#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);
int sum(int *, int);
int sumWptr(int *, int);
int main(void) {
  int arr[100];
  for (int i = 0; i < 100; i++)
    arr[i] = i;
  int s = sum(arr, 100);
  printf("%d \n", s);
  int s2 = sumWptr(arr, 100);
  printf("%d \n", s2);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x1b0,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x1a4(%rbp)
cmpl   $0x64,-0x1a4(%rbp)
jge    1181 <main+0x51>
mov    -0x1a4(%rbp),%ecx
movslq -0x1a4(%rbp),%rax
mov    %ecx,-0x1a0(%rbp,%rax,4)
mov    -0x1a4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1a4(%rbp)
jmp    114c <main+0x1c>
lea    -0x1a0(%rbp),%rdi
mov    $0x64,%esi
call   1040 <sum@plt>
mov    %eax,-0x1a8(%rbp)
mov    -0x1a8(%rbp),%esi
lea    0xe5b(%rip),%rdi
call   1030 <printf@plt>
lea    -0x1a0(%rbp),%rdi
mov    $0x64,%esi
call   1050 <sumWptr@plt>
mov    %eax,-0x1ac(%rbp)
mov    -0x1ac(%rbp),%esi
lea    0xe32(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x1b0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x198,%rsp
movaps 0xebf(%rip),%xmm0
movaps %xmm0,(%rsp)
movaps 0xec4(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xec8(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xecc(%rip),%xmm0
movaps %xmm0,0x30(%rsp)
movaps 0xed0(%rip),%xmm0
movaps %xmm0,0x40(%rsp)
movaps 0xed4(%rip),%xmm0
movaps %xmm0,0x50(%rsp)
movaps 0xed8(%rip),%xmm0
movaps %xmm0,0x60(%rsp)
movaps 0xedc(%rip),%xmm0
movaps %xmm0,0x70(%rsp)
movaps 0xee0(%rip),%xmm0
movaps %xmm0,0x80(%rsp)
movaps 0xee1(%rip),%xmm0
movaps %xmm0,0x90(%rsp)
movaps 0xee2(%rip),%xmm0
movaps %xmm0,0xa0(%rsp)
movaps 0xee3(%rip),%xmm0
movaps %xmm0,0xb0(%rsp)
movaps 0xee4(%rip),%xmm0
movaps %xmm0,0xc0(%rsp)
movaps 0xee5(%rip),%xmm0
movaps %xmm0,0xd0(%rsp)
movaps 0xee6(%rip),%xmm0
movaps %xmm0,0xe0(%rsp)
movaps 0xee7(%rip),%xmm0
movaps %xmm0,0xf0(%rsp)
movaps 0xee8(%rip),%xmm0
movaps %xmm0,0x100(%rsp)
movaps 0xee9(%rip),%xmm0
movaps %xmm0,0x110(%rsp)
movaps 0xeea(%rip),%xmm0
movaps %xmm0,0x120(%rsp)
movaps 0xeeb(%rip),%xmm0
movaps %xmm0,0x130(%rsp)
movaps 0xeec(%rip),%xmm0
movaps %xmm0,0x140(%rsp)
movaps 0xeed(%rip),%xmm0
movaps %xmm0,0x150(%rsp)
movaps 0xeee(%rip),%xmm0
movaps %xmm0,0x160(%rsp)
movaps 0xeef(%rip),%xmm0
movaps %xmm0,0x170(%rsp)
movaps 0xef0(%rip),%xmm0
movaps %xmm0,0x180(%rsp)
mov    %rsp,%r14
mov    %r14,%rdi
mov    $0x64,%esi
call   1040 <sum@plt>
lea    0xee1(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r14,%rdi
mov    $0x64,%esi
call   1050 <sumWptr@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x198,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [5 x i8] c"%d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i32]
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %6
6: ; preds = %14, %0
%7 = load i32, i32* %3
%8 = icmp slt i32 %7, 100
br i1 %8, label %9, label %17
9: ; preds = %6
%10 = load i32, i32* %3
%11 = load i32, i32* %3
%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 = %9
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
store i32 %16, i32* %3
br label %6
17: ; preds = %6
%18 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 0
%19 = call i32 @sum(i32* %18, i32 100)
store i32 %19, i32* %4
%20 = load i32, i32* %4
%21 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %20)
%22 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 0
%23 = call i32 @sumWptr(i32* %22, i32 100)
store i32 %23, i32* %5
%24 = load i32, i32* %5
%25 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %24)
%26 = load i32, i32* %1
ret i32 %26
}

LLVM IR (-O2):
@.str = [5 x i8] c"%d \0A\00"
define i32 @main() {
%1 = alloca [100 x i32]
%2 = bitcast [100 x i32]* %1 to i8*
%3 = bitcast [100 x i32]* %1 to <4 x i32>*
store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, <4 x i32>* %3
%4 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 4
%5 = bitcast i32* %4 to <4 x i32>*
store <4 x i32> <i32 4, i32 5, i32 6, i32 7>, <4 x i32>* %5
%6 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 8
