#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 */
struct stat {
  scalar_t__ st_size;
};
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ barf(char *);
int /*<<< orphan*/ croak(char *);
scalar_t__ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
long fread(void *, int, long, int /*<<< orphan*/ *);
int getopt(int, char **, char *);
void *malloc(long);
int /*<<< orphan*/ printf(char *, ...);
scalar_t__ stat(char *, struct stat *);
void stub1();
int /*<<< orphan*/ usage(char *);
int main(int argc, char **argv) {
  FILE *fp;
  void *code;
  int arg;
  int i;
  int l;
  int m = 15;
  struct stat sbuf;
  long flen;
  void (*fptr)(void);
  if (argc < 3)
    usage(argv[0]);
  if (stat(argv[2], &sbuf))
    barf("failed to stat file");
  flen = (long)sbuf.st_size;
  if (!(code = malloc(flen)))
    barf("failed to grab required memeory");
  if (!(fp = fopen(argv[2], "rb")))
    barf("failed to open file");
  if (fread(code, 1, flen, fp) != flen)
    barf("failed to slurp file");
  if (fclose(fp))
    barf("failed to close file");
  while ((arg = getopt(argc, argv, "e:p:")) != -1) {
    switch (arg) {
    case 'e':
      croak("Calling code ...");
      fptr = (void (*)(void))code;
      (*fptr)();
      break;
    case 'p':
      printf("\n\nchar shellcode[] =\n");
      l = m;
      for (i = 0; i < flen; ++i) {
        if (l >= m) {
          if (i)
            printf("\"\n");
          printf("\t\"");
          l = 0;
        }
        ++l;
        printf("\\x%02x", ((unsigned char *)code)[i]);
      }
      printf("\";\n\n\n");
      break;
    default:
      usage(argv[0]);
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0xf,-0x30(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    11d3 <main+0x33>
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
call   10a0 <usage@plt>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
lea    -0x38(%rbp),%rsi
call   1080 <stat@plt>
cmp    $0x0,%rax
je     11fa <main+0x5a>
lea    0xe0b(%rip),%rdi
call   1050 <barf@plt>
mov    -0x38(%rbp),%rax
mov    %rax,-0x40(%rbp)
mov    -0x40(%rbp),%rdi
call   1090 <malloc@plt>
mov    %rax,-0x20(%rbp)
cmp    $0x0,%rax
jne    1225 <main+0x85>
lea    0xdf4(%rip),%rdi
call   1050 <barf@plt>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
lea    0xe00(%rip),%rsi
call   10b0 <fopen@plt>
mov    %rax,-0x18(%rbp)
cmp    $0x0,%rax
jne    1253 <main+0xb3>
lea    0xde9(%rip),%rdi
call   1050 <barf@plt>
mov    -0x20(%rbp),%rdi
mov    -0x40(%rbp),%rdx
mov    -0x18(%rbp),%rcx
mov    $0x1,%esi
call   1040 <fread@plt>
cmp    -0x40(%rbp),%rax
je     127f <main+0xdf>
lea    0xdd1(%rip),%rdi
call   1050 <barf@plt>
mov    -0x18(%rbp),%rdi
call   1060 <fclose@plt>
cmp    $0x0,%rax
je     129e <main+0xfe>
lea    0xdc7(%rip),%rdi
call   1050 <barf@plt>
jmp    12a3 <main+0x103>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rsi
lea    0xdc4(%rip),%rdx
call   10c0 <getopt@plt>
mov    %eax,-0x24(%rbp)
cmp    $0xffffffff,%eax
je     13ba <main+0x21a>
mov    -0x24(%rbp),%eax
mov    %eax,-0x4c(%rbp)
sub    $0x65,%eax
je     12e7 <main+0x147>
jmp    12d6 <main+0x136>
mov    -0x4c(%rbp),%eax
sub    $0x70,%eax
