#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 POSIX_FADV_DONTNEED;
int POSIX_FADV_NORMAL;
int POSIX_FADV_RANDOM;
int POSIX_FADV_SEQUENTIAL;
int POSIX_FADV_WILLNEED;
int /*<<< orphan*/ close(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ fsync(int);
int open(char *, int /*<<< orphan*/);
int /*<<< orphan*/ perror(char *);
int posix_fadvise(int, int /*<<< orphan*/, int /*<<< orphan*/, int);
int /*<<< orphan*/ stderr;
scalar_t__ strcmp(char *, char *);
main(int argc, char *argv[]) {
  int fd, rc, ii, arg;
  int advise = POSIX_FADV_DONTNEED;
  for (arg = 1; arg < argc; arg++) {
    if (argv[arg][0] != '-')
      break;
    if (strcmp(argv[arg], "--sequential") == 0)
      advise = POSIX_FADV_SEQUENTIAL;
    else if (strcmp(argv[arg], "--random") == 0)
      advise = POSIX_FADV_RANDOM;
    else if (strcmp(argv[arg], "--willneed") == 0)
      advise = POSIX_FADV_WILLNEED;
    else if (strcmp(argv[arg], "--dontneed") == 0)
      advise = POSIX_FADV_DONTNEED;
    else if (strcmp(argv[arg], "--normal") == 0)
      advise = POSIX_FADV_NORMAL;
    else
      fprintf(stderr, "Unknown option '%s'\n", argv[arg]);
  }
  for (ii = arg; ii < argc; ii++) {
    fd = open(argv[ii], O_RDONLY);
    if (fd == -1) {
      perror(argv[ii]);
      continue;
    }
    fsync(fd);
    rc = posix_fadvise(fd, 0, 0, advise);
    if (rc != 0)
      perror("posix_fadvise");
    close(fd);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    0x2e63(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
movl   $0x1,-0x20(%rbp)
mov    -0x20(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1309 <main+0x199>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movsbl (%rax),%eax
cmp    $0x2d,%eax
je     11c2 <main+0x52>
jmp    1309 <main+0x199>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
lea    0xe2b(%rip),%rsi
call   1050 <strcmp@plt>
cmp    $0x0,%rax
jne    11f5 <main+0x85>
mov    0x2dc5(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
jmp    12f6 <main+0x186>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
lea    0xe05(%rip),%rsi
call   1050 <strcmp@plt>
cmp    $0x0,%rax
jne    1228 <main+0xb8>
mov    0x2da2(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
jmp    12f1 <main+0x181>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
lea    0xddb(%rip),%rsi
call   1050 <strcmp@plt>
cmp    $0x0,%rax
jne    125b <main+0xeb>
mov    0x2d7f(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
jmp    12ec <main+0x17c>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
lea    0xdb3(%rip),%rsi
call   1050 <strcmp@plt>
cmp    $0x0,%rax
jne    128e <main+0x11e>
mov    0x2d6c(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
jmp    12e7 <main+0x177>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
lea    0xd8b(%rip),%rsi
call   1050 <strcmp@plt>
cmp    $0x0,%rax
jne    12c1 <main+0x151>
mov    0x2d29(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x24(%rbp)
jmp    12e2 <main+0x172>
mov    0x2cf0(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xd58(%rip),%rsi
call   1060 <fprintf@plt>
