#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 */
typedef int uint8_t;
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, ...);
void fwriteaddr1(uint8_t *macw, FILE *fhd) {
  int p;
  for (p = 0; p < 6; p++) {
    fprintf(fhd, "%02x", macw[p]);
  }
  fprintf(fhd, ":");
  return;
}


x86 assembly (clang, -O0):
<fwriteaddr1>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0x6,-0x14(%rbp)
jge    115c <fwriteaddr1+0x4c>
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
lea    0xeb9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1127 <fwriteaddr1+0x17>
mov    -0x10(%rbp),%rdi
lea    0xe9e(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fwriteaddr1>:
push   %r15
push   %r14
push   %rbx
mov    %rsi,%r14
mov    %rdi,%rbx
mov    (%rdi),%edx
lea    0xecc(%rip),%r15
mov    %rsi,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    0x4(%rbx),%edx
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    0x8(%rbx),%edx
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    0xc(%rbx),%edx
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    0x10(%rbx),%edx
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    0x14(%rbx),%edx
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    $0x3a,%edi
mov    %r14,%rsi
pop    %rbx
pop    %r14
pop    %r15
jmp    1030 <fputc@plt>

LLVM IR (-O0):
@.str = [5 x i8] c"%02x\00"
@.str.1 = [2 x i8] c":\00"
define void @fwriteaddr1(i32* %0, i32* %1) {
%3 = alloca i32*
%4 = alloca i32*
%5 = alloca i32
store i32* %0, i32** %3
store i32* %1, i32** %4
store i32 0, i32* %5
br label %6
6: ; preds = %17, %2
%7 = load i32, i32* %5
%8 = icmp slt i32 %7, 6
br i1 %8, label %9, label %20
9: ; preds = %6
%10 = load i32*, i32** %4
%11 = load i32*, i32** %3
%12 = load i32, i32* %5
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds i32, i32* %11, i64 %13
%15 = load i32, i32* %14
%16 = call i32 (i32*, i8*, ...) @fprintf(i32* %10, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %15)
br label %17
17: ; preds = %9
%18 = load i32, i32* %5
%19 = add nsw i32 %18, 1
store i32 %19, i32* %5
br label %6
20: ; preds = %6
%21 = load i32*, i32** %4
%22 = call i32 (i32*, i8*, ...) @fprintf(i32* %21, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [5 x i8] c"%02x\00"
define void @fwriteaddr1(i32* nocapture %0, i32* nocapture %1) {
%3 = load i32, i32* %0
%4 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = getelementptr inbounds i32, i32* %0, i64 1
%6 = load i32, i32* %5
%7 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = getelementptr inbounds i32, i32* %0, i64 2
%9 = load i32, i32* %8
%10 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i32, i32* %0, i64 3
%12 = load i32, i32* %11
%13 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds i32, i32* %0, i64 4
%15 = load i32, i32* %14
%16 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds i32, i32* %0, i64 5
%18 = load i32, i32* %17
%19 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %18)
%20 = tail call i32 @fputc(i32 58, i32* %1)
ret void
}