Finish global high dim

Student/task3/test/29_high_dim_array.out

@@ -0,0 +1 @@
+0

Student/task3/test/29_high_dim_array.sy

@@ -0,0 +1,7 @@
+int a[5][2] = {1,{2,3},{4},{5,6,7}};
+int b[5][2] = {{1,0},{2,3},{4,0},{5,6},{7,0}};
+int main(){
+	int i = a[3][1];
+	int j = b[3][1];
+    return (i-j);
+}

Student/task3/test/30_high_dim_array_local.out

@@ -0,0 +1 @@
+0

Student/task3/test/30_high_dim_array_local.sy

@@ -0,0 +1,7 @@
+int main(){
+    int a[5][2] = {1,{2,3},{4},{5,6,7}};
+    int b[5][2] = {{1,0},{2,3},{4,0},{5,6},{7,0}};
+	int i = a[3][1];
+	int j = b[3][1];
+    return i - j;
+}

include/AST/SyntaxTree.h

@@ -105,7 +105,6 @@ struct Node
 struct InitVal: Node{
     bool isExp;
     PtrVec<InitVal> elementList;
-    //std::vector<Ptr<InitVal>> elementList;
     Ptr<Expr> expr;
     void accept(Visitor &visitor) final;
 };

include/SysYFIR/GlobalVariable.h

@@ -13,6 +13,8 @@ class GlobalVariable : public User
 {
 private:
     bool is_const_ ;
+    bool is_array_ ;
+    Ptr<std::vector<int>> array_dim_;
     Ptr<Constant> init_val_;
     explicit GlobalVariable(std::string name, Ptr<Module> m, Ptr<Type>  ty, bool is_const, Ptr<Constant> init_val = nullptr);
     void init(std::string name, Ptr<Module> m, Ptr<Type>  ty, bool is_const, Ptr<Constant> init_val = nullptr);
@@ -22,6 +24,15 @@ public:
 
     Ptr<Constant> get_init() { return init_val_; }
     bool is_const() { return is_const_; }
+    bool is_array() { return is_array_; }
+    void set_array(Ptr<std::vector<int>> array_dim) {
+        is_array_ = true;
+        array_dim_ = array_dim;
+    }
+    Ptr<std::vector<int>> get_array_dim() {
+        if (is_array_) return array_dim_;
+        else return nullptr;
+    }
     std::string print();
 };
 

include/SysYFIR/Instruction.h

@@ -344,12 +344,22 @@ class AllocaInst : public Instruction
 private:
     explicit AllocaInst(Ptr<Type> ty, Ptr<BasicBlock> bb);
     void init(Ptr<Type> ty, Ptr<BasicBlock> bb);
+    bool is_array_ ;
+    Ptr<std::vector<int>> array_dim_;
 
 public:
     static Ptr<AllocaInst> create_alloca(Ptr<Type> ty, Ptr<BasicBlock> bb);
 
     Ptr<Type> get_alloca_type() const;
-
+    bool is_array() { return is_array_; }
+    void set_array(Ptr<std::vector<int>> array_dim) {
+        is_array_ = true;
+        array_dim_ = array_dim;
+    }
+    Ptr<std::vector<int>> get_array_dim() {
+        if (is_array_) return array_dim_;
+        else return nullptr;
+    }
     virtual std::string print() override;
 
 private:

include/SysYFIRBuilder/IRBuilder.h

@@ -75,6 +75,8 @@ private:
 class IRBuilder: public SyntaxTree::Visitor
 {
 private:
+    void ArrayInitTraverser(Ptr <SyntaxTree::InitVal> initVal, int depth, int index, Ptr<Type> varType, std::vector<int> arrayDim);
+    void GetArrayInit(Ptr <SyntaxTree::InitVal> initVal, std::vector<int> arrayDim, Ptr <Type> varType, bool global);
     void TypeConvert(Ptr<Value> origin, Ptr<Type> expected);
     void BinaryExprGen(Ptr<Value> lhs, Ptr<Value> rhs, SyntaxTree::BinOp op);
     void BinaryCondExprGen(Ptr<Value> lhs, Ptr<Value> rhs, SyntaxTree::BinaryCondOp op);

src/SysYFIRBuilder/IRBuilder.cpp

@@ -1,4 +1,3 @@
-#include <cassert>
 #include "IRBuilder.h"
 
 namespace SysYF
@@ -27,6 +26,8 @@ Ptr<BasicBlock> retBB;
 Ptr<Value> retAlloca;
 
