#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*/ free(int *);
int /*<<< orphan*/ printf(char *, int);
int *productExceptSelf(int *, int, int *);
int main(int argc, char *argv[]) {
  int a[] = {1, 2, 3, 4};
  int len, i;
  int *res = productExceptSelf(a, 4, &len);
  for (i = 0; i < len; i++) {
    printf("%d ", res[i]);
  }
  free(res);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    0xeb3(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xeb0(%rip),%rax
mov    %rax,-0x18(%rbp)
lea    -0x20(%rbp),%rdi
mov    $0x4,%esi
lea    -0x24(%rbp),%rdx
call   1050 <productExceptSelf@plt>
mov    %rax,-0x30(%rbp)
movl   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%eax
cmp    -0x24(%rbp),%eax
jge    11aa <main+0x7a>
mov    -0x30(%rbp),%rax
movslq -0x28(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe79(%rip),%rdi
call   1040 <printf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    1179 <main+0x49>
mov    -0x30(%rbp),%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x20,%rsp
movaps 0xec0(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
lea    0x10(%rsp),%rdi
lea    0xc(%rsp),%rdx
mov    $0x4,%esi
call   1050 <productExceptSelf@plt>
mov    %rax,%r15
cmpl   $0x0,0xc(%rsp)
jle    118a <main+0x5a>
xor    %ebx,%ebx
lea    0xea4(%rip),%r14
nopl   0x0(%rax)
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
call   1040 <printf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rax
cmp    %rax,%rbx
jl     1170 <main+0x40>
mov    %r15,%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@__const.main.a = [4 x i32] [i32 1, i32 2, i32 3, i32 4]
@.str = [4 x i8] c"%d \00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [4 x i32]
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = bitcast [4 x i32]* %6 to i8*
%11 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 0
%12 = call i32* @productExceptSelf(i32* %11, i32 4, i32* %7)
store i32* %12, i32** %9
store i32 0, i32* %8
br label %13
13: ; preds = %24, %2
%14 = load i32, i32* %8
%15 = load i32, i32* %7
%16 = icmp slt i32 %14, %15
br i1 %16, label %17, label %27
17: ; preds = %13
%18 = load i32*, i32** %9
%19 = load i32, i32* %8
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds i32, i32* %18, i64 %20
%22 = load i32, i32* %21
%23 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %22)
br label %24
24: ; preds = %17
%25 = load i32, i32* %8
%26 = add nsw i32 %25, 1
store i32 %26, i32* %8
br label %13
27: ; preds = %13
%28 = load i32*, i32** %9
%29 = call i32 @free(i32* %28)
ret i32 0
}

LLVM IR (-O2):
@__const.main.a = [4 x i32] [i32 1, i32 2, i32 3, i32 4]
@.str = [4 x i8] c"%d \00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [4 x i32]
%4 = alloca i32
%5 = bitcast [4 x i32]* %3 to i8*
%6 = bitcast i32* %4 to i8*
%7 = getelementptr inbounds [4 x i32], [4 x i32]* %3, i64 0, i64 0
%8 = call i32* @productExceptSelf(i32* %7, i32 4, i32* %4)
%9 = load i32, i32* %4
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %20
11: ; preds = %2, %11
%12 = phi i64 [ %16, %11 ], [ 0, %2 ]
%13 = getelementptr inbounds i32, i32* %8, i64 %12
%14 = load i32, i32* %13
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = add nuw nsw i64 %12, 1
%17 = load i32, i32* %4
%18 = sext i32 %17 to i64
%19 = icmp slt i64 %16, %18
br i1 %19, label %11, label %20
20: ; preds = %11, %2
%21 = call i32 @free(i32* %8)
ret i32 0
}