Function can_reuse_memory

subprojects/llama.cpp/tests/test-alloc.cpp:205–225

}

static bool can_reuse_memory(ggml_cgraph * graph, int current_i, ggml_tensor * current, ggml_tensor * other) {
    if (other->flags & GGML_TENSOR_FLAG_OUTPUT) {
        return false;
    }
    // Check if `other` is still "alive", ie. an input to any node after the `current` op
    for (int i = current_i; i < ggml_graph_n_nodes(graph); ++i) {
        ggml_tensor * t = ggml_graph_node(graph, i);
        for (int s = 0; s < GGML_MAX_SRC; s++) {
            if (t == current && ggml_op_can_inplace(t->op)) {
                continue;
            }
            if (t->src[s] == other) {
                return false;
            }
            if (t->src[s] && t->src[s]->view_src == other) {
                return false;
            }
        }
    }
    return true;
}

static bool memory_overlap(ggml_tensor * a, ggml_tensor * b) {
    if (a->buffer != b->buffer) {