#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 EXIT_SUCCESS;
int /*<<< orphan*/ free(char *);
int /*<<< orphan*/ printf(char *, char *, char *);
char *stringCompression(char *);
int main(int argc, char *argv[]) {
  if (argc > 1) {
    for (int i = 1; i < argc; i++) {
      char *output = stringCompression(argv[i]);
      printf("%s -> %s\n", argv[i], output);
      free(output);
    }
  }
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x1,-0x8(%rbp)
jle    11b0 <main+0x80>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11ab <main+0x7b>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1050 <stringCompression@plt>
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
mov    -0x20(%rbp),%rdx
lea    0xe71(%rip),%rdi
call   1040 <printf@plt>
mov    -0x20(%rbp),%rdi
call   1030 <free@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1157 <main+0x27>
jmp    11b0 <main+0x80>
mov    0x2e29(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
cmp    $0x2,%edi
jl     117c <main+0x4c>
mov    %rsi,%r15
mov    %edi,%r12d
mov    $0x1,%ebx
lea    0xeb0(%rip),%r14
mov    (%r15,%rbx,8),%rdi
call   1050 <stringCompression@plt>
mov    %rax,%r13
mov    (%r15,%rbx,8),%rsi
mov    %r14,%rdi
mov    %rax,%rdx
call   1040 <printf@plt>
mov    %r13,%rdi
call   1030 <free@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1150 <main+0x20>
mov    0x2e5d(%rip),%rax
mov    (%rax),%eax
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [10 x i8] c"%s -> %s\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp sgt i32 %8, 1
br i1 %9, label %10, label %35
10: ; preds = %2
store i32 1, i32* %6
br label %11
11: ; preds = %31, %10
%12 = load i32, i32* %6
%13 = load i32, i32* %4
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %34
15: ; preds = %11
%16 = load i8**, i8*** %5
%17 = load i32, i32* %6
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i8*, i8** %16, i64 %18
%20 = load i8*, i8** %19
%21 = call i8* @stringCompression(i8* %20)
store i8* %21, i8** %7
%22 = load i8**, i8*** %5
%23 = load i32, i32* %6
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds i8*, i8** %22, i64 %24
%26 = load i8*, i8** %25
%27 = load i8*, i8** %7
%28 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8* %26, i8* %27)
%29 = load i8*, i8** %7
%30 = call i32 @free(i8* %29)
br label %31
31: ; preds = %15
%32 = load i32, i32* %6
%33 = add nsw i32 %32, 1
store i32 %33, i32* %6
br label %11
34: ; preds = %11
br label %35
35: ; preds = %34, %2
%36 = load i32, i32* @EXIT_SUCCESS
ret i32 %36
}

LLVM IR (-O2):
@.str = [10 x i8] c"%s -> %s\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp sgt i32 %0, 1
br i1 %3, label %4, label %16
4: ; preds = %2
%5 = zext i32 %0 to i64
br label %6
6: ; preds = %4, %6
%7 = phi i64 [ 1, %4 ], [ %14, %6 ]
%8 = getelementptr inbounds i8*, i8** %1, i64 %7
%9 = load i8*, i8** %8
%10 = tail call i8* @stringCompression(i8* %9)
%11 = load i8*, i8** %8
%12 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8* %11, i8* %10)
%13 = tail call i32 @free(i8* %10)
%14 = add nuw nsw i64 %7, 1
%15 = icmp eq i64 %14, %5
br i1 %15, label %16, label %6
16: ; preds = %6, %2
%17 = load i32, i32* @EXIT_SUCCESS
ret i32 %17
}