#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 strlen(char *);
char toupper(char);
void converter_string(char *entrada) {
  int i;
  if (entrada[strlen(entrada) - 1] == '\n')
    entrada[strlen(entrada) - 1] = '\0';
  for (i = 0; i < strlen(entrada); i++)
    entrada[i] = toupper(entrada[i]);
}


x86 assembly (clang, -O0):
<converter_string>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,%ecx
mov    -0x18(%rbp),%rax
sub    $0x1,%ecx
movslq %ecx,%rcx
movsbl (%rax,%rcx,1),%eax
cmp    $0xa,%eax
jne    1177 <converter_string+0x57>
mov    -0x8(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,%ecx
mov    -0x20(%rbp),%rax
sub    $0x1,%ecx
movslq %ecx,%rcx
movb   $0x0,(%rax,%rcx,1)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x24(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,%ecx
mov    -0x24(%rbp),%eax
cmp    %ecx,%eax
jge    11c6 <converter_string+0xa6>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movsbl (%rax,%rcx,1),%edi
call   1030 <toupper@plt>
mov    %al,%dl
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    117e <converter_string+0x5e>
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<converter_string>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
call   1040 <strlen@plt>
cltq
cmpb   $0xa,-0x1(%rax,%r14,1)
jne    1146 <converter_string+0x26>
mov    %r14,%rdi
call   1040 <strlen@plt>
cltq
movb   $0x0,-0x1(%rax,%r14,1)
mov    %r14,%rdi
call   1040 <strlen@plt>
test   %eax,%eax
jle    1181 <converter_string+0x61>
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
movsbl (%r14,%rbx,1),%edi
call   1030 <toupper@plt>
mov    %al,(%r14,%rbx,1)
add    $0x1,%rbx
mov    %r14,%rdi
call   1040 <strlen@plt>
cltq
cmp    %rax,%rbx
jl     1160 <converter_string+0x40>
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
define void @converter_string(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
%4 = load i8*, i8** %2
%5 = load i8*, i8** %2
%6 = call i32 @strlen(i8* %5)
%7 = sub nsw i32 %6, 1
%8 = sext i32 %7 to i64
%9 = getelementptr inbounds i8, i8* %4, i64 %8
%10 = load i8, i8* %9
%11 = sext i8 %10 to i32
%12 = icmp eq i32 %11, 10
br i1 %12, label %13, label %20
13: ; preds = %1
%14 = load i8*, i8** %2
%15 = load i8*, i8** %2
%16 = call i32 @strlen(i8* %15)
%17 = sub nsw i32 %16, 1
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i8, i8* %14, i64 %18
store i8 0, i8* %19
br label %20
20: ; preds = %13, %1
store i32 0, i32* %3
br label %21
21: ; preds = %37, %20
%22 = load i32, i32* %3
%23 = load i8*, i8** %2
%24 = call i32 @strlen(i8* %23)
%25 = icmp slt i32 %22, %24
br i1 %25, label %26, label %40
26: ; preds = %21
%27 = load i8*, i8** %2
%28 = load i32, i32* %3
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds i8, i8* %27, i64 %29
%31 = load i8, i8* %30
%32 = call signext i8 @toupper(i8 signext %31)
%33 = load i8*, i8** %2
%34 = load i32, i32* %3
%35 = sext i32 %34 to i64
%36 = getelementptr inbounds i8, i8* %33, i64 %35
store i8 %32, i8* %36
br label %37
37: ; preds = %26
%38 = load i32, i32* %3
%39 = add nsw i32 %38, 1
store i32 %39, i32* %3
br label %21
40: ; preds = %21
ret void
}

LLVM IR (-O2):
define void @converter_string(i8* %0) {
%2 = tail call i32 @strlen(i8* %0)
%3 = add nsw i32 %2, -1
%4 = sext i32 %3 to i64
%5 = getelementptr inbounds i8, i8* %0, i64 %4
%6 = load i8, i8* %5
%7 = icmp eq i8 %6, 10
br i1 %7, label %8, label %13
8: ; preds = %1
%9 = tail call i32 @strlen(i8* %0)
%10 = add nsw i32 %9, -1
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds i8, i8* %0, i64 %11
store i8 0, i8* %12
br label %13
13: ; preds = %8, %1
%14 = tail call i32 @strlen(i8* %0)
%15 = icmp sgt i32 %14, 0
br i1 %15, label %16, label %25
16: ; preds = %13, %16
%17 = phi i64 [ %21, %16 ], [ 0, %13 ]
%18 = getelementptr inbounds i8, i8* %0, i64 %17
%19 = load i8, i8* %18
%20 = tail call signext i8 @toupper(i8 signext %19)
store i8 %20, i8* %18
%21 = add nuw nsw i64 %17, 1
%22 = tail call i32 @strlen(i8* %0)
%23 = sext i32 %22 to i64
%24 = icmp slt i64 %21, %23
br i1 %24, label %16, label %25
25: ; preds = %16, %13
ret void
}