#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*/ printf(char *, int, char, char);
void recursiveTowerOfHanoi(int numberOfDisks, char Source, char Destination,
                           char Intermediate) {
  if (numberOfDisks) {
    recursiveTowerOfHanoi((numberOfDisks - 1), Source, Destination,
                          Intermediate);
    printf("Disk %d moved from %c to %c \n", numberOfDisks, Source,
           Destination);
    recursiveTowerOfHanoi((numberOfDisks - 1), Intermediate, Destination,
                          Source);
  }
}


x86 assembly (clang, -O0):
<recursiveTowerOfHanoi>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %cl,%al
mov    %dl,%cl
mov    %sil,%dl
mov    %edi,-0x4(%rbp)
mov    %dl,-0x5(%rbp)
mov    %cl,-0x6(%rbp)
mov    %al,-0x7(%rbp)
cmpl   $0x0,-0x4(%rbp)
je     1194 <recursiveTowerOfHanoi+0x74>
mov    -0x4(%rbp),%edi
sub    $0x1,%edi
mov    -0x5(%rbp),%cl
mov    -0x6(%rbp),%al
movsbl %cl,%esi
movsbl %al,%edx
movsbl -0x7(%rbp),%ecx
call   1040 <recursiveTowerOfHanoi@plt>
mov    -0x4(%rbp),%esi
mov    -0x5(%rbp),%al
lea    0xe93(%rip),%rdi
movsbl %al,%edx
movsbl -0x6(%rbp),%ecx
call   1030 <printf@plt>
mov    -0x4(%rbp),%edi
sub    $0x1,%edi
mov    -0x7(%rbp),%cl
mov    -0x6(%rbp),%al
movsbl %cl,%esi
movsbl %al,%edx
movsbl -0x5(%rbp),%ecx
call   1040 <recursiveTowerOfHanoi@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<recursiveTowerOfHanoi>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %edi,%edi
je     1171 <recursiveTowerOfHanoi+0x51>
mov    %esi,%r12d
mov    %edi,%ebx
movsbl %dl,%r14d
lea    0xec1(%rip),%r15
nop
mov    %ecx,%r13d
movsbl %r12b,%ebp
movsbl %cl,%ecx
lea    -0x1(%rbx),%edi
mov    %ebp,%esi
mov    %r14d,%edx
call   1040 <recursiveTowerOfHanoi@plt>
mov    %r15,%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %r14d,%ecx
call   1030 <printf@plt>
mov    %r12d,%ecx
mov    %r13d,%r12d
add    $0xffffffff,%ebx
jne    1140 <recursiveTowerOfHanoi+0x20>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [30 x i8] c"Disk %d moved from %c to %c \0A\00"
define void @recursiveTowerOfHanoi(i32 %0, i8 signext %1, i8 signext %2, i8 signext %3) {
%5 = alloca i32
%6 = alloca i8
%7 = alloca i8
%8 = alloca i8
store i32 %0, i32* %5
store i8 %1, i8* %6
store i8 %2, i8* %7
store i8 %3, i8* %8
%9 = load i32, i32* %5
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %26
11: ; preds = %4
%12 = load i32, i32* %5
%13 = sub nsw i32 %12, 1
%14 = load i8, i8* %6
%15 = load i8, i8* %7
%16 = load i8, i8* %8
%17 = load i32, i32* %5
%18 = load i8, i8* %6
%19 = load i8, i8* %7
%20 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0), i32 %17, i8 signext %18, i8 signext %19)
%21 = load i32, i32* %5
%22 = sub nsw i32 %21, 1
%23 = load i8, i8* %8
%24 = load i8, i8* %7
%25 = load i8, i8* %6
br label %26
26: ; preds = %11, %4
ret void
}

LLVM IR (-O2):
@.str = [30 x i8] c"Disk %d moved from %c to %c \0A\00"
define void @recursiveTowerOfHanoi(i32 %0, i8 signext %1, i8 signext %2, i8 signext %3) {
%5 = icmp eq i32 %0, 0
br i1 %5, label %13, label %6
6: ; preds = %4, %6
%7 = phi i8 [ %8, %6 ], [ %3, %4 ]
%8 = phi i8 [ %7, %6 ], [ %1, %4 ]
%9 = phi i32 [ %10, %6 ], [ %0, %4 ]
%10 = add nsw i32 %9, -1
tail call void @recursiveTowerOfHanoi(i32 %10, i8 signext %8, i8 signext %2, i8 signext %7)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0), i32 %9, i8 signext %8, i8 signext %2)
%12 = icmp eq i32 %10, 0
br i1 %12, label %13, label %6
13: ; preds = %6, %4
ret void
}