#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 *);
void printErrorExplanation(int result) {
  switch (result) {
  case -3000:
    printf("Routing table not found\n");
    break;
  case -3001:
    printf("Input file not found\n");
    break;
  case -3002:
    printf("Bad routing table structure\n");
    break;
  case -3004:
    printf("Bad input file structure\n");
    break;
  case -3005:
    printf("Parse error\n");
    break;
  case -3006:
    printf("Cannot create output file\n");
    break;
  case -3007:
    printf("Cannot allocate memory for the system\n");
    break;
  case -3008:
    printf("Address couldn't be resolved\n");
    break;
  default:
    printf("Unknown error\n");
  }
}


x86 assembly (clang, -O0):
<printErrorExplanation>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0xbc0,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x8,%eax
ja     11ce <printErrorExplanation+0xbe>
mov    -0x10(%rbp),%rax
lea    0xec3(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xed7(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xedf(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xee4(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xef0(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xef9(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xef5(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xeff(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <printErrorExplanation+0xca>
lea    0xf22(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printErrorExplanation>:
add    $0xbc0,%edi
cmp    $0x8,%edi
ja     1131 <printErrorExplanation+0x21>
movslq %edi,%rax
lea    0xfb7(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
jmp    1030 <puts@plt>
lea    0xf93(%rip),%rdi
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [25 x i8] c"Routing table not found\0A\00"
@.str.1 = [22 x i8] c"Input file not found\0A\00"
@.str.2 = [29 x i8] c"Bad routing table structure\0A\00"
@.str.3 = [26 x i8] c"Bad input file structure\0A\00"
@.str.4 = [13 x i8] c"Parse error\0A\00"
@.str.5 = [27 x i8] c"Cannot create output file\0A\00"
@.str.6 = [39 x i8] c"Cannot allocate memory for the system\0A\00"
@.str.7 = [30 x i8] c"Address couldn't be resolved\0A\00"
@.str.8 = [15 x i8] c"Unknown error\0A\00"
define void @printErrorExplanation(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = load i32, i32* %2
switch i32 %3, label %20 [
i32 -3000, label %4
i32 -3001, label %6
i32 -3002, label %8
i32 -3004, label %10
i32 -3005, label %12
i32 -3006, label %14
i32 -3007, label %16
i32 -3008, label %18
]
4: ; preds = %1
%5 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
br label %22
6: ; preds = %1
%7 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0))
br label %22
8: ; preds = %1
%9 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0))
br label %22
10: ; preds = %1
%11 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0))
br label %22
12: ; preds = %1
%13 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0))
br label %22
14: ; preds = %1
%15 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0))
br label %22
16: ; preds = %1
%17 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.6, i64 0, i64 0))
br label %22
18: ; preds = %1
%19 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.7, i64 0, i64 0))
br label %22
20: ; preds = %1
%21 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.8, i64 0, i64 0))
br label %22
22: ; preds = %20, %18, %16, %14, %12, %10, %8, %6, %4
ret void
}

LLVM IR (-O2):
@str = [29 x i8] c"Address couldn't be resolved\00"
@str.9 = [38 x i8] c"Cannot allocate memory for the system\00"
@str.10 = [26 x i8] c"Cannot create output file\00"
@str.11 = [12 x i8] c"Parse error\00"
@str.12 = [25 x i8] c"Bad input file structure\00"
@str.13 = [28 x i8] c"Bad routing table structure\00"
@str.14 = [21 x i8] c"Input file not found\00"
@str.15 = [24 x i8] c"Routing table not found\00"
@str.16 = [14 x i8] c"Unknown error\00"
@reltable.printErrorExplanation = [9 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([29 x i8]* @str to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([38 x i8]* @str.9 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([26 x i8]* @str.10 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @str.11 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @str.12 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @str.16 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([28 x i8]* @str.13 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @str.14 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([24 x i8]* @str.15 to i64), i64 ptrtoint ([9 x i32]* @reltable.printErrorExplanation to i64)) to i32)]
define void @printErrorExplanation(i32 %0) {
%2 = add i32 %0, 3008
%3 = icmp ult i32 %2, 9
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = shl i64 %5, 2
%7 = call i8* @llvm.load.relative.i64(i8* bitcast ([9 x i32]* @reltable.printErrorExplanation to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([14 x i8], [14 x i8]* @str.16, i64 0, i64 0), %1 ]
%10 = tail call i32 @puts(i8* dereferenceable(1) %9)
ret void
}