#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 */
float get_biggest_of_three(float, float, float);
int /*<<< orphan*/ printf(char *, float);
int /*<<< orphan*/ scanf(char *, float *);
int main() {
  float a = 0, b = 0, c = 0;
  scanf("%f", &a);
  scanf("%f", &b);
  scanf("%f", &c);
  float result = get_biggest_of_three(a, b, c);
  printf("%.1f\n", result);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
xorps  %xmm0,%xmm0
movss  %xmm0,-0x8(%rbp)
xorps  %xmm0,%xmm0
movss  %xmm0,-0xc(%rbp)
xorps  %xmm0,%xmm0
movss  %xmm0,-0x10(%rbp)
lea    0xea2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xe92(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xe82(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1050 <scanf@plt>
movss  -0x8(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
movss  -0x10(%rbp),%xmm2
call   1040 <get_biggest_of_three@plt>
movss  %xmm0,-0x14(%rbp)
movss  -0x14(%rbp),%xmm0
lea    0xe57(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x0,0xc(%rsp)
movl   $0x0,0x8(%rsp)
movl   $0x0,0x4(%rsp)
lea    0xeac(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
movss  0x8(%rsp),%xmm1
movss  0x4(%rsp),%xmm2
call   1040 <get_biggest_of_three@plt>
lea    0xe6a(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%f\00"
@.str.1 = [6 x i8] c"%.1f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
store i32 0, i32* %1
store float 0.000000e+00, float* %2
store float 0.000000e+00, float* %3
store float 0.000000e+00, float* %4
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %2)
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %3)
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %4)
%9 = load float, float* %2
%10 = load float, float* %3
%11 = load float, float* %4
%12 = call float @get_biggest_of_three(float %9, float %10, float %11)
store float %12, float* %5
%13 = load float, float* %5
%14 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), float %13)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%f\00"
@.str.1 = [6 x i8] c"%.1f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = bitcast float* %1 to i8*
store float 0.000000e+00, float* %1
%5 = bitcast float* %2 to i8*
store float 0.000000e+00, float* %2
%6 = bitcast float* %3 to i8*
store float 0.000000e+00, float* %3
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %2)
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %3)
%10 = load float, float* %1
%11 = load float, float* %2
%12 = load float, float* %3
%13 = call float @get_biggest_of_three(float %10, float %11, float %12)
%14 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), float %13)
ret i32 0
}