#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 *, char *);
void error(int opt) {
  switch (opt) {
  case 0:
    printf("*** %s ***\n", "Attempt to divide by zero");
    break;
  case 1:
    printf("*** %s ***\n", "Accumulator overflow");
    break;
  case 2:
    printf("*** %s ***\n", "Memory overflow");
    break;
  }
  printf("*** %s ***\n", "Simpletron execution abnormally terminated");
}


x86 assembly (clang, -O0):
<error>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%eax
mov    %eax,-0x8(%rbp)
test   %eax,%eax
je     1150 <error+0x40>
jmp    112e <error+0x1e>
mov    -0x8(%rbp),%eax
sub    $0x1,%eax
je     1168 <error+0x58>
jmp    113f <error+0x2f>
mov    -0x8(%rbp),%eax
sub    $0x2,%eax
je     1180 <error+0x70>
jmp    1193 <error+0x83>
lea    0xea9(%rip),%rdi
lea    0xeae(%rip),%rsi
call   1030 <printf@plt>
jmp    1193 <error+0x83>
lea    0xe91(%rip),%rdi
lea    0xeb0(%rip),%rsi
call   1030 <printf@plt>
jmp    1193 <error+0x83>
lea    0xe79(%rip),%rdi
lea    0xead(%rip),%rsi
call   1030 <printf@plt>
lea    0xe66(%rip),%rdi
lea    0xeaa(%rip),%rsi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<error>:
cmp    $0x2,%edi
ja     1137 <error+0x27>
push   %rax
movslq %edi,%rax
lea    0xf58(%rip),%rcx
movslq (%rcx,%rax,4),%rsi
add    %rcx,%rsi
lea    0xed2(%rip),%rdi
call   1030 <printf@plt>
add    $0x8,%rsp
lea    0xec2(%rip),%rdi
lea    0xf06(%rip),%rsi
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [12 x i8] c"*** %s ***\0A\00"
@.str.1 = [26 x i8] c"Attempt to divide by zero\00"
@.str.2 = [21 x i8] c"Accumulator overflow\00"
@.str.3 = [16 x i8] c"Memory overflow\00"
@.str.4 = [43 x i8] c"Simpletron execution abnormally terminated\00"
define void @error(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = load i32, i32* %2
switch i32 %3, label %10 [
i32 0, label %4
i32 1, label %6
i32 2, label %8
]
4: ; preds = %1
%5 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
br label %10
6: ; preds = %1
%7 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
br label %10
8: ; preds = %1
%9 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0))
br label %10
10: ; preds = %1, %8, %6, %4
%11 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [12 x i8] c"*** %s ***\0A\00"
@.str.1 = [26 x i8] c"Attempt to divide by zero\00"
@.str.2 = [21 x i8] c"Accumulator overflow\00"
@.str.3 = [16 x i8] c"Memory overflow\00"
@.str.4 = [43 x i8] c"Simpletron execution abnormally terminated\00"
@reltable.error = [3 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([26 x i8]* @.str.1 to i64), i64 ptrtoint ([3 x i32]* @reltable.error to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @.str.2 to i64), i64 ptrtoint ([3 x i32]* @reltable.error to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([16 x i8]* @.str.3 to i64), i64 ptrtoint ([3 x i32]* @reltable.error to i64)) to i32)]
define void @error(i32 %0) {
%2 = icmp ult i32 %0, 3
br i1 %2, label %3, label %8
3: ; preds = %1
%4 = sext i32 %0 to i64
%5 = shl i64 %4, 2
%6 = call i8* @llvm.load.relative.i64(i8* bitcast ([3 x i32]* @reltable.error to i8*), i64 %5)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %8
8: ; preds = %1, %3
%9 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.4, i64 0, i64 0))
ret void
}