#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 isMatch(char *, char *);
int /*<<< orphan*/ printf(char *, int);
int main() {
  printf("ret: %d\n", isMatch("aa", "a"));
  printf("ret: %d\n", isMatch("aa", "aa"));
  printf("ret: %d\n", isMatch("aaa", "aa"));
  printf("ret: %d\n", isMatch("aa", "a*"));
  printf("ret: %d\n", isMatch("aa", ".*"));
  printf("ret: %d\n", isMatch("ab", ".*"));
  printf("ret: %d\n", isMatch("aab", "c*a*b"));
  printf("ret: %d\n", isMatch("a", "ab*"));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed4(%rip),%rdi
lea    0xece(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xeb5(%rip),%rdi
call   1040 <printf@plt>
lea    0xeb3(%rip),%rsi
mov    %rsi,%rdi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xe98(%rip),%rdi
call   1040 <printf@plt>
lea    0xe95(%rip),%rdi
lea    0xe8f(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xe77(%rip),%rdi
call   1040 <printf@plt>
lea    0xe75(%rip),%rdi
lea    0xe71(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xe56(%rip),%rdi
call   1040 <printf@plt>
lea    0xe54(%rip),%rdi
lea    0xe53(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xe35(%rip),%rdi
call   1040 <printf@plt>
lea    0xe3d(%rip),%rdi
lea    0xe32(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xe14(%rip),%rdi
call   1040 <printf@plt>
lea    0xe1b(%rip),%rdi
lea    0xe18(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xdf3(%rip),%rdi
call   1040 <printf@plt>
lea    0xdf2(%rip),%rdi
lea    0xdfd(%rip),%rsi
call   1030 <isMatch@plt>
mov    %eax,%esi
lea    0xdd2(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xedb(%rip),%rbx
lea    0xed5(%rip),%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1030 <isMatch@plt>
lea    0xeb8(%rip),%r15
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %rbx,%rsi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe9b(%rip),%rdi
mov    %rbx,%rsi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe86(%rip),%rsi
mov    %rbx,%rdi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe70(%rip),%r12
mov    %rbx,%rdi
mov    %r12,%rsi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe58(%rip),%rdi
mov    %r12,%rsi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe3e(%rip),%rdi
lea    0xe3b(%rip),%rsi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xe2b(%rip),%rsi
mov    %r14,%rdi
call   1030 <isMatch@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [9 x i8] c"ret: %d\0A\00"
@.str.1 = [3 x i8] c"aa\00"
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [4 x i8] c"aaa\00"
@.str.4 = [3 x i8] c"a*\00"
@.str.5 = [3 x i8] c".*\00"
@.str.6 = [3 x i8] c"ab\00"
@.str.7 = [4 x i8] c"aab\00"
@.str.8 = [6 x i8] c"c*a*b\00"
@.str.9 = [4 x i8] c"ab*\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = call i32 @isMatch(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %8)
%10 = call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = call i32 @isMatch(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
%15 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = call i32 @isMatch(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0))
%17 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %16)
ret i32 0
}

LLVM IR (-O2):
@.str = [9 x i8] c"ret: %d\0A\00"
@.str.1 = [3 x i8] c"aa\00"
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [4 x i8] c"aaa\00"
@.str.4 = [3 x i8] c"a*\00"
@.str.5 = [3 x i8] c".*\00"
@.str.6 = [3 x i8] c"ab\00"
@.str.7 = [4 x i8] c"aab\00"
@.str.8 = [6 x i8] c"c*a*b\00"
@.str.9 = [4 x i8] c"ab*\00"
define i32 @main() {
%1 = tail call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @isMatch(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%8 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%10 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = tail call i32 @isMatch(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%12 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = tail call i32 @isMatch(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
%14 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = tail call i32 @isMatch(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0))
%16 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %15)
ret i32 0
}