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[midend]消除冗余维度信息记录，适配IR生成器，TODO：其他优化遍生成指令修改，或者后端的访问

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This commit is contained in:
rain2133
2025-07-31 19:36:39 +08:00
parent de0f8422e9
commit f3f603a032
4 changed files with 66 additions and 118 deletions
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28
src/midend/IR.cpp
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@@ -227,9 +227,10 @@ Function * Function::clone(const std::string &suffix) const {
auto oldAllocInst = dynamic_cast<AllocaInst *>(value);
if (oldAllocInst != nullptr) {
std::vector<Value *> dims;
for (const auto &dim : oldAllocInst->getDims()) {
dims.emplace_back(dim->getValue());
}
// TODO: 这里的dims用type推断
// for (const auto &dim : oldAllocInst->getDims()) {
// dims.emplace_back(dim->getValue());
// }
ss << oldAllocInst->getName() << suffix;
auto newAllocInst =
new AllocaInst(oldAllocInst->getType(), dims, oldNewBlockMap.at(oldAllocInst->getParent()), ss.str());
@@ -252,9 +253,10 @@ Function * Function::clone(const std::string &suffix) const {
if (oldNewValueMap.find(inst.get()) == oldNewValueMap.end()) {
auto oldAllocInst = dynamic_cast<AllocaInst *>(inst.get());
std::vector<Value *> dims;
for (const auto &dim : oldAllocInst->getDims()) {
dims.emplace_back(dim->getValue());
}
// TODO: 这里的dims用type推断
// for (const auto &dim : oldAllocInst->getDims()) {
// dims.emplace_back(dim->getValue());
// }
ss << oldAllocInst->getName() << suffix;
auto newAllocInst =
new AllocaInst(oldAllocInst->getType(), dims, oldNewBlockMap.at(oldAllocInst->getParent()), ss.str());
@@ -422,7 +424,7 @@ Function * Function::clone(const std::string &suffix) const {
Value *newCond;
newCond = oldNewValueMap.at(oldCond);
auto newCondBrInst = new CondBrInst(newCond, oldNewBlockMap.at(oldCondBrInst->getThenBlock()),
oldNewBlockMap.at(oldCondBrInst->getElseBlock()), {}, {},
oldNewBlockMap.at(oldCondBrInst->getElseBlock()),
oldNewBlockMap.at(oldCondBrInst->getParent()));
oldNewValueMap.emplace(oldCondBrInst, newCondBrInst);
break;
@@ -431,7 +433,7 @@ Function * Function::clone(const std::string &suffix) const {
case Instruction::kBr: {
auto oldBrInst = dynamic_cast<UncondBrInst *>(inst);
auto newBrInst =
new UncondBrInst(oldNewBlockMap.at(oldBrInst->getBlock()), {}, oldNewBlockMap.at(oldBrInst->getParent()));
new UncondBrInst(oldNewBlockMap.at(oldBrInst->getBlock()), oldNewBlockMap.at(oldBrInst->getParent()));
oldNewValueMap.emplace(oldBrInst, newBrInst);
break;
}
@@ -464,7 +466,8 @@ Function * Function::clone(const std::string &suffix) const {
newIndices.emplace_back(oldNewValueMap.at(index->getValue()));
}
ss << oldLoadInst->getName() << suffix;
auto newLoadInst = new LoadInst(newPointer, newIndices, oldNewBlockMap.at(oldLoadInst->getParent()), ss.str());
// TODO : 这里的newLoadInst的类型需要根据oldLoadInst的类型来推断
auto newLoadInst = new LoadInst(newPointer, oldNewBlockMap.at(oldLoadInst->getParent()), ss.str());
ss.str("");
oldNewValueMap.emplace(oldLoadInst, newLoadInst);
break;
@@ -479,9 +482,10 @@ Function * Function::clone(const std::string &suffix) const {
std::vector<Value *> newIndices;
newPointer = oldNewValueMap.at(oldPointer);
newValue = oldNewValueMap.at(oldValue);
for (const auto &index : oldStoreInst->getIndices()) {
newIndices.emplace_back(oldNewValueMap.at(index->getValue()));
}
// TODO: 这里的newIndices需要根据oldStoreInst的类型来推断
// for (const auto &index : oldStoreInst->getIndices()) {
// newIndices.emplace_back(oldNewValueMap.at(index->getValue()));
// }
auto newStoreInst = new StoreInst(newValue, newPointer, newIndices,
oldNewBlockMap.at(oldStoreInst->getParent()), oldStoreInst->getName());
oldNewValueMap.emplace(oldStoreInst, newStoreInst);