#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*/ O_RDONLY;
int atoi(char *);
int /*<<< orphan*/ close(int);
int open(char *, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
int read(int, unsigned char *, int);
int main(int argc, char *argv[]) {
  char *filename = NULL;
  int event_size = -1;
  if (argc >= 2) {
    event_size = atoi(argv[1]);
  }
  if (argc >= 3) {
    filename = argv[2];
  }
  if (filename == NULL) {
    filename = "/dev/input/event3";
  }
  int fd = open(filename, O_RDONLY);
  if (fd > 0) {
    printf("Device open at %s\n", filename);
  } else {
    printf("Cannot open device at %s\n", filename);
    return 1;
  }
  unsigned char ev[(1024)];
  int num_bytes;
  while (1) {
    num_bytes = read(fd, ev, sizeof(unsigned char) * (1024));
    if (event_size < 0) {
      printf("Got %d bytes.\n", num_bytes);
      for (int i = 0; i < num_bytes; i++) {
        if (event_size == -2) {
          printf("%3d: 0x%02x\n", i, ev[i]);
        } else {
          printf("%3d: %3d\n", i, ev[i]);
        }
      }
    } else {
      for (int i = 0; i < event_size; i++) {
        printf(" %2d|", i);
      }
      printf("\n");
      for (int j = 0; j < num_bytes / event_size; j++) {
        for (int i = 0; i < event_size; i++) {
          printf("%3d ", ev[i + j * event_size]);
        }
        printf("\n");
      }
    }
  }
  close(fd);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x440,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movq   $0x0,-0x18(%rbp)
movl   $0xffffffff,-0x1c(%rbp)
cmpl   $0x2,-0x8(%rbp)
jl     1182 <main+0x42>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1060 <atoi@plt>
mov    %eax,-0x1c(%rbp)
cmpl   $0x3,-0x8(%rbp)
jl     1198 <main+0x58>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rax
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    11ae <main+0x6e>
lea    0xe56(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    0x2e2f(%rip),%rax
mov    (%rax),%esi
call   1050 <open@plt>
mov    %eax,-0x20(%rbp)
cmpl   $0x0,-0x20(%rbp)
jle    11e4 <main+0xa4>
mov    -0x18(%rbp),%rsi
lea    0xe3a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1204 <main+0xc4>
mov    -0x18(%rbp),%rsi
lea    0xe36(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%eax
add    $0x440,%rsp
pop    %rbp
ret
jmp    1209 <main+0xc9>
mov    -0x20(%rbp),%edi
lea    -0x420(%rbp),%rsi
mov    $0x400,%edx
call   1040 <read@plt>
mov    %eax,-0x424(%rbp)
cmpl   $0x0,-0x1c(%rbp)
jge    12d0 <main+0x190>
mov    -0x424(%rbp),%esi
lea    0xe05(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x428(%rbp)
mov    -0x428(%rbp),%eax
cmp    -0x424(%rbp),%eax
jge    12cb <main+0x18b>
cmpl   $0xfffffffe,-0x1c(%rbp)
jne    128f <main+0x14f>
mov    -0x428(%rbp),%esi
movslq -0x428(%rbp),%rax
movzbl -0x420(%rbp,%rax,1),%edx
ff
lea    0xdcb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12b2 <main+0x172>
mov    -0x428(%rbp),%esi
movslq -0x428(%rbp),%rax
movzbl -0x420(%rbp,%rax,1),%edx
ff
lea    0xdb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12b7 <main+0x177>
mov    -0x428(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x428(%rbp)
jmp    124b <main+0x10b>
jmp    13cd <main+0x28d>
movl   $0x0,-0x42c(%rbp)
mov    -0x42c(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    1311 <main+0x1d1>
mov    -0x42c(%rbp),%esi
lea    0xd6f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x42c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x42c(%rbp)
jmp    12da <main+0x19a>
lea    0xd34(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x430(%rbp)
mov    -0x430(%rbp),%eax
mov    %eax,-0x438(%rbp)
mov    -0x424(%rbp),%eax
cltd
idivl  -0x1c(%rbp)
mov    %eax,%ecx
mov    -0x438(%rbp),%eax
cmp    %ecx,%eax
jge    13c8 <main+0x288>
movl   $0x0,-0x434(%rbp)
