Commit d8a2ea9f authored by Ehud Katz's avatar Ehud Katz
Browse files

[LoopExtractor] Fix legacy pass dependencies 

Fixes a memory leak of allocating `LoopInfoWrapperPass` and `DominatorTreeWrapperPass`.
parent 687bbf85

llvm/lib/Transforms/IPO/LoopExtractor.cpp

+2 −2
Original line number Diff line number Diff line
@@ -56,10 +56,10 @@ namespace { 


    void getAnalysisUsage(AnalysisUsage &AU) const override {

      AU.addRequiredID(BreakCriticalEdgesID);

      AU.addRequiredID(LoopSimplifyID);

      AU.addRequired<DominatorTreeWrapperPass>();

      AU.addRequired<LoopInfoWrapperPass>();

      AU.addPreserved<LoopInfoWrapperPass>();

      AU.addRequiredID(LoopSimplifyID);

      AU.addUsedIfAvailable<AssumptionCacheTracker>();

    }

  };
@@ -69,9 +69,9 @@ char LoopExtractor::ID = 0; 
INITIALIZE_PASS_BEGIN(LoopExtractor, "loop-extract",

                      "Extract loops into new functions", false, false)

INITIALIZE_PASS_DEPENDENCY(BreakCriticalEdges)

INITIALIZE_PASS_DEPENDENCY(LoopSimplify)

INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)

INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)

INITIALIZE_PASS_DEPENDENCY(LoopSimplify)

INITIALIZE_PASS_END(LoopExtractor, "loop-extract",

                    "Extract loops into new functions", false, false)