%7 = bitcast i32* %6 to <4 x i32>*
store <4 x i32> <i32 8, i32 9, i32 10, i32 11>, <4 x i32>* %7
%8 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 12
%9 = bitcast i32* %8 to <4 x i32>*
store <4 x i32> <i32 12, i32 13, i32 14, i32 15>, <4 x i32>* %9
%10 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 16
%11 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> <i32 16, i32 17, i32 18, i32 19>, <4 x i32>* %11
%12 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 20
%13 = bitcast i32* %12 to <4 x i32>*
store <4 x i32> <i32 20, i32 21, i32 22, i32 23>, <4 x i32>* %13
%14 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 24
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> <i32 24, i32 25, i32 26, i32 27>, <4 x i32>* %15
%16 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 28
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> <i32 28, i32 29, i32 30, i32 31>, <4 x i32>* %17
%18 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 32
%19 = bitcast i32* %18 to <4 x i32>*
store <4 x i32> <i32 32, i32 33, i32 34, i32 35>, <4 x i32>* %19
%20 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 36
%21 = bitcast i32* %20 to <4 x i32>*
store <4 x i32> <i32 36, i32 37, i32 38, i32 39>, <4 x i32>* %21
%22 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 40
%23 = bitcast i32* %22 to <4 x i32>*
store <4 x i32> <i32 40, i32 41, i32 42, i32 43>, <4 x i32>* %23
%24 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 44
%25 = bitcast i32* %24 to <4 x i32>*
store <4 x i32> <i32 44, i32 45, i32 46, i32 47>, <4 x i32>* %25
%26 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 48
%27 = bitcast i32* %26 to <4 x i32>*
store <4 x i32> <i32 48, i32 49, i32 50, i32 51>, <4 x i32>* %27
%28 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 52
%29 = bitcast i32* %28 to <4 x i32>*
store <4 x i32> <i32 52, i32 53, i32 54, i32 55>, <4 x i32>* %29
%30 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 56
%31 = bitcast i32* %30 to <4 x i32>*
store <4 x i32> <i32 56, i32 57, i32 58, i32 59>, <4 x i32>* %31
%32 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 60
%33 = bitcast i32* %32 to <4 x i32>*
store <4 x i32> <i32 60, i32 61, i32 62, i32 63>, <4 x i32>* %33
%34 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 64
%35 = bitcast i32* %34 to <4 x i32>*
store <4 x i32> <i32 64, i32 65, i32 66, i32 67>, <4 x i32>* %35
%36 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 68
%37 = bitcast i32* %36 to <4 x i32>*
store <4 x i32> <i32 68, i32 69, i32 70, i32 71>, <4 x i32>* %37
%38 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 72
%39 = bitcast i32* %38 to <4 x i32>*
store <4 x i32> <i32 72, i32 73, i32 74, i32 75>, <4 x i32>* %39
%40 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 76
%41 = bitcast i32* %40 to <4 x i32>*
store <4 x i32> <i32 76, i32 77, i32 78, i32 79>, <4 x i32>* %41
%42 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 80
%43 = bitcast i32* %42 to <4 x i32>*
store <4 x i32> <i32 80, i32 81, i32 82, i32 83>, <4 x i32>* %43
%44 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 84
%45 = bitcast i32* %44 to <4 x i32>*
store <4 x i32> <i32 84, i32 85, i32 86, i32 87>, <4 x i32>* %45
%46 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 88
%47 = bitcast i32* %46 to <4 x i32>*
store <4 x i32> <i32 88, i32 89, i32 90, i32 91>, <4 x i32>* %47
%48 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 92
%49 = bitcast i32* %48 to <4 x i32>*
store <4 x i32> <i32 92, i32 93, i32 94, i32 95>, <4 x i32>* %49
%50 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 96
%51 = bitcast i32* %50 to <4 x i32>*
store <4 x i32> <i32 96, i32 97, i32 98, i32 99>, <4 x i32>* %51
%52 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 0
%53 = call i32 @sum(i32* %52, i32 100)
%54 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %53)
%55 = call i32 @sumWptr(i32* %52, i32 100)
%56 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %55)
ret i32 0
}