mov    -0x434(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    13a6 <main+0x266>
mov    -0x434(%rbp),%eax
mov    -0x430(%rbp),%ecx
imul   -0x1c(%rbp),%ecx
add    %ecx,%eax
cltq
movzbl -0x420(%rbp,%rax,1),%esi
ff
lea    0xce0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x434(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x434(%rbp)
jmp    1359 <main+0x219>
lea    0xc9f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x430(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x430(%rbp)
jmp    1329 <main+0x1e9>
jmp    13cd <main+0x28d>
jmp    1209 <main+0xc9>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x428,%rsp
cmp    $0x2,%edi
jl     117f <main+0x2f>
mov    %rsi,%r14
mov    %edi,%ebp
mov    0x8(%rsi),%rdi
call   1070 <atoi@plt>
mov    %eax,%ebx
cmp    $0x2,%ebp
jne    1188 <main+0x38>
xor    %eax,%eax
jmp    118c <main+0x3c>
mov    $0xffffffff,%ebx
xor    %eax,%eax
jmp    118c <main+0x3c>
mov    0x10(%r14),%rax
test   %rax,%rax
lea    0xe6a(%rip),%rbp
cmovne %rax,%rbp
mov    0x2e47(%rip),%rax
mov    (%rax),%esi
mov    %rbp,%rdi
call   1060 <open@plt>
mov    %eax,0xc(%rsp)
test   %eax,%eax
jle    1301 <main+0x1b1>
lea    0xe54(%rip),%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
cmp    $0xfffffffe,%ebx
mov    %ebx,0x8(%rsp)
movslq %ebx,%rax
mov    %rax,0x18(%rsp)
mov    %eax,%r13d
lea    0xe6d(%rip),%rax
lea    0xe73(%rip),%rcx
cmove  %rax,%rcx
mov    %rcx,0x10(%rsp)
lea    0xe73(%rip),%r12
nopl   0x0(%rax,%rax,1)
mov    0xc(%rsp),%edi
lea    0x20(%rsp),%rsi
mov    $0x400,%edx
call   1050 <read@plt>
mov    %eax,%r15d
mov    0x8(%rsp),%ebx
test   %ebx,%ebx
js     12c0 <main+0x170>
lea    0xe3c(%rip),%r14
jle    1243 <main+0xf3>
xor    %ebp,%ebp
nopl   (%rax)
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%ebp
cmp    %ebp,%ebx
jne    1230 <main+0xe0>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %r15d,%eax
cltd
idiv   %ebx
test   %eax,%eax
jle    1200 <main+0xb0>
mov    %eax,%ebp
lea    0x20(%rsp),%r14
xor    %r15d,%r15d
jmp    128c <main+0x13c>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r15
add    0x18(%rsp),%r14
cmp    %rbp,%r15
je     1200 <main+0xb0>
cmpl   $0x0,0x8(%rsp)
jle    1270 <main+0x120>
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nop
movzbl (%r14,%rbx,1),%esi
mov    %r12,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r13
jne    12a0 <main+0x150>
jmp    1270 <main+0x120>
nopw   0x0(%rax,%rax,1)
lea    0xd78(%rip),%rdi
mov    %r15d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
test   %r15d,%r15d
jle    1200 <main+0xb0>
mov    %r15d,%ebx
xor    %ebp,%ebp
nop
movzbl 0x20(%rsp,%rbp,1),%edx
mov    0x10(%rsp),%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbp
cmp    %rbp,%rbx
jne    12e0 <main+0x190>
jmp    1200 <main+0xb0>
lea    0xd1d(%rip),%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%eax
add    $0x428,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [18 x i8] c"/dev/input/event3\00"
@O_RDONLY = global i32 0
@.str.1 = [19 x i8] c"Device open at %s\0A\00"
@.str.2 = [26 x i8] c"Cannot open device at %s\0A\00"
@.str.3 = [15 x i8] c"Got %d bytes.\0A\00"
@.str.4 = [13 x i8] c"%3d: 0x%02x\0A\00"
@.str.5 = [10 x i8] c"%3d: %3d\0A\00"
@.str.6 = [6 x i8] c" %2d|\00"
@.str.7 = [2 x i8] c"\0A\00"
@.str.8 = [5 x i8] c"%3d \00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i32
%8 = alloca i32
%9 = alloca [1024 x i8]
%10 = alloca i32
%11 = alloca i32
%12 = alloca i32
%13 = alloca i32
%14 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i8* null, i8** %6
store i32 -1, i32* %7
%15 = load i32, i32* %4
%16 = icmp sge i32 %15, 2
br i1 %16, label %17, label %22
17: ; preds = %2
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 1
%20 = load i8*, i8** %19
%21 = call i32 @atoi(i8* %20)
store i32 %21, i32* %7
br label %22
