#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*/ sprintf(char *, char *, int);
char *basic_type_string(int v) {
  static char str[10];
  switch (v) {
  case 1:
    return "Portable controller";
  case 2:
    return "Static controller";
  case 3:
    return "Slave";
  case 4:
    return "Routing slave";
  default:
    sprintf(str, "%02x", v);
    return str;
  }
}


x86 assembly (clang, -O0):
<basic_type_string>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x3,%eax
ja     1184 <basic_type_string+0x74>
mov    -0x18(%rbp),%rax
lea    0xec5(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xec5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a5 <basic_type_string+0x95>
lea    0xec9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a5 <basic_type_string+0x95>
lea    0xecb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a5 <basic_type_string+0x95>
lea    0xec1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11a5 <basic_type_string+0x95>
mov    -0xc(%rbp),%edx
lea    0x2e9b(%rip),%rdi
lea    0xeb5(%rip),%rsi
call   1030 <sprintf@plt>
lea    0x2e88(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<basic_type_string>:
push   %rbx
mov    %edi,%edx
lea    -0x1(%rdx),%eax
cmp    $0x4,%eax
jae    112d <basic_type_string+0x1d>
cltq
lea    0xf1c(%rip),%rcx
movslq (%rcx,%rax,4),%rbx
add    %rcx,%rbx
jmp    1143 <basic_type_string+0x33>
lea    0x2ef5(%rip),%rbx
lea    0xeff(%rip),%rsi
mov    %rbx,%rdi
call   1030 <sprintf@plt>
mov    %rbx,%rax
pop    %rbx
ret

LLVM IR (-O0):
@basic_type_string.str = internal global [10 x i8] zeroinitializer
@.str = [20 x i8] c"Portable controller\00"
@.str.1 = [18 x i8] c"Static controller\00"
@.str.2 = [6 x i8] c"Slave\00"
@.str.3 = [14 x i8] c"Routing slave\00"
@.str.4 = [5 x i8] c"%02x\00"
define i8* @basic_type_string(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %9 [
i32 1, label %5
i32 2, label %6
i32 3, label %7
i32 4, label %8
]
5: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8** %2
br label %12
6: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %12
7: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %12
8: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %12
9: ; preds = %1
%10 = load i32, i32* %3
%11 = call i32 @sprintf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @basic_type_string.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i32 %10)
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @basic_type_string.str, i64 0, i64 0), i8** %2
br label %12
12: ; preds = %9, %8, %7, %6, %5
%13 = load i8*, i8** %2
ret i8* %13
}

LLVM IR (-O2):
@basic_type_string.str = internal global [10 x i8] zeroinitializer
@.str = [20 x i8] c"Portable controller\00"
@.str.1 = [18 x i8] c"Static controller\00"
@.str.2 = [6 x i8] c"Slave\00"
@.str.3 = [14 x i8] c"Routing slave\00"
@.str.4 = [5 x i8] c"%02x\00"
@reltable.basic_type_string = [4 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([20 x i8]* @.str to i64), i64 ptrtoint ([4 x i32]* @reltable.basic_type_string to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([18 x i8]* @.str.1 to i64), i64 ptrtoint ([4 x i32]* @reltable.basic_type_string to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.2 to i64), i64 ptrtoint ([4 x i32]* @reltable.basic_type_string to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.3 to i64), i64 ptrtoint ([4 x i32]* @reltable.basic_type_string to i64)) to i32)]
define i8* @basic_type_string(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 4
br i1 %3, label %6, label %4
4: ; preds = %1
%5 = tail call i32 @sprintf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @basic_type_string.str, i64 0, i64 0), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i32 %0)
br label %10
6: ; preds = %1
%7 = sext i32 %2 to i64
%8 = shl i64 %7, 2
%9 = call i8* @llvm.load.relative.i64(i8* bitcast ([4 x i32]* @reltable.basic_type_string to i8*), i64 %8)
br label %10
10: ; preds = %6, %4
%11 = phi i8* [ getelementptr inbounds ([10 x i8], [10 x i8]* @basic_type_string.str, i64 0, i64 0), %4 ], [ %9, %6 ]
ret i8* %11
}