#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 *, float *);
main() {
  float f1, f2;
  printf("Please input two floating point numbers:\n");
  scanf("%f %f", &f1, &f2);
  printf("Sum is %.3f\nAverage is %.3f\n", (f1 + f2), ((f1 + f2) / 2));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
lea    -0x4(%rbp),%rsi
lea    -0x8(%rbp),%rdx
call   1040 <scanf@plt>
movss  -0x4(%rbp),%xmm0
addss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x4(%rbp),%xmm1
addss  -0x8(%rbp),%xmm1
movss  0xe96(%rip),%xmm2
divss  %xmm2,%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xebb(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm1
addss  (%rsp),%xmm1
cvtss2sd %xmm1,%xmm0
mulss  0xe98(%rip),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xe97(%rip),%rdi
mov    $0x2,%al
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [42 x i8] c"Please input two floating point numbers:\0A\00"
@.str.1 = [6 x i8] c"%f %f\00"
@.str.2 = [29 x i8] c"Sum is %.3f\0AAverage is %.3f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), float* %1, float* %2)
%5 = load float, float* %1
%6 = load float, float* %2
%7 = fadd float %5, %6
%8 = fpext float %7 to double
%9 = load float, float* %1
%10 = load float, float* %2
%11 = fadd float %9, %10
%12 = fdiv float %11, 2.000000e+00
%13 = fpext float %12 to double
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0), double %8, double %13)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [6 x i8] c"%f %f\00"
@.str.2 = [29 x i8] c"Sum is %.3f\0AAverage is %.3f\0A\00"
@str = [41 x i8] c"Please input two floating point numbers:\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), float* %1, float* %2)
%7 = load float, float* %1
%8 = load float, float* %2
%9 = fadd float %7, %8
%10 = fpext float %9 to double
%11 = fmul float %9, 5.000000e-01
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0), double %10, double %12)
ret i32 0
}