#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 *getRow(int, int *);
int *malloc(int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, const char *argv[]) {
  printf("Hello, World!\n");
  int row = 4;
  int *size = malloc(sizeof(int) * row);
  int *res = getRow(row - 1, size);
  for (int i = 0; i < row; i++) {
    printf("%d ", res[i]);
  }
  printf("\n");
  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)
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x4,-0x14(%rbp)
movslq -0x14(%rbp),%rax
shl    $0x2,%rax
mov    %eax,%edi
call   1040 <malloc@plt>
mov    %rax,-0x20(%rbp)
mov    -0x14(%rbp),%edi
sub    $0x1,%edi
mov    -0x20(%rbp),%rsi
call   1050 <getRow@plt>
mov    %rax,-0x28(%rbp)
movl   $0x0,-0x2c(%rbp)
mov    -0x2c(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    11bb <main+0x8b>
mov    -0x28(%rbp),%rax
movslq -0x2c(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe69(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    1188 <main+0x58>
lea    0xe4b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xea9(%rip),%rdi
call   1040 <puts@plt>
mov    $0x10,%edi
call   1060 <malloc@plt>
mov    $0x3,%edi
mov    %rax,%rsi
call   1070 <getRow@plt>
mov    %rax,%rbx
mov    (%rax),%esi
lea    0xe7d(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x8(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0xc(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [15 x i8] c"Hello, World!\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca 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 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
store i32 4, i32* %6
%11 = load i32, i32* %6
%12 = sext i32 %11 to i64
%13 = mul i64 4, %12
%14 = trunc i64 %13 to i32
%15 = call i32* @malloc(i32 %14)
store i32* %15, i32** %7
%16 = load i32, i32* %6
%17 = sub nsw i32 %16, 1
%18 = load i32*, i32** %7
%19 = call i32* @getRow(i32 %17, i32* %18)
store i32* %19, i32** %8
store i32 0, i32* %9
br label %20
20: ; preds = %31, %2
%21 = load i32, i32* %9
%22 = load i32, i32* %6
%23 = icmp slt i32 %21, %22
br i1 %23, label %24, label %34
24: ; preds = %20
%25 = load i32*, i32** %8
%26 = load i32, i32* %9
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds i32, i32* %25, i64 %27
%29 = load i32, i32* %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %24
%32 = load i32, i32* %9
%33 = add nsw i32 %32, 1
store i32 %33, i32* %9
br label %20
34: ; preds = %20
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [4 x i8] c"%d \00"
@str = [14 x i8] c"Hello, World!\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
%4 = tail call i32* @malloc(i32 16)
%5 = tail call i32* @getRow(i32 3, i32* %4)
%6 = load i32, i32* %5
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %6)
%8 = getelementptr inbounds i32, i32* %5, i64 1
%9 = load i32, i32* %8
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i32, i32* %5, i64 2
%12 = load i32, i32* %11
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds i32, i32* %5, i64 3
%15 = load i32, i32* %14
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %15)
%17 = tail call i32 @putchar(i32 10)
ret i32 0
}