#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 EXIT_SUCCESS;
float inches2metres(float, float);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, float *);
int main(int argc, char **argv) {
  float a, b, c;
  printf("Please enter feet:");
  scanf("%f", &a);
  printf("Please enter inches:");
  scanf("%f", &b);
  c = inches2metres(a, b);
  printf(" %f feet %f inches in metres is %f metres\n", a, b, c);
  return (EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeb8(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe9a(%rip),%rdi
lea    -0x18(%rbp),%rsi
call   1050 <scanf@plt>
movss  -0x14(%rbp),%xmm0
movss  -0x18(%rbp),%xmm1
call   1030 <inches2metres@plt>
movss  %xmm0,-0x1c(%rbp)
movss  -0x14(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x18(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
movss  -0x1c(%rbp),%xmm2
cvtss2sd %xmm2,%xmm2
lea    0xe73(%rip),%rdi
mov    $0x3,%al
call   1040 <printf@plt>
mov    0x2e1a(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xec4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec9(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
movss  0x8(%rsp),%xmm1
call   1030 <inches2metres@plt>
movss  0xc(%rsp),%xmm1
cvtss2sd %xmm1,%xmm3
movss  0x8(%rsp),%xmm1
cvtss2sd %xmm1,%xmm1
cvtss2sd %xmm0,%xmm2
lea    0xe89(%rip),%rdi
movaps %xmm3,%xmm0
mov    $0x3,%al
call   1040 <printf@plt>
mov    0x2e2d(%rip),%rax
mov    (%rax),%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Please enter feet:\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [21 x i8] c"Please enter inches:\00"
@.str.3 = [43 x i8] c" %f feet %f inches in metres is %f metres\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca float
%7 = alloca float
%8 = alloca float
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %6)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %7)
%13 = load float, float* %6
%14 = load float, float* %7
%15 = call float @inches2metres(float %13, float %14)
store float %15, float* %8
%16 = load float, float* %6
%17 = fpext float %16 to double
%18 = load float, float* %7
%19 = fpext float %18 to double
%20 = load float, float* %8
%21 = fpext float %20 to double
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), double %17, double %19, double %21)
%23 = load i32, i32* @EXIT_SUCCESS
ret i32 %23
}

LLVM IR (-O2):
@.str = [19 x i8] c"Please enter feet:\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [21 x i8] c"Please enter inches:\00"
@.str.3 = [43 x i8] c" %f feet %f inches in metres is %f metres\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca float
%4 = alloca float
%5 = bitcast float* %3 to i8*
%6 = bitcast float* %4 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%11 = load float, float* %3
%12 = load float, float* %4
%13 = call float @inches2metres(float %11, float %12)
%14 = load float, float* %3
%15 = fpext float %14 to double
%16 = load float, float* %4
%17 = fpext float %16 to double
%18 = fpext float %13 to double
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), double %15, double %17, double %18)
%20 = load i32, i32* @EXIT_SUCCESS
ret i32 %20
}