#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 rand();
void init2D(double **a, int X, int Y) {
  int i, j;
  for (i = 0; i < X; i++)
    for (j = 0; j < Y; j++)
      a[i][j] = (rand() % 100000) / 10000.0;
}


x86 assembly (clang, -O0):
<init2D>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    119d <init2D+0x8d>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    118a <init2D+0x7a>
mov    $0x0,%al
call   1030 <rand@plt>
mov    $0x186a0,%ecx
cltd
idiv   %ecx
cvtsi2sd %edx,%xmm0
movsd  0xe9d(%rip),%xmm1
divsd  %xmm1,%xmm0
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <init2D+0x2c>
jmp    118f <init2D+0x7f>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <init2D+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<init2D>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %esi,%esi
jle    118c <init2D+0x7c>
mov    %edx,%r14d
mov    %rdi,%r12
mov    %esi,%r15d
mov    %edx,%r13d
xor    %ebx,%ebx
jmp    1139 <init2D+0x29>
nop
add    $0x1,%rbx
cmp    %r15,%rbx
je     118c <init2D+0x7c>
test   %r14d,%r14d
jle    1130 <init2D+0x20>
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <rand@plt>
movsd  0xeb1(%rip),%xmm1
cltq
imul   $0x14f8b589,%rax,%rcx
mov    %rcx,%rdx
shr    $0x3f,%rdx
sar    $0x2d,%rcx
add    %edx,%ecx
imul   $0x186a0,%ecx,%ecx
sub    %ecx,%eax
xorps  %xmm0,%xmm0
cvtsi2sd %eax,%xmm0
divsd  %xmm1,%xmm0
mov    (%r12,%rbx,8),%rax
movsd  %xmm0,(%rax,%rbp,8)
add    $0x1,%rbp
cmp    %rbp,%r13
jne    1140 <init2D+0x30>
jmp    1130 <init2D+0x20>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @init2D(double** %0, i32 %1, i32 %2) {
%4 = alloca double**
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store double** %0, double*** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %35, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %38
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %31, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %34
18: ; preds = %14
%19 = call i32 (...) @rand()
%20 = srem i32 %19, 100000
%21 = sitofp i32 %20 to double
%22 = fdiv double %21, 1.000000e+04
%23 = load double**, double*** %4
%24 = load i32, i32* %7
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds double*, double** %23, i64 %25
%27 = load double*, double** %26
%28 = load i32, i32* %8
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds double, double* %27, i64 %29
store double %22, double* %30
br label %31
31: ; preds = %18
%32 = load i32, i32* %8
%33 = add nsw i32 %32, 1
store i32 %33, i32* %8
br label %14
34: ; preds = %14
br label %35
35: ; preds = %34
%36 = load i32, i32* %7
%37 = add nsw i32 %36, 1
store i32 %37, i32* %7
br label %9
38: ; preds = %9
ret void
}

LLVM IR (-O2):
define void @init2D(double** nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %26
5: ; preds = %3
%6 = icmp sgt i32 %2, 0
%7 = zext i32 %1 to i64
%8 = zext i32 %2 to i64
br label %9
9: ; preds = %5, %23
%10 = phi i64 [ 0, %5 ], [ %24, %23 ]
br i1 %6, label %11, label %23
11: ; preds = %9
%12 = getelementptr inbounds double*, double** %0, i64 %10
br label %13
13: ; preds = %11, %13
%14 = phi i64 [ 0, %11 ], [ %21, %13 ]
%15 = tail call i32 (...) @rand()
%16 = srem i32 %15, 100000
%17 = sitofp i32 %16 to double
%18 = fdiv double %17, 1.000000e+04
%19 = load double*, double** %12
%20 = getelementptr inbounds double, double* %19, i64 %14
store double %18, double* %20
%21 = add nuw nsw i64 %14, 1
%22 = icmp eq i64 %21, %8
br i1 %22, label %23, label %13
23: ; preds = %13, %9
%24 = add nuw nsw i64 %10, 1
%25 = icmp eq i64 %24, %7
br i1 %25, label %26, label %9
26: ; preds = %23, %3
ret void
}