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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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44
src/include/midend/IRBuilder.h
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@@ -239,15 +239,14 @@ class IRBuilder {
block->getInstructions().emplace(position, inst);
return inst;
} ///< 创建return指令
UncondBrInst * createUncondBrInst(BasicBlock *thenBlock, const std::vector<Value *> &args = {}) {
auto inst = new UncondBrInst(thenBlock, args, block);
UncondBrInst * createUncondBrInst(BasicBlock *thenBlock) {
auto inst = new UncondBrInst(thenBlock, block);
assert(inst);
block->getInstructions().emplace(position, inst);
return inst;
} ///< 创建无条件指令
CondBrInst * createCondBrInst(Value *condition, BasicBlock *thenBlock, BasicBlock *elseBlock,
const std::vector<Value *> &thenArgs = {}, const std::vector<Value *> &elseArgs = {}) {
auto inst = new CondBrInst(condition, thenBlock, elseBlock, thenArgs, elseArgs, block);
CondBrInst * createCondBrInst(Value *condition, BasicBlock *thenBlock, BasicBlock *elseBlock) {
auto inst = new CondBrInst(condition, thenBlock, elseBlock, block);
assert(inst);
block->getInstructions().emplace(position, inst);
return inst;
@@ -258,18 +257,12 @@ class IRBuilder {
block->getInstructions().emplace(position, inst);
return inst;
} ///< 创建不可达指令
AllocaInst * createAllocaInst(Type *type, const std::vector<Value *> &dims = {}, const std::string &name = "") {
auto inst = new AllocaInst(type, dims, block, name);
AllocaInst * createAllocaInst(Type *type, const std::string &name = "") {
auto inst = new AllocaInst(type, block, name);
assert(inst);
block->getInstructions().emplace(position, inst);
return inst;
} ///< 创建分配指令
AllocaInst * createAllocaInstWithoutInsert(Type *type, const std::vector<Value *> &dims = {}, BasicBlock *parent = nullptr,
const std::string &name = "") {
auto inst = new AllocaInst(type, dims, parent, name);
assert(inst);
return inst;
} ///< 创建不插入指令列表的分配指令[仅用于phi指令]
LoadInst * createLoadInst(Value *pointer, const std::vector<Value *> &indices = {}, const std::string &name = "") {
std::string newName;
if (name.empty()) {
@@ -281,7 +274,7 @@ class IRBuilder {
newName = name;
}
auto inst = new LoadInst(pointer, indices, block, newName);
auto inst = new LoadInst(pointer, block, newName);
assert(inst);
block->getInstructions().emplace(position, inst);
return inst;
@@ -292,9 +285,8 @@ class IRBuilder {
block->getInstructions().emplace(position, inst);
return inst;
} ///< 创建memset指令
StoreInst * createStoreInst(Value *value, Value *pointer, const std::vector<Value *> &indices = {},
const std::string &name = "") {
auto inst = new StoreInst(value, pointer, indices, block, name);
StoreInst * createStoreInst(Value *value, Value *pointer, const std::string &name = "") {
auto inst = new StoreInst(value, pointer, block, name);
assert(inst);
block->getInstructions().emplace(position, inst);
return inst;
@@ -314,24 +306,6 @@ class IRBuilder {
block->getInstructions().emplace(block->begin(), inst);
return inst;
} ///< 创建Phi指令
// GetElementPtrInst* createGetElementPtrInst(Value *basePointer,
// const std::vector<Value *> &indices = {},
// const std::string &name = "") {
// std::string newName;
// if (name.empty()) {
// std::stringstream ss;
// ss << tmpIndex;
// newName = ss.str();
// tmpIndex++;
// } else {
// newName = name;
// }
// auto inst = new GetElementPtrInst(basePointer, indices, block, newName);
// assert(inst);
// block->getInstructions().emplace(position, inst);
// return inst;
// }
/**
* @brief 根据 LLVM 设计模式创建 GEP 指令。
* 它会自动推断返回类型，无需手动指定。