#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 detect();
int /*<<< orphan*/ printf(char *);
void get_cpuconfig(void) {
  int d = detect();
  switch (d) {
  case 1:
    printf("#define ARMV8\n");
    printf("#define L1_DATA_SIZE 32768\n");
    printf("#define L1_DATA_LINESIZE 64\n");
    printf("#define L2_SIZE 262144\n");
    printf("#define L2_LINESIZE 64\n");
    printf("#define DTB_DEFAULT_ENTRIES 64\n");
    printf("#define DTB_SIZE 4096\n");
    printf("#define L2_ASSOCIATIVE 4\n");
    break;
  }
}


x86 assembly (clang, -O0):
<get_cpuconfig>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
xor    %eax,%eax
call   1040 <detect@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
sub    $0x1,%eax
jne    11a3 <get_cpuconfig+0x83>
jmp    1143 <get_cpuconfig+0x23>
lea    0xeb6(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
call   1030 <printf@plt>
lea    0xee6(%rip),%rdi
call   1030 <printf@plt>
lea    0xef2(%rip),%rdi
call   1030 <printf@plt>
lea    0xf06(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_cpuconfig>:
push   %rax
xor    %eax,%eax
call   1040 <detect@plt>
cmp    $0x1,%eax
jne    118e <get_cpuconfig+0x6e>
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
lea    0xece(%rip),%rdi
call   1030 <puts@plt>
lea    0xedd(%rip),%rdi
call   1030 <puts@plt>
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xef8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf03(%rip),%rdi
call   1030 <puts@plt>
lea    0xf16(%rip),%rdi
call   1030 <puts@plt>
lea    0xf20(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>
pop    %rax
ret

LLVM IR (-O0):
@.str = [15 x i8] c"#define ARMV8\0A\00"
@.str.1 = [28 x i8] c"#define L1_DATA_SIZE 32768\0A\00"
@.str.2 = [29 x i8] c"#define L1_DATA_LINESIZE 64\0A\00"
@.str.3 = [24 x i8] c"#define L2_SIZE 262144\0A\00"
@.str.4 = [24 x i8] c"#define L2_LINESIZE 64\0A\00"
@.str.5 = [32 x i8] c"#define DTB_DEFAULT_ENTRIES 64\0A\00"
@.str.6 = [23 x i8] c"#define DTB_SIZE 4096\0A\00"
@.str.7 = [26 x i8] c"#define L2_ASSOCIATIVE 4\0A\00"
define void @get_cpuconfig() {
%1 = alloca i32
%2 = call i32 (...) @detect()
store i32 %2, i32* %1
%3 = load i32, i32* %1
switch i32 %3, label %13 [
i32 1, label %4
]
4: ; preds = %0
%5 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.5, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.6, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.7, i64 0, i64 0))
br label %13
13: ; preds = %0, %4
ret void
}

LLVM IR (-O2):
@str = [14 x i8] c"#define ARMV8\00"
@str.8 = [27 x i8] c"#define L1_DATA_SIZE 32768\00"
@str.9 = [28 x i8] c"#define L1_DATA_LINESIZE 64\00"
@str.10 = [23 x i8] c"#define L2_SIZE 262144\00"
@str.11 = [23 x i8] c"#define L2_LINESIZE 64\00"
@str.12 = [31 x i8] c"#define DTB_DEFAULT_ENTRIES 64\00"
@str.13 = [22 x i8] c"#define DTB_SIZE 4096\00"
@str.14 = [25 x i8] c"#define L2_ASSOCIATIVE 4\00"
define void @get_cpuconfig() {
%1 = tail call i32 (...) @detect()
%2 = icmp eq i32 %1, 1
br i1 %2, label %3, label %12
3: ; preds = %0
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.11, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.12, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.13, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.14, i64 0, i64 0))
br label %12
12: ; preds = %0, %3
ret void
}