#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*/ advance();
int /*<<< orphan*/ freename(char *);
char *malloc(int);
scalar_t__ match(int);
int /*<<< orphan*/ memset(char *, char, int);
int /*<<< orphan*/ strcat(char *, char *);
int strlen(char *);
char *termp();
char *expression() {
  char *tempvar, *tempvar2, *tempvar3;
  tempvar = termp();
  while (match(7) || match(8) || match(11)) {
    while (match(7)) {
      advance();
      tempvar2 = termp();
      char *longone;
      longone = malloc(sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      memset(longone, '\0',
             sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      strcat(longone, tempvar);
      strcat(longone, "<");
      strcat(longone, tempvar2);
      freename(tempvar2);
      freename(tempvar);
      return longone;
    }
    while (match(8)) {
      advance();
      tempvar2 = termp();
      char *longone;
      longone = malloc(sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      memset(longone, '\0',
             sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      strcat(longone, tempvar);
      strcat(longone, ">");
      strcat(longone, tempvar2);
      freename(tempvar2);
      freename(tempvar);
      return longone;
    }
    while (match(11)) {
      advance();
      tempvar2 = termp();
      char *longone;
      longone = malloc(sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      memset(longone, '\0',
             sizeof(char) * (strlen(tempvar) + strlen(tempvar2) + 4));
      strcat(longone, tempvar);
      strcat(longone, "==");
      strcat(longone, tempvar2);
      freename(tempvar2);
      freename(tempvar);
      return longone;
    }
  }
  return tempvar;
}


x86 assembly (clang, -O0):
<expression>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
mov    $0x0,%al
call   1030 <termp@plt>
mov    %rax,-0x10(%rbp)
mov    $0x7,%edi
call   1090 <match@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x39(%rbp)
jne    11df <expression+0x5f>
mov    $0x8,%edi
call   1090 <match@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x39(%rbp)
jne    11df <expression+0x5f>
mov    $0xb,%edi
call   1090 <match@plt>
cmp    $0x0,%rax
setne  %al
mov    %al,-0x39(%rbp)
mov    -0x39(%rbp),%al
test   $0x1,%al
jne    11ef <expression+0x6f>
jmp    148e <expression+0x30e>
jmp    11f4 <expression+0x74>
mov    $0x7,%edi
call   1090 <match@plt>
cmp    $0x0,%rax
je     12cd <expression+0x14d>
mov    $0x0,%al
call   1070 <advance@plt>
mov    $0x0,%al
call   1030 <termp@plt>
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x4c(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,%ecx
mov    -0x4c(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edi
call   1080 <malloc@plt>
mov    %rax,-0x28(%rbp)
mov    -0x28(%rbp),%rax
mov    %rax,-0x48(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x40(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    -0x48(%rbp),%rdi
mov    %eax,%ecx
mov    -0x40(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edx
xor    %esi,%esi
call   1060 <memset@plt>
mov    -0x28(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x28(%rbp),%rdi
lea    0xd64(%rip),%rsi
call   10a0 <strcat@plt>
mov    -0x28(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x18(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x10(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x28(%rbp),%rax