 Ptr<Value> tmpInst;
+Ptr<ConstantArray> arrayInitializer;
+Ptr<std::vector<Ptr<Constant>>> constArrayInit;
 
 
 // types
@@ -37,6 +38,70 @@ Ptr<Type> FLOAT_T;
 Ptr<Type> INT32PTR_T;
 Ptr<Type> FLOATPTR_T;
 
+void IRBuilder::ArrayInitTraverser(Ptr <SyntaxTree::InitVal> initVal, int depth, int index, Ptr<Type> varType, std::vector<int> arrayDim) {
+    if(initVal->isExp) {
+        initVal->expr->accept(*this);
+        TypeConvert(tmpInst, varType);
+        //set constArrayInit[index] = tmpInst
+        constArrayInit->at(index) = dynamic_pointer_cast<Constant>(tmpInst);
+    } else {
+        for (int i = 0; i < initVal->elementList.size(); i++) {
+            auto tmpIndex = 1;
+            for (int j = depth + 1; j < arrayDim.size(); j++) {
+                tmpIndex *= arrayDim[j];
+            }
+            ArrayInitTraverser(initVal->elementList[i], depth + 1, index + i * tmpIndex, varType, arrayDim);
+        }
+    }
+}
+
+void IRBuilder::GetArrayInit(Ptr <SyntaxTree::InitVal> initVal, std::vector<int> arrayDim, Ptr <Type> varType, bool global = true) {
+    /*
+        arrayInitializer.reset();
+        // 一维数组
+        std::vector<Ptr<Constant>> varInit;
+        for(auto initValPtr : initVal->elementList){
+            initValPtr->expr->accept(*this);
+            TypeConvert(tmpInst, varType);
+            varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
+        }
+        auto arrayLen =  arrayDim[0];
+        auto otherLen = arrayLen - initVal->elementList.size();
+        auto tmpZero = CONST_INT(0);
+        TypeConvert(tmpZero, varType);
+        for (auto i = 0u; i < otherLen; i++) {
+            varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
+        }
+        auto arrayType = varType->get_array_type(varType, arrayLen);
+        arrayInitializer = ConstantArray::create(arrayType, varInit);
+        */
+    auto arraySize = 1;
+    for(auto i : arrayDim){
+        arraySize *= i;
+    }
+    constArrayInit = std::make_shared<std::vector<Ptr<Constant>>>(arraySize);
+    ArrayInitTraverser(initVal, 0, 0, varType, arrayDim);
+    auto arrayType = varType->get_array_type(varType, arraySize);
+    //iterate constArrayInit to get arrayInitializer
+    std::vector<Ptr<Constant>> varInit;
+    for(auto i : *constArrayInit){
+        if (i == nullptr) {
+            Ptr<Constant> tmpZero;
+            if(varType == INT32_T){
+                tmpZero = CONST_INT(0);
+            } else{
+                tmpZero = CONST_FLOAT(0.0);
+            }
+            TypeConvert(tmpZero, varType);
+            varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
+        } else {
+            varInit.push_back(i);
+        }
+    }
+    arrayInitializer = ConstantArray::create(arrayType, varInit);
+
+}
+
 Ptr<Type> GetBaseType(SyntaxTree::Type type){
     switch(type){
         case SyntaxTree::Type::INT:
@@ -62,6 +127,8 @@ Ptr<Type> GetParamType(SyntaxTree::Type type, bool isPtr = false){
         else if(tmpType == FLOAT_T){
             return FLOATPTR_T;
         }
+        else
+            return nullptr;
     }
 }
 
@@ -107,8 +174,7 @@ void IRBuilder::BinaryExprGen(Ptr<Value> lhs, Ptr<Value> rhs, SyntaxTree::BinOp
                 }
                 break;
             case SyntaxTree::BinOp::MODULO:
-                if (isFloat) { ;// not support
+                if (!isFloat) {
-                } else {
                     tmpInst = CONST_INT(lInt % rInt);
                 }
                 break;
@@ -446,11 +512,23 @@ void IRBuilder::visit(SyntaxTree::FuncParam &node) {
 void IRBuilder::visit(SyntaxTree::VarDef &node) {
     // type
     auto varType = GetBaseType(node.btype);
+    std::vector<int> arrayDim;
     Ptr<ArrayType> arrayType;
+    int arraySize = 1;
     if (!node.array_length.empty()) {
-        node.array_length[0]->accept(*this);
+        for (int i = node.array_length.size() - 1; i >= 0; i--) {
-        auto constInt = dynamic_pointer_cast<ConstantInt>(tmpInst);
+            node.array_length[i]->accept(*this);
-        arrayType = ArrayType::create(varType, constInt->get_value());
+            auto constInt = dynamic_pointer_cast<ConstantInt>(tmpInst);
+            if(i == node.array_length.size() - 1) {
+                arraySize = constInt->get_value();
+                arrayDim.push_back(constInt->get_value());
+            } else {
+                arraySize *= constInt->get_value();
+                arrayDim.push_back(constInt->get_value());
+            }
+        }
+        arrayType = ArrayType::create(varType, arraySize);
+        std::reverse(arrayDim.begin(), arrayDim.end());
     }
 