jmp    12e7 <main+0x177>
jmp    12ec <main+0x17c>
jmp    12f1 <main+0x181>
jmp    12f6 <main+0x186>
jmp    12fb <main+0x18b>
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    1199 <main+0x29>
mov    -0x20(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    139e <main+0x22e>
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
mov    0x2caa(%rip),%rax
mov    (%rax),%esi
call   1080 <open@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0xffffffff,-0x14(%rbp)
jne    1358 <main+0x1e8>
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1090 <perror@plt>
jmp    1390 <main+0x220>
mov    -0x14(%rbp),%edi
call   1070 <fsync@plt>
mov    -0x14(%rbp),%edi
mov    -0x24(%rbp),%ecx
xor    %edx,%edx
mov    %edx,%esi
call   1040 <posix_fadvise@plt>
mov    %eax,-0x18(%rbp)
cmpl   $0x0,-0x18(%rbp)
je     1388 <main+0x218>
lea    0xcc7(%rip),%rdi
call   1090 <perror@plt>
mov    -0x14(%rbp),%edi
call   1030 <close@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    130f <main+0x19f>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %edi,%r14d
mov    0x2e68(%rip),%rax
mov    (%rax),%r15d
mov    $0x1,%r13d
cmp    $0x2,%edi
jl     1292 <main+0x122>
mov    %r14d,%r12d
mov    $0x1,%r13d
lea    0xe56(%rip),%rbp
nopw   0x0(%rax,%rax,1)
mov    (%rbx,%r13,8),%rdi
cmpb   $0x2d,(%rdi)
jne    1292 <main+0x122>
mov    %rbp,%rsi
call   1050 <strcmp@plt>
test   %rax,%rax
je     1240 <main+0xd0>
mov    (%rbx,%r13,8),%rdi
lea    0xe38(%rip),%rsi
call   1050 <strcmp@plt>
test   %rax,%rax
je     1250 <main+0xe0>
mov    (%rbx,%r13,8),%rdi
lea    0xe2c(%rip),%rsi
call   1050 <strcmp@plt>
test   %rax,%rax
je     1259 <main+0xe9>
mov    (%rbx,%r13,8),%rdi
lea    0xe22(%rip),%rsi
call   1050 <strcmp@plt>
test   %rax,%rax
je     1262 <main+0xf2>
mov    (%rbx,%r13,8),%rdi
lea    0xe18(%rip),%rsi
call   1050 <strcmp@plt>
test   %rax,%rax
je     126b <main+0xfb>
mov    0x2d93(%rip),%rax
mov    (%rax),%edi
mov    (%rbx,%r13,8),%rdx
lea    0xe03(%rip),%rsi
call   1060 <fprintf@plt>
jmp    1283 <main+0x113>
nopl   0x0(%rax)
mov    0x2d69(%rip),%rax
jmp    1280 <main+0x110>
nopl   0x0(%rax)
mov    0x2d69(%rip),%rax
jmp    1280 <main+0x110>
mov    0x2d70(%rip),%rax
jmp    1280 <main+0x110>
mov    0x2d87(%rip),%rax
jmp    1280 <main+0x110>
mov    0x2d6e(%rip),%rax
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    (%rax),%r15d
add    $0x1,%r13
cmp    %r13,%r12
jne    11b0 <main+0x40>
jmp    130c <main+0x19c>
cmp    %r14d,%r13d
jge    130c <main+0x19c>
mov    %r13d,%eax
lea    (%rbx,%rax,8),%rbp
mov    0x2d33(%rip),%r12
cs nopw 0x0(%rax,%rax,1)
nop
mov    0x0(%rbp),%rdi
mov    (%r12),%esi
call   1080 <open@plt>
cmp    $0xffffffff,%eax
je     12f3 <main+0x183>
mov    %eax,%ebx
mov    %eax,%edi
call   1070 <fsync@plt>
mov    %ebx,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    %r15d,%ecx
call   1040 <posix_fadvise@plt>
test   %eax,%eax
jne    12fe <main+0x18e>
mov    %ebx,%edi
call   1030 <close@plt>
add    $0x8,%rbp
add    $0x1,%r13d
cmp    %r14d,%r13d
jl     12b0 <main+0x140>
jmp    130c <main+0x19c>
mov    0x0(%rbp),%rdi
