void free_double_array(double ***array, int dim1, int dim2) {
  int i, j;
  for (i = 0; i < dim1; i++)
    for (j = 0; j < dim2; j++)
      free(array[i][j]);
  for (i = 0; i < dim1; i++)
    free(array[i]);
  free(array);
  return;
}


x86 assembly (clang, -O0):
<free_double_array>:
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    1182 <free_double_array+0x72>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    116f <free_double_array+0x5f>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1030 <free@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <free_double_array+0x2c>
jmp    1174 <free_double_array+0x64>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <free_double_array+0x19>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11b4 <free_double_array+0xa4>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1030 <free@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1189 <free_double_array+0x79>
mov    -0x8(%rbp),%rdi
call   1030 <free@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<free_double_array>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %rdi,%r13
test   %esi,%esi
jle    11a3 <free_double_array+0x93>
mov    %edx,%r15d
mov    %esi,0x4(%rsp)
mov    %esi,%r12d
mov    %edx,%ebp
xor    %ebx,%ebx
jmp    1149 <free_double_array+0x39>
cs nopw 0x0(%rax,%rax,1)
add    $0x1,%rbx
cmp    %r12,%rbx
je     1179 <free_double_array+0x69>
test   %r15d,%r15d
jle    1140 <free_double_array+0x30>
xor    %r14d,%r14d
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    0x0(%r13,%rbx,8),%rax
mov    (%rax,%r14,8),%rdi
call   1030 <free@plt>
add    $0x1,%r14
cmp    %r14,%rbp
jne    1160 <free_double_array+0x50>
jmp    1140 <free_double_array+0x30>
cmpl   $0x0,0x4(%rsp)
jle    11a3 <free_double_array+0x93>
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    0x0(%r13,%rbx,8),%rdi
call   1030 <free@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1190 <free_double_array+0x80>
mov    %r13,%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <free@plt>

LLVM IR (-O0):
define void @free_double_array(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 = %33, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %36
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %29, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %32
18: ; preds = %14
%19 = load double***, double**** %4
%20 = load i32, i32* %7
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds double**, double*** %19, i64 %21
%23 = load double**, double*** %22
%24 = load i32, i32* %8
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds double*, double** %23, i64 %25
%27 = load double*, double** %26
%28 = bitcast double* %27 to i8*
br label %29
29: ; preds = %18
%30 = load i32, i32* %8
%31 = add nsw i32 %30, 1
store i32 %31, i32* %8
br label %14
32: ; preds = %14
br label %33
33: ; preds = %32
%34 = load i32, i32* %7
%35 = add nsw i32 %34, 1
store i32 %35, i32* %7
br label %9
36: ; preds = %9
store i32 0, i32* %7
br label %37
37: ; preds = %48, %36
%38 = load i32, i32* %7
%39 = load i32, i32* %5
%40 = icmp slt i32 %38, %39
br i1 %40, label %41, label %51
41: ; preds = %37
%42 = load double***, double**** %4
%43 = load i32, i32* %7
%44 = sext i32 %43 to i64
%45 = getelementptr inbounds double**, double*** %42, i64 %44
%46 = load double**, double*** %45
%47 = bitcast double** %46 to i8*
br label %48
48: ; preds = %41
%49 = load i32, i32* %7
%50 = add nsw i32 %49, 1
store i32 %50, i32* %7
br label %37
51: ; preds = %37
%52 = load double***, double**** %4
%53 = bitcast double*** %52 to i8*
ret void
}

LLVM IR (-O2):
define void @free_double_array(double*** nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %34
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, %24
%10 = phi i64 [ 0, %5 ], [ %25, %24 ]
br i1 %6, label %11, label %24
11: ; preds = %9
%12 = getelementptr inbounds double**, double*** %0, i64 %10
br label %16
13: ; preds = %24
br i1 %4, label %14, label %34
14: ; preds = %13
%15 = zext i32 %1 to i64
br label %27
16: ; preds = %11, %16
%17 = phi i64 [ 0, %11 ], [ %22, %16 ]
%18 = load double**, double*** %12
%19 = getelementptr inbounds double*, double** %18, i64 %17
%20 = bitcast double** %19 to i8**
%21 = load i8*, i8** %20
tail call void @free(i8* %21)
%22 = add nuw nsw i64 %17, 1
%23 = icmp eq i64 %22, %8
br i1 %23, label %24, label %16
24: ; preds = %16, %9
%25 = add nuw nsw i64 %10, 1
%26 = icmp eq i64 %25, %7
br i1 %26, label %13, label %9
27: ; preds = %14, %27
%28 = phi i64 [ 0, %14 ], [ %32, %27 ]
%29 = getelementptr inbounds double**, double*** %0, i64 %28
%30 = bitcast double*** %29 to i8**
%31 = load i8*, i8** %30
tail call void @free(i8* %31)
%32 = add nuw nsw i64 %28, 1
%33 = icmp eq i64 %32, %15
br i1 %33, label %34, label %27
34: ; preds = %27, %3, %13
%35 = bitcast double*** %0 to i8*
tail call void @free(i8* %35)
ret void
}