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#include <torch/csrc/jit/tensorexpr/hash_provider.h>
#include <torch/csrc/jit/tensorexpr/ir_simplifier.h>
#include <c10/util/irange.h>
namespace torch::jit::tensorexpr {
bool SimplifierHashType::operator==(const SimplifierHashType& other) const {
return _h == other._h;
}
bool SimplifierHashType::operator!=(const SimplifierHashType& other) const {
return _h != other._h;
}
bool SimplifierHashType::operator<(const SimplifierHashType& other) const {
return _h < other._h;
}
bool SimplifierHashType::operator==(const size_t other) const {
return _h == other;
}
bool SimplifierHashType::operator!=(const size_t other) const {
return _h != other;
}
void HashProvider::visit(const AddPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "+", hashOf(v->rhs())));
}
void HashProvider::visit(const SubPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "-", hashOf(v->rhs())));
}
void HashProvider::visit(const MulPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "*", hashOf(v->rhs())));
}
void HashProvider::visit(const DivPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "/", hashOf(v->rhs())));
}
void HashProvider::visit(const ModPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "%", hashOf(v->rhs())));
}
void HashProvider::visit(const RoundOffPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "rof", hashOf(v->rhs())));
}
void HashProvider::visit(const MaxPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "Mx", hashOf(v->rhs())));
}
void HashProvider::visit(const MinPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "Mn", hashOf(v->rhs())));
}
void HashProvider::visit(const AndPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "&", hashOf(v->rhs())));
}
void HashProvider::visit(const OrPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "|", hashOf(v->rhs())));
}
void HashProvider::visit(const XorPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "^", hashOf(v->rhs())));
}
void HashProvider::visit(const LshiftPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), "<<", hashOf(v->rhs())));
}
void HashProvider::visit(const RshiftPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
putHash(v, hash_combine(hashOf(v->lhs()), ">>", hashOf(v->rhs())));
}
void HashProvider::visit(const CompareSelectPtr& v) {
CACHE_GUARD();
v->lhs()->accept(this);
v->rhs()->accept(this);
v->ret_val1()->accept(this);
v->ret_val2()->accept(this);
putHash(
v,
hash_combine(
hashOf(v->lhs()),
(int)v->compare_select_op(),
hashOf(v->rhs()),
hashOf(v->ret_val1()),
hashOf(v->ret_val2())));
}
void HashProvider::visit(const CastPtr& v) {
CACHE_GUARD();
v->src_value()->accept(this);
putHash(v, hash_combine("cast", v->dtype(), hashOf(v->src_value())));
}
void HashProvider::visit(const VarPtr& v) {
CACHE_GUARD();
putHash(v, hash_combine("var", name_manager_.get_unique_name(v)));
}
void HashProvider::visit(const RampPtr& v) {
CACHE_GUARD();
v->base()->accept(this);
v->stride()->accept(this);
putHash(
v,
hash_combine("ramp", hashOf(v->base()), hashOf(v->stride()), v->lanes()));
}
void HashProvider::visit(const LoadPtr& v) {
CACHE_GUARD();
v->base_handle()->accept(this);
SimplifierHashType indices_hash;
for (const ExprPtr& ind : v->indices()) {
ind->accept(this);
indices_hash = hash_combine(indices_hash, hashOf(ind));
}
putHash(v, hash_combine("load", hashOf(v->base_handle()), indices_hash));
}
void HashProvider::visit(const StorePtr& v) {
CACHE_GUARD();
v->base_handle()->accept(this);
SimplifierHashType indices_hash;
for (const ExprPtr& ind : v->indices()) {
ind->accept(this);
indices_hash = hash_combine(indices_hash, hashOf(ind));
}
v->value()->accept(this);
putHash(
v,
hash_combine(
"store", hashOf(v->base_handle()), indices_hash, hashOf(v->value())));
}
void HashProvider::visit(const BlockPtr& v) {
CACHE_GUARD();
SimplifierHashType hash;
for (const StmtPtr& s : *v) {
s->accept(this);
hash = hash_combine(hash, hashOf(s));
}
putHash(v, hash);
}
void HashProvider::visit(const ForPtr& v) {
CACHE_GUARD();
v->var()->accept(this);
v->start()->accept(this);
v->stop()->accept(this);
SimplifierHashType hash = hash_combine(
"for", hashOf(v->var()), hashOf(v->start()), hashOf(v->stop()));
hash = hash_combine(hash, v->loop_options().ToString());
if (v->body()) {
v->body()->accept(this);
hash = hash_combine(hash, hashOf(v->body()));
}
putHash(v, hash);
}
void HashProvider::visit(const BroadcastPtr& v) {
CACHE_GUARD();
v->value()->accept(this);
putHash(v, hash_combine("broadcast", hashOf(v->value()), v->lanes()));
}
void HashProvider::visit(const IfThenElsePtr& v) {
CACHE_GUARD();
v->condition()->accept(this);
v->true_value()->accept(this);
v->false_value()->accept(this);
putHash(
v,
hash_combine(
"ifthenelse",
hashOf(v->condition()),
hashOf(v->true_value()),
hashOf(v->false_value())));
}
void HashProvider::visit(const IntrinsicsPtr& v) {
CACHE_GUARD();
// calls to rand are not symbolic and have a different value each time, they
// should not hash to anything and this is the best we can do.