je     1303 <main+0x163>
jmp    13a9 <main+0x209>
lea    0xd8c(%rip),%rdi
call   1030 <croak@plt>
mov    -0x20(%rbp),%rax
mov    %rax,-0x48(%rbp)
call   *-0x48(%rbp)
jmp    13b5 <main+0x215>
lea    0xd81(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
mov    -0x30(%rbp),%eax
mov    %eax,-0x2c(%rbp)
movl   $0x0,-0x28(%rbp)
movslq -0x28(%rbp),%rax
cmp    -0x40(%rbp),%rax
jge    1396 <main+0x1f6>
mov    -0x2c(%rbp),%eax
cmp    -0x30(%rbp),%eax
jl     1365 <main+0x1c5>
cmpl   $0x0,-0x28(%rbp)
je     1350 <main+0x1b0>
lea    0xd58(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
lea    0xd4d(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
movl   $0x0,-0x2c(%rbp)
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
mov    -0x20(%rbp),%rax
movslq -0x28(%rbp),%rcx
movzbl (%rax,%rcx,1),%esi
lea    0xd26(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    131e <main+0x17e>
lea    0xd11(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
jmp    13b5 <main+0x215>
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
call   10a0 <usage@plt>
jmp    12a3 <main+0x103>
xor    %eax,%eax
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %rsi,%r15
mov    %edi,%r14d
cmp    $0x2,%edi
jg     11d1 <main+0x21>
mov    (%r15),%rdi
call   10b0 <usage@plt>
mov    0x10(%r15),%rdi
lea    0x10(%rsp),%rsi
call   1090 <stat@plt>
test   %rax,%rax
je     11f0 <main+0x40>
lea    0xe15(%rip),%rdi
call   1060 <barf@plt>
mov    0x10(%rsp),%r13
mov    %r13,%rdi
call   10a0 <malloc@plt>
mov    %rax,%rbx
test   %rax,%rax
jne    1211 <main+0x61>
lea    0xe08(%rip),%rdi
call   1060 <barf@plt>
mov    0x10(%r15),%rdi
lea    0xe18(%rip),%rsi
call   10c0 <fopen@plt>
mov    %rax,%rbp
test   %rax,%rax
jne    1235 <main+0x85>
lea    0xe07(%rip),%rdi
call   1060 <barf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    %r13,%rdx
mov    %rbp,%rcx
call   1050 <fread@plt>
cmp    %r13,%rax
je     1259 <main+0xa9>
lea    0xdf7(%rip),%rdi
call   1060 <barf@plt>
mov    %rbp,%rdi
call   1070 <fclose@plt>
test   %rax,%rax
je     1272 <main+0xc2>
lea    0xdf3(%rip),%rdi
call   1060 <barf@plt>
lea    0xdfc(%rip),%rbp
lea    0xe0e(%rip),%r12
mov    %r14d,0xc(%rsp)
jmp    12ab <main+0xfb>
nopw   0x0(%rax,%rax,1)
lea    0xe13(%rip),%rdi
call   1040 <puts@plt>
mov    %rbp,%r15
mov    0xc(%rsp),%r14d
lea    0xdca(%rip),%rbp
mov    %r14d,%edi
mov    %r15,%rsi
mov    %rbp,%rdx
call   10d0 <getopt@plt>
cmp    $0x65,%eax
je     12e0 <main+0x130>
cmp    $0x70,%eax
je     12f0 <main+0x140>
cmp    $0xffffffff,%eax
je     1385 <main+0x1d5>
mov    (%r15),%rdi
call   10b0 <usage@plt>
jmp    12ab <main+0xfb>
cs nopw 0x0(%rax,%rax,1)
lea    0xd93(%rip),%rdi
call   1030 <croak@plt>
call   *%rbx
jmp    12ab <main+0xfb>
mov    %r15,%rbp
lea    0xd9b(%rip),%rdi
call   1040 <puts@plt>
test   %r13,%r13
jle    1290 <main+0xe0>
lea    0xd80(%rip),%rdi
xor    %eax,%eax
call   1080 <printf@plt>
movzbl (%rbx),%esi
mov    %r12,%rdi
xor    %eax,%eax
call   1080 <printf@plt>
cmp    $0x1,%r13
je     1290 <main+0xe0>
mov    $0x1,%r14d
mov    $0x1,%r15d
jmp    1360 <main+0x1b0>
nopw   0x0(%rax,%rax,1)
add    $0x1,%r14d
movzbl (%rbx,%r15,1),%esi