     Ptr<Value> identAlloca;
@@ -461,25 +539,21 @@ void IRBuilder::visit(SyntaxTree::VarDef &node) {
                 identAlloca = GlobalVariable::create(node.name, module, varType, false, zeroInit);
             } else {
                 identAlloca = GlobalVariable::create(node.name, module, arrayType, false, zeroInit);
+                //
+                auto tmpIdent = dynamic_pointer_cast<GlobalVariable>(identAlloca);
+                tmpIdent->set_array(std::make_shared<std::vector<int>>(arrayDim));
+                identAlloca = dynamic_pointer_cast<Value>(tmpIdent);
+                //
             }
         } else {
             if (!node.array_length.empty()) {
-                std::vector<Ptr<Constant>> varInit;
+                GetArrayInit(node.initializers, arrayDim, varType);
-                for (const auto &init : node.initializers->elementList) {
+                identAlloca = GlobalVariable::create(node.name, module, arrayType, node.is_constant, arrayInitializer);
-                    init->accept(*this);
+                //
-                    TypeConvert(tmpInst, varType);
+                auto tmpIdent = dynamic_pointer_cast<GlobalVariable>(identAlloca);
-                    varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
+                tmpIdent->set_array(std::make_shared<std::vector<int>>(arrayDim));
-                }
+                identAlloca = dynamic_pointer_cast<Value>(tmpIdent);
-                auto arrayLen = arrayType->get_num_of_elements();
+                //
-                auto otherLen = arrayLen - node.initializers->elementList.size();
-                auto tmpZero = CONST_INT(0);
-                TypeConvert(tmpZero, varType);
-                for (int i = 0; i < otherLen; i++) {
-                    varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
-                }
-                auto arrayInit = ConstantArray::create(varType->get_array_type(varType, arrayLen), varInit);
-                identAlloca = GlobalVariable::create(node.name, module, arrayType, node.is_constant, arrayInit);
-
             } else {
                 if (node.is_constant) {
                     node.initializers->expr->accept(*this);
@@ -501,7 +575,6 @@ void IRBuilder::visit(SyntaxTree::VarDef &node) {
             node.initializers->expr->accept(*this);
             TypeConvert(tmpInst, varType);
             scope.push(node.name, tmpInst);
-            //builder->create_store(tmpInst, identAlloca);
         } else {
             if (node.array_length.empty()) {
                 identAlloca = builder->create_alloca(varType);
@@ -513,25 +586,19 @@ void IRBuilder::visit(SyntaxTree::VarDef &node) {
                 }
                 return ;
             } else {
-                std::vector<Ptr<Constant>> varInit;
+                GetArrayInit(node.initializers, arrayDim, varType);
-                for (const auto &init : node.initializers->elementList) {
+                //
-                    init->accept(*this);
-                    TypeConvert(tmpInst, varType);
-                    varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
-                }
-                auto otherLen = arrayType->get_num_of_elements() - node.initializers->elementList.size();
-                auto tmpZero = CONST_INT(0);
-                TypeConvert(tmpZero, varType);
-                for (int i = 0; i < otherLen; i++) {
-                    varInit.push_back(dynamic_pointer_cast<Constant>(tmpInst));
-                }
-                auto zeroInit = ConstantZero::create(varType, module);
                 identAlloca = builder->create_alloca(arrayType);
+                auto tmpIdent = dynamic_pointer_cast<AllocaInst>(identAlloca);
+                tmpIdent->set_array(std::make_shared<std::vector<int>>(arrayDim));
+                //
+                identAlloca = dynamic_pointer_cast<Value>(tmpIdent);
                 scope.push(node.name, identAlloca);
-                for (int i = 0; i < varInit.size(); i++) {
+                auto varInit = constArrayInit.get();
+                for (int i = 0u; i < arraySize; i++) {
                     auto index = CONST_INT(i);
                     auto ptr = builder->create_gep(identAlloca, {CONST_INT(0), index});
-                    builder->create_store(varInit[i], ptr);
+                    builder->create_store((*varInit)[i], ptr);
                 }
             }
         }
@@ -542,7 +609,8 @@ void IRBuilder::visit(SyntaxTree::VarDef &node) {
 void IRBuilder::visit(SyntaxTree::LVal &node) {
     auto ident = scope.find(node.name, false);
     if (!node.array_index.empty()) {
-        node.array_index[0]->accept(*this);
+
+        /*node.array_index[0]->accept(*this);
         auto constIndex = dynamic_pointer_cast<ConstantInt>(tmpInst);
         auto globalIdent = dynamic_pointer_cast<GlobalVariable>(ident);
         if(globalIdent != nullptr && globalIdent->is_const() && constIndex != nullptr) {
@@ -551,6 +619,37 @@ void IRBuilder::visit(SyntaxTree::LVal &node) {
         } else {
             tmpInst = builder->create_gep(ident, {CONST_INT(0), tmpInst});
         }
+        */
+        int index = 0;
+        auto globalIdent = dynamic_pointer_cast<GlobalVariable>(ident);
+        auto localIdent = dynamic_pointer_cast<AllocaInst>(ident);
+        Ptr<std::vector<int>> arrayDimPtr;
+        if (globalIdent != nullptr) {
+            arrayDimPtr = globalIdent->get_array_dim();
+        } else if (localIdent != nullptr) {
+            arrayDimPtr = localIdent->get_array_dim();
+        }
+        bool index_is_constant = true;
+        for (int i = 0; i < node.array_index.size(); i++) {
+            node.array_index[i]->accept(*this);
+            auto constIndex = dynamic_pointer_cast<ConstantInt>(tmpInst);
+            if(constIndex == nullptr) {
+                index_is_constant = false;
+            }
+            int tmpIndex = 1;
+            for (int j = i + 1; j < node.array_index.size(); j++) {
+                tmpIndex *= (*arrayDimPtr)[j];
+            }
+            index += constIndex->get_value() * tmpIndex;
+        }
+        if(globalIdent != nullptr && globalIdent->is_const() && index_is_constant) {
+            auto arrayInit = dynamic_pointer_cast<ConstantArray>(globalIdent->get_init());
+            tmpInst = arrayInit->get_element_value(index);
+        } else {
+            tmpInst = builder->create_gep(ident, {CONST_INT(0), CONST_INT(index)});
+        }
+
+
     }
     else {
         if (ident->get_type()->is_pointer_type() && ident->get_type()->get_pointer_element_type()->is_array_type()) {
@@ -559,7 +658,6 @@ void IRBuilder::visit(SyntaxTree::LVal &node) {
             tmpInst = ident;
         }
     }
-    return ;
 }
 
