[backend-O1-1]修复了寄存器分配器在处理函数参数时不健壮的问题

2025-08-20 01:37:59 +08:00
parent ef68235446
commit dd2725796a
4 changed files with 147 additions and 32 deletions
--- a/src/include/backend/RISCv64/RISCv64RegAlloc.h
+++ b/src/include/backend/RISCv64/RISCv64RegAlloc.h
@@ -45,12 +45,11 @@ private:
    void rewriteProgram();
    bool doAllocation();
    void applyColoring();
-
-    void dumpState(const std::string &stage);
-
    void precolorByCallingConvention();
+    void protectCrossCallVRegs();

    // --- 辅助函数 ---
+    void dumpState(const std::string &stage);
    void getInstrUseDef(const MachineInstr* instr, VRegSet& use, VRegSet& def);
    void getInstrUseDef_Liveness(const MachineInstr *instr, VRegSet &use, VRegSet &def);
    void addEdge(unsigned u, unsigned v);