From: Roman Lebedev <lebedev.ri@gmail.com>
Date: Sun, 15 Apr 2018 18:59:38 +0000 (+0000)
Subject: [SelectionDAG][NFC] haveNoCommonBitsSet(): add FIXME notes
X-Git-Tag: llvmorg-7.0.0-rc1~8135
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9792838905bb2462c7d58ac0817bed2942e994de;p=platform%2Fupstream%2Fllvm.git

[SelectionDAG][NFC] haveNoCommonBitsSet(): add FIXME notes

As suggested in https://reviews.llvm.org/D45631#1068338

llvm-svn: 330102
---

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index d35a940..d57f0bf 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3636,6 +3636,8 @@ bool SelectionDAG::isEqualTo(SDValue A, SDValue B) const {
   return false;
 }
 
+// FIXME: unify with llvm::haveNoCommonBitsSet.
+// FIXME: could also handle masked merge pattern (X & ~M) op (Y & M)
 bool SelectionDAG::haveNoCommonBitsSet(SDValue A, SDValue B) const {
   assert(A.getValueType() == B.getValueType() &&
          "Values must have the same type");