22: ; preds = %17, %2
%23 = load i32, i32* %4
%24 = icmp sge i32 %23, 3
br i1 %24, label %25, label %29
25: ; preds = %22
%26 = load i8**, i8*** %5
%27 = getelementptr inbounds i8*, i8** %26, i64 2
%28 = load i8*, i8** %27
store i8* %28, i8** %6
br label %29
29: ; preds = %25, %22
%30 = load i8*, i8** %6
%31 = icmp eq i8* %30, null
br i1 %31, label %32, label %33
32: ; preds = %29
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8** %6
br label %33
33: ; preds = %32, %29
%34 = load i8*, i8** %6
%35 = load i32, i32* @O_RDONLY
%36 = call i32 @open(i8* %34, i32 %35)
store i32 %36, i32* %8
%37 = load i32, i32* %8
%38 = icmp sgt i32 %37, 0
br i1 %38, label %39, label %42
39: ; preds = %33
%40 = load i8*, i8** %6
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i8* %40)
br label %45
42: ; preds = %33
%43 = load i8*, i8** %6
%44 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0), i8* %43)
ret i32 1
45: ; preds = %39
br label %46
46: ; preds = %45, %127
%47 = load i32, i32* %8
%48 = getelementptr inbounds [1024 x i8], [1024 x i8]* %9, i64 0, i64 0
%49 = call i32 @read(i32 %47, i8* %48, i32 1024)
store i32 %49, i32* %10
%50 = load i32, i32* %7
%51 = icmp slt i32 %50, 0
br i1 %51, label %52, label %83
52: ; preds = %46
%53 = load i32, i32* %10
%54 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %53)
store i32 0, i32* %11
br label %55
55: ; preds = %79, %52
%56 = load i32, i32* %11
%57 = load i32, i32* %10
%58 = icmp slt i32 %56, %57
br i1 %58, label %59, label %82
59: ; preds = %55
%60 = load i32, i32* %7
%61 = icmp eq i32 %60, -2
br i1 %61, label %62, label %70
62: ; preds = %59
%63 = load i32, i32* %11
%64 = load i32, i32* %11
%65 = sext i32 %64 to i64
%66 = getelementptr inbounds [1024 x i8], [1024 x i8]* %9, i64 0, i64 %65
%67 = load i8, i8* %66
%68 = zext i8 %67 to i32
%69 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0), i32 %63, i32 %68)
br label %78
70: ; preds = %59
%71 = load i32, i32* %11
%72 = load i32, i32* %11
%73 = sext i32 %72 to i64
%74 = getelementptr inbounds [1024 x i8], [1024 x i8]* %9, i64 0, i64 %73
%75 = load i8, i8* %74
%76 = zext i8 %75 to i32
%77 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0), i32 %71, i32 %76)
br label %78
78: ; preds = %70, %62
br label %79
79: ; preds = %78
%80 = load i32, i32* %11
%81 = add nsw i32 %80, 1
store i32 %81, i32* %11
br label %55
82: ; preds = %55
br label %127
83: ; preds = %46
store i32 0, i32* %12
br label %84
84: ; preds = %91, %83
%85 = load i32, i32* %12
%86 = load i32, i32* %7
%87 = icmp slt i32 %85, %86
br i1 %87, label %88, label %94
88: ; preds = %84
%89 = load i32, i32* %12
%90 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i32 %89)
br label %91
91: ; preds = %88
%92 = load i32, i32* %12
%93 = add nsw i32 %92, 1
store i32 %93, i32* %12
br label %84
94: ; preds = %84
%95 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
store i32 0, i32* %13
br label %96
96: ; preds = %123, %94
%97 = load i32, i32* %13
%98 = load i32, i32* %10
%99 = load i32, i32* %7
%100 = sdiv i32 %98, %99
%101 = icmp slt i32 %97, %100
br i1 %101, label %102, label %126
102: ; preds = %96
store i32 0, i32* %14
br label %103
103: ; preds = %118, %102
%104 = load i32, i32* %14
%105 = load i32, i32* %7
%106 = icmp slt i32 %104, %105
br i1 %106, label %107, label %121
107: ; preds = %103
%108 = load i32, i32* %14
%109 = load i32, i32* %13
%110 = load i32, i32* %7
%111 = mul nsw i32 %109, %110
%112 = add nsw i32 %108, %111
%113 = sext i32 %112 to i64
%114 = getelementptr inbounds [1024 x i8], [1024 x i8]* %9, i64 0, i64 %113
%115 = load i8, i8* %114
%116 = zext i8 %115 to i32
%117 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0), i32 %116)
br label %118
118: ; preds = %107
%119 = load i32, i32* %14
%120 = add nsw i32 %119, 1
