#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 */
typedef int uint8_t;

/* Variables and functions */
const char *ln_update_type_str(uint8_t type) {
  switch (type) {
  case (0):
    return "NONE";
  case (1 << 0):
    return "ADD_HTLC";
  case (1 << 1):
    return "FULFILL_HTLC";
  case (1 << 2):
    return "FAIL_HTLC";
  case (1 << 3):
    return "FAIL_MALFORMED_HTLC";
  case (1 << 4):
    return "FEE";
  default:
    return "UNKNOWN";
  }
}


x86 assembly (clang, -O0):
<ln_update_type_str>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %rax,-0x18(%rbp)
sub    $0x10,%rax
ja     118c <ln_update_type_str+0x8c>
mov    -0x18(%rbp),%rax
lea    0xedd(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf11(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xf06(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xeff(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xefc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xef6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xefa(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1197 <ln_update_type_str+0x97>
lea    0xeee(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<ln_update_type_str>:
cmp    $0x10,%edi
ja     112e <ln_update_type_str+0x2e>
lea    0xf38(%rip),%rax
mov    %edi,%ecx
lea    0xeeb(%rip),%rdx
movslq (%rdx,%rcx,4),%rcx
add    %rdx,%rcx
jmp    *%rcx
lea    0xf24(%rip),%rax
ret
lea    0xf25(%rip),%rax
ret
lea    0xf4c(%rip),%rax
ret
lea    0xf22(%rip),%rax
ret
lea    0xf24(%rip),%rax
ret
lea    0xf30(%rip),%rax
ret

LLVM IR (-O0):
@.str = [5 x i8] c"NONE\00"
@.str.1 = [9 x i8] c"ADD_HTLC\00"
@.str.2 = [13 x i8] c"FULFILL_HTLC\00"
@.str.3 = [10 x i8] c"FAIL_HTLC\00"
@.str.4 = [20 x i8] c"FAIL_MALFORMED_HTLC\00"
@.str.5 = [4 x i8] c"FEE\00"
@.str.6 = [8 x i8] c"UNKNOWN\00"
define i8* @ln_update_type_str(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %11 [
i32 0, label %5
i32 1, label %6
i32 2, label %7
i32 4, label %8
i32 8, label %9
i32 16, label %10
]
5: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8** %2
br label %12
6: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %12
7: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %12
8: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %12
9: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %12
10: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %12
11: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %12
12: ; preds = %11, %10, %9, %8, %7, %6, %5
%13 = load i8*, i8** %2
ret i8* %13
}

LLVM IR (-O2):
@.str = [5 x i8] c"NONE\00"
@.str.1 = [9 x i8] c"ADD_HTLC\00"
@.str.2 = [13 x i8] c"FULFILL_HTLC\00"
@.str.3 = [10 x i8] c"FAIL_HTLC\00"
@.str.4 = [20 x i8] c"FAIL_MALFORMED_HTLC\00"
@.str.5 = [4 x i8] c"FEE\00"
@.str.6 = [8 x i8] c"UNKNOWN\00"
define i8* @ln_update_type_str(i32 %0) {
switch i32 %0, label %7 [
i32 0, label %8
i32 1, label %2
i32 2, label %3
i32 4, label %4
i32 8, label %5
i32 16, label %6
]
2: ; preds = %1
br label %8
3: ; preds = %1
br label %8
4: ; preds = %1
br label %8
5: ; preds = %1
br label %8
6: ; preds = %1
br label %8
7: ; preds = %1
br label %8
8: ; preds = %1, %7, %6, %5, %4, %3, %2
%9 = phi i8* [ getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), %7 ], [ getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0), %6 ], [ getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i64 0, i64 0), %5 ], [ getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), %4 ], [ getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), %3 ], [ getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), %2 ], [ getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), %1 ]
ret i8* %9
}