#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 *, float *, float *, float *,
                         float *);
int main() {
  float x1;
  float y1;
  float x2;
  float y2;
  float x3;
  float y3;
  scanf("%f%f%f%f%f%f", &x1, &y1, &x2, &y2, &x3, &y3);
  float a = (y2 - y1) / (x2 - x1);
  float b = (y3 - y2) / (x3 - x2);
  if (a == b) {
    printf("All the points are on same line.");
  } else {
    printf("All the points are not on same line.");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
lea    -0x14(%rbp),%r8
lea    -0x18(%rbp),%r9
lea    -0x1c(%rbp),%rax
mov    %rax,(%rsp)
call   1040 <scanf@plt>
movss  -0x14(%rbp),%xmm0
subss  -0xc(%rbp),%xmm0
movss  -0x10(%rbp),%xmm1
subss  -0x8(%rbp),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x20(%rbp)
movss  -0x1c(%rbp),%xmm0
subss  -0x14(%rbp),%xmm0
movss  -0x18(%rbp),%xmm1
subss  -0x10(%rbp),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x24(%rbp)
movss  -0x20(%rbp),%xmm0
ucomiss -0x24(%rbp),%xmm0
jne    11b7 <main+0x97>
jp     11b7 <main+0x97>
lea    0xe60(%rip),%rdi
call   1030 <printf@plt>
jmp    11c3 <main+0xa3>
lea    0xe70(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x28,%rsp
lea    0x10(%rsp),%rax
mov    %rax,(%rsp)
lea    0xecc(%rip),%rdi
lea    0x24(%rsp),%rsi
lea    0x20(%rsp),%rdx
lea    0x1c(%rsp),%rcx
lea    0x18(%rsp),%r8
lea    0x14(%rsp),%r9
call   1040 <scanf@plt>
movss  0x10(%rsp),%xmm0
movss  0x18(%rsp),%xmm1
movss  0x20(%rsp),%xmm2
unpcklps %xmm1,%xmm2
unpcklps %xmm0,%xmm1
subps  %xmm2,%xmm1
movss  0x14(%rsp),%xmm0
movss  0x1c(%rsp),%xmm2
movss  0x24(%rsp),%xmm3
unpcklps %xmm2,%xmm3
unpcklps %xmm0,%xmm2
subps  %xmm3,%xmm2
divps  %xmm2,%xmm1
movaps %xmm1,%xmm0
shufps $0x55,%xmm1,%xmm0
ucomiss %xmm0,%xmm1
lea    0xe92(%rip),%rax
lea    0xe6a(%rip),%rdi
cmovne %rax,%rdi
cmovp  %rax,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x28,%rsp
ret

LLVM IR (-O0):
@.str = [13 x i8] c"%f%f%f%f%f%f\00"
@.str.1 = [33 x i8] c"All the points are on same line.\00"
@.str.2 = [37 x i8] c"All the points are not on same line.\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = alloca float
%8 = alloca float
%9 = alloca float
store i32 0, i32* %1
%10 = call i32 @scanf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), float* %2, float* %3, float* %4, float* %5, float* %6, float* %7)
%11 = load float, float* %5
%12 = load float, float* %3
%13 = fsub float %11, %12
%14 = load float, float* %4
%15 = load float, float* %2
%16 = fsub float %14, %15
%17 = fdiv float %13, %16
store float %17, float* %8
%18 = load float, float* %7
%19 = load float, float* %5
%20 = fsub float %18, %19
%21 = load float, float* %6
%22 = load float, float* %4
%23 = fsub float %21, %22
%24 = fdiv float %20, %23
store float %24, float* %9
%25 = load float, float* %8
%26 = load float, float* %9
%27 = fcmp oeq float %25, %26
br i1 %27, label %28, label %30
28: ; preds = %0
%29 = call i32 @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
br label %32
30: ; preds = %0
%31 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
br label %32
32: ; preds = %30, %28
ret i32 0
}

LLVM IR (-O2):
@.str = [13 x i8] c"%f%f%f%f%f%f\00"
@.str.1 = [33 x i8] c"All the points are on same line.\00"
@.str.2 = [37 x i8] c"All the points are not on same line.\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = bitcast float* %1 to i8*
%8 = bitcast float* %2 to i8*
%9 = bitcast float* %3 to i8*
%10 = bitcast float* %4 to i8*
%11 = bitcast float* %5 to i8*
%12 = bitcast float* %6 to i8*
%13 = call i32 @scanf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), float* %1, float* %2, float* %3, float* %4, float* %5, float* %6)
%14 = load float, float* %4
%15 = load float, float* %2
%16 = load float, float* %3
%17 = load float, float* %1
%18 = load float, float* %6
%19 = insertelement <2 x float> poison, float %14, i64 0
%20 = insertelement <2 x float> %19, float %18, i64 1
%21 = insertelement <2 x float> poison, float %15, i64 0
%22 = insertelement <2 x float> %21, float %14, i64 1
%23 = fsub <2 x float> %20, %22
%24 = load float, float* %5
%25 = insertelement <2 x float> poison, float %16, i64 0
%26 = insertelement <2 x float> %25, float %24, i64 1
%27 = insertelement <2 x float> poison, float %17, i64 0
%28 = insertelement <2 x float> %27, float %16, i64 1
%29 = fsub <2 x float> %26, %28
%30 = fdiv <2 x float> %23, %29
%31 = extractelement <2 x float> %30, i64 0
%32 = extractelement <2 x float> %30, i64 1
%33 = fcmp oeq float %31, %32
%34 = select i1 %33, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0)
%35 = call i32 @printf(i8* dereferenceable(1) %34)
ret i32 0
}