[llvm] r325004 - [CallSiteSplitting] Dereference pointer earlier.

[Florian Hahn via llvm-commits]

Author: fhahn
Date: Tue Feb 13 05:51:51 2018
New Revision: 325004

URL: http://llvm.org/viewvc/llvm-project?rev=325004&view=rev
Log:
[CallSiteSplitting] Dereference pointer earlier.

This should make the sanitizers happy.

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

Modified: llvm/trunk/lib/Transforms/Scalar/CallSiteSplitting.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/CallSiteSplitting.cpp?rev=325004&r1=325003&r2=325004&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/CallSiteSplitting.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/CallSiteSplitting.cpp Tue Feb 13 05:51:51 2018
@@ -296,10 +296,10 @@ static void splitCallSite(
       CallPN->addIncoming(NewCI, SplitBlock);
   }
 
-  auto OriginalBegin = TailBB->begin();
+  auto *OriginalBegin = &*TailBB->begin();
   // Replace users of the original call with a PHI mering call-sites split.
   if (CallPN) {
-    CallPN->insertBefore(&*OriginalBegin);
+    CallPN->insertBefore(OriginalBegin);
     Instr->replaceAllUsesWith(CallPN);
   }
 
@@ -327,7 +327,7 @@ static void splitCallSite(
     }
     CurrentI->eraseFromParent();
     // We are done once we handled the first original instruction in TailBB.
-    if (CurrentI == &*OriginalBegin)
+    if (CurrentI == OriginalBegin)
       break;
   }
   NumCallSiteSplit++;