 // FINISH
@@ -599,7 +697,6 @@ void IRBuilder::visit(SyntaxTree::ReturnStmt &node) {
     }
     // every ret stmt only store the value and jump to the retBB
     builder->create_br(retBB);
-    return ;
 }
 
 // Finish
@@ -611,18 +708,15 @@ void IRBuilder::visit(SyntaxTree::BlockStmt &node) {
         stmt->accept(*this);
     }
     scope.exit();
-    return ;
 }
 
 // FINISH
 void IRBuilder::visit(SyntaxTree::EmptyStmt &node) {
-    return ;
 }
 
 // FINISH
 void IRBuilder::visit(SyntaxTree::ExprStmt &node) {
     node.exp->accept(*this);
-    return ;
 }
 
 // FINISH
@@ -636,7 +730,6 @@ void IRBuilder::visit(SyntaxTree::UnaryCondExpr &node) {
     } else {
         tmpInst = CONST_INT((constInt->get_value() == 0 ||  constFloat->get_value() == 0 ) ? 1 : 0);
     }
-    return ;
 }
 
 
@@ -790,19 +883,16 @@ void IRBuilder::visit(SyntaxTree::WhileStmt &node) {
 
     builder->set_insert_point(afterBB);
     curWhileBlock = tmpWhileBlock;
-    return ;
 }
 
 //FINISH
 void IRBuilder::visit(SyntaxTree::BreakStmt &node) {
     builder->create_br(curWhileBlock.afterBB);
-    return ;
 }
 
 //FINISH
 void IRBuilder::visit(SyntaxTree::ContinueStmt &node) {
     builder->create_br(curWhileBlock.condBB);
-    return ;
 }
 }
 }