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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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10
src/include/midend/IR.h
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@@ -920,7 +920,7 @@ class PhiInst : public Instruction {
Value *getIncomingValue(unsigned Idx) const { return getOperand(Idx * 2); } ///< 获取指定位置的传入值
BasicBlock *getIncomingBlock(unsigned Idx) const {return dynamic_cast<BasicBlock *>(getOperand(Idx * 2 + 1)); } ///< 获取指定位置的传入基本块
Value* getvalfromBlk(BasicBlock* block);
Value* getValfromBlk(BasicBlock* block);
BasicBlock* getBlkfromVal(Value* value);
void addIncoming(Value *value, BasicBlock *block) {
@@ -933,17 +933,23 @@ class PhiInst : public Instruction {
void removeIncoming(unsigned Idx) {
assert(Idx < vsize && "PhiInst: Index out of bounds");
auto blk = getIncomingBlock(Idx);
removeOperand(Idx * 2); // Remove value
removeOperand(Idx * 2 + 1); // Remove block
removeOperand(Idx * 2); // Remove value
blk2val.erase(blk);
vsize--;
} ///< 移除指定位置的传入值和对应的基本块
// 移除指定的传入值或基本块
void removeIncomingValue(Value *value);
void removeIncomingBlock(BasicBlock *block);
// 设置指定位置的传入值或基本块
void setIncomingValue(unsigned Idx, Value *value);
void setIncomingBlock(unsigned Idx, BasicBlock *block);
// 替换指定位置的传入值或基本块（原理是删除再添加）保留旧块或者旧值
void replaceIncomingValue(Value *oldValue, Value *newValue);
void replaceIncomingBlock(BasicBlock *oldBlock, BasicBlock *newBlock);
// 替换指定位置的传入值或基本块（原理是删除再添加）
void replaceIncomingValue(Value *oldValue, Value *newValue, BasicBlock *newBlock);
void replaceIncomingBlock(BasicBlock *oldBlock, BasicBlock *newBlock, Value *newValue);
void refreshMap() {
blk2val.clear();
for (unsigned i = 0; i < vsize; ++i) {