mov    %r12,%rdi
xor    %eax,%eax
call   1080 <printf@plt>
add    $0x1,%r15
cmp    %r15,%r13
je     1290 <main+0xe0>
cmp    $0xf,%r14d
jl     1340 <main+0x190>
lea    0xd1f(%rip),%rdi
call   1040 <puts@plt>
xor    %r14d,%r14d
lea    0xd0f(%rip),%rdi
xor    %eax,%eax
call   1080 <printf@plt>
jmp    1340 <main+0x190>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
%struct.stat = type { i64 }
@.str = [20 x i8] c"failed to stat file\00"
@.str.1 = [32 x i8] c"failed to grab required memeory\00"
@.str.2 = [3 x i8] c"rb\00"
@.str.3 = [20 x i8] c"failed to open file\00"
@.str.4 = [21 x i8] c"failed to slurp file\00"
@.str.5 = [21 x i8] c"failed to close file\00"
@.str.6 = [5 x i8] c"e:p:\00"
@.str.7 = [17 x i8] c"Calling code ...\00"
@.str.8 = [22 x i8] c"\0A\0Achar shellcode[] =\0A\00"
@.str.9 = [3 x i8] c"\22\0A\00"
@.str.10 = [3 x i8] c"\09\22\00"
@.str.11 = [7 x i8] c"\\x%02x\00"
@.str.12 = [6 x i8] c"\22;\0A\0A\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32*
%7 = alloca i8*
%8 = alloca i32
%9 = alloca i32
%10 = alloca i32
%11 = alloca i32
%12 = alloca %struct.stat
%13 = alloca i64
%14 = alloca void ()*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 15, i32* %11
%15 = load i32, i32* %4
%16 = icmp slt i32 %15, 3
br i1 %16, label %17, label %22
17: ; preds = %2
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 0
%20 = load i8*, i8** %19
%21 = call i32 @usage(i8* %20)
br label %22
22: ; preds = %17, %2
%23 = load i8**, i8*** %5
%24 = getelementptr inbounds i8*, i8** %23, i64 2
%25 = load i8*, i8** %24
%26 = call i64 @stat(i8* %25, %struct.stat* %12)
%27 = icmp ne i64 %26, 0
br i1 %27, label %28, label %30
28: ; preds = %22
%29 = call i32 @barf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
br label %30
30: ; preds = %28, %22
%31 = getelementptr inbounds %struct.stat, %struct.stat* %12, i32 0, i32 0
%32 = load i64, i64* %31
store i64 %32, i64* %13
%33 = load i64, i64* %13
%34 = call i8* @malloc(i64 %33)
store i8* %34, i8** %7
%35 = icmp ne i8* %34, null
br i1 %35, label %38, label %36
36: ; preds = %30
%37 = call i32 @barf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.1, i64 0, i64 0))
br label %38
38: ; preds = %36, %30
%39 = load i8**, i8*** %5
%40 = getelementptr inbounds i8*, i8** %39, i64 2
%41 = load i8*, i8** %40
%42 = call i32* @fopen(i8* %41, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
store i32* %42, i32** %6
%43 = icmp ne i32* %42, null
br i1 %43, label %46, label %44
44: ; preds = %38
%45 = call i32 @barf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
br label %46
46: ; preds = %44, %38
%47 = load i8*, i8** %7
%48 = load i64, i64* %13
%49 = load i32*, i32** %6
%50 = call i64 @fread(i8* %47, i32 1, i64 %48, i32* %49)
%51 = load i64, i64* %13
%52 = icmp ne i64 %50, %51
br i1 %52, label %53, label %55
53: ; preds = %46
%54 = call i32 @barf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0))
br label %55
55: ; preds = %53, %46
%56 = load i32*, i32** %6
%57 = call i64 @fclose(i32* %56)
%58 = icmp ne i64 %57, 0
br i1 %58, label %59, label %61
59: ; preds = %55
%60 = call i32 @barf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0))
