commit 13c3c7517620a6fbff2c355b582755b73f41b87e
author Benjamin Kramer <benny.kra@googlemail.com> Sun Nov 20 10:24:36 2011 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Sun Nov 20 10:24:36 2011 +0000
tree 9f509f1033292d6f8be4c7176715e62380384098
parent 2901243fda3fa68f55f52700d473642e719aa219

SCEV: Actually set overflow flags on add expressions.

setFlags doesn't modify its arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145007 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ScalarEvolution.cpp

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 77defa8..622b214 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -3601,9 +3601,9 @@
     SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap;
     OverflowingBinaryOperator *OBO = cast<OverflowingBinaryOperator>(V);
     if (OBO->hasNoSignedWrap())
-      setFlags(Flags, SCEV::FlagNSW);
+      Flags = setFlags(Flags, SCEV::FlagNSW);
     if (OBO->hasNoUnsignedWrap())
-      setFlags(Flags, SCEV::FlagNUW);
+      Flags = setFlags(Flags, SCEV::FlagNUW);
     return getAddExpr(AddOps, Flags);
   }
   case Instruction::Mul: {