[llvm] r319831 - [ModRefInfo] Initialize ArgMask to MRI_NoModRef.

[Alina Sbirlea via llvm-commits]

Author: asbirlea
Date: Tue Dec  5 12:51:20 2017
New Revision: 319831

URL: http://llvm.org/viewvc/llvm-project?rev=319831&view=rev
Log:
[ModRefInfo] Initialize ArgMask to MRI_NoModRef.

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

Modified: llvm/trunk/lib/Analysis/AliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/AliasAnalysis.cpp?rev=319831&r1=319830&r2=319831&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/AliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/AliasAnalysis.cpp Tue Dec  5 12:51:20 2017
@@ -263,7 +263,7 @@ ModRefInfo AAResults::getModRefInfo(Immu
         // - If CS2 modifies location, dependence exists if CS1 reads or writes.
         // - If CS2 only reads location, dependence exists if CS1 writes.
         ModRefInfo ArgModRefCS2 = getArgModRefInfo(CS2, CS2ArgIdx);
-        ModRefInfo ArgMask;
+        ModRefInfo ArgMask = MRI_NoModRef;
         if (isModSet(ArgModRefCS2))
           ArgMask = MRI_ModRef;
         else if (isRefSet(ArgModRefCS2))