br label %61
61: ; preds = %59, %55
br label %62
62: ; preds = %113, %61
%63 = load i32, i32* %4
%64 = load i8**, i8*** %5
%65 = call i32 @getopt(i32 %63, i8** %64, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
store i32 %65, i32* %8
%66 = icmp ne i32 %65, -1
br i1 %66, label %67, label %114
67: ; preds = %62
%68 = load i32, i32* %8
switch i32 %68, label %108 [
i32 101, label %69
i32 112, label %74
]
69: ; preds = %67
%70 = call i32 @croak(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.7, i64 0, i64 0))
%71 = load i8*, i8** %7
%72 = bitcast i8* %71 to void ()*
store void ()* %72, void ()** %14
%73 = load void ()*, void ()** %14
br label %113
74: ; preds = %67
%75 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i64 0, i64 0))
%76 = load i32, i32* %11
store i32 %76, i32* %10
store i32 0, i32* %9
br label %77
77: ; preds = %103, %74
%78 = load i32, i32* %9
%79 = sext i32 %78 to i64
%80 = load i64, i64* %13
%81 = icmp slt i64 %79, %80
br i1 %81, label %82, label %106
82: ; preds = %77
%83 = load i32, i32* %10
%84 = load i32, i32* %11
%85 = icmp sge i32 %83, %84
br i1 %85, label %86, label %93
86: ; preds = %82
%87 = load i32, i32* %9
%88 = icmp ne i32 %87, 0
br i1 %88, label %89, label %91
89: ; preds = %86
%90 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.9, i64 0, i64 0))
br label %91
91: ; preds = %89, %86
%92 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10, i64 0, i64 0))
store i32 0, i32* %10
br label %93
93: ; preds = %91, %82
%94 = load i32, i32* %10
%95 = add nsw i32 %94, 1
store i32 %95, i32* %10
%96 = load i8*, i8** %7
%97 = load i32, i32* %9
%98 = sext i32 %97 to i64
%99 = getelementptr inbounds i8, i8* %96, i64 %98
%100 = load i8, i8* %99
%101 = zext i8 %100 to i32
%102 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i32 %101)
br label %103
103: ; preds = %93
%104 = load i32, i32* %9
%105 = add nsw i32 %104, 1
store i32 %105, i32* %9
br label %77
106: ; preds = %77
%107 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.12, i64 0, i64 0))
br label %113
108: ; preds = %67
%109 = load i8**, i8*** %5
%110 = getelementptr inbounds i8*, i8** %109, i64 0
%111 = load i8*, i8** %110
%112 = call i32 @usage(i8* %111)
br label %113
113: ; preds = %108, %106, %69
br label %62
114: ; preds = %62
ret i32 0
}

LLVM IR (-O2):
%struct.stat = type { i64 }
@.str = [20 x i8] c"failed to stat file\00"
@.str.1 = [32 x i8] c"failed to grab required memeory\00"
@.str.2 = [3 x i8] c"rb\00"
@.str.3 = [20 x i8] c"failed to open file\00"
@.str.4 = [21 x i8] c"failed to slurp file\00"
@.str.5 = [21 x i8] c"failed to close file\00"
@.str.6 = [5 x i8] c"e:p:\00"
@.str.7 = [17 x i8] c"Calling code ...\00"
@.str.10 = [3 x i8] c"\09\22\00"
@.str.11 = [7 x i8] c"\\x%02x\00"
@str = [21 x i8] c"\0A\0Achar shellcode[] =\00"
@str.13 = [5 x i8] c"\22;\0A\0A\00"
@str.14 = [2 x i8] c"\22\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca %struct.stat
%4 = bitcast %struct.stat* %3 to i8*
%5 = icmp slt i32 %0, 3
br i1 %5, label %6, label %9
6: ; preds = %2
%7 = load i8*, i8** %1
%8 = tail call i32 @usage(i8* %7)
br label %9
9: ; preds = %6, %2
