#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 */
char *convertToNumbers(char *);
int /*<<< orphan*/ printf(char *, char *, char *);
int main() {
  char *a = "aabbccddeeffffffzzz";
  char *b = "zAAAZZZZ";
  printf("%s yields: %s\n", a, convertToNumbers(a));
  printf("%s yields: %s\n", b, convertToNumbers(b));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
lea    0xed1(%rip),%rax
mov    %rax,-0x8(%rbp)
lea    0xeda(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <convertToNumbers@plt>
mov    -0x20(%rbp),%rsi
mov    %rax,%rdx
lea    0xec0(%rip),%rdi
call   1040 <printf@plt>
mov    -0x10(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1030 <convertToNumbers@plt>
mov    -0x18(%rbp),%rsi
mov    %rax,%rdx
lea    0xe9c(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xed5(%rip),%rbx
mov    %rbx,%rdi
call   1030 <convertToNumbers@plt>
lea    0xee3(%rip),%r14
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %rax,%rdx
call   1040 <printf@plt>
lea    0xec5(%rip),%rbx
mov    %rbx,%rdi
call   1030 <convertToNumbers@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    %rax,%rdx
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [20 x i8] c"aabbccddeeffffffzzz\00"
@.str.1 = [9 x i8] c"zAAAZZZZ\00"
@.str.2 = [15 x i8] c"%s yields: %s\0A\00"
define i32 @main() {
%1 = alloca i8*
%2 = alloca i8*
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8** %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8** %2
%3 = load i8*, i8** %1
%4 = load i8*, i8** %1
%5 = call i8* @convertToNumbers(i8* %4)
%6 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* %3, i8* %5)
%7 = load i8*, i8** %2
%8 = load i8*, i8** %2
%9 = call i8* @convertToNumbers(i8* %8)
%10 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* %7, i8* %9)
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"aabbccddeeffffffzzz\00"
@.str.1 = [9 x i8] c"zAAAZZZZ\00"
@.str.2 = [15 x i8] c"%s yields: %s\0A\00"
define i32 @main() {
%1 = tail call i8* @convertToNumbers(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8* %1)
%3 = tail call i8* @convertToNumbers(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8* %3)
ret i32 0
}