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replacer.cpp
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replacer.cpp
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// Copyright (C) 2022-2024 Exaloop Inc. <https://exaloop.io>
#include "replacer.h"
#include <unordered_set>
#include "codon/cir/types/types.h"
#include "codon/cir/value.h"
#include "codon/cir/var.h"
namespace codon {
namespace ir {
namespace transform {
namespace cleanup {
const std::string ReplaceCleanupPass::KEY = "core-cleanup-physical-replace";
void ReplaceCleanupPass::run(Module *module) {
std::unordered_set<Value *> valuesToDelete;
std::unordered_set<types::Type *> typesToDelete;
std::unordered_set<Var *> varsToDelete;
{
auto *f = module->getMainFunc();
for (auto *c : f->getUsedValues()) {
if (c->hasReplacement()) {
f->replaceUsedValue(c, c->getActual());
valuesToDelete.insert(c);
}
}
for (auto *t : f->getUsedTypes()) {
if (t->hasReplacement()) {
f->replaceUsedType(t, t->getActual());
typesToDelete.insert(t);
}
}
for (auto *v : f->getUsedVariables()) {
if (v->hasReplacement()) {
f->replaceUsedVariable(v, v->getActual());
varsToDelete.insert(v);
}
}
}
{
auto *v = module->getArgVar();
for (auto *c : v->getUsedValues()) {
if (c->hasReplacement()) {
v->replaceUsedValue(c, c->getActual());
valuesToDelete.insert(c);
}
}
for (auto *t : v->getUsedTypes()) {
if (t->hasReplacement()) {
v->replaceUsedType(t, t->getActual());
typesToDelete.insert(t);
}
}
for (auto *v2 : v->getUsedVariables()) {
if (v2->hasReplacement()) {
v->replaceUsedVariable(v2, v2->getActual());
varsToDelete.insert(v2);
}
}
}
for (auto it = module->values_begin(); it != module->values_end(); ++it) {
for (auto *c : it->getUsedValues()) {
if (c->hasReplacement()) {
it->replaceUsedValue(c, c->getActual());
valuesToDelete.insert(c);
}
}
for (auto *t : it->getUsedTypes()) {
if (t->hasReplacement()) {
it->replaceUsedType(t, t->getActual());
typesToDelete.insert(t);
}
}
for (auto *v : it->getUsedVariables()) {
if (v->hasReplacement()) {
it->replaceUsedVariable(v, v->getActual());
varsToDelete.insert(v);
}
}
}
for (auto it = module->begin(); it != module->end(); ++it) {
for (auto *c : it->getUsedValues()) {
if (c->hasReplacement()) {
it->replaceUsedValue(c, c->getActual());
valuesToDelete.insert(c);
}
}
for (auto *t : it->getUsedTypes()) {
if (t->hasReplacement()) {
it->replaceUsedType(t, t->getActual());
typesToDelete.insert(t);
}
}
for (auto *v : it->getUsedVariables()) {
if (v->hasReplacement()) {
it->replaceUsedVariable(v, v->getActual());
varsToDelete.insert(v);
}
}
}
for (auto it = module->types_begin(); it != module->types_end(); ++it) {
for (auto *c : it->getUsedValues()) {
if (c->hasReplacement()) {
it->replaceUsedValue(c, c->getActual());
valuesToDelete.insert(c);
}
}
for (auto *t : it->getUsedTypes()) {
if (t->hasReplacement()) {
it->replaceUsedType(t, t->getActual());
typesToDelete.insert(t);
}
}
for (auto *v : it->getUsedVariables()) {
if (v->hasReplacement()) {
it->replaceUsedVariable(v, v->getActual());
varsToDelete.insert(v);
}
}
}
for (auto *v : valuesToDelete)
module->remove(v);
for (auto *v : varsToDelete)
module->remove(v);
for (auto *t : typesToDelete)
module->remove(t);
}
} // namespace cleanup
} // namespace transform
} // namespace ir
} // namespace codon