#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*/ check_file_exists(char *);
int /*<<< orphan*/ error(char *, ...);
int /*<<< orphan*/ memcpy(char *, char *, int);
int /*<<< orphan*/ print_usage();
int strlen(char *);
int arg_parser(int argc, char *argv[], char *input_path, char *missing_path,
               char *expected_path) {
  if (argc != 4) {
    print_usage();
    error("Wrong number of options ='%d'. require 3\n", argc - 1);
  }
  bool has_input = false;
  bool has_missing = false;
  bool has_results = false;
  for (int i = 1; i < argc; ++i) {
    char *arg_string = argv[i];
    int arg_str_len = strlen(arg_string);
    if (arg_str_len <= 3)
      error("Arg string too short bad_argstring='%s'\n", arg_string);
    if (arg_string[0] != '-')
      error("All arg strings should start with -, bad_argstring='%s'\n",
            arg_string);
    if (arg_string[2] != '=')
      error("Missing = in arg string  -option=value, bad_argstring='%s'\n",
            arg_string);
    char second_letter = arg_string[1];
    switch (second_letter) {
    case 'i': {
      if (has_input == true)
        error("Repeated arg -i");
      has_input = true;
      memcpy(input_path, arg_string + 3, arg_str_len - 2);
      check_file_exists(input_path);
      break;
    }
    case 'm': {
      if (has_missing == true)
        error("Repeated arg -m");
      has_missing = true;
      memcpy(missing_path, arg_string + 3, arg_str_len - 2);
      check_file_exists(missing_path);
      break;
    }
    case 'e': {
      if (has_results == true)
        error("Repeated arg -r");
      has_results = true;
      memcpy(expected_path, arg_string + 3, arg_str_len - 2);
      check_file_exists(expected_path);
      break;
    }
    default: {
      print_usage();
      error("I don't understand the option ='-%c'\n", second_letter);
      break;
    }
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<arg_parser>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %rcx,-0x20(%rbp)
mov    %r8,-0x28(%rbp)
cmpl   $0x4,-0x4(%rbp)
je     1190 <arg_parser+0x40>
mov    $0x0,%al
call   1070 <print_usage@plt>
mov    -0x4(%rbp),%esi
sub    $0x1,%esi
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
movl   $0x0,-0x2c(%rbp)
movl   $0x0,-0x30(%rbp)
movl   $0x0,-0x34(%rbp)
movl   $0x1,-0x38(%rbp)
mov    -0x38(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    136e <arg_parser+0x21e>
mov    -0x10(%rbp),%rax
movslq -0x38(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
mov    %rax,-0x40(%rbp)
mov    -0x40(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,-0x44(%rbp)
cmpl   $0x3,-0x44(%rbp)
jg     11f0 <arg_parser+0xa0>
mov    -0x40(%rbp),%rsi
lea    0xe41(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
mov    -0x40(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x2d,%eax
je     1212 <arg_parser+0xc2>
mov    -0x40(%rbp),%rsi
lea    0xe48(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
mov    -0x40(%rbp),%rax
movsbl 0x2(%rax),%eax
cmp    $0x3d,%eax
je     1235 <arg_parser+0xe5>
mov    -0x40(%rbp),%rsi
lea    0xe5e(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
mov    -0x40(%rbp),%rax
mov    0x1(%rax),%al
mov    %al,-0x45(%rbp)
movsbl -0x45(%rbp),%eax
mov    %eax,-0x4c(%rbp)
sub    $0x65,%eax
je     12fe <arg_parser+0x1ae>
