#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 scanf(char *, double *, double *);
int main(void) {
  double d1, d2;
  int scanRes;
  printf("Enter input on the following line\n");
  scanRes = scanf("%lf %lf", &d1, &d2);
  printf("d1 = %10.5f, d2 = %8.4f\n", d1, d2);
  printf("scanRes = %d\n", scanRes);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedf(%rip),%rdi
lea    -0x10(%rbp),%rsi
lea    -0x18(%rbp),%rdx
call   1040 <scanf@plt>
mov    %eax,-0x1c(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  -0x18(%rbp),%xmm1
lea    0xec6(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
mov    -0x1c(%rbp),%esi
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb8(%rip),%rdi
lea    0x8(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
mov    %eax,%ebx
movsd  0x8(%rsp),%xmm0
movsd  (%rsp),%xmm1
lea    0xe9f(%rip),%rdi
mov    $0x2,%al
call   1040 <printf@plt>
lea    0xeaa(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Enter input on the following line\0A\00"
@.str.1 = [8 x i8] c"%lf %lf\00"
@.str.2 = [25 x i8] c"d1 = %10.5f, d2 = %8.4f\0A\00"
@.str.3 = [14 x i8] c"scanRes = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca double
%3 = alloca double
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), double* %2, double* %3)
store i32 %6, i32* %4
%7 = load double, double* %2
%8 = load double, double* %3
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), double %7, double %8)
%10 = load i32, i32* %4
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %10)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [8 x i8] c"%lf %lf\00"
@.str.2 = [25 x i8] c"d1 = %10.5f, d2 = %8.4f\0A\00"
@.str.3 = [14 x i8] c"scanRes = %d\0A\00"
@str = [34 x i8] c"Enter input on the following line\00"
define i32 @main() {
%1 = alloca double
%2 = alloca double
%3 = bitcast double* %1 to i8*
%4 = bitcast double* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), double* %1, double* %2)
%7 = load double, double* %1
%8 = load double, double* %2
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), double %7, double %8)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i32 %6)
ret i32 0
}