mov    %rax,-0x8(%rbp)
jmp    1496 <expression+0x316>
jmp    12d2 <expression+0x152>
mov    $0x8,%edi
call   1090 <match@plt>
cmp    $0x0,%rax
je     13ab <expression+0x22b>
mov    $0x0,%al
call   1070 <advance@plt>
mov    $0x0,%al
call   1030 <termp@plt>
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x5c(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,%ecx
mov    -0x5c(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edi
call   1080 <malloc@plt>
mov    %rax,-0x30(%rbp)
mov    -0x30(%rbp),%rax
mov    %rax,-0x58(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x50(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    -0x58(%rbp),%rdi
mov    %eax,%ecx
mov    -0x50(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edx
xor    %esi,%esi
call   1060 <memset@plt>
mov    -0x30(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x30(%rbp),%rdi
lea    0xc88(%rip),%rsi
call   10a0 <strcat@plt>
mov    -0x30(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x18(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x10(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x30(%rbp),%rax
mov    %rax,-0x8(%rbp)
jmp    1496 <expression+0x316>
jmp    13b0 <expression+0x230>
mov    $0xb,%edi
call   1090 <match@plt>
cmp    $0x0,%rax
je     1489 <expression+0x309>
mov    $0x0,%al
call   1070 <advance@plt>
mov    $0x0,%al
call   1030 <termp@plt>
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x6c(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,%ecx
mov    -0x6c(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edi
call   1080 <malloc@plt>
mov    %rax,-0x38(%rbp)
mov    -0x38(%rbp),%rax
mov    %rax,-0x68(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %eax,-0x60(%rbp)
mov    -0x18(%rbp),%rdi
call   1050 <strlen@plt>
mov    -0x68(%rbp),%rdi
mov    %eax,%ecx
mov    -0x60(%rbp),%eax
add    %ecx,%eax
add    $0x4,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edx
xor    %esi,%esi
call   1060 <memset@plt>
mov    -0x38(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x38(%rbp),%rdi
lea    0xbac(%rip),%rsi
call   10a0 <strcat@plt>
mov    -0x38(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   10a0 <strcat@plt>
mov    -0x18(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x10(%rbp),%rdi
call   1040 <freename@plt>
mov    -0x38(%rbp),%rax
mov    %rax,-0x8(%rbp)
jmp    1496 <expression+0x316>
jmp    1193 <expression+0x13>
mov    -0x10(%rbp),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<expression>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
xor    %eax,%eax
call   1030 <termp@plt>
mov    %rax,%r14
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    $0x7,%edi
call   1090 <match@plt>
test   %rax,%rax
jne    11e0 <expression+0x60>
mov    $0x8,%edi
call   1090 <match@plt>
test   %rax,%rax
jne    11e0 <expression+0x60>
mov    $0xb,%edi
call   1090 <match@plt>
test   %rax,%rax
je     1377 <expression+0x1f7>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    $0x7,%edi
call   1090 <match@plt>
test   %rax,%rax
jne    1281 <expression+0x101>
mov    $0x8,%edi
call   1090 <match@plt>
test   %rax,%rax
jne    12ea <expression+0x16a>
mov    $0xb,%edi
call   1090 <match@plt>
test   %rax,%rax
je     11a0 <expression+0x20>
xor    %eax,%eax
