#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 */
double convert_to_metric(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int feet = 0;
  int inches = 0;
  double metres = 0;
  printf("Enter your height in feet\n");
  scanf("%d", &feet);
  printf("Enter your height in inches\n");
  scanf("%d", &inches);
  metres = convert_to_metric(feet, inches);
  printf("Your height in metres is: %.2f\n", metres);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
xorps  %xmm0,%xmm0
movsd  %xmm0,-0x10(%rbp)
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb8(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe9a(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x4(%rbp),%edi
mov    -0x8(%rbp),%esi
call   1040 <convert_to_metric@plt>
movsd  %xmm0,-0x10(%rbp)
movsd  -0x10(%rbp),%xmm0
lea    0xe95(%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
movl   $0x0,0xc(%rsp)
movl   $0x0,0x8(%rsp)
lea    0xec7(%rip),%rdi
call   1030 <puts@plt>
lea    0xe98(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xec1(%rip),%rdi
call   1030 <puts@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%esi
call   1050 <convert_to_metric@plt>
lea    0xe61(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Enter your height in feet\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [29 x i8] c"Enter your height in inches\0A\00"
@.str.3 = [32 x i8] c"Your height in metres is: %.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca double
store i32 0, i32* %1
store i32 0, i32* %2
store double 0.000000e+00, double* %3
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 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), i32* %1)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 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), i32* %2)
%8 = load i32, i32* %1
%9 = load i32, i32* %2
%10 = call double @convert_to_metric(i32 %8, i32 %9)
store double %10, double* %3
%11 = load double, double* %3
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0), double %11)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.3 = [32 x i8] c"Your height in metres is: %.2f\0A\00"
@str = [26 x i8] c"Enter your height in feet\00"
@str.4 = [28 x i8] c"Enter your height in inches\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%4 = bitcast i32* %2 to i8*
store i32 0, i32* %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 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), i32* %1)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.4, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %1
%10 = load i32, i32* %2
%11 = call double @convert_to_metric(i32 %9, i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0), double %11)
ret i32 0
}