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Finish all visit except VarDef

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Odeinjul 12 months ago
parent 12e012dd6b
commit 7653fecd16
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GPG Key ID: E384228B2B38FFBB
1 changed files with 138 additions and 92 deletions
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130
src/SysYFIRBuilder/IRBuilder.cpp
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@ -18,6 +18,9 @@ int exprRes = 0;
std::string curFuncName = "";
Ptr<SysYF::IR::Instruction> tmpInst;
bool isFloat = false;
bool isAddr = false;
Ptr<BasicBlock> curCondBB;
Ptr<BasicBlock> curAfterBB;
// types
Ptr<Type> VOID_T;
@ -35,10 +38,6 @@ Ptr<Type> GetType(SyntaxTree::Type type){
return INT1_T;
case SyntaxTree::Type::VOID:
return VOID_T;
case SyntaxTree::Type::BOOL:
return INT1_T;
case SyntaxTree::Type::STRING:
return INT32PTR_T;
default:
return nullptr;
}
@ -88,21 +87,12 @@ void IRBuilder::visit(SyntaxTree::FuncParam &node) {
break;
case SyntaxTree::Type::FLOAT:
if (!node.array_index.empty()) {
// TODO： high dim array
// TODO： high dim array (not now)
funcFParam.push_back(FLOATPTR_T);
}
else
funcFParam.push_back(FLOAT_T);
break;
case SyntaxTree::Type::VOID:
funcFParam.push_back(VOID_T);
break;
case SyntaxTree::Type::STRING:
funcFParam.push_back(INT32PTR_T);
break;
case SyntaxTree::Type::BOOL:
funcFParam.push_back(INT1_T);
break;
default:
funcFParam.push_back(INT32_T);
break;
@ -110,13 +100,13 @@ void IRBuilder::visit(SyntaxTree::FuncParam &node) {
}
void IRBuilder::visit(SyntaxTree::VarDef &node) {
;
}
void IRBuilder::visit(SyntaxTree::LVal &node) {
auto ident = scope.find(node.name, false);
if (!node.array_index.empty()) {
//TODO: high dim array
//TODO: high dim array (not now)
node.array_index[0]->accept(*this);
auto index = tmpInst;
tmpInst = builder->create_gep(ident, {CONST_INT(0), index});
@ -124,48 +114,50 @@ void IRBuilder::visit(SyntaxTree::LVal &node) {
else {
tmpInst = dynamic_pointer_cast<Instruction>(ident);
}
isAddr = true;
}
void IRBuilder::visit(SyntaxTree::AssignStmt &node) {
node.target->accept(*this);
auto target = tmpInst;
node.value->accept(*this);
auto value = tmpInst;
Ptr<Value> value;
if (isAddr) {
value = builder->create_load(tmpInst);
isAddr = false;
}
else
value = dynamic_pointer_cast<Value>(tmpInst);
builder->create_store(value, target);
}
void IRBuilder::visit(SyntaxTree::Literal &node) {
/*
switch(node.literal_type) {
case SyntaxTree::Type::INT:
tmp_val = CONST_INT(node.int_val);
tmp_val = CONST_INT(node.int_const);
isFloat = false;
break;
case SyntaxTree::Type::FLOAT:
tmp_val = CONST_FLOAT(node.float_val);
break;
case SyntaxTree::Type::BOOL:
tmp_val = CONST_INT(node.bool_val);
break;
case SyntaxTree::Type::STRING:
tmp_val = CONST_INT(node.str_val);
tmp_val = CONST_FLOAT(node.float_const);
isFloat = true;
break;
default:
tmp_val = CONST_INT(0);
break;
}
*/
}
void IRBuilder::visit(SyntaxTree::ReturnStmt &node) {
node.ret->accept(*this);
builder->create_ret(tmpInst);
return ;
builder->create_ret(tmp_val);
}
void IRBuilder::visit(SyntaxTree::BlockStmt &node) {
scope.enter();
for (const auto &stmt : node.body) {
stmt->accept(*this);
}
scope.exit();
return ;
}
@ -185,14 +177,52 @@ void IRBuilder::visit(SyntaxTree::UnaryCondExpr &node) {
if (isFloat) {
tmpInst = builder->create_fcmp_eq(tmpInst, CONST_FLOAT(0.0));
}
else
else {
