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SysYF_LLVM_IR
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把上次传错的文件传了

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main^2
stivenkingsberg 1 year ago
parent c8246d98f5
commit b8ccc9538d
1 changed files with 61 additions and 35 deletions
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96
src/SysYFIRBuilder/IRBuilder.cpp
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@ -34,14 +34,17 @@ namespace SysYF
Ptr<Type> FLOAT_T;
Ptr<Type> INT32PTR_T;
Ptr<Type> FLOATPTR_T;
int if_BB_num = 0;
int while_BB_num = 0;
#define get_true_type(left_type, right) \
if (!scope.in_global()) \
{ \
if (left_type == INT32_T && right->get_type() == FLOAT_T) \
if ((left_type == INT32_T || left_type == INT32PTR_T) && right->get_type() == FLOAT_T) \
{ \
right = builder->create_fptosi(right, INT32_T); \
} \
else if (left_type == INT32_T && right->get_type() == INT1_T) \
else if ((left_type == INT32_T || left_type == INT32PTR_T) && right->get_type() == INT1_T) \
{ \
right = builder->create_zext(right, INT32_T); \
} \
@ -53,22 +56,22 @@ namespace SysYF
{ \
right = builder->create_icmp_ne(right, CONST_INT(0)); \
} \
else if (left_type == FLOAT_T && right->get_type() == INT32_T) \
else if ((left_type == FLOAT_T || left_type == FLOATPTR_T) && right->get_type() == INT32_T) \
{ \
right = builder->create_sitofp(right, FLOAT_T); \
} \
else if (left_type == FLOAT_T && right->get_type() == INT1_T) \
else if ((left_type == FLOAT_T || left_type == FLOATPTR_T) && right->get_type() == INT1_T) \
{ \
right = builder->create_zext(right, FLOAT_T); \
} \
} \
else \
{ \
if (left_type == FLOAT_T && right->get_type() != FLOAT_T) \
if ((left_type == FLOAT_T || left_type == INT32PTR_T) && right->get_type() != FLOAT_T) \
{ \
right = CONST_FLOAT(static_cast<float>(dynamic_pointer_cast<ConstantInt>(right)->get_value())); \
} \
else if (left_type == INT32_T && right->get_type() != INT32_T) \
else if ((left_type == INT32_T || left_type == FLOATPTR_T) && right->get_type() != INT32_T) \
{ \
right = CONST_INT(static_cast<int>(dynamic_pointer_cast<ConstantFloat>(right)->get_value())); \
} \
@ -349,7 +352,7 @@ namespace SysYF
else
{
init_list.clear();
while (init_list.size() < length.size()) // 如果init_list的长度小于length的长度，就把init_list其他的值补上0
while (static_cast<int>(init_list.size()) < array_len) // 如果init_list的长度小于length的长度，就把init_list其他的值补上0
{
init_list.push_back(ConstantZero::create(type_map[node.btype], module));
}
@ -988,21 +991,23 @@ namespace SysYF
// 数组
if (arg_func_type == INT32PTR_T || arg_func_type == FLOATPTR_T)
{
// if(value->get_type() == INT32PTR_T || value->get_type() == FLOATPTR_T){
// tmp_val = value;
// }
// else{
// tmp_val = builder->create_alloca(arg_func_type);
// builder->create_store(value, tmp_val);
// }
if (value->get_type() == INT32PTR_T || value->get_type() == FLOATPTR_T)
{
tmp_val = value;
}
else
{
tmp_val = builder->create_alloca(arg_func_type);
builder->create_store(value, tmp_val);
}
}
else
{
if (value->get_type() == INT32_T && arg_func_type == FLOAT_T)
if (value->get_type() == INT32_T && (arg_func_type == FLOAT_T || arg_func_type == FLOATPTR_T))
{
tmp_val = builder->create_sitofp(value, FLOAT_T);
}
else if (value->get_type() == FLOAT_T && arg_func_type == INT32_T)
else if (value->get_type() == FLOAT_T && (arg_func_type == INT32_T || arg_func_type == INT32PTR_T))