store i32 %120, i32* %14
br label %103
121: ; preds = %103
%122 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
br label %123
123: ; preds = %121
%124 = load i32, i32* %13
%125 = add nsw i32 %124, 1
store i32 %125, i32* %13
br label %96
126: ; preds = %96
br label %127
127: ; preds = %126, %82
br label %46
}

LLVM IR (-O2):
@.str = [18 x i8] c"/dev/input/event3\00"
@O_RDONLY = global i32 0
@.str.1 = [19 x i8] c"Device open at %s\0A\00"
@.str.2 = [26 x i8] c"Cannot open device at %s\0A\00"
@.str.3 = [15 x i8] c"Got %d bytes.\0A\00"
@.str.4 = [13 x i8] c"%3d: 0x%02x\0A\00"
@.str.5 = [10 x i8] c"%3d: %3d\0A\00"
@.str.6 = [6 x i8] c" %2d|\00"
@.str.8 = [5 x i8] c"%3d \00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = alloca [1024 x i8]
%4 = icmp sgt i32 %0, 1
br i1 %4, label %5, label %13
5: ; preds = %2
%6 = getelementptr inbounds i8*, i8** %1, i64 1
%7 = load i8*, i8** %6
%8 = tail call i32 @atoi(i8* %7)
%9 = icmp eq i32 %0, 2
br i1 %9, label %13, label %10
10: ; preds = %5
%11 = getelementptr inbounds i8*, i8** %1, i64 2
%12 = load i8*, i8** %11
br label %13
13: ; preds = %2, %10, %5
%14 = phi i32 [ %8, %10 ], [ %8, %5 ], [ -1, %2 ]
%15 = phi i8* [ %12, %10 ], [ null, %5 ], [ null, %2 ]
%16 = icmp eq i8* %15, null
%17 = select i1 %16, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %15
%18 = load i32, i32* @O_RDONLY
%19 = tail call i32 @open(i8* %17, i32 %18)
%20 = icmp sgt i32 %19, 0
br i1 %20, label %21, label %30
21: ; preds = %13
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i8* %17)
%23 = getelementptr inbounds [1024 x i8], [1024 x i8]* %3, i64 0, i64 0
%24 = icmp slt i32 %14, 0
%25 = icmp sgt i32 %14, 0
%26 = icmp eq i32 %14, -2
%27 = sext i32 %14 to i64
%28 = zext i32 %14 to i64
%29 = select i1 %26, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0)
br label %32
30: ; preds = %13
%31 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0), i8* %17)
ret i32 1
32: ; preds = %53, %21
%33 = call i32 @read(i32 %19, i8* %23, i32 1024)
br i1 %24, label %35, label %34
34: ; preds = %32
br i1 %25, label %56, label %49
35: ; preds = %32
%36 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %33)
%37 = icmp sgt i32 %33, 0
br i1 %37, label %38, label %53
38: ; preds = %35
%39 = zext i32 %33 to i64
br label %40
40: ; preds = %38, %40
%41 = phi i64 [ 0, %38 ], [ %47, %40 ]
%42 = getelementptr inbounds [1024 x i8], [1024 x i8]* %3, i64 0, i64 %41
%43 = load i8, i8* %42
%44 = zext i8 %43 to i32
%45 = trunc i64 %41 to i32
%46 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) %29, i32 %45, i32 %44)
%47 = add nuw nsw i64 %41, 1
%48 = icmp eq i64 %47, %39
br i1 %48, label %53, label %40
49: ; preds = %56, %34
%50 = tail call i32 @putchar(i32 10)
%51 = sdiv i32 %33, %14
%52 = icmp sgt i32 %51, 0
br i1 %52, label %54, label %53
53: ; preds = %65, %40, %49, %35
br label %32
54: ; preds = %49
%55 = zext i32 %51 to i64
br label %61
56: ; preds = %34, %56
%57 = phi i32 [ %59, %56 ], [ 0, %34 ]
%58 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i32 %57)
%59 = add nuw nsw i32 %57, 1
%60 = icmp eq i32 %59, %14
br i1 %60, label %49, label %56
61: ; preds = %54, %65
%62 = phi i64 [ 0, %54 ], [ %67, %65 ]
br i1 %25, label %63, label %65
63: ; preds = %61
%64 = mul nsw i64 %62, %27
br label %69
65: ; preds = %69, %61
%66 = tail call i32 @putchar(i32 10)
%67 = add nuw nsw i64 %62, 1
%68 = icmp eq i64 %67, %55
br i1 %68, label %53, label %61
69: ; preds = %63, %69
%70 = phi i64 [ 0, %63 ], [ %76, %69 ]
%71 = add nsw i64 %70, %64
%72 = getelementptr inbounds [1024 x i8], [1024 x i8]* %3, i64 0, i64 %71
%73 = load i8, i8* %72
%74 = zext i8 %73 to i32
%75 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0), i32 %74)
%76 = add nuw nsw i64 %70, 1
%77 = icmp eq i64 %76, %28
br i1 %77, label %65, label %69
}