#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 */
scalar_t__ strcmp(char const *, char *);
const char *bootcode_path(const char *part_type) {
  if (strcmp(part_type, "PC98") == 0)
    return ("/boot/pc98boot");
  if (strcmp(part_type, "BSD") == 0)
    return ("/boot/boot");
  return (NULL);
}


x86 assembly (clang, -O0):
<bootcode_path>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1146 <bootcode_path+0x36>
lea    0xec8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1178 <bootcode_path+0x68>
mov    -0x10(%rbp),%rdi
lea    0xec3(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1170 <bootcode_path+0x60>
lea    0xeb1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1178 <bootcode_path+0x68>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<bootcode_path>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1149 <bootcode_path+0x39>
lea    0xee8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
test   %rcx,%rcx
lea    0xed5(%rip),%rcx
cmove  %rcx,%rax
pop    %rbx
ret
lea    0xeb5(%rip),%rax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"PC98\00"
@.str.1 = [15 x i8] c"/boot/pc98boot\00"
@.str.2 = [4 x i8] c"BSD\00"
@.str.3 = [11 x i8] c"/boot/boot\00"
define i8* @bootcode_path(i8* %0) {
%2 = alloca i8*
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %14
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %14
13: ; preds = %8
store i8* null, i8** %2
br label %14
14: ; preds = %13, %12, %7
%15 = load i8*, i8** %2
ret i8* %15
}

LLVM IR (-O2):
@.str = [5 x i8] c"PC98\00"
@.str.1 = [15 x i8] c"/boot/pc98boot\00"
@.str.2 = [4 x i8] c"BSD\00"
@.str.3 = [11 x i8] c"/boot/boot\00"
define i8* @bootcode_path(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %8, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
%7 = select i1 %6, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i8* null
br label %8
8: ; preds = %4, %1
%9 = phi i8* [ getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), %1 ], [ %7, %4 ]
ret i8* %9
}