#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 binary_search(int, int *, int /*<<< orphan*/, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int a[100], x, i;
  for (i = 0; i < 100; i++)
    a[i] = i * 5;
  printf("Enter a number to search: ");
  scanf("%d", &x);
  printf("Given number is at position: %d\n", binary_search(x, a, 0, 99));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x1b0,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x1a8(%rbp)
cmpl   $0x64,-0x1a8(%rbp)
jge    1182 <main+0x52>
imul   $0x5,-0x1a8(%rbp),%ecx
movslq -0x1a8(%rbp),%rax
mov    %ecx,-0x1a0(%rbp,%rax,4)
mov    -0x1a8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1a8(%rbp)
jmp    114c <main+0x1c>
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe84(%rip),%rdi
lea    -0x1a4(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x1a4(%rbp),%edi
lea    -0x1a0(%rbp),%rsi
xor    %edx,%edx
mov    $0x63,%ecx
call   1040 <binary_search@plt>
mov    %eax,%esi
lea    0xe59(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x1b0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x1a8,%rsp
movaps 0xec2(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xec6(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xeca(%rip),%xmm0
movaps %xmm0,0x30(%rsp)
movaps 0xece(%rip),%xmm0
movaps %xmm0,0x40(%rsp)
movaps 0xed2(%rip),%xmm0
movaps %xmm0,0x50(%rsp)
movaps 0xed6(%rip),%xmm0
movaps %xmm0,0x60(%rsp)
movaps 0xeda(%rip),%xmm0
movaps %xmm0,0x70(%rsp)
movaps 0xede(%rip),%xmm0
movaps %xmm0,0x80(%rsp)
movaps 0xedf(%rip),%xmm0
movaps %xmm0,0x90(%rsp)
movaps 0xee0(%rip),%xmm0
movaps %xmm0,0xa0(%rsp)
movaps 0xee1(%rip),%xmm0
movaps %xmm0,0xb0(%rsp)
movaps 0xee2(%rip),%xmm0
movaps %xmm0,0xc0(%rsp)
movaps 0xee3(%rip),%xmm0
movaps %xmm0,0xd0(%rsp)
movaps 0xee4(%rip),%xmm0
movaps %xmm0,0xe0(%rsp)
movaps 0xee5(%rip),%xmm0
movaps %xmm0,0xf0(%rsp)
movaps 0xee6(%rip),%xmm0
movaps %xmm0,0x100(%rsp)
movaps 0xee7(%rip),%xmm0
movaps %xmm0,0x110(%rsp)
movaps 0xee8(%rip),%xmm0
movaps %xmm0,0x120(%rsp)
movaps 0xee9(%rip),%xmm0
movaps %xmm0,0x130(%rsp)
movaps 0xeea(%rip),%xmm0
movaps %xmm0,0x140(%rsp)
movaps 0xeeb(%rip),%xmm0
movaps %xmm0,0x150(%rsp)
movaps 0xeec(%rip),%xmm0
movaps %xmm0,0x160(%rsp)
movaps 0xeed(%rip),%xmm0
movaps %xmm0,0x170(%rsp)
movaps 0xeee(%rip),%xmm0
movaps %xmm0,0x180(%rsp)
movaps 0xeef(%rip),%xmm0
movaps %xmm0,0x190(%rsp)
lea    0xef0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xefd(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%edi
lea    0x10(%rsp),%rsi
xor    %edx,%edx
mov    $0x63,%ecx
call   1040 <binary_search@plt>
lea    0xeda(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x1a8,%rsp
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Enter a number to search: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [33 x i8] c"Given number is at position: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
br label %5
5: ; preds = %14, %0
%6 = load i32, i32* %4
%7 = icmp slt i32 %6, 100
br i1 %7, label %8, label %17
8: ; preds = %5
%9 = load i32, i32* %4
%10 = mul nsw i32 %9, 5
%11 = load i32, i32* %4
%12 = sext i32 %11 to i64
%13 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 %12
store i32 %10, i32* %13
br label %14
14: ; preds = %8
%15 = load i32, i32* %4
%16 = add nsw i32 %15, 1
store i32 %16, i32* %4
br label %5
17: ; preds = %5
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%20 = load i32, i32* %3
%21 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 0
%22 = call i32 @binary_search(i32 %20, i32* %21, i32 0, i32 99)
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), i32 %22)
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Enter a number to search: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [33 x i8] c"Given number is at position: %d\0A\00"
define i32 @main() {
%1 = alloca [100 x i32]
%2 = alloca i32
%3 = bitcast [100 x i32]* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = bitcast [100 x i32]* %1 to <4 x i32>*
store <4 x i32> <i32 0, i32 5, i32 10, i32 15>, <4 x i32>* %5
%6 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 4
%7 = bitcast i32* %6 to <4 x i32>*
store <4 x i32> <i32 20, i32 25, i32 30, i32 35>, <4 x i32>* %7