tmpInst = builder->create_icmp_eq(tmpInst, CONST_INT(0));
}
default:
break;
}
}
void IRBuilder::visit(SyntaxTree::BinaryCondExpr &node) {
auto curFunc = builder->get_insert_block()->get_parent();
auto trueBB = BasicBlock::create(module, "trueBB_and", curFunc);
auto falseBB = BasicBlock::create(module, "falseBB_and", curFunc);
Ptr<Instruction> cond;
switch (node.op) {
case SyntaxTree::BinaryCondOp::LAND:
node.lhs->accept(*this);
cond = tmpInst;
builder->create_cond_br(cond, trueBB, falseBB);
// True - continue
builder->set_insert_point(trueBB);
node.rhs->accept(*this);
cond = tmpInst;
// False
builder->set_insert_point(falseBB);
tmpInst = cond;
break;
case SyntaxTree::BinaryCondOp::LOR:
node.lhs->accept(*this);
cond = tmpInst;
builder->create_cond_br(cond, trueBB, falseBB);
// False - continue
builder->set_insert_point(falseBB);
node.rhs->accept(*this);
cond = tmpInst;
// True
builder->set_insert_point(trueBB);
tmpInst = cond;
break;
default:
node.lhs->accept(*this);
auto lhs = tmpInst;
node.rhs->accept(*this);
@ -246,20 +276,25 @@ void IRBuilder::visit(SyntaxTree::BinaryCondExpr &node) {
tmpInst = builder->create_icmp_ne(lhs, rhs);
}
break;
case SyntaxTree::BinaryCondOp::LAND:
//TODO: and
break;
case SyntaxTree::BinaryCondOp::LOR:
//TODO: or
default:
break;
}
}
}
void IRBuilder::visit(SyntaxTree::BinaryExpr &node) {
node.lhs->accept(*this);
auto lhs = tmpInst;
if (isAddr) {
lhs = builder->create_load(lhs);
isAddr = false;
}
node.rhs->accept(*this);
auto rhs = tmpInst;
if(isAddr){
rhs = builder->create_load(rhs);
isAddr = false;
}
switch (node.op) {
case SyntaxTree::BinOp::PLUS:
if(isFloat){
@ -291,7 +326,7 @@ void IRBuilder::visit(SyntaxTree::BinaryExpr &node) {
break;
case SyntaxTree::BinOp::MODULO:
if(isFloat){
// not support
;// not support
} else {
tmpInst = builder->create_isrem(lhs, rhs);
}
@ -318,11 +353,17 @@ void IRBuilder::visit(SyntaxTree::UnaryExpr &node) {
}
void IRBuilder::visit(SyntaxTree::FuncCallStmt &node) {
auto curFunc = builder->get_insert_block()->get_parent();
std::vector<Ptr<Value>> funcRParam;
for (const auto &param : node.params) {
param->accept(*this);
funcRParam.push_back(tmp_val);
}
builder->create_call(curFunc, funcRParam);
}
void IRBuilder::visit(SyntaxTree::IfStmt &node) {
auto curFunc = dynamic_pointer_cast<Function>(scope.find(curFuncName, true));
auto curFunc = builder->get_insert_block()->get_parent();
node.cond_exp->accept(*this);
auto cond = tmp_val;
auto trueBB = BasicBlock::create(module, "trueBB_if", curFunc);
@ -335,10 +376,12 @@ void IRBuilder::visit(SyntaxTree::IfStmt &node) {
}
void IRBuilder::visit(SyntaxTree::WhileStmt &node) {
auto curFunc = dynamic_pointer_cast<Function>(scope.find(curFuncName, true));
auto curFunc = builder->get_insert_block()->get_parent();
auto condBB = BasicBlock::create(module, "condBB_while", curFunc);
auto bodyBB = BasicBlock::create(module, "bodyBB_while", curFunc);
auto afterBB = BasicBlock::create(module, "afterBB_while", curFunc);
curCondBB = condBB;
curAfterBB = afterBB;
builder->create_br(condBB);
@ -353,15 +396,18 @@ void IRBuilder::visit(SyntaxTree::WhileStmt &node) {
builder->create_br(condBB);
builder->set_insert_point(afterBB);
return ;
}
void IRBuilder::visit(SyntaxTree::BreakStmt &node) {
builder->create_br(curAfterBB);
return ;
}
void IRBuilder::visit(SyntaxTree::ContinueStmt &node) {
builder->create_br(curCondBB);
return ;
}
}
}
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