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[midend]修复全局数组类型问题

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rain2133
2025-07-24 15:22:38 +08:00
parent 2556ab7315
commit c68b031c01
1 changed files with 7 additions and 2 deletions
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9
src/SysYIRGenerator.cpp
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@ -146,7 +146,11 @@ std::any SysYIRGenerator::visitGlobalVarDecl(SysYParser::GlobalVarDeclContext *c
delete root; delete root;
} }
// 创建全局变量，并更新符号表 // 创建全局变量，并更新符号表
module->createGlobalValue(name, Type::getPointerType(type), dims, values); Type* variableType = type;
if (!dims.empty()) { // 如果有维度，说明是数组
variableType = buildArrayType(type, dims); // 构建完整的 ArrayType
}
module->createGlobalValue(name, Type::getPointerType(variableType), dims, values);
} }
return std::any(); return std::any();
} }
@ -193,7 +197,7 @@ std::any SysYIRGenerator::visitVarDecl(SysYParser::VarDeclContext *ctx) {
// 对于数组，alloca 的类型将是指针指向数组类型，例如 `int[2][3]*` // 对于数组，alloca 的类型将是指针指向数组类型，例如 `int[2][3]*`
// 对于标量，alloca 的类型将是指针指向标量类型，例如 `int*` // 对于标量，alloca 的类型将是指针指向标量类型，例如 `int*`
AllocaInst* alloca = AllocaInst* alloca =
builder.createAllocaInst(Type::getPointerType(type), dims, name); builder.createAllocaInst(Type::getPointerType(variableType), dims, name);
if (varDef->initVal() != nullptr) { if (varDef->initVal() != nullptr) {
ValueCounter values; ValueCounter values;
@ -1232,6 +1236,7 @@ auto SysYIRGenerator::visitLOrExp(SysYParser::LOrExpContext *ctx) -> std::any {
return std::any(); return std::any();
} }
// attention : 这里的type是数组元素的type
void Utils::tree2Array(Type *type, ArrayValueTree *root, void Utils::tree2Array(Type *type, ArrayValueTree *root,
const std::vector<Value *> &dims, unsigned numDims, const std::vector<Value *> &dims, unsigned numDims,
ValueCounter &result, IRBuilder *builder) { ValueCounter &result, IRBuilder *builder) {