[llvm] r275991 - [DSE] Add additional debug output. NFC.

[Chad Rosier via llvm-commits]

Author: mcrosier
Date: Tue Jul 19 11:50:57 2016
New Revision: 275991

URL: http://llvm.org/viewvc/llvm-project?rev=275991&view=rev
Log:
[DSE] Add additional debug output. NFC.

Modified:
    llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp?rev=275991&r1=275990&r2=275991&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Tue Jul 19 11:50:57 2016
@@ -612,6 +612,9 @@ static bool handleFree(CallInst *F, Alia
       if (!AA->isMustAlias(F->getArgOperand(0), DepPointer))
         break;
 
+      DEBUG(dbgs() << "DSE: Dead Store to soon to be freed memory:\n  DEAD: "
+                   << *Dependency << '\n');
+
       // DCE instructions only used to calculate that store.
       BasicBlock::iterator BBI(Dependency);
       deleteDeadInstruction(Dependency, &BBI, *MD, *TLI);