diff --git a/src/mapleall/maple_me/src/me_cfg.cpp b/src/mapleall/maple_me/src/me_cfg.cpp
index 9f1f410318c0f582062d2f1f5f73d5e33b25b024..b11dcabc90b366324d6819ae7630fce6d314d8c8 100644
--- a/src/mapleall/maple_me/src/me_cfg.cpp
+++ b/src/mapleall/maple_me/src/me_cfg.cpp
@@ -1554,7 +1554,7 @@ AnalysisResult *MeDoMeCfg::Run(MeFunction *func, MeFuncResultMgr *m, ModuleResul
   theCFG->UnreachCodeAnalysis();
   theCFG->WontExitAnalysis();
   theCFG->Verify();
-
+#if 0  // these 2 phases will be invoked by phase manager
   if (mrm == nullptr) {
     MeDoLoopCanon doLoopCanon(MeFuncPhase_LOOPCANON);
     if (!MeOption::quiet) {
@@ -1568,6 +1568,7 @@ AnalysisResult *MeDoMeCfg::Run(MeFunction *func, MeFuncResultMgr *m, ModuleResul
     }
     doSplitCEdge.Run(func, m, NULL);
   }
+#endif
   return theCFG;
 }
 }  // namespace maple