#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 x, polynomial;
  printf("Enter the value of X: ");
  scanf("%f", &x);
  polynomial = ((((3 * x + 2) * x - 5) * x - 1) * x + 7) * x - 6;
  printf("The value of the polynomial is %.2f\n", polynomial);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xee9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef2(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x4(%rbp),%xmm0
movss  0xebd(%rip),%xmm1
mulss  %xmm1,%xmm0
movss  0xeb5(%rip),%xmm1
addss  %xmm1,%xmm0
movss  -0x4(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  0xe98(%rip),%xmm1
addss  %xmm1,%xmm0
movss  -0x4(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  0xe7f(%rip),%xmm1
addss  %xmm1,%xmm0
movss  -0x4(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  0xe66(%rip),%xmm1
addss  %xmm1,%xmm0
movss  -0x4(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  0xe4d(%rip),%xmm1
addss  %xmm1,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe66(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xef0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
movss  0xeb2(%rip),%xmm1
mulss  %xmm0,%xmm1
addss  0xeaa(%rip),%xmm1
mulss  %xmm0,%xmm1
addss  0xea2(%rip),%xmm1
mulss  %xmm0,%xmm1
addss  0xe9a(%rip),%xmm1
mulss  %xmm0,%xmm1
addss  0xe92(%rip),%xmm1
mulss  %xmm0,%xmm1
addss  0xe8a(%rip),%xmm1
xorps  %xmm0,%xmm0
cvtss2sd %xmm1,%xmm0
lea    0xe9a(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [23 x i8] c"Enter the value of X: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [37 x i8] c"The value of the polynomial is %.2f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%5 = load float, float* %1
%6 = call float @llvm.fmuladd.f32(float 3.000000e+00, float %5, float 2.000000e+00)
%7 = load float, float* %1
%8 = call float @llvm.fmuladd.f32(float %6, float %7, float -5.000000e+00)
%9 = load float, float* %1
%10 = call float @llvm.fmuladd.f32(float %8, float %9, float -1.000000e+00)
%11 = load float, float* %1
%12 = call float @llvm.fmuladd.f32(float %10, float %11, float 7.000000e+00)
%13 = load float, float* %1
%14 = call float @llvm.fmuladd.f32(float %12, float %13, float -6.000000e+00)
store float %14, float* %2
%15 = load float, float* %2
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), double %16)
ret i32 0
}

LLVM IR (-O2):
@.str = [23 x i8] c"Enter the value of X: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [37 x i8] c"The value of the polynomial is %.2f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%5 = load float, float* %1
%6 = call float @llvm.fmuladd.f32(float %5, float 3.000000e+00, float 2.000000e+00)
%7 = call float @llvm.fmuladd.f32(float %6, float %5, float -5.000000e+00)
%8 = call float @llvm.fmuladd.f32(float %7, float %5, float -1.000000e+00)
%9 = call float @llvm.fmuladd.f32(float %8, float %5, float 7.000000e+00)
%10 = call float @llvm.fmuladd.f32(float %9, float %5, float -6.000000e+00)
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), double %11)
ret i32 0
}