call   1090 <perror@plt>
jmp    12e4 <main+0x174>
lea    0xd45(%rip),%rdi
call   1090 <perror@plt>
jmp    12dd <main+0x16d>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@POSIX_FADV_DONTNEED = global i32 0
@.str = [13 x i8] c"--sequential\00"
@POSIX_FADV_SEQUENTIAL = global i32 0
@.str.1 = [9 x i8] c"--random\00"
@POSIX_FADV_RANDOM = global i32 0
@.str.2 = [11 x i8] c"--willneed\00"
@POSIX_FADV_WILLNEED = global i32 0
@.str.3 = [11 x i8] c"--dontneed\00"
@.str.4 = [9 x i8] c"--normal\00"
@POSIX_FADV_NORMAL = global i32 0
@stderr = global i32 0
@.str.5 = [21 x i8] c"Unknown option '%s'\0A\00"
@O_RDONLY = global i32 0
@.str.6 = [14 x i8] c"posix_fadvise\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
%10 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%11 = load i32, i32* @POSIX_FADV_DONTNEED
store i32 %11, i32* %10
store i32 1, i32* %9
br label %12
12: ; preds = %90, %2
%13 = load i32, i32* %9
%14 = load i32, i32* %4
%15 = icmp slt i32 %13, %14
br i1 %15, label %16, label %93
16: ; preds = %12
%17 = load i8**, i8*** %5
%18 = load i32, i32* %9
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i8*, i8** %17, i64 %19
%21 = load i8*, i8** %20
%22 = getelementptr inbounds i8, i8* %21, i64 0
%23 = load i8, i8* %22
%24 = sext i8 %23 to i32
%25 = icmp ne i32 %24, 45
br i1 %25, label %26, label %27
26: ; preds = %16
br label %93
27: ; preds = %16
%28 = load i8**, i8*** %5
%29 = load i32, i32* %9
%30 = sext i32 %29 to i64
%31 = getelementptr inbounds i8*, i8** %28, i64 %30
%32 = load i8*, i8** %31
%33 = call i64 @strcmp(i8* %32, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%34 = icmp eq i64 %33, 0
br i1 %34, label %35, label %37
35: ; preds = %27
%36 = load i32, i32* @POSIX_FADV_SEQUENTIAL
store i32 %36, i32* %10
br label %89
37: ; preds = %27
%38 = load i8**, i8*** %5
%39 = load i32, i32* %9
%40 = sext i32 %39 to i64
%41 = getelementptr inbounds i8*, i8** %38, i64 %40
%42 = load i8*, i8** %41
%43 = call i64 @strcmp(i8* %42, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%44 = icmp eq i64 %43, 0
br i1 %44, label %45, label %47
45: ; preds = %37
%46 = load i32, i32* @POSIX_FADV_RANDOM
store i32 %46, i32* %10
br label %88
47: ; preds = %37
%48 = load i8**, i8*** %5
%49 = load i32, i32* %9
%50 = sext i32 %49 to i64
%51 = getelementptr inbounds i8*, i8** %48, i64 %50
%52 = load i8*, i8** %51
%53 = call i64 @strcmp(i8* %52, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%54 = icmp eq i64 %53, 0
br i1 %54, label %55, label %57
55: ; preds = %47
%56 = load i32, i32* @POSIX_FADV_WILLNEED
store i32 %56, i32* %10
br label %87
57: ; preds = %47
%58 = load i8**, i8*** %5
%59 = load i32, i32* %9
%60 = sext i32 %59 to i64
%61 = getelementptr inbounds i8*, i8** %58, i64 %60
%62 = load i8*, i8** %61
%63 = call i64 @strcmp(i8* %62, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%64 = icmp eq i64 %63, 0
br i1 %64, label %65, label %67
65: ; preds = %57
%66 = load i32, i32* @POSIX_FADV_DONTNEED
store i32 %66, i32* %10
br label %86
67: ; preds = %57
%68 = load i8**, i8*** %5
%69 = load i32, i32* %9
