#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 */
char toupper(char);
void make_lanmpw(char *p, char *lm, int len) {
  int i;
  for (i = 0; i < 15; i++)
    lm[i] = 0;
  for (i = 0; i < len; i++)
    lm[i] = toupper(p[i]);
}


x86 assembly (clang, -O0):
<make_lanmpw>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
cmpl   $0xf,-0x18(%rbp)
jge    114e <make_lanmpw+0x3e>
mov    -0x10(%rbp),%rax
movslq -0x18(%rbp),%rcx
movb   $0x0,(%rax,%rcx,1)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    112a <make_lanmpw+0x1a>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    118d <make_lanmpw+0x7d>
mov    -0x8(%rbp),%rax
movslq -0x18(%rbp),%rcx
movsbl (%rax,%rcx,1),%edi
call   1030 <toupper@plt>
mov    %al,%dl
mov    -0x10(%rbp),%rax
movslq -0x18(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1155 <make_lanmpw+0x45>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<make_lanmpw>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
movq   $0x0,0x7(%rsi)
movq   $0x0,(%rsi)
test   %edx,%edx
jle    1157 <make_lanmpw+0x47>
mov    %rsi,%r15
mov    %rdi,%r14
mov    %edx,%r12d
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
movsbl (%r14,%rbx,1),%edi
call   1030 <toupper@plt>
mov    %al,(%r15,%rbx,1)
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1140 <make_lanmpw+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define void @make_lanmpw(i8* %0, i8* %1, i32 %2) {
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i32
%7 = alloca i32
store i8* %0, i8** %4
store i8* %1, i8** %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %8
8: ; preds = %16, %3
%9 = load i32, i32* %7
%10 = icmp slt i32 %9, 15
br i1 %10, label %11, label %19
11: ; preds = %8
%12 = load i8*, i8** %5
%13 = load i32, i32* %7
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds i8, i8* %12, i64 %14
store i8 0, i8* %15
br label %16
16: ; preds = %11
%17 = load i32, i32* %7
%18 = add nsw i32 %17, 1
store i32 %18, i32* %7
br label %8
19: ; preds = %8
store i32 0, i32* %7
br label %20
20: ; preds = %35, %19
%21 = load i32, i32* %7
%22 = load i32, i32* %6
%23 = icmp slt i32 %21, %22
br i1 %23, label %24, label %38
24: ; preds = %20
%25 = load i8*, i8** %4
%26 = load i32, i32* %7
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds i8, i8* %25, i64 %27
%29 = load i8, i8* %28
%30 = call signext i8 @toupper(i8 signext %29)
%31 = load i8*, i8** %5
%32 = load i32, i32* %7
%33 = sext i32 %32 to i64
%34 = getelementptr inbounds i8, i8* %31, i64 %33
store i8 %30, i8* %34
br label %35
35: ; preds = %24
%36 = load i32, i32* %7
%37 = add nsw i32 %36, 1
store i32 %37, i32* %7
br label %20
38: ; preds = %20
ret void
}

LLVM IR (-O2):
define void @make_lanmpw(i8* nocapture %0, i8* nocapture writeonly %1, i32 %2) {
%4 = icmp sgt i32 %2, 0
br i1 %4, label %5, label %15
5: ; preds = %3
%6 = zext i32 %2 to i64
br label %7
7: ; preds = %5, %7
%8 = phi i64 [ 0, %5 ], [ %13, %7 ]
%9 = getelementptr inbounds i8, i8* %0, i64 %8
%10 = load i8, i8* %9
%11 = tail call signext i8 @toupper(i8 signext %10)
%12 = getelementptr inbounds i8, i8* %1, i64 %8
store i8 %11, i8* %12
%13 = add nuw nsw i64 %8, 1
%14 = icmp eq i64 %13, %6
br i1 %14, label %15, label %7
15: ; preds = %7, %3
ret void
}