#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 */
void *malloc(int);
char **allocateTwoD(int size) {
  char **state;
  state = malloc(sizeof(char *) * size);
  int ind;
  for (ind = 0; ind < size; ind++) {
    state[ind] = malloc(sizeof(char) * size);
  }
  return state;
}


x86 assembly (clang, -O0):
<allocateTwoD>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
movslq -0x4(%rbp),%rax
shl    $0x3,%rax
mov    %eax,%edi
call   1030 <malloc@plt>
mov    %rax,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    116d <allocateTwoD+0x5d>
movslq -0x4(%rbp),%rax
shl    $0x0,%rax
mov    %eax,%edi
call   1030 <malloc@plt>
mov    %rax,%rdx
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    %rdx,(%rax,%rcx,8)
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1135 <allocateTwoD+0x25>
mov    -0x10(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<allocateTwoD>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %edi,%r14d
lea    0x0(,%r14,8),%edi
call   1030 <malloc@plt>
mov    %rax,%r15
test   %r14d,%r14d
jle    1155 <allocateTwoD+0x45>
mov    %r14d,%r12d
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nop
mov    %r14d,%edi
call   1030 <malloc@plt>
mov    %rax,(%r15,%rbx,8)
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1140 <allocateTwoD+0x30>
mov    %r15,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i8** @allocateTwoD(i32 %0) {
%2 = alloca i32
%3 = alloca i8**
%4 = alloca i32
store i32 %0, i32* %2
%5 = load i32, i32* %2
%6 = sext i32 %5 to i64
%7 = mul i64 8, %6
%8 = trunc i64 %7 to i32
%9 = call i8* @malloc(i32 %8)
%10 = bitcast i8* %9 to i8**
store i8** %10, i8*** %3
store i32 0, i32* %4
br label %11
11: ; preds = %25, %1
%12 = load i32, i32* %4
%13 = load i32, i32* %2
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %28
15: ; preds = %11
%16 = load i32, i32* %2
%17 = sext i32 %16 to i64
%18 = mul i64 1, %17
%19 = trunc i64 %18 to i32
%20 = call i8* @malloc(i32 %19)
%21 = load i8**, i8*** %3
%22 = load i32, i32* %4
%23 = sext i32 %22 to i64
%24 = getelementptr inbounds i8*, i8** %21, i64 %23
store i8* %20, i8** %24
br label %25
25: ; preds = %15
%26 = load i32, i32* %4
%27 = add nsw i32 %26, 1
store i32 %27, i32* %4
br label %11
28: ; preds = %11
%29 = load i8**, i8*** %3
ret i8** %29
}

LLVM IR (-O2):
define noalias i8** @allocateTwoD(i32 %0) {
%2 = shl i32 %0, 3
%3 = tail call i8* @malloc(i32 %2)
%4 = bitcast i8* %3 to i8**
%5 = icmp sgt i32 %0, 0
br i1 %5, label %6, label %14
6: ; preds = %1
%7 = zext i32 %0 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ 0, %6 ], [ %12, %8 ]
%10 = tail call i8* @malloc(i32 %0)
%11 = getelementptr inbounds i8*, i8** %4, i64 %9
store i8* %10, i8** %11
%12 = add nuw nsw i64 %9, 1
%13 = icmp eq i64 %12, %7
br i1 %13, label %14, label %8
14: ; preds = %8, %1
ret i8** %4
}