{
tmp_val = builder->create_fptosi(value, INT32_T);
}
@ -1011,7 +1016,7 @@ namespace SysYF
tmp_val = value;
}
}
arg_func++;
args.push_back(tmp_val);
}
@ -1022,26 +1027,47 @@ namespace SysYF
void IRBuilder::visit(SyntaxTree::IfStmt &node)
{
scope.enter();
auto trueBB = BasicBlock::create(module, "trueBB_if",
auto trueBB = BasicBlock::create(module, "trueBB_if" + std::to_string(if_BB_num),
module->get_functions().back());
auto nextBB = BasicBlock::create(module, "nextBB_if",
auto nextBB = BasicBlock::create(module, "nextBB_if" + std::to_string(if_BB_num),
module->get_functions().back());
scope.push("trueBB", trueBB);
scope.push("falseBB", nextBB);
scope.push("trueBB" + std::to_string(if_BB_num), trueBB);
scope.push("falseBB" + std::to_string(if_BB_num), nextBB);
node.cond_exp->accept(*this);
LVal_to_RVal(tmp_val);
auto cond = tmp_val;
builder->create_cond_br(cond, trueBB, nextBB);
builder->set_insert_point(trueBB);
node.if_statement->accept(*this);
builder->set_insert_point(nextBB);
if (node.else_statement)
{
auto elseBB = BasicBlock::create(module, "elseBB_if" + std::to_string(if_BB_num),
module->get_functions().back());
scope.push("elseBB_if" + std::to_string(if_BB_num), elseBB);
if_BB_num++;
builder->create_cond_br(cond, trueBB, elseBB);
builder->set_insert_point(trueBB);
node.if_statement->accept(*this);
builder->create_br(nextBB);
builder->set_insert_point(elseBB);
node.else_statement->accept(*this);
builder->create_br(nextBB);
builder->set_insert_point(nextBB);
}
else
{
if_BB_num++;
builder->create_cond_br(cond, trueBB, nextBB);
builder->set_insert_point(trueBB);
node.if_statement->accept(*this);
builder->create_br(nextBB);
builder->set_insert_point(nextBB);
}
scope.exit();
}
@ -1050,17 +1076,17 @@ namespace SysYF
{
// auto func_name = scope.find("func", 0);
scope.enter();
auto condBB = BasicBlock::create(module, "condBB_while",
auto condBB = BasicBlock::create(module, "condBB_while" + std::to_string(while_BB_num),
module->get_functions().back());
auto trueBB = BasicBlock::create(module, "trueBB_while",
auto trueBB = BasicBlock::create(module, "trueBB_while" + std::to_string(while_BB_num),
module->get_functions().back());
auto falseBB = BasicBlock::create(module, "falseBB_while",
auto falseBB = BasicBlock::create(module, "falseBB_while" + std::to_string(while_BB_num),
module->get_functions().back());
scope.push("condBB_while", condBB);
scope.push("trueBB_while", trueBB);
scope.push("falseBB_while", falseBB);
scope.push("condBB_while" + std::to_string(while_BB_num), condBB);
scope.push("trueBB_while" + std::to_string(while_BB_num), trueBB);
scope.push("falseBB_while" + std::to_string(while_BB_num), falseBB);
while_BB_num++;
builder->create_br(condBB);
builder->set_insert_point(condBB);
@ -1082,13 +1108,13 @@ namespace SysYF
void IRBuilder::visit(SyntaxTree::BreakStmt &node)
{
auto falseBB = scope.find("falseBB_while", 0);
auto falseBB = scope.find("falseBB_while" + std::to_string(while_BB_num - 1), 0);
builder->create_br(dynamic_pointer_cast<SysYF::IR::BasicBlock>(falseBB));
}
void IRBuilder::visit(SyntaxTree::ContinueStmt &node)
{
auto condBB = scope.find("condBB_while", 0);
auto condBB = scope.find("condBB_while" + std::to_string(while_BB_num - 1), 0);
builder->create_br(dynamic_pointer_cast<SysYF::IR::BasicBlock>(condBB));
}
}

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