNumbers+0x23b>
movl   $0x16,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xcce(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1386 <aa_atomNumbers+0x266>
movl   $0x16,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xca7(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    13b1 <aa_atomNumbers+0x291>
movl   $0x19,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xc80(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    13dc <aa_atomNumbers+0x2bc>
movl   $0x14,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xc59(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1407 <aa_atomNumbers+0x2e7>
movl   $0x17,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xc32(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1432 <aa_atomNumbers+0x312>
movl   $0x11,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xc0b(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    145d <aa_atomNumbers+0x33d>
movl   $0xe,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xbe4(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1488 <aa_atomNumbers+0x368>
movl   $0x11,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xbbd(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    14b3 <aa_atomNumbers+0x393>
movl   $0x1b,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xb96(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    14de <aa_atomNumbers+0x3be>
movl   $0x18,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    -0x10(%rbp),%rdi
lea    0xb6f(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
jne    1509 <aa_atomNumbers+0x3e9>
movl   $0x13,-0x4(%rbp)
jmp    1529 <aa_atomNumbers+0x409>
mov    0x2ad0(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rdx
lea    0xb3f(%rip),%rsi
call   1040 <fprintf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<aa_atomNumbers>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xed3(%rip),%rsi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     13f2 <aa_atomNumbers+0x2d2>
lea    0xebd(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x1b,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xe9f(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     13f9 <aa_atomNumbers+0x2d9>
lea    0xe86(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1400 <aa_atomNumbers+0x2e0>
lea    0xe6d(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0xe,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xe4f(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x14,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xe31(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     140e <aa_atomNumbers+0x2ee>
lea    0xe18(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1415 <aa_atomNumbers+0x2f5>
lea    0xdff(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xde6(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xdcd(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xdb4(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xd9b(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x16,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xd7d(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xd64(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     141c <aa_atomNumbers+0x2fc>
lea    0xd4b(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x14,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xd2d(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1423 <aa_atomNumbers+0x303>
lea    0xd14(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     13f9 <aa_atomNumbers+0x2d9>
lea    0xcfb(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0xe,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xcdd(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x11,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xcc3(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
mov    $0x1b,%ebp
test   %rax,%rax
je     1405 <aa_atomNumbers+0x2e5>
lea    0xca9(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     142a <aa_atomNumbers+0x30a>
lea    0xc94(%rip),%rsi
mov    %rbx,%rdi
mov    $0x3,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     1431 <aa_atomNumbers+0x311>
mov    0x2c03(%rip),%rax
