[midend-IVE]参考libdivide库，实现了魔数的正确求解，如果后续出错直接用API或者不要除法强度削弱了

2025-08-14 05:12:54 +08:00
parent 06a368db39
commit 7547d34598
5 changed files with 421 additions and 61 deletions
--- a/src/include/midend/Pass/Optimize/LoopStrengthReduction.h
+++ b/src/include/midend/Pass/Optimize/LoopStrengthReduction.h
@@ -132,7 +132,7 @@ private:
   * @param divisor 除数
   * @return {魔数, 移位量}
   */
-  std::pair<int64_t, int> computeMulhMagicNumbers(int divisor) const;
+  std::pair<int, int> computeMulhMagicNumbers(int divisor) const;
  
  /**
   * 生成除法替换代码