%8 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 8
%9 = bitcast i32* %8 to <4 x i32>*
store <4 x i32> <i32 40, i32 45, i32 50, i32 55>, <4 x i32>* %9
%10 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 12
%11 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> <i32 60, i32 65, i32 70, i32 75>, <4 x i32>* %11
%12 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 16
%13 = bitcast i32* %12 to <4 x i32>*
store <4 x i32> <i32 80, i32 85, i32 90, i32 95>, <4 x i32>* %13
%14 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 20
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> <i32 100, i32 105, i32 110, i32 115>, <4 x i32>* %15
%16 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 24
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> <i32 120, i32 125, i32 130, i32 135>, <4 x i32>* %17
%18 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 28
%19 = bitcast i32* %18 to <4 x i32>*
store <4 x i32> <i32 140, i32 145, i32 150, i32 155>, <4 x i32>* %19
%20 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 32
%21 = bitcast i32* %20 to <4 x i32>*
store <4 x i32> <i32 160, i32 165, i32 170, i32 175>, <4 x i32>* %21
%22 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 36
%23 = bitcast i32* %22 to <4 x i32>*
store <4 x i32> <i32 180, i32 185, i32 190, i32 195>, <4 x i32>* %23
%24 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 40
%25 = bitcast i32* %24 to <4 x i32>*
store <4 x i32> <i32 200, i32 205, i32 210, i32 215>, <4 x i32>* %25
%26 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 44
%27 = bitcast i32* %26 to <4 x i32>*
store <4 x i32> <i32 220, i32 225, i32 230, i32 235>, <4 x i32>* %27
%28 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 48
%29 = bitcast i32* %28 to <4 x i32>*
store <4 x i32> <i32 240, i32 245, i32 250, i32 255>, <4 x i32>* %29
%30 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 52
%31 = bitcast i32* %30 to <4 x i32>*
store <4 x i32> <i32 260, i32 265, i32 270, i32 275>, <4 x i32>* %31
%32 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 56
%33 = bitcast i32* %32 to <4 x i32>*
store <4 x i32> <i32 280, i32 285, i32 290, i32 295>, <4 x i32>* %33
%34 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 60
%35 = bitcast i32* %34 to <4 x i32>*
store <4 x i32> <i32 300, i32 305, i32 310, i32 315>, <4 x i32>* %35
%36 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 64
%37 = bitcast i32* %36 to <4 x i32>*
store <4 x i32> <i32 320, i32 325, i32 330, i32 335>, <4 x i32>* %37
%38 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 68
%39 = bitcast i32* %38 to <4 x i32>*
store <4 x i32> <i32 340, i32 345, i32 350, i32 355>, <4 x i32>* %39
%40 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 72
%41 = bitcast i32* %40 to <4 x i32>*
store <4 x i32> <i32 360, i32 365, i32 370, i32 375>, <4 x i32>* %41
%42 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 76
%43 = bitcast i32* %42 to <4 x i32>*
store <4 x i32> <i32 380, i32 385, i32 390, i32 395>, <4 x i32>* %43
%44 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 80
%45 = bitcast i32* %44 to <4 x i32>*
store <4 x i32> <i32 400, i32 405, i32 410, i32 415>, <4 x i32>* %45
%46 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 84
%47 = bitcast i32* %46 to <4 x i32>*
store <4 x i32> <i32 420, i32 425, i32 430, i32 435>, <4 x i32>* %47
%48 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 88
%49 = bitcast i32* %48 to <4 x i32>*
store <4 x i32> <i32 440, i32 445, i32 450, i32 455>, <4 x i32>* %49
%50 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 92
%51 = bitcast i32* %50 to <4 x i32>*
store <4 x i32> <i32 460, i32 465, i32 470, i32 475>, <4 x i32>* %51
%52 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 96
%53 = bitcast i32* %52 to <4 x i32>*
store <4 x i32> <i32 480, i32 485, i32 490, i32 495>, <4 x i32>* %53
%54 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%55 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%56 = load i32, i32* %2
%57 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 0
%58 = call i32 @binary_search(i32 %56, i32* %57, i32 0, i32 99)
%59 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0), i32 %58)
ret i32 0
}