if (v->op_type() == kRand) {
// NOLINTNEXTLINE(clang-analyzer-security.insecureAPI.rand)
putHash(v, (SimplifierHashType)rand());
return;
}
SimplifierHashType hash(te_hash(v->func_name()));
for (const auto i : c10::irange(v->nparams())) {
v->param(i)->accept(this);
hash = hash_combine(hash, hashOf(v->param(i)));
}
putHash(v, hash);
}
void HashProvider::visit(const AllocatePtr& v) {
CACHE_GUARD();
VarPtr buffer_var = v->buffer_var();
buffer_var->accept(this);
SimplifierHashType hash =
hash_combine("allocate", hashOf(buffer_var), v->dtype());
std::vector<ExprPtr> dims = v->dims();
for (const ExprPtr& dim : dims) {
dim->accept(this);
hash = hash_combine(hash, hashOf(dim));
}
putHash(v, hash);
}
void HashProvider::visit(const FreePtr& v) {
CACHE_GUARD();
VarPtr buffer_var = v->buffer_var();
buffer_var->accept(this);
putHash(v, hash_combine("free", hashOf(buffer_var)));
}
void HashProvider::visit(const CondPtr& v) {
CACHE_GUARD();
ExprPtr condition = v->condition();
StmtPtr true_stmt = v->true_stmt();
StmtPtr false_stmt = v->false_stmt();
condition->accept(this);
SimplifierHashType hash = hash_combine("cond", hashOf(condition));
if (true_stmt) {
true_stmt->accept(this);
hash = hash_combine(hash, hashOf(true_stmt));
}
if (false_stmt) {
false_stmt->accept(this);
hash = hash_combine(hash, hashOf(false_stmt));
}
putHash(v, hash);
}
void HashProvider::visit(const TermPtr& v) {
CACHE_GUARD();
v->scalar()->accept(this);
SimplifierHashType hash = hash_combine("term", hashOf(v->scalar()));
for (const auto& c : v->variables()) {
c->accept(this);
hash = hash_combine(hash, hashOf(c));
}
putHash(v, hash);
}
void HashProvider::visit(const PolynomialPtr& v) {
CACHE_GUARD();
v->scalar()->accept(this);
SimplifierHashType hash = hash_combine("term", hashOf(v->scalar()));
for (const auto& c : v->variables()) {
c->accept(this);
hash = hash_combine(hash, hashOf(c));
}
putHash(v, hash);
}
void HashProvider::visit(const MaxTermPtr& v) {
CACHE_GUARD();
SimplifierHashType hash = hash_combine("maxterm");
if (v->scalar()) {
v->scalar()->accept(this);
hash = hash_combine(hash, hashOf(v->scalar()));
}
for (const auto& c : v->variables()) {
c->accept(this);
hash = hash_combine(hash, hashOf(c));
}
putHash(v, hash);
}
void HashProvider::visit(const MinTermPtr& v) {
CACHE_GUARD();
SimplifierHashType hash = hash_combine("minterm");
if (v->scalar()) {
v->scalar()->accept(this);
hash = hash_combine(hash, hashOf(v->scalar()));
}
for (const auto& c : v->variables()) {
c->accept(this);
hash = hash_combine(hash, hashOf(c));
}
putHash(v, hash);
}
} // namespace torch::jit::tensorexpr
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