jmp    1254 <arg_parser+0x104>
mov    -0x4c(%rbp),%eax
sub    $0x69,%eax
je     1276 <arg_parser+0x126>
jmp    1265 <arg_parser+0x115>
mov    -0x4c(%rbp),%eax
sub    $0x6d,%eax
je     12ba <arg_parser+0x16a>
jmp    1342 <arg_parser+0x1f2>
cmpl   $0x1,-0x2c(%rbp)
jne    128e <arg_parser+0x13e>
lea    0xe41(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
movl   $0x1,-0x2c(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x40(%rbp),%rsi
add    $0x3,%rsi
mov    -0x44(%rbp),%edx
sub    $0x2,%edx
call   1050 <memcpy@plt>
mov    -0x18(%rbp),%rdi
call   1030 <check_file_exists@plt>
jmp    135b <arg_parser+0x20b>
cmpl   $0x1,-0x30(%rbp)
jne    12d2 <arg_parser+0x182>
lea    0xe0d(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
movl   $0x1,-0x30(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x40(%rbp),%rsi
add    $0x3,%rsi
mov    -0x44(%rbp),%edx
sub    $0x2,%edx
call   1050 <memcpy@plt>
mov    -0x20(%rbp),%rdi
call   1030 <check_file_exists@plt>
jmp    135b <arg_parser+0x20b>
cmpl   $0x1,-0x34(%rbp)
jne    1316 <arg_parser+0x1c6>
lea    0xdd9(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
movl   $0x1,-0x34(%rbp)
mov    -0x28(%rbp),%rdi
mov    -0x40(%rbp),%rsi
add    $0x3,%rsi
mov    -0x44(%rbp),%edx
sub    $0x2,%edx
call   1050 <memcpy@plt>
mov    -0x28(%rbp),%rdi
call   1030 <check_file_exists@plt>
jmp    135b <arg_parser+0x20b>
mov    $0x0,%al
call   1070 <print_usage@plt>
movsbl -0x45(%rbp),%esi
lea    0xda4(%rip),%rdi
mov    $0x0,%al
call   1060 <error@plt>
jmp    1360 <arg_parser+0x210>
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    11ac <arg_parser+0x5c>
xor    %eax,%eax
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<arg_parser>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x38,%rsp
mov    %r8,0x20(%rsp)
mov    %rcx,0x28(%rsp)
mov    %rdx,0x18(%rsp)
mov    %rsi,0x30(%rsp)
mov    %edi,%ebp
cmp    $0x4,%edi
je     119a <arg_parser+0x4a>
xor    %eax,%eax
call   1070 <print_usage@plt>
lea    -0x1(%rbp),%esi
lea    0xe76(%rip),%rdi
xor    %eax,%eax
call   1060 <error@plt>
cmp    $0x2,%ebp
jl     1365 <arg_parser+0x215>
mov    %ebp,%r15d
mov    $0x1,%r12d
movl   $0x0,0x10(%rsp)
movl   $0x0,0x14(%rsp)
movl   $0x0,0xc(%rsp)
jmp    11e5 <arg_parser+0x95>
nopl   (%rax)
xor    %eax,%eax
call   1070 <print_usage@plt>
lea    0xf2a(%rip),%rdi
mov    %r14d,%esi
xor    %eax,%eax
call   1060 <error@plt>
add    $0x1,%r12
cmp    %r12,%r15
je     1365 <arg_parser+0x215>
mov    0x30(%rsp),%rax
mov    (%rax,%r12,8),%rbp
mov    %rbp,%rdi
call   1040 <strlen@plt>
mov    %eax,%r13d
cmp    $0x3,%eax
jle    1290 <arg_parser+0x140>
cmpb   $0x2d,0x0(%rbp)
jne    12ab <arg_parser+0x15b>
cmpb   $0x3d,0x2(%rbp)
je     1223 <arg_parser+0xd3>
lea    0xe73(%rip),%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1060 <error@plt>
movsbl 0x1(%rbp),%r14d
cmp    $0x65,%r14d
je     1320 <arg_parser+0x1d0>
cmp    $0x6d,%r14d
je     12d0 <arg_parser+0x180>
cmp    $0x69,%r14d
jne    11c0 <arg_parser+0x70>
cmpl   $0x1,0x10(%rsp)
jne    125b <arg_parser+0x10b>
lea    0xe74(%rip),%rdi
xor    %eax,%eax
call   1060 <error@plt>
add    $0x3,%rbp
add    $0xfffffffe,%r13d
mov    0x18(%rsp),%rbx
mov    %rbx,%rdi
mov    %rbp,%rsi
mov    %r13d,%edx
call   1050 <memcpy@plt>
mov    %rbx,%rdi
call   1030 <check_file_exists@plt>