%70 = sext i32 %69 to i64
%71 = getelementptr inbounds i8*, i8** %68, i64 %70
%72 = load i8*, i8** %71
%73 = call i64 @strcmp(i8* %72, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%74 = icmp eq i64 %73, 0
br i1 %74, label %75, label %77
75: ; preds = %67
%76 = load i32, i32* @POSIX_FADV_NORMAL
store i32 %76, i32* %10
br label %85
77: ; preds = %67
%78 = load i32, i32* @stderr
%79 = load i8**, i8*** %5
%80 = load i32, i32* %9
%81 = sext i32 %80 to i64
%82 = getelementptr inbounds i8*, i8** %79, i64 %81
%83 = load i8*, i8** %82
%84 = call i32 @fprintf(i32 %78, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0), i8* %83)
br label %85
85: ; preds = %77, %75
br label %86
86: ; preds = %85, %65
br label %87
87: ; preds = %86, %55
br label %88
88: ; preds = %87, %45
br label %89
89: ; preds = %88, %35
br label %90
90: ; preds = %89
%91 = load i32, i32* %9
%92 = add nsw i32 %91, 1
store i32 %92, i32* %9
br label %12
93: ; preds = %26, %12
%94 = load i32, i32* %9
store i32 %94, i32* %8
br label %95
95: ; preds = %129, %93
%96 = load i32, i32* %8
%97 = load i32, i32* %4
%98 = icmp slt i32 %96, %97
br i1 %98, label %99, label %132
99: ; preds = %95
%100 = load i8**, i8*** %5
%101 = load i32, i32* %8
%102 = sext i32 %101 to i64
%103 = getelementptr inbounds i8*, i8** %100, i64 %102
%104 = load i8*, i8** %103
%105 = load i32, i32* @O_RDONLY
%106 = call i32 @open(i8* %104, i32 %105)
store i32 %106, i32* %6
%107 = load i32, i32* %6
%108 = icmp eq i32 %107, -1
br i1 %108, label %109, label %116
109: ; preds = %99
%110 = load i8**, i8*** %5
%111 = load i32, i32* %8
%112 = sext i32 %111 to i64
%113 = getelementptr inbounds i8*, i8** %110, i64 %112
%114 = load i8*, i8** %113
%115 = call i32 @perror(i8* %114)
br label %129
116: ; preds = %99
%117 = load i32, i32* %6
%118 = call i32 @fsync(i32 %117)
%119 = load i32, i32* %6
%120 = load i32, i32* %10
%121 = call i32 @posix_fadvise(i32 %119, i32 0, i32 0, i32 %120)
store i32 %121, i32* %7
%122 = load i32, i32* %7
%123 = icmp ne i32 %122, 0
br i1 %123, label %124, label %126
124: ; preds = %116
%125 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
br label %126
126: ; preds = %124, %116
%127 = load i32, i32* %6
%128 = call i32 @close(i32 %127)
br label %129
129: ; preds = %126, %109
%130 = load i32, i32* %8
%131 = add nsw i32 %130, 1
store i32 %131, i32* %8
br label %95
132: ; preds = %95
ret i32 0
}

LLVM IR (-O2):
@POSIX_FADV_DONTNEED = global i32 0
@.str = [13 x i8] c"--sequential\00"
@POSIX_FADV_SEQUENTIAL = global i32 0
@.str.1 = [9 x i8] c"--random\00"
@POSIX_FADV_RANDOM = global i32 0
@.str.2 = [11 x i8] c"--willneed\00"
@POSIX_FADV_WILLNEED = global i32 0
@.str.3 = [11 x i8] c"--dontneed\00"
@.str.4 = [9 x i8] c"--normal\00"
@POSIX_FADV_NORMAL = global i32 0
@stderr = global i32 0
@.str.5 = [21 x i8] c"Unknown option '%s'\0A\00"
@O_RDONLY = global i32 0
@.str.6 = [14 x i8] c"posix_fadvise\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = load i32, i32* @POSIX_FADV_DONTNEED
%4 = icmp sgt i32 %0, 1
br i1 %4, label %5, label %53
5: ; preds = %2
%6 = zext i32 %0 to i64