call   1070 <advance@plt>
xor    %eax,%eax
call   1030 <termp@plt>
mov    %rax,%r15
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%ebx
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%rbx,%rax,1),%edi
add    $0x4,%edi
call   1080 <malloc@plt>
mov    %rax,%rbx
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%r12d
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%r12,%rax,1),%edx
add    $0x4,%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1060 <memset@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   10a0 <strcat@plt>
lea    0xd88(%rip),%rsi
jmp    1351 <expression+0x1d1>
xor    %eax,%eax
call   1070 <advance@plt>
xor    %eax,%eax
call   1030 <termp@plt>
mov    %rax,%r15
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%ebx
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%rbx,%rax,1),%edi
add    $0x4,%edi
call   1080 <malloc@plt>
mov    %rax,%rbx
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%r12d
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%r12,%rax,1),%edx
add    $0x4,%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1060 <memset@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   10a0 <strcat@plt>
lea    0xd18(%rip),%rsi
jmp    1351 <expression+0x1d1>
xor    %eax,%eax
call   1070 <advance@plt>
xor    %eax,%eax
call   1030 <termp@plt>
mov    %rax,%r15
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%ebx
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%rbx,%rax,1),%edi
add    $0x4,%edi
call   1080 <malloc@plt>
mov    %rax,%rbx
mov    %r14,%rdi
call   1050 <strlen@plt>
mov    %eax,%r12d
mov    %r15,%rdi
call   1050 <strlen@plt>
lea    (%r12,%rax,1),%edx
add    $0x4,%edx
mov    %rbx,%rdi
xor    %esi,%esi
call   1060 <memset@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   10a0 <strcat@plt>
lea    0xcb1(%rip),%rsi
mov    %rbx,%rdi
call   10a0 <strcat@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   10a0 <strcat@plt>
mov    %r15,%rdi
call   1040 <freename@plt>
mov    %r14,%rdi
call   1040 <freename@plt>
mov    %rbx,%r14
mov    %r14,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"<\00"
@.str.1 = [2 x i8] c">\00"
@.str.2 = [3 x i8] c"==\00"
define i8* @expression() {
%1 = alloca i8*
%2 = alloca i8*
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i8*
%7 = alloca i8*
%8 = call i8* (...) @termp()
store i8* %8, i8** %2
br label %9
9: ; preds = %143, %0
%10 = call i64 @match(i32 7)
%11 = icmp ne i64 %10, 0
br i1 %11, label %18, label %12
12: ; preds = %9
%13 = call i64 @match(i32 8)
%14 = icmp ne i64 %13, 0
br i1 %14, label %18, label %15
15: ; preds = %12
%16 = call i64 @match(i32 11)
%17 = icmp ne i64 %16, 0
br label %18
18: ; preds = %15, %12, %9
%19 = phi i1 [ true, %12 ], [ true, %9 ], [ %17, %15 ]
br i1 %19, label %20, label %144
20: ; preds = %18
br label %21
21: ; preds = %20
%22 = call i64 @match(i32 7)
%23 = icmp ne i64 %22, 0
br i1 %23, label %24, label %61
24: ; preds = %21
%25 = call i32 (...) @advance()
%26 = call i8* (...) @termp()
store i8* %26, i8** %3
%27 = load i8*, i8** %2
%28 = call i32 @strlen(i8* %27)
%29 = load i8*, i8** %3
%30 = call i32 @strlen(i8* %29)
%31 = add nsw i32 %28, %30
%32 = add nsw i32 %31, 4
%33 = sext i32 %32 to i64
%34 = mul i64 1, %33
%35 = trunc i64 %34 to i32
%36 = call i8* @malloc(i32 %35)
store i8* %36, i8** %5
