[CFLAA] Use unsigned numbers for bit-shifts.

This uses `1U` instead of `1ULL` because StratifiedAttrs is a 32-bit
bitset.

Thanks to Hans-Bernhard Broker for bringing this up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273902 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/CFLAliasAnalysis.cpp b/lib/Analysis/CFLAliasAnalysis.cpp
index 659443fc0ab5f3a9e7cbeb197a61017e0a1a2488..407d8e7015531326f707cf13cfbf9fb1f52e9b7f 100644 (file)
--- a/lib/Analysis/CFLAliasAnalysis.cpp
+++ b/lib/Analysis/CFLAliasAnalysis.cpp
@@ -762,7 +762,7 @@ static Optional<StratifiedAttrs> valueToAttr(Value *Val) {
 static StratifiedAttrs argNumberToAttr(unsigned ArgNum) {
   if (ArgNum >= AttrMaxNumArgs)
     return AttrUnknown;
-  return StratifiedAttrs(1 << (ArgNum + AttrFirstArgIndex));
+  return StratifiedAttrs(1U << (ArgNum + AttrFirstArgIndex));
 }
 
 static Level directionOfEdgeType(EdgeType Weight) {