mov    (%rax),%edi
lea    0xc76(%rip),%rsi
mov    %rbx,%rdx
call   1040 <fprintf@plt>
xor    %ebp,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0xd,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0x11,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0xf,%ebp
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret
mov    $0x12,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0xa,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0x19,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0x17,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0x18,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>
mov    $0x13,%ebp
jmp    1405 <aa_atomNumbers+0x2e5>

LLVM IR (-O0):
@.str = [4 x i8] c"ALA\00"
@.str.1 = [4 x i8] c"ARG\00"
@.str.2 = [4 x i8] c"ASN\00"
@.str.3 = [4 x i8] c"ASP\00"
@.str.4 = [4 x i8] c"CYS\00"
@.str.5 = [4 x i8] c"GLN\00"
@.str.6 = [4 x i8] c"GLU\00"
@.str.7 = [4 x i8] c"GLY\00"
@.str.8 = [4 x i8] c"HIS\00"
@.str.9 = [4 x i8] c"HSD\00"
@.str.10 = [4 x i8] c"HSE\00"
@.str.11 = [4 x i8] c"HSP\00"
@.str.12 = [4 x i8] c"ILE\00"
@.str.13 = [4 x i8] c"LEU\00"
@.str.14 = [4 x i8] c"LYS\00"
@.str.15 = [4 x i8] c"MET\00"
@.str.16 = [4 x i8] c"PHE\00"
@.str.17 = [4 x i8] c"PRO\00"
@.str.18 = [4 x i8] c"SER\00"
@.str.19 = [4 x i8] c"THR\00"
@.str.20 = [4 x i8] c"TRP\00"
@.str.21 = [4 x i8] c"TYR\00"
@.str.22 = [4 x i8] c"VAL\00"
@stderr = global i32 0
@.str.23 = [30 x i8] c"ERROR: %s is unknown residue\0A\00"
@EXIT_FAILURE = global i32 0
define i32 @aa_atomNumbers(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strncmp(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 3)
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 13, i32* %2
br label %122
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strncmp(i8* %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 3)
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 27, i32* %2
br label %122
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i64 @strncmp(i8* %14, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 17, i32* %2
br label %122
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i64 @strncmp(i8* %19, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 3)
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %18
store i32 15, i32* %2
br label %122
23: ; preds = %18
%24 = load i8*, i8** %3
%25 = call i64 @strncmp(i8* %24, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 3)
%26 = icmp eq i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23
store i32 14, i32* %2
br label %122
28: ; preds = %23
%29 = load i8*, i8** %3
%30 = call i64 @strncmp(i8* %29, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0), i32 3)
%31 = icmp eq i64 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %28
store i32 20, i32* %2
br label %122
33: ; preds = %28
%34 = load i8*, i8** %3
%35 = call i64 @strncmp(i8* %34, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0), i32 3)
%36 = icmp eq i64 %35, 0
br i1 %36, label %37, label %38
37: ; preds = %33
store i32 18, i32* %2
br label %122
38: ; preds = %33
%39 = load i8*, i8** %3
%40 = call i64 @strncmp(i8* %39, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i32 3)
%41 = icmp eq i64 %40, 0
br i1 %41, label %42, label %43
42: ; preds = %38
store i32 10, i32* %2
br label %122
43: ; preds = %38
%44 = load i8*, i8** %3
%45 = call i64 @strncmp(i8* %44, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0), i32 3)
%46 = icmp eq i64 %45, 0
br i1 %46, label %47, label %48
47: ; preds = %43
store i32 20, i32* %2
br label %122
48: ; preds = %43
%49 = load i8*, i8** %3
%50 = call i64 @strncmp(i8* %49, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i32 3)
%51 = icmp eq i64 %50, 0
br i1 %51, label %52, label %53
52: ; preds = %48
store i32 20, i32* %2
br label %122
53: ; preds = %48
%54 = load i8*, i8** %3
%55 = call i64 @strncmp(i8* %54, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0), i32 3)
%56 = icmp eq i64 %55, 0
br i1 %56, label %57, label %58
57: ; preds = %53
store i32 20, i32* %2
br label %122
58: ; preds = %53
%59 = load i8*, i8** %3
%60 = call i64 @strncmp(i8* %59, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.11, i64 0, i64 0), i32 3)