%37 = load i8*, i8** %5
%38 = load i8*, i8** %2
%39 = call i32 @strlen(i8* %38)
%40 = load i8*, i8** %3
%41 = call i32 @strlen(i8* %40)
%42 = add nsw i32 %39, %41
%43 = add nsw i32 %42, 4
%44 = sext i32 %43 to i64
%45 = mul i64 1, %44
%46 = trunc i64 %45 to i32
%47 = call i32 @memset(i8* %37, i8 signext 0, i32 %46)
%48 = load i8*, i8** %5
%49 = load i8*, i8** %2
%50 = call i32 @strcat(i8* %48, i8* %49)
%51 = load i8*, i8** %5
%52 = call i32 @strcat(i8* %51, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%53 = load i8*, i8** %5
%54 = load i8*, i8** %3
%55 = call i32 @strcat(i8* %53, i8* %54)
%56 = load i8*, i8** %3
%57 = call i32 @freename(i8* %56)
%58 = load i8*, i8** %2
%59 = call i32 @freename(i8* %58)
%60 = load i8*, i8** %5
store i8* %60, i8** %1
br label %146
61: ; preds = %21
br label %62
62: ; preds = %61
%63 = call i64 @match(i32 8)
%64 = icmp ne i64 %63, 0
br i1 %64, label %65, label %102
65: ; preds = %62
%66 = call i32 (...) @advance()
%67 = call i8* (...) @termp()
store i8* %67, i8** %3
%68 = load i8*, i8** %2
%69 = call i32 @strlen(i8* %68)
%70 = load i8*, i8** %3
%71 = call i32 @strlen(i8* %70)
%72 = add nsw i32 %69, %71
%73 = add nsw i32 %72, 4
%74 = sext i32 %73 to i64
%75 = mul i64 1, %74
%76 = trunc i64 %75 to i32
%77 = call i8* @malloc(i32 %76)
store i8* %77, i8** %6
%78 = load i8*, i8** %6
%79 = load i8*, i8** %2
%80 = call i32 @strlen(i8* %79)
%81 = load i8*, i8** %3
%82 = call i32 @strlen(i8* %81)
%83 = add nsw i32 %80, %82
%84 = add nsw i32 %83, 4
%85 = sext i32 %84 to i64
%86 = mul i64 1, %85
%87 = trunc i64 %86 to i32
%88 = call i32 @memset(i8* %78, i8 signext 0, i32 %87)
%89 = load i8*, i8** %6
%90 = load i8*, i8** %2
%91 = call i32 @strcat(i8* %89, i8* %90)
%92 = load i8*, i8** %6
%93 = call i32 @strcat(i8* %92, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%94 = load i8*, i8** %6
%95 = load i8*, i8** %3
%96 = call i32 @strcat(i8* %94, i8* %95)
%97 = load i8*, i8** %3
%98 = call i32 @freename(i8* %97)
%99 = load i8*, i8** %2
%100 = call i32 @freename(i8* %99)
%101 = load i8*, i8** %6
store i8* %101, i8** %1
br label %146
102: ; preds = %62
br label %103
103: ; preds = %102
%104 = call i64 @match(i32 11)
%105 = icmp ne i64 %104, 0
br i1 %105, label %106, label %143
106: ; preds = %103
%107 = call i32 (...) @advance()
%108 = call i8* (...) @termp()
store i8* %108, i8** %3
%109 = load i8*, i8** %2
%110 = call i32 @strlen(i8* %109)
%111 = load i8*, i8** %3
%112 = call i32 @strlen(i8* %111)
%113 = add nsw i32 %110, %112
%114 = add nsw i32 %113, 4
%115 = sext i32 %114 to i64
%116 = mul i64 1, %115
%117 = trunc i64 %116 to i32
%118 = call i8* @malloc(i32 %117)
store i8* %118, i8** %7
%119 = load i8*, i8** %7
%120 = load i8*, i8** %2
%121 = call i32 @strlen(i8* %120)
%122 = load i8*, i8** %3
%123 = call i32 @strlen(i8* %122)
%124 = add nsw i32 %121, %123
%125 = add nsw i32 %124, 4
%126 = sext i32 %125 to i64
%127 = mul i64 1, %126
%128 = trunc i64 %127 to i32
%129 = call i32 @memset(i8* %119, i8 signext 0, i32 %128)
%130 = load i8*, i8** %7
%131 = load i8*, i8** %2
%132 = call i32 @strcat(i8* %130, i8* %131)
%133 = load i8*, i8** %7
%134 = call i32 @strcat(i8* %133, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%135 = load i8*, i8** %7
%136 = load i8*, i8** %3
%137 = call i32 @strcat(i8* %135, i8* %136)
%138 = load i8*, i8** %3