movl   $0x1,0x10(%rsp)
jmp    11d8 <arg_parser+0x88>
nopl   0x0(%rax,%rax,1)
lea    0xd93(%rip),%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1060 <error@plt>
cmpb   $0x2d,0x0(%rbp)
je     120c <arg_parser+0xbc>
lea    0xda1(%rip),%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1060 <error@plt>
cmpb   $0x3d,0x2(%rbp)
jne    1212 <arg_parser+0xc2>
jmp    1223 <arg_parser+0xd3>
nopl   0x0(%rax,%rax,1)
cmpl   $0x1,0x14(%rsp)
jne    12e5 <arg_parser+0x195>
lea    0xdfa(%rip),%rdi
xor    %eax,%eax
call   1060 <error@plt>
add    $0x3,%rbp
add    $0xfffffffe,%r13d
mov    0x28(%rsp),%rbx
mov    %rbx,%rdi
mov    %rbp,%rsi
mov    %r13d,%edx
call   1050 <memcpy@plt>
mov    %rbx,%rdi
call   1030 <check_file_exists@plt>
movl   $0x1,0x14(%rsp)
jmp    11d8 <arg_parser+0x88>
cs nopw 0x0(%rax,%rax,1)
nop
cmpl   $0x1,0xc(%rsp)
jne    1335 <arg_parser+0x1e5>
lea    0xdba(%rip),%rdi
xor    %eax,%eax
call   1060 <error@plt>
add    $0x3,%rbp
add    $0xfffffffe,%r13d
mov    0x20(%rsp),%rbx
mov    %rbx,%rdi
mov    %rbp,%rsi
mov    %r13d,%edx
call   1050 <memcpy@plt>
mov    %rbx,%rdi
call   1030 <check_file_exists@plt>
movl   $0x1,0xc(%rsp)
jmp    11d8 <arg_parser+0x88>
xor    %eax,%eax
add    $0x38,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [42 x i8] c"Wrong number of options ='%d'. require 3\0A\00"
@.str.1 = [41 x i8] c"Arg string too short bad_argstring='%s'\0A\00"
@.str.2 = [57 x i8] c"All arg strings should start with -, bad_argstring='%s'\0A\00"
@.str.3 = [60 x i8] c"Missing = in arg string -option=value, bad_argstring='%s'\0A\00"
@.str.4 = [16 x i8] c"Repeated arg -i\00"
@.str.5 = [16 x i8] c"Repeated arg -m\00"
@.str.6 = [16 x i8] c"Repeated arg -r\00"
@.str.7 = [38 x i8] c"I don't understand the option ='-%c'\0A\00"
define i32 @arg_parser(i32 %0, i8** %1, i8* %2, i8* %3, i8* %4) {
%6 = alloca i32
%7 = alloca i8**
%8 = alloca i8*
%9 = alloca i8*
%10 = alloca i8*
%11 = alloca i32
%12 = alloca i32
%13 = alloca i32
%14 = alloca i32
%15 = alloca i8*
%16 = alloca i32
%17 = alloca i8
store i32 %0, i32* %6
store i8** %1, i8*** %7
store i8* %2, i8** %8
store i8* %3, i8** %9
store i8* %4, i8** %10
%18 = load i32, i32* %6
%19 = icmp ne i32 %18, 4
br i1 %19, label %20, label %25
20: ; preds = %5
%21 = call i32 (...) @print_usage()
%22 = load i32, i32* %6
%23 = sub nsw i32 %22, 1
%24 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str, i64 0, i64 0), i32 %23)
br label %25
25: ; preds = %20, %5
store i32 0, i32* %11
store i32 0, i32* %12
store i32 0, i32* %13
store i32 1, i32* %14
br label %26
26: ; preds = %115, %25
%27 = load i32, i32* %14
%28 = load i32, i32* %6
%29 = icmp slt i32 %27, %28
br i1 %29, label %30, label %118
30: ; preds = %26
%31 = load i8**, i8*** %7
%32 = load i32, i32* %14
%33 = sext i32 %32 to i64
%34 = getelementptr inbounds i8*, i8** %31, i64 %33
%35 = load i8*, i8** %34
store i8* %35, i8** %15
%36 = load i8*, i8** %15
%37 = call i32 @strlen(i8* %36)
store i32 %37, i32* %16
%38 = load i32, i32* %16
%39 = icmp sle i32 %38, 3
br i1 %39, label %40, label %43
40: ; preds = %30
%41 = load i8*, i8** %15
%42 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.1, i64 0, i64 0), i8* %41)
br label %43
43: ; preds = %40, %30
%44 = load i8*, i8** %15
%45 = getelementptr inbounds i8, i8* %44, i64 0
%46 = load i8, i8* %45
