Fix this warning:

DAGCombiner.cpp: In member function 'llvm::SDOperand<unnamed>::DAGCombiner::visitOR(llvm::SDNode*)':
DAGCombiner.cpp:1608: warning: passing negative value '-0x00000000000000001' for argument 1 to 'llvm::SDOperand llvm::SelectionDAG::getConstant(uint64_t, llvm::MVT::ValueType, bool)'

oiy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38458 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 5dd966de072b33a03a471cd856dc1f13b691adb3..04e338b34a02a8aed6f68209b96ee59f9f663349 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1605,7 +1605,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) {
   
   // fold (or x, undef) -> -1
   if (N1.getOpcode() == ISD::UNDEF)
-    return DAG.getConstant(-1, VT);
+    return DAG.getConstant(~0ULL, VT);
   // fold (or c1, c2) -> c1|c2
   if (N0C && N1C)
     return DAG.getNode(ISD::OR, VT, N0, N1);