#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*/ shift(char const *, int);
void decrypt(const char *p) {
  for (int i = 1; i < 26; ++i)
    shift(p, i);
}


x86 assembly (clang, -O0):
<decrypt>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x1,-0xc(%rbp)
cmpl   $0x1a,-0xc(%rbp)
jge    1147 <decrypt+0x37>
mov    -0x8(%rbp),%rdi
mov    -0xc(%rbp),%esi
call   1030 <shift@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <decrypt+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<decrypt>:
push   %rbx
mov    %rdi,%rbx
mov    $0x1,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xb,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xc,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xd,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xe,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x10,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x11,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x12,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x13,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x14,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x15,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x16,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x17,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x18,%esi
call   1030 <shift@plt>
mov    %rbx,%rdi
mov    $0x19,%esi
pop    %rbx
jmp    1030 <shift@plt>

LLVM IR (-O0):
define void @decrypt(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 1, i32* %3
br label %4
4: ; preds = %11, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 26
br i1 %6, label %7, label %14
7: ; preds = %4
%8 = load i8*, i8** %2
%9 = load i32, i32* %3
%10 = call i32 @shift(i8* %8, i32 %9)
br label %11
11: ; preds = %7
%12 = load i32, i32* %3
%13 = add nsw i32 %12, 1
store i32 %13, i32* %3
br label %4
14: ; preds = %4
ret void
}

LLVM IR (-O2):
define void @decrypt(i8* %0) {
%2 = tail call i32 @shift(i8* %0, i32 1)
%3 = tail call i32 @shift(i8* %0, i32 2)
%4 = tail call i32 @shift(i8* %0, i32 3)
%5 = tail call i32 @shift(i8* %0, i32 4)
%6 = tail call i32 @shift(i8* %0, i32 5)
%7 = tail call i32 @shift(i8* %0, i32 6)
%8 = tail call i32 @shift(i8* %0, i32 7)
%9 = tail call i32 @shift(i8* %0, i32 8)
%10 = tail call i32 @shift(i8* %0, i32 9)
%11 = tail call i32 @shift(i8* %0, i32 10)
%12 = tail call i32 @shift(i8* %0, i32 11)
%13 = tail call i32 @shift(i8* %0, i32 12)
%14 = tail call i32 @shift(i8* %0, i32 13)
%15 = tail call i32 @shift(i8* %0, i32 14)
%16 = tail call i32 @shift(i8* %0, i32 15)
%17 = tail call i32 @shift(i8* %0, i32 16)
%18 = tail call i32 @shift(i8* %0, i32 17)
%19 = tail call i32 @shift(i8* %0, i32 18)
%20 = tail call i32 @shift(i8* %0, i32 19)
%21 = tail call i32 @shift(i8* %0, i32 20)
%22 = tail call i32 @shift(i8* %0, i32 21)
%23 = tail call i32 @shift(i8* %0, i32 22)
%24 = tail call i32 @shift(i8* %0, i32 23)
%25 = tail call i32 @shift(i8* %0, i32 24)
%26 = tail call i32 @shift(i8* %0, i32 25)
ret void
}