%10 = getelementptr inbounds i8*, i8** %1, i64 2
%11 = load i8*, i8** %10
%12 = call i64 @stat(i8* %11, %struct.stat* %3)
%13 = icmp eq i64 %12, 0
br i1 %13, label %16, label %14
14: ; preds = %9
%15 = call i32 @barf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
br label %16
16: ; preds = %14, %9
%17 = getelementptr inbounds %struct.stat, %struct.stat* %3, i64 0, i32 0
%18 = load i64, i64* %17
%19 = call i8* @malloc(i64 %18)
%20 = icmp eq i8* %19, null
br i1 %20, label %21, label %23
21: ; preds = %16
%22 = call i32 @barf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.1, i64 0, i64 0))
br label %23
23: ; preds = %21, %16
%24 = load i8*, i8** %10
%25 = call i32* @fopen(i8* %24, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%26 = icmp eq i32* %25, null
br i1 %26, label %27, label %29
27: ; preds = %23
%28 = call i32 @barf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
br label %29
29: ; preds = %27, %23
%30 = call i64 @fread(i8* %19, i32 1, i64 %18, i32* %25)
%31 = icmp eq i64 %30, %18
br i1 %31, label %34, label %32
32: ; preds = %29
%33 = call i32 @barf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0))
br label %34
34: ; preds = %32, %29
%35 = call i64 @fclose(i32* %25)
%36 = icmp eq i64 %35, 0
br i1 %36, label %39, label %37
37: ; preds = %34
%38 = call i32 @barf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0))
br label %39
39: ; preds = %37, %34
%40 = icmp sgt i64 %18, 0
%41 = bitcast i8* %19 to void ()*
%42 = icmp eq i64 %18, 1
br label %43
43: ; preds = %75, %39
%44 = call i32 @getopt(i32 %0, i8** %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
switch i32 %44, label %72 [
i32 -1, label %76
i32 101, label %45
i32 112, label %47
]
45: ; preds = %43
%46 = call i32 @croak(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.7, i64 0, i64 0))
br label %75
47: ; preds = %43
%48 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
br i1 %40, label %49, label %70
49: ; preds = %47
%50 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10, i64 0, i64 0))
%51 = load i8, i8* %19
%52 = zext i8 %51 to i32
%53 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i32 %52)
br i1 %42, label %70, label %54
54: ; preds = %49, %61
%55 = phi i64 [ %68, %61 ], [ 1, %49 ]
%56 = phi i32 [ %63, %61 ], [ 1, %49 ]
%57 = icmp sgt i32 %56, 14
br i1 %57, label %58, label %61
58: ; preds = %54
%59 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.14, i64 0, i64 0))
%60 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10, i64 0, i64 0))
br label %61
61: ; preds = %58, %54
%62 = phi i32 [ 0, %58 ], [ %56, %54 ]
%63 = add nsw i32 %62, 1
%64 = getelementptr inbounds i8, i8* %19, i64 %55
%65 = load i8, i8* %64
%66 = zext i8 %65 to i32
%67 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i32 %66)
%68 = add nuw nsw i64 %55, 1
%69 = icmp eq i64 %68, %18
br i1 %69, label %70, label %54
70: ; preds = %61, %49, %47
%71 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str.13, i64 0, i64 0))
br label %75
72: ; preds = %43
%73 = load i8*, i8** %1
%74 = call i32 @usage(i8* %73)
br label %75
75: ; preds = %72, %70, %45
br label %43
76: ; preds = %43
ret i32 0
}