[llvm] r262279 - [LAA] Add missing debug output

[Adam Nemet via llvm-commits]

Author: anemet
Date: Mon Feb 29 18:50:08 2016
New Revision: 262279

URL: http://llvm.org/viewvc/llvm-project?rev=262279&view=rev
Log:
[LAA] Add missing debug output

Modified:
    llvm/trunk/lib/Analysis/LoopAccessAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/LoopAccessAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/LoopAccessAnalysis.cpp?rev=262279&r1=262278&r2=262279&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/LoopAccessAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/LoopAccessAnalysis.cpp Mon Feb 29 18:50:08 2016
@@ -1199,8 +1199,10 @@ MemoryDepChecker::isDependent(const MemA
     bool IsTrueDataDependence = (AIsWrite && !BIsWrite);
     if (IsTrueDataDependence &&
         (couldPreventStoreLoadForward(Val.abs().getZExtValue(), TypeByteSize) ||
-         ATy != BTy))
+         ATy != BTy)) {
+      DEBUG(dbgs() << "LAA: Forward but may prevent st->ld forwarding\n");
       return Dependence::ForwardButPreventsForwarding;
+    }
 
     DEBUG(dbgs() << "LAA: Dependence is negative: NoDep\n");
     return Dependence::Forward;