#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 /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, float *);
double sqrt(float);
int main(void) {
  float b;
  printf("Escribe un flotante: ");
  scanf("%f", &b);
  if (b >= 0.0) {
    printf("Su raiz cuadrada es %f.\n", sqrt(b));
  } else {
    printf("No puedo calcular su raiz cuadrada.\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
xorps  %xmm1,%xmm1
ucomisd %xmm1,%xmm0
jb     1190 <main+0x60>
movss  -0x8(%rbp),%xmm0
call   1050 <sqrt@plt>
lea    0xe95(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
jmp    119e <main+0x6e>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec0(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jae    117c <main+0x3c>
lea    0xebd(%rip),%rdi
call   1030 <puts@plt>
jmp    118f <main+0x4f>
call   1060 <sqrt@plt>
lea    0xe91(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [22 x i8] c"Escribe un flotante: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [25 x i8] c"Su raiz cuadrada es %f.\0A\00"
@.str.3 = [37 x i8] c"No puedo calcular su raiz cuadrada.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%5 = load float, float* %2
%6 = fpext float %5 to double
%7 = fcmp oge double %6, 0.000000e+00
br i1 %7, label %8, label %12
8: ; preds = %0
%9 = load float, float* %2
%10 = call double @sqrt(float %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), double %10)
br label %14
12: ; preds = %0
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0))
br label %14
14: ; preds = %12, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [22 x i8] c"Escribe un flotante: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [25 x i8] c"Su raiz cuadrada es %f.\0A\00"
@str = [36 x i8] c"No puedo calcular su raiz cuadrada.\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%5 = load float, float* %1
%6 = fcmp ult float %5, 0.000000e+00
br i1 %6, label %10, label %7
7: ; preds = %0
%8 = call double @sqrt(float %5)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), double %8)
br label %12
10: ; preds = %0
%11 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
br label %12
12: ; preds = %10, %7
ret i32 0
}