%61 = icmp eq i64 %60, 0
br i1 %61, label %62, label %63
62: ; preds = %58
store i32 20, i32* %2
br label %122
63: ; preds = %58
%64 = load i8*, i8** %3
%65 = call i64 @strncmp(i8* %64, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.12, i64 0, i64 0), i32 3)
%66 = icmp eq i64 %65, 0
br i1 %66, label %67, label %68
67: ; preds = %63
store i32 22, i32* %2
br label %122
68: ; preds = %63
%69 = load i8*, i8** %3
%70 = call i64 @strncmp(i8* %69, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.13, i64 0, i64 0), i32 3)
%71 = icmp eq i64 %70, 0
br i1 %71, label %72, label %73
72: ; preds = %68
store i32 22, i32* %2
br label %122
73: ; preds = %68
%74 = load i8*, i8** %3
%75 = call i64 @strncmp(i8* %74, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0), i32 3)
%76 = icmp eq i64 %75, 0
br i1 %76, label %77, label %78
77: ; preds = %73
store i32 25, i32* %2
br label %122
78: ; preds = %73
%79 = load i8*, i8** %3
%80 = call i64 @strncmp(i8* %79, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.15, i64 0, i64 0), i32 3)
%81 = icmp eq i64 %80, 0
br i1 %81, label %82, label %83
82: ; preds = %78
store i32 20, i32* %2
br label %122
83: ; preds = %78
%84 = load i8*, i8** %3
%85 = call i64 @strncmp(i8* %84, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.16, i64 0, i64 0), i32 3)
%86 = icmp eq i64 %85, 0
br i1 %86, label %87, label %88
87: ; preds = %83
store i32 23, i32* %2
br label %122
88: ; preds = %83
%89 = load i8*, i8** %3
%90 = call i64 @strncmp(i8* %89, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.17, i64 0, i64 0), i32 3)
%91 = icmp eq i64 %90, 0
br i1 %91, label %92, label %93
92: ; preds = %88
store i32 17, i32* %2
br label %122
93: ; preds = %88
%94 = load i8*, i8** %3
%95 = call i64 @strncmp(i8* %94, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.18, i64 0, i64 0), i32 3)
%96 = icmp eq i64 %95, 0
br i1 %96, label %97, label %98
97: ; preds = %93
store i32 14, i32* %2
br label %122
98: ; preds = %93
%99 = load i8*, i8** %3
%100 = call i64 @strncmp(i8* %99, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.19, i64 0, i64 0), i32 3)
%101 = icmp eq i64 %100, 0
br i1 %101, label %102, label %103
102: ; preds = %98
store i32 17, i32* %2
br label %122
103: ; preds = %98
%104 = load i8*, i8** %3
%105 = call i64 @strncmp(i8* %104, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.20, i64 0, i64 0), i32 3)
%106 = icmp eq i64 %105, 0
br i1 %106, label %107, label %108
107: ; preds = %103
store i32 27, i32* %2
br label %122
108: ; preds = %103
%109 = load i8*, i8** %3
%110 = call i64 @strncmp(i8* %109, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.21, i64 0, i64 0), i32 3)
%111 = icmp eq i64 %110, 0
br i1 %111, label %112, label %113
112: ; preds = %108
store i32 24, i32* %2
br label %122
113: ; preds = %108
%114 = load i8*, i8** %3
%115 = call i64 @strncmp(i8* %114, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.22, i64 0, i64 0), i32 3)
%116 = icmp eq i64 %115, 0
br i1 %116, label %117, label %118
117: ; preds = %113
store i32 19, i32* %2
br label %122
118: ; preds = %113
%119 = load i32, i32* @stderr
%120 = load i8*, i8** %3
%121 = call i32 @fprintf(i32 %119, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.23, i64 0, i64 0), i8* %120)
store i32 0, i32* %2
br label %122
122: ; preds = %118, %117, %112, %107, %102, %97, %92, %87, %82, %77, %72, %67, %62, %57, %52, %47, %42, %37, %32, %27, %22, %17, %12, %7
%123 = load i32, i32* %2
ret i32 %123
}

LLVM IR (-O2):
@.str = [4 x i8] c"ALA\00"
@.str.1 = [4 x i8] c"ARG\00"
@.str.2 = [4 x i8] c"ASN\00"
@.str.3 = [4 x i8] c"ASP\00"
@.str.4 = [4 x i8] c"CYS\00"
@.str.5 = [4 x i8] c"GLN\00"
@.str.6 = [4 x i8] c"GLU\00"
@.str.7 = [4 x i8] c"GLY\00"
@.str.8 = [4 x i8] c"HIS\00"
@.str.9 = [4 x i8] c"HSD\00"
@.str.10 = [4 x i8] c"HSE\00"
@.str.11 = [4 x i8] c"HSP\00"
@.str.12 = [4 x i8] c"ILE\00"
@.str.13 = [4 x i8] c"LEU\00"
@.str.14 = [4 x i8] c"LYS\00"
@.str.15 = [4 x i8] c"MET\00"
@.str.16 = [4 x i8] c"PHE\00"
@.str.17 = [4 x i8] c"PRO\00"
@.str.18 = [4 x i8] c"SER\00"
@.str.19 = [4 x i8] c"THR\00"
@.str.20 = [4 x i8] c"TRP\00"
@.str.21 = [4 x i8] c"TYR\00"
@.str.22 = [4 x i8] c"VAL\00"
@stderr = global i32 0
