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[midend-CFGOpt]修复上一次提交的漏洞

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rain2133
2025-08-11 18:46:07 +08:00
parent 46179e3866
commit 1361156b0d
1 changed files with 2 additions and 1 deletions
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src/midend/Pass/Optimize/SysYIRCFGOpt.cpp
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@ -116,7 +116,8 @@ bool SysYCFGOptUtils::SysYBlockMerge(Function *func) {
// 用usedelete删除会导致use关系被删除我只希望移动指令到当前块 // 用usedelete删除会导致use关系被删除我只希望移动指令到当前块
// institer = SysYIROptUtils::usedelete(institer); // institer = SysYIROptUtils::usedelete(institer);
// institer = nextBlock->getInstructions().erase(institer); // institer = nextBlock->getInstructions().erase(institer);
nextBlock->moveInst(institer, block->getInstructions().end(), block); institer = nextBlock->moveInst(institer, block->getInstructions().end(), block);
} }
// 更新前驱后继关系，类似树节点操作 // 更新前驱后继关系，类似树节点操作
block->removeSuccessor(nextBlock); block->removeSuccessor(nextBlock);