#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 toupper(char);
int ToAmino(char c) {
  c = toupper(c);
  switch (c) {
  case 'A':
    return 0;
  case 'R':
    return 1;
  case 'N':
    return 2;
  case 'D':
    return 3;
  case 'C':
    return 4;
  case 'Q':
    return 5;
  case 'E':
    return 6;
  case 'G':
    return 7;
  case 'H':
    return 8;
  case 'I':
    return 9;
  case 'L':
    return 10;
  case 'K':
    return 11;
  case 'M':
    return 12;
  case 'F':
    return 13;
  case 'P':
    return 14;
  case 'S':
    return 15;
  case 'T':
    return 16;
  case 'W':
    return 17;
  case 'Y':
    return 18;
  case 'V':
    return 19;
  case '-':
    return 20;
  }
  return -1;
}


x86 assembly (clang, -O0):
<ToAmino>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %dil,%al
mov    %al,-0x5(%rbp)
movsbl -0x5(%rbp),%edi
call   1030 <toupper@plt>
mov    %al,-0x5(%rbp)
movsbl -0x5(%rbp),%eax
add    $0xffffffd3,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x2c,%eax
ja     1250 <ToAmino+0x140>
mov    -0x10(%rbp),%rax
lea    0xeb5(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
movl   $0x0,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x1,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x2,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x3,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x4,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x5,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x6,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x7,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x8,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x9,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xa,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xb,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xc,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xd,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xe,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xf,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x10,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x11,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x12,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x13,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0x14,-0x4(%rbp)
jmp    1257 <ToAmino+0x147>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ToAmino>:
push   %rax
call   1030 <toupper@plt>
movsbl %al,%ecx
add    $0xffffffd3,%ecx
mov    $0xffffffff,%eax
cmp    $0x2c,%ecx
ja     1133 <ToAmino+0x23>
movslq %ecx,%rax
lea    0xed0(%rip),%rcx
mov    (%rcx,%rax,4),%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @ToAmino(i8 signext %0) {
%2 = alloca i32
%3 = alloca i8
store i8 %0, i8* %3
%4 = load i8, i8* %3
%5 = call signext i8 @toupper(i8 signext %4)
store i8 %5, i8* %3
%6 = load i8, i8* %3
%7 = sext i8 %6 to i32
switch i32 %7, label %29 [
i32 65, label %8
i32 82, label %9
i32 78, label %10
i32 68, label %11
i32 67, label %12
i32 81, label %13
i32 69, label %14
i32 71, label %15
i32 72, label %16
i32 73, label %17
i32 76, label %18
i32 75, label %19
i32 77, label %20
i32 70, label %21
i32 80, label %22
i32 83, label %23
i32 84, label %24
i32 87, label %25
i32 89, label %26
i32 86, label %27
i32 45, label %28
]
8: ; preds = %1
store i32 0, i32* %2
br label %30
9: ; preds = %1
store i32 1, i32* %2
br label %30
10: ; preds = %1
store i32 2, i32* %2
br label %30
11: ; preds = %1
store i32 3, i32* %2
br label %30
12: ; preds = %1
store i32 4, i32* %2
br label %30
13: ; preds = %1
store i32 5, i32* %2
br label %30
14: ; preds = %1
store i32 6, i32* %2
br label %30
15: ; preds = %1
store i32 7, i32* %2
br label %30
16: ; preds = %1
store i32 8, i32* %2
br label %30
17: ; preds = %1
store i32 9, i32* %2
br label %30
18: ; preds = %1
store i32 10, i32* %2
br label %30
19: ; preds = %1
store i32 11, i32* %2
br label %30
20: ; preds = %1
store i32 12, i32* %2
br label %30
21: ; preds = %1
store i32 13, i32* %2
br label %30
22: ; preds = %1
store i32 14, i32* %2
br label %30
23: ; preds = %1
store i32 15, i32* %2
br label %30
24: ; preds = %1
store i32 16, i32* %2
br label %30
25: ; preds = %1
store i32 17, i32* %2
br label %30
26: ; preds = %1
store i32 18, i32* %2
br label %30
27: ; preds = %1
store i32 19, i32* %2
br label %30
28: ; preds = %1
store i32 20, i32* %2
br label %30
29: ; preds = %1
store i32 -1, i32* %2
br label %30
30: ; preds = %29, %28, %27, %26, %25, %24, %23, %22, %21, %20, %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8
%31 = load i32, i32* %2
ret i32 %31
}

LLVM IR (-O2):
@switch.table.ToAmino = [45 x i32] [i32 20, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 0, i32 -1, i32 4, i32 3, i32 6, i32 13, i32 7, i32 8, i32 9, i32 -1, i32 11, i32 10, i32 12, i32 2, i32 -1, i32 14, i32 5, i32 1, i32 15, i32 16, i32 -1, i32 19, i32 17, i32 -1, i32 18]
define i32 @ToAmino(i8 signext %0) {
%2 = tail call signext i8 @toupper(i8 signext %0)
%3 = sext i8 %2 to i32
%4 = add nsw i32 %3, -45
%5 = icmp ult i32 %4, 45
br i1 %5, label %6, label %10
6: ; preds = %1
%7 = sext i32 %4 to i64
%8 = getelementptr inbounds [45 x i32], [45 x i32]* @switch.table.ToAmino, i64 0, i64 %7
%9 = load i32, i32* %8
br label %10
10: ; preds = %1, %6
%11 = phi i32 [ %9, %6 ], [ -1, %1 ]
ret i32 %11
}