@.str.23 = [30 x i8] c"ERROR: %s is unknown residue\0A\00"
@EXIT_FAILURE = global i32 0
define i32 @aa_atomNumbers(i8* %0) {
%2 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 3)
%3 = icmp eq i64 %2, 0
br i1 %3, label %73, label %4
4: ; preds = %1
%5 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 3)
%6 = icmp eq i64 %5, 0
br i1 %6, label %73, label %7
7: ; preds = %4
%8 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%9 = icmp eq i64 %8, 0
br i1 %9, label %73, label %10
10: ; preds = %7
%11 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 3)
%12 = icmp eq i64 %11, 0
br i1 %12, label %73, label %13
13: ; preds = %10
%14 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 3)
%15 = icmp eq i64 %14, 0
br i1 %15, label %73, label %16
16: ; preds = %13
%17 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0), i32 3)
%18 = icmp eq i64 %17, 0
br i1 %18, label %73, label %19
19: ; preds = %16
%20 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0), i32 3)
%21 = icmp eq i64 %20, 0
br i1 %21, label %73, label %22
22: ; preds = %19
%23 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i32 3)
%24 = icmp eq i64 %23, 0
br i1 %24, label %73, label %25
25: ; preds = %22
%26 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0), i32 3)
%27 = icmp eq i64 %26, 0
br i1 %27, label %73, label %28
28: ; preds = %25
%29 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i32 3)
%30 = icmp eq i64 %29, 0
br i1 %30, label %73, label %31
31: ; preds = %28
%32 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0), i32 3)
%33 = icmp eq i64 %32, 0
br i1 %33, label %73, label %34
34: ; preds = %31
%35 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.11, i64 0, i64 0), i32 3)
%36 = icmp eq i64 %35, 0
br i1 %36, label %73, label %37
37: ; preds = %34
%38 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.12, i64 0, i64 0), i32 3)
%39 = icmp eq i64 %38, 0
br i1 %39, label %73, label %40
40: ; preds = %37
%41 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.13, i64 0, i64 0), i32 3)
%42 = icmp eq i64 %41, 0
br i1 %42, label %73, label %43
43: ; preds = %40
%44 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0), i32 3)
%45 = icmp eq i64 %44, 0
br i1 %45, label %73, label %46
46: ; preds = %43
%47 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.15, i64 0, i64 0), i32 3)
%48 = icmp eq i64 %47, 0
br i1 %48, label %73, label %49
49: ; preds = %46
%50 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.16, i64 0, i64 0), i32 3)
%51 = icmp eq i64 %50, 0
br i1 %51, label %73, label %52
52: ; preds = %49
%53 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.17, i64 0, i64 0), i32 3)
%54 = icmp eq i64 %53, 0
br i1 %54, label %73, label %55
55: ; preds = %52
%56 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.18, i64 0, i64 0), i32 3)
%57 = icmp eq i64 %56, 0
br i1 %57, label %73, label %58
58: ; preds = %55
%59 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.19, i64 0, i64 0), i32 3)
%60 = icmp eq i64 %59, 0
br i1 %60, label %73, label %61
61: ; preds = %58
%62 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.20, i64 0, i64 0), i32 3)
%63 = icmp eq i64 %62, 0
br i1 %63, label %73, label %64
64: ; preds = %61
%65 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.21, i64 0, i64 0), i32 3)
%66 = icmp eq i64 %65, 0
br i1 %66, label %73, label %67
67: ; preds = %64
%68 = tail call i64 @strncmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.22, i64 0, i64 0), i32 3)
%69 = icmp eq i64 %68, 0
br i1 %69, label %73, label %70
70: ; preds = %67
%71 = load i32, i32* @stderr
%72 = tail call i32 @fprintf(i32 %71, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.23, i64 0, i64 0), i8* %0)
br label %73
73: ; preds = %67, %64, %61, %58, %55, %52, %49, %46, %43, %40, %37, %34, %31, %28, %25, %22, %19, %16, %13, %10, %7, %4, %1, %70
%74 = phi i32 [ 0, %70 ], [ 13, %1 ], [ 27, %4 ], [ 17, %7 ], [ 15, %10 ], [ 14, %13 ], [ 20, %16 ], [ 18, %19 ], [ 10, %22 ], [ 20, %25 ], [ 20, %28 ], [ 20, %31 ], [ 20, %34 ], [ 22, %37 ], [ 22, %40 ], [ 25, %43 ], [ 20, %46 ], [ 23, %49 ], [ 17, %52 ], [ 14, %55 ], [ 17, %58 ], [ 27, %61 ], [ 24, %64 ], [ 19, %67 ]
ret i32 %74
}