[midend-GSR]将魔数求解移动到utils的静态方法中。

src/include/midend/Pass/Optimize/GlobalStrengthReduction.h

@@ -68,7 +68,7 @@ private:
     MagicNumber computeMagicNumber(uint32_t divisor);
     std::pair<int, int> computeMulhMagicNumbers(int divisor);
     Value* createMagicDivision(BinaryInst* divInst, uint32_t divisor, const MagicNumber& magic);
-    Value* createMagicDivisionLibdivide(BinaryInst* divInst, int divisor, const std::pair<int, int>& magicPair);
+    Value* createMagicDivisionLibdivide(BinaryInst* divInst, int divisor);
     bool isPowerOfTwo(uint32_t n);
     int log2OfPowerOfTwo(uint32_t n);