#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 *malloc(int);
int /*<<< orphan*/ printf(char *, char);
void memory_leak(void) {
  char *p_leak;
  int ndx;
  p_leak = malloc(10);
  for (ndx = 0; ndx < 10; ndx++) {
    p_leak[ndx] = 'a';
  }
  for (ndx = 0; ndx < 10; ndx++) {
    printf("%c", p_leak[ndx]);
  }
}


x86 assembly (clang, -O0):
<memory_leak>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    $0xa,%edi
call   1040 <malloc@plt>
mov    %rax,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    1161 <memory_leak+0x41>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movb   $0x61,(%rax,%rcx,1)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    113d <memory_leak+0x1d>
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    1198 <memory_leak+0x78>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
lea    0xe7f(%rip),%rdi
movsbl (%rax,%rcx,1),%esi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1168 <memory_leak+0x48>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<memory_leak>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x61,%esi
pop    %rbx
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"%c\00"
define void @memory_leak() {
%1 = alloca i8*
%2 = alloca i32
%3 = call i8* @malloc(i32 10)
store i8* %3, i8** %1
store i32 0, i32* %2
br label %4
4: ; preds = %12, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 10
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i8*, i8** %1
%9 = load i32, i32* %2
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i8, i8* %8, i64 %10
store i8 97, i8* %11
br label %12
12: ; preds = %7
%13 = load i32, i32* %2
%14 = add nsw i32 %13, 1
store i32 %14, i32* %2
br label %4
15: ; preds = %4
store i32 0, i32* %2
br label %16
16: ; preds = %26, %15
%17 = load i32, i32* %2
%18 = icmp slt i32 %17, 10
br i1 %18, label %19, label %29
19: ; preds = %16
%20 = load i8*, i8** %1
%21 = load i32, i32* %2
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i8, i8* %20, i64 %22
%24 = load i8, i8* %23
%25 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext %24)
br label %26
26: ; preds = %19
%27 = load i32, i32* %2
%28 = add nsw i32 %27, 1
store i32 %28, i32* %2
br label %16
29: ; preds = %16
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%c\00"
define void @memory_leak() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8 signext 97)
ret void
}