[llvm] r276005 - [DSE] Add additional debug output. NFC.

[Chad Rosier via llvm-commits]

Author: mcrosier
Date: Tue Jul 19 13:11:11 2016
New Revision: 276005

URL: http://llvm.org/viewvc/llvm-project?rev=276005&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=276005&r1=276004&r2=276005&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Tue Jul 19 13:11:11 2016
@@ -740,6 +740,8 @@ static bool handleEndBlock(BasicBlock &B
 
     // Remove any dead non-memory-mutating instructions.
     if (isInstructionTriviallyDead(&*BBI, TLI)) {
+      DEBUG(dbgs() << "DSE: Removing trivially dead instruction:\n  DEAD: "
+                   << *&*BBI << '\n');
       deleteDeadInstruction(&*BBI, &BBI, *MD, *TLI, &DeadStackObjects);
       ++NumFastOther;
       MadeChange = true;