%47 = sext i8 %46 to i32
%48 = icmp ne i32 %47, 45
br i1 %48, label %49, label %52
49: ; preds = %43
%50 = load i8*, i8** %15
%51 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.2, i64 0, i64 0), i8* %50)
br label %52
52: ; preds = %49, %43
%53 = load i8*, i8** %15
%54 = getelementptr inbounds i8, i8* %53, i64 2
%55 = load i8, i8* %54
%56 = sext i8 %55 to i32
%57 = icmp ne i32 %56, 61
br i1 %57, label %58, label %61
58: ; preds = %52
%59 = load i8*, i8** %15
%60 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.3, i64 0, i64 0), i8* %59)
br label %61
61: ; preds = %58, %52
%62 = load i8*, i8** %15
%63 = getelementptr inbounds i8, i8* %62, i64 1
%64 = load i8, i8* %63
store i8 %64, i8* %17
%65 = load i8, i8* %17
%66 = sext i8 %65 to i32
switch i32 %66, label %109 [
i32 105, label %67
i32 109, label %81
i32 101, label %95
]
67: ; preds = %61
%68 = load i32, i32* %11
%69 = icmp eq i32 %68, 1
br i1 %69, label %70, label %72
70: ; preds = %67
%71 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0))
br label %72
72: ; preds = %70, %67
store i32 1, i32* %11
%73 = load i8*, i8** %8
%74 = load i8*, i8** %15
%75 = getelementptr inbounds i8, i8* %74, i64 3
%76 = load i32, i32* %16
%77 = sub nsw i32 %76, 2
%78 = call i32 @memcpy(i8* %73, i8* %75, i32 %77)
%79 = load i8*, i8** %8
%80 = call i32 @check_file_exists(i8* %79)
br label %114
81: ; preds = %61
%82 = load i32, i32* %12
%83 = icmp eq i32 %82, 1
br i1 %83, label %84, label %86
84: ; preds = %81
%85 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.5, i64 0, i64 0))
br label %86
86: ; preds = %84, %81
store i32 1, i32* %12
%87 = load i8*, i8** %9
%88 = load i8*, i8** %15
%89 = getelementptr inbounds i8, i8* %88, i64 3
%90 = load i32, i32* %16
%91 = sub nsw i32 %90, 2
%92 = call i32 @memcpy(i8* %87, i8* %89, i32 %91)
%93 = load i8*, i8** %9
%94 = call i32 @check_file_exists(i8* %93)
br label %114
95: ; preds = %61
%96 = load i32, i32* %13
%97 = icmp eq i32 %96, 1
br i1 %97, label %98, label %100
98: ; preds = %95
%99 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.6, i64 0, i64 0))
br label %100
100: ; preds = %98, %95
store i32 1, i32* %13
%101 = load i8*, i8** %10
%102 = load i8*, i8** %15
%103 = getelementptr inbounds i8, i8* %102, i64 3
%104 = load i32, i32* %16
%105 = sub nsw i32 %104, 2
%106 = call i32 @memcpy(i8* %101, i8* %103, i32 %105)
%107 = load i8*, i8** %10
%108 = call i32 @check_file_exists(i8* %107)
br label %114
109: ; preds = %61
%110 = call i32 (...) @print_usage()
%111 = load i8, i8* %17
%112 = sext i8 %111 to i32
%113 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.7, i64 0, i64 0), i32 %112)
br label %114
114: ; preds = %109, %100, %86, %72
br label %115
115: ; preds = %114
%116 = load i32, i32* %14
%117 = add nsw i32 %116, 1
store i32 %117, i32* %14
br label %26
118: ; preds = %26
ret i32 0
}

LLVM IR (-O2):
@.str = [42 x i8] c"Wrong number of options ='%d'. require 3\0A\00"
@.str.1 = [41 x i8] c"Arg string too short bad_argstring='%s'\0A\00"
@.str.2 = [57 x i8] c"All arg strings should start with -, bad_argstring='%s'\0A\00"
@.str.3 = [60 x i8] c"Missing = in arg string -option=value, bad_argstring='%s'\0A\00"
@.str.4 = [16 x i8] c"Repeated arg -i\00"
@.str.5 = [16 x i8] c"Repeated arg -m\00"
@.str.6 = [16 x i8] c"Repeated arg -r\00"
