#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 /*<<< orphan*/ system(char *);
int main() {
  float s, a1, an, n;
  printf("Digite o valor do primeiro termo: ");
  scanf("%f", &a1);
  printf("Digite o valor do ultimo termo: ");
  scanf("%f", &an);
  printf("Digite o número de termos: ");
  scanf("%f", &n);
  s = (((a1 + an) * n) / 2);
  printf("\nO valor da P.A. é: %.2f\n", s);
  system("pause");
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xebe(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xed3(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xec6(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeb5(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe97(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1050 <scanf@plt>
movss  -0xc(%rbp),%xmm0
addss  -0x10(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  0xe50(%rip),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe9f(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
lea    0xeac(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xec8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xedd(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xecc(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xed2(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
addss  0x8(%rsp),%xmm0
mulss  0x4(%rsp),%xmm0
mulss  0xe59(%rip),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeb6(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
lea    0xec3(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Digite o valor do primeiro termo: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [33 x i8] c"Digite o valor do ultimo termo: \00"
@.str.3 = [29 x i8] c"Digite o n\C3\BAmero de termos: \00"
@.str.4 = [27 x i8] c"\0AO valor da P.A. \C3\A9: %.2f\0A\00"
@.str.5 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
store i32 0, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %5)
%12 = load float, float* %3
%13 = load float, float* %4
%14 = fadd float %12, %13
%15 = load float, float* %5
%16 = fmul float %14, %15
%17 = fdiv float %16, 2.000000e+00
store float %17, float* %2
%18 = load float, float* %2
%19 = fpext float %18 to double
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.4, i64 0, i64 0), double %19)
%21 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [35 x i8] c"Digite o valor do primeiro termo: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [33 x i8] c"Digite o valor do ultimo termo: \00"
@.str.3 = [29 x i8] c"Digite o n\C3\BAmero de termos: \00"
@.str.4 = [27 x i8] c"\0AO valor da P.A. \C3\A9: %.2f\0A\00"
@.str.5 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = bitcast float* %1 to i8*
%5 = bitcast float* %2 to i8*
%6 = bitcast float* %3 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 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* %1)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 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* %2)
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%13 = load float, float* %1
%14 = load float, float* %2
%15 = fadd float %13, %14
%16 = load float, float* %3
%17 = fmul float %15, %16
%18 = fmul float %17, 5.000000e-01
%19 = fpext float %18 to double
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.4, i64 0, i64 0), double %19)
%21 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}