#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 *);
void trapezoid_area() {
  float h, b1, b2, a;
  printf("Height measurment: ");
  scanf("%f", &h);
  printf("Length of first base: ");
  scanf("%f", &b1);
  printf("Length of second base: ");
  ;
  scanf("%f", &b2);
  a = ((b1 + b2) / 2) * h;
  printf("Area is: %f", a);
  printf("\n");
}


x86 assembly (clang, -O0):
<trapezoid_area>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf13(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xecb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
addss  -0xc(%rbp),%xmm0
movss  0xe6c(%rip),%xmm1
divss  %xmm1,%xmm0
mulss  -0x4(%rbp),%xmm0
movss  %xmm0,-0x10(%rbp)
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe95(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xe93(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<trapezoid_area>:
push   %rbx
sub    $0x10,%rsp
lea    0xec8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf06(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeba(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeb6(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x8(%rsp),%xmm0
addss  0x4(%rsp),%xmm0
mulss  0xe5f(%rip),%xmm0
mulss  0xc(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe95(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Height measurment: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [23 x i8] c"Length of first base: \00"
@.str.3 = [24 x i8] c"Length of second base: \00"
@.str.4 = [12 x i8] c"Area is: %f\00"
@.str.5 = [2 x i8] c"\0A\00"
define void @trapezoid_area() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%11 = load float, float* %2
%12 = load float, float* %3
%13 = fadd float %11, %12
%14 = fdiv float %13, 2.000000e+00
%15 = load float, float* %1
%16 = fmul float %14, %15
store float %16, float* %4
%17 = load float, float* %4
%18 = fpext float %17 to double
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), double %18)
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [20 x i8] c"Height measurment: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [23 x i8] c"Length of first base: \00"
@.str.3 = [24 x i8] c"Length of second base: \00"
@.str.4 = [12 x i8] c"Area is: %f\00"
define void @trapezoid_area() {
%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 ([20 x i8], [20 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 ([23 x i8], [23 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 ([24 x i8], [24 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* %2
%14 = load float, float* %3
%15 = fadd float %13, %14
%16 = fmul float %15, 5.000000e-01
%17 = load float, float* %1
%18 = fmul float %17, %16
%19 = fpext float %18 to double
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), double %19)
%21 = call i32 @putchar(i32 10)
ret void
}