@.str.7 = [38 x i8] c"I don't understand the option ='-%c'\0A\00"
define i32 @arg_parser(i32 %0, i8** nocapture %1, i8* %2, i8* %3, i8* %4) {
%6 = icmp eq i32 %0, 4
br i1 %6, label %12, label %7
7: ; preds = %5
%8 = tail call i32 (...) @print_usage()
%9 = add nsw i32 %0, -1
%10 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = icmp sgt i32 %0, 1
br i1 %11, label %12, label %14
12: ; preds = %5, %7
%13 = zext i32 %0 to i64
br label %15
14: ; preds = %71, %7
ret i32 0
15: ; preds = %12, %71
%16 = phi i64 [ 1, %12 ], [ %75, %71 ]
%17 = phi i32 [ 0, %12 ], [ %74, %71 ]
%18 = phi i32 [ 0, %12 ], [ %73, %71 ]
%19 = phi i32 [ 0, %12 ], [ %72, %71 ]
%20 = getelementptr inbounds i8*, i8** %1, i64 %16
%21 = load i8*, i8** %20
%22 = tail call i32 @strlen(i8* %21)
%23 = icmp slt i32 %22, 4
br i1 %23, label %24, label %26
24: ; preds = %15
%25 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.1, i64 0, i64 0), i8* %21)
br label %26
26: ; preds = %24, %15
%27 = load i8, i8* %21
%28 = icmp eq i8 %27, 45
br i1 %28, label %31, label %29
29: ; preds = %26
%30 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.2, i64 0, i64 0), i8* %21)
br label %31
31: ; preds = %29, %26
%32 = getelementptr inbounds i8, i8* %21, i64 2
%33 = load i8, i8* %32
%34 = icmp eq i8 %33, 61
br i1 %34, label %37, label %35
35: ; preds = %31
%36 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.3, i64 0, i64 0), i8* %21)
br label %37
37: ; preds = %35, %31
%38 = getelementptr inbounds i8, i8* %21, i64 1
%39 = load i8, i8* %38
%40 = sext i8 %39 to i32
switch i32 %40, label %68 [
i32 105, label %41
i32 109, label %50
i32 101, label %59
]
41: ; preds = %37
%42 = icmp eq i32 %17, 1
br i1 %42, label %43, label %45
43: ; preds = %41
%44 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0))
br label %45
45: ; preds = %43, %41
%46 = getelementptr inbounds i8, i8* %21, i64 3
%47 = add nsw i32 %22, -2
%48 = tail call i32 @memcpy(i8* %2, i8* %46, i32 %47)
%49 = tail call i32 @check_file_exists(i8* %2)
br label %71
50: ; preds = %37
%51 = icmp eq i32 %18, 1
br i1 %51, label %52, label %54
52: ; preds = %50
%53 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.5, i64 0, i64 0))
br label %54
54: ; preds = %52, %50
%55 = getelementptr inbounds i8, i8* %21, i64 3
%56 = add nsw i32 %22, -2
%57 = tail call i32 @memcpy(i8* %3, i8* %55, i32 %56)
%58 = tail call i32 @check_file_exists(i8* %3)
br label %71
59: ; preds = %37
%60 = icmp eq i32 %19, 1
br i1 %60, label %61, label %63
61: ; preds = %59
%62 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.6, i64 0, i64 0))
br label %63
63: ; preds = %61, %59
%64 = getelementptr inbounds i8, i8* %21, i64 3
%65 = add nsw i32 %22, -2
%66 = tail call i32 @memcpy(i8* %4, i8* %64, i32 %65)
%67 = tail call i32 @check_file_exists(i8* %4)
br label %71
68: ; preds = %37
%69 = tail call i32 (...) @print_usage()
%70 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.7, i64 0, i64 0), i32 %40)
br label %71
71: ; preds = %68, %63, %54, %45
%72 = phi i32 [ %19, %68 ], [ 1, %63 ], [ %19, %54 ], [ %19, %45 ]
%73 = phi i32 [ %18, %68 ], [ %18, %63 ], [ 1, %54 ], [ %18, %45 ]
%74 = phi i32 [ %17, %68 ], [ %17, %63 ], [ %17, %54 ], [ 1, %45 ]
%75 = add nuw nsw i64 %16, 1
%76 = icmp eq i64 %75, %13
br i1 %76, label %14, label %15
}