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[midend]修复phi指令接口，优化遍适配

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This commit is contained in:
rain2133
2025-08-03 22:18:00 +08:00
parent d8b004e5e5
commit 446a6a6fcb
6 changed files with 46 additions and 22 deletions
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19
src/midend/IR.cpp
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@@ -258,7 +258,7 @@ void User::removeOperand(unsigned index) {
* phi相关函数
*/
Value* PhiInst::getvalfromBlk(BasicBlock* blk) {
Value* PhiInst::getValfromBlk(BasicBlock* blk) {
refreshMap();
if( blk2val.find(blk) != blk2val.end()) {
return blk2val.at(blk);
@@ -294,7 +294,7 @@ void PhiInst::removeIncomingValue(Value* val){
void PhiInst::removeIncomingBlock(BasicBlock* blk){
//根据Blk删除对应的基本块和值
unsigned i = 0;
Value* val = getvalfromBlk(blk);
Value* val = getValfromBlk(blk);
if(val == nullptr) {
return; // 如果blk没有对应的值，直接返回
}
@@ -341,6 +341,21 @@ void PhiInst::replaceIncomingBlock(BasicBlock* newBlk, BasicBlock* oldBlk) {
addIncoming(val, newBlk);
}
void PhiInst::replaceIncomingValue(Value *oldValue, Value *newValue, BasicBlock *newBlock) {
refreshMap();
assert(blk2val.find(getBlkfromVal(oldValue)) != blk2val.end() && "PhiInst: oldValue not found in blk2val");
auto oldBlock = getBlkfromVal(oldValue);
removeIncomingValue(oldValue);
addIncoming(newValue, newBlock);
}
void PhiInst::replaceIncomingBlock(BasicBlock *oldBlock, BasicBlock *newBlock, Value *newValue) {
refreshMap();
assert(blk2val.find(oldBlock) != blk2val.end() && "PhiInst: oldBlock not found in blk2val");
auto oldValue = blk2val[oldBlock];
removeIncomingBlock(oldBlock);
addIncoming(newValue, newBlock);
}
CallInst::CallInst(Function *callee, const std::vector<Value *> &args, BasicBlock *parent, const std::string &name)
: Instruction(kCall, callee->getReturnType(), parent, name) {