#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 *);
int main(void) {
  float miles, gallons;
  printf("Enter the number of miles traveled:\n");
  scanf("%f", &miles);
  printf("Enter the number of gallons of gasoline consumed:\n");
  scanf("%f", &gallons);
  printf("The miles-per-gallon value is %.1f.\n", miles / gallons);
  printf("The liters-per-100-km value is %.1f.\n",
         ((gallons * 3.785) / (miles * 1.609)) * 100.0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xee2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeec(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
divss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xef3(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xe78(%rip),%xmm1
mulsd  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
movsd  0xe5b(%rip),%xmm2
mulsd  %xmm2,%xmm1
divsd  %xmm1,%xmm0
movsd  0xe43(%rip),%xmm1
mulsd  %xmm1,%xmm0
lea    0xed0(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xf2a(%rip),%rdi
call   1030 <puts@plt>
lea    0xed0(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xf2e(%rip),%rdi
call   1030 <puts@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
divss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe96(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
movss  0xc(%rsp),%xmm0
movss  0x8(%rsp),%xmm1
unpcklps %xmm0,%xmm1
cvtps2pd %xmm1,%xmm0
mulpd  0xe5a(%rip),%xmm0
movapd %xmm0,%xmm1
unpckhpd %xmm0,%xmm1
divsd  %xmm1,%xmm0
mulsd  0xe56(%rip),%xmm0
lea    0xe7f(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [37 x i8] c"Enter the number of miles traveled:\0A\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [51 x i8] c"Enter the number of gallons of gasoline consumed:\0A\00"
@.str.3 = [37 x i8] c"The miles-per-gallon value is %.1f.\0A\00"
@.str.4 = [38 x i8] c"The liters-per-100-km value is %.1f.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%8 = load float, float* %2
%9 = load float, float* %3
%10 = fdiv float %8, %9
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), double %11)
%13 = load float, float* %3
%14 = fpext float %13 to double
%15 = fmul double %14, 3.785000e+00
%16 = load float, float* %2
%17 = fpext float %16 to double
%18 = fmul double %17, 1.609000e+00
%19 = fdiv double %15, %18
%20 = fmul double %19, 1.000000e+02
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.4, i64 0, i64 0), double %20)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%f\00"
@.str.3 = [37 x i8] c"The miles-per-gallon value is %.1f.\0A\00"
@.str.4 = [38 x i8] c"The liters-per-100-km value is %.1f.\0A\00"
@str = [36 x i8] c"Enter the number of miles traveled:\00"
@str.5 = [50 x i8] c"Enter the number of gallons of gasoline consumed:\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 ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.5, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%9 = load float, float* %1
%10 = load float, float* %2
%11 = fdiv float %9, %10
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), double %12)
%14 = load float, float* %2
%15 = load float, float* %1
%16 = insertelement <2 x float> poison, float %14, i64 0
%17 = insertelement <2 x float> %16, float %15, i64 1
%18 = fpext <2 x float> %17 to <2 x double>
%19 = fmul <2 x double> %18, <double 3.785000e+00, double 1.609000e+00>
%20 = extractelement <2 x double> %19, i64 0
%21 = extractelement <2 x double> %19, i64 1
%22 = fdiv double %20, %21
%23 = fmul double %22, 1.000000e+02
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.4, i64 0, i64 0), double %23)
ret i32 0
}