br label %7
7: ; preds = %5, %47
%8 = phi i64 [ 1, %5 ], [ %49, %47 ]
%9 = phi i32 [ %3, %5 ], [ %48, %47 ]
%10 = getelementptr inbounds i8*, i8** %1, i64 %8
%11 = load i8*, i8** %10
%12 = load i8, i8* %11
%13 = icmp eq i8 %12, 45
br i1 %13, label %14, label %51
14: ; preds = %7
%15 = tail call i64 @strcmp(i8* %11, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %19
17: ; preds = %14
%18 = load i32, i32* @POSIX_FADV_SEQUENTIAL
br label %47
19: ; preds = %14
%20 = load i8*, i8** %10
%21 = tail call i64 @strcmp(i8* %20, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%22 = icmp eq i64 %21, 0
br i1 %22, label %23, label %25
23: ; preds = %19
%24 = load i32, i32* @POSIX_FADV_RANDOM
br label %47
25: ; preds = %19
%26 = load i8*, i8** %10
%27 = tail call i64 @strcmp(i8* %26, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%28 = icmp eq i64 %27, 0
br i1 %28, label %29, label %31
29: ; preds = %25
%30 = load i32, i32* @POSIX_FADV_WILLNEED
br label %47
31: ; preds = %25
%32 = load i8*, i8** %10
%33 = tail call i64 @strcmp(i8* %32, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%34 = icmp eq i64 %33, 0
br i1 %34, label %35, label %37
35: ; preds = %31
%36 = load i32, i32* @POSIX_FADV_DONTNEED
br label %47
37: ; preds = %31
%38 = load i8*, i8** %10
%39 = tail call i64 @strcmp(i8* %38, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%40 = icmp eq i64 %39, 0
br i1 %40, label %41, label %43
41: ; preds = %37
%42 = load i32, i32* @POSIX_FADV_NORMAL
br label %47
43: ; preds = %37
%44 = load i32, i32* @stderr
%45 = load i8*, i8** %10
%46 = tail call i32 @fprintf(i32 %44, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0), i8* %45)
br label %47
47: ; preds = %17, %29, %41, %43, %35, %23
%48 = phi i32 [ %18, %17 ], [ %24, %23 ], [ %30, %29 ], [ %36, %35 ], [ %42, %41 ], [ %9, %43 ]
%49 = add nuw nsw i64 %8, 1
%50 = icmp eq i64 %49, %6
br i1 %50, label %81, label %7
51: ; preds = %7
%52 = trunc i64 %8 to i32
br label %53
53: ; preds = %51, %2
%54 = phi i32 [ 1, %2 ], [ %52, %51 ]
%55 = phi i32 [ %3, %2 ], [ %9, %51 ]
%56 = icmp slt i32 %54, %0
br i1 %56, label %57, label %81
57: ; preds = %53
%58 = zext i32 %54 to i64
br label %59
59: ; preds = %57, %77
%60 = phi i64 [ %58, %57 ], [ %78, %77 ]
%61 = getelementptr inbounds i8*, i8** %1, i64 %60
%62 = load i8*, i8** %61
%63 = load i32, i32* @O_RDONLY
%64 = tail call i32 @open(i8* %62, i32 %63)
%65 = icmp eq i32 %64, -1
br i1 %65, label %66, label %69
66: ; preds = %59
%67 = load i8*, i8** %61
%68 = tail call i32 @perror(i8* %67)
br label %77
69: ; preds = %59
%70 = tail call i32 @fsync(i32 %64)
%71 = tail call i32 @posix_fadvise(i32 %64, i32 0, i32 0, i32 %55)
%72 = icmp eq i32 %71, 0
br i1 %72, label %75, label %73
73: ; preds = %69
%74 = tail call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
br label %75
75: ; preds = %73, %69
%76 = tail call i32 @close(i32 %64)
br label %77
77: ; preds = %75, %66
%78 = add nuw nsw i64 %60, 1
%79 = trunc i64 %78 to i32
%80 = icmp slt i32 %79, %0
br i1 %80, label %59, label %81
81: ; preds = %47, %77, %53
ret i32 0
}