Revert this use of NSW; this one isn't actually safe. NSW addition
is not reassociative.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91667 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 75572a7..3c937e0 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1457,12 +1457,10 @@
LIOps.push_back(AddRec->getStart());
SmallVector<const SCEV *, 4> AddRecOps(AddRec->op_begin(),
- AddRec->op_end());
+ AddRec->op_end());
AddRecOps[0] = getAddExpr(LIOps);
- const SCEV *NewRec = getAddRecExpr(AddRecOps, AddRec->getLoop(),
- AddRec->hasNoUnsignedWrap() && HasNUW,
- AddRec->hasNoSignedWrap() && HasNSW);
+ const SCEV *NewRec = getAddRecExpr(AddRecOps, AddRec->getLoop());
// If all of the other operands were loop invariant, we are done.
if (Ops.size() == 1) return NewRec;