#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*/ WavReader(char *);
int /*<<< orphan*/ WavWriter(char *);
int /*<<< orphan*/ printf(char *);
int main(int argn, char *argv[]) {
  printf("starting....\r\n");
  if (argn != 3) {
    printf("please input 2 parameters\r\n");
    return -1;
  }
  WavReader(argv[1]);
  WavWriter(argv[2]);
  printf("end....\r\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
call   1040 <printf@plt>
cmpl   $0x3,-0x8(%rbp)
je     1174 <main+0x44>
lea    0xeac(%rip),%rdi
call   1040 <printf@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11a1 <main+0x71>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <WavReader@plt>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   1050 <WavWriter@plt>
lea    0xe96(%rip),%rdi
call   1040 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %edi,%ebp
lea    0xec1(%rip),%rdi
call   1030 <puts@plt>
cmp    $0x3,%ebp
jne    1166 <main+0x36>
mov    0x8(%rbx),%rdi
call   1040 <WavReader@plt>
mov    0x10(%rbx),%rdi
call   1050 <WavWriter@plt>
xor    %ebx,%ebx
lea    0xeaa(%rip),%rdi
jmp    1172 <main+0x42>
mov    $0xffffffff,%ebx
lea    0xea5(%rip),%rdi
call   1030 <puts@plt>
mov    %ebx,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [15 x i8] c"starting....\0D\0A\00"
@.str.1 = [28 x i8] c"please input 2 parameters\0D\0A\00"
@.str.2 = [10 x i8] c"end....\0D\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
%7 = load i32, i32* %4
%8 = icmp ne i32 %7, 3
br i1 %8, label %9, label %11
9: ; preds = %2
%10 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
store i32 -1, i32* %3
br label %21
11: ; preds = %2
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 1
%14 = load i8*, i8** %13
%15 = call i32 @WavReader(i8* %14)
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 2
%18 = load i8*, i8** %17
%19 = call i32 @WavWriter(i8* %18)
%20 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %3
br label %21
21: ; preds = %11, %9
%22 = load i32, i32* %3
ret i32 %22
}

LLVM IR (-O2):
@str = [14 x i8] c"starting....\0D\00"
@str.3 = [9 x i8] c"end....\0D\00"
@str.4 = [27 x i8] c"please input 2 parameters\0D\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
%4 = icmp eq i32 %0, 3
br i1 %4, label %5, label %12
5: ; preds = %2
%6 = getelementptr inbounds i8*, i8** %1, i64 1
%7 = load i8*, i8** %6
%8 = tail call i32 @WavReader(i8* %7)
%9 = getelementptr inbounds i8*, i8** %1, i64 2
%10 = load i8*, i8** %9
%11 = tail call i32 @WavWriter(i8* %10)
br label %12
12: ; preds = %2, %5
%13 = phi i8* [ getelementptr inbounds ([9 x i8], [9 x i8]* @str.3, i64 0, i64 0), %5 ], [ getelementptr inbounds ([27 x i8], [27 x i8]* @str.4, i64 0, i64 0), %2 ]
%14 = phi i32 [ 0, %5 ], [ -1, %2 ]
%15 = tail call i32 @puts(i8* dereferenceable(1) %13)
ret i32 %14
}