[llvm] r284534 - [GVN] Remove dead code. NFC.

[Davide Italiano via llvm-commits]

Author: davide
Date: Tue Oct 18 16:00:26 2016
New Revision: 284534

URL: http://llvm.org/viewvc/llvm-project?rev=284534&view=rev
Log:
[GVN] Remove dead code. NFC.

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

Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=284534&r1=284533&r2=284534&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Tue Oct 18 16:00:26 2016
@@ -856,16 +856,6 @@ static int AnalyzeLoadFromClobberingWrit
   // a must alias.  AA must have gotten confused.
   // FIXME: Study to see if/when this happens.  One case is forwarding a memset
   // to a load from the base of the memset.
-#if 0
-  if (LoadOffset == StoreOffset) {
-    dbgs() << "STORE/LOAD DEP WITH COMMON POINTER MISSED:\n"
-    << "Base       = " << *StoreBase << "\n"
-    << "Store Ptr  = " << *WritePtr << "\n"
-    << "Store Offs = " << StoreOffset << "\n"
-    << "Load Ptr   = " << *LoadPtr << "\n";
-    abort();
-  }
-#endif
 
   // If the load and store don't overlap at all, the store doesn't provide
   // anything to the load.  In this case, they really don't alias at all, AA
@@ -884,17 +874,8 @@ static int AnalyzeLoadFromClobberingWrit
   else
     isAAFailure = LoadOffset+int64_t(LoadSize) <= StoreOffset;
 
-  if (isAAFailure) {
-#if 0
-    dbgs() << "STORE LOAD DEP WITH COMMON BASE:\n"
-    << "Base       = " << *StoreBase << "\n"
-    << "Store Ptr  = " << *WritePtr << "\n"
-    << "Store Offs = " << StoreOffset << "\n"
-    << "Load Ptr   = " << *LoadPtr << "\n";
-    abort();
-#endif
+  if (isAAFailure)
     return -1;
-  }
 
   // If the Load isn't completely contained within the stored bits, we don't
   // have all the bits to feed it.  We could do something crazy in the future