%139 = call i32 @freename(i8* %138)
%140 = load i8*, i8** %2
%141 = call i32 @freename(i8* %140)
%142 = load i8*, i8** %7
store i8* %142, i8** %1
br label %146
143: ; preds = %103
br label %9
144: ; preds = %18
%145 = load i8*, i8** %2
store i8* %145, i8** %1
br label %146
146: ; preds = %144, %106, %65, %24
%147 = load i8*, i8** %1
ret i8* %147
}

LLVM IR (-O2):
@.str = [2 x i8] c"<\00"
@.str.1 = [2 x i8] c">\00"
@.str.2 = [3 x i8] c"==\00"
define i8* @expression() {
%1 = tail call i8* (...) @termp()
br label %2
2: ; preds = %49, %0
%3 = tail call i64 @match(i32 7)
%4 = icmp eq i64 %3, 0
br i1 %4, label %5, label %11
5: ; preds = %2
%6 = tail call i64 @match(i32 8)
%7 = icmp eq i64 %6, 0
br i1 %7, label %8, label %11
8: ; preds = %5
%9 = tail call i64 @match(i32 11)
%10 = icmp eq i64 %9, 0
br i1 %10, label %73, label %11
11: ; preds = %2, %5, %8
%12 = tail call i64 @match(i32 7)
%13 = icmp eq i64 %12, 0
br i1 %13, label %30, label %14
14: ; preds = %11
%15 = tail call i32 (...) @advance()
%16 = tail call i8* (...) @termp()
%17 = tail call i32 @strlen(i8* %1)
%18 = tail call i32 @strlen(i8* %16)
%19 = add i32 %17, 4
%20 = add i32 %19, %18
%21 = tail call i8* @malloc(i32 %20)
%22 = tail call i32 @strlen(i8* %1)
%23 = tail call i32 @strlen(i8* %16)
%24 = add i32 %22, 4
%25 = add i32 %24, %23
%26 = tail call i32 @memset(i8* %21, i8 signext 0, i32 %25)
%27 = tail call i32 @strcat(i8* %21, i8* %1)
%28 = tail call i32 @strcat(i8* %21, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%29 = tail call i32 @strcat(i8* %21, i8* %16)
br label %68
30: ; preds = %11
%31 = tail call i64 @match(i32 8)
%32 = icmp eq i64 %31, 0
br i1 %32, label %49, label %33
33: ; preds = %30
%34 = tail call i32 (...) @advance()
%35 = tail call i8* (...) @termp()
%36 = tail call i32 @strlen(i8* %1)
%37 = tail call i32 @strlen(i8* %35)
%38 = add i32 %36, 4
%39 = add i32 %38, %37
%40 = tail call i8* @malloc(i32 %39)
%41 = tail call i32 @strlen(i8* %1)
%42 = tail call i32 @strlen(i8* %35)
%43 = add i32 %41, 4
%44 = add i32 %43, %42
%45 = tail call i32 @memset(i8* %40, i8 signext 0, i32 %44)
%46 = tail call i32 @strcat(i8* %40, i8* %1)
%47 = tail call i32 @strcat(i8* %40, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%48 = tail call i32 @strcat(i8* %40, i8* %35)
br label %68
49: ; preds = %30
%50 = tail call i64 @match(i32 11)
%51 = icmp eq i64 %50, 0
br i1 %51, label %2, label %52
52: ; preds = %49
%53 = tail call i32 (...) @advance()
%54 = tail call i8* (...) @termp()
%55 = tail call i32 @strlen(i8* %1)
%56 = tail call i32 @strlen(i8* %54)
%57 = add i32 %55, 4
%58 = add i32 %57, %56
%59 = tail call i8* @malloc(i32 %58)
%60 = tail call i32 @strlen(i8* %1)
%61 = tail call i32 @strlen(i8* %54)
%62 = add i32 %60, 4
%63 = add i32 %62, %61
%64 = tail call i32 @memset(i8* %59, i8 signext 0, i32 %63)
%65 = tail call i32 @strcat(i8* %59, i8* %1)
%66 = tail call i32 @strcat(i8* %59, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%67 = tail call i32 @strcat(i8* %59, i8* %54)
br label %68
68: ; preds = %14, %33, %52
%69 = phi i8* [ %54, %52 ], [ %35, %33 ], [ %16, %14 ]
%70 = phi i8* [ %59, %52 ], [ %40, %33 ], [ %21, %14 ]
%71 = tail call i32 @freename(i8* %69)
%72 = tail call i32 @freename(i8* %1)
br label %73
73: ; preds = %8, %68
%74 = phi i8* [ %70, %68 ], [ %1, %8 ]
ret i8* %74
}