[SelectionDAG] Increment computeKnownBits recursion depth for SMIN/SMAX/UMIN/UMAX...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285397 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index c2c7bb07ca8ddb08db538713b35bd08692b380cc..f741c4b478ed71cedb6aed3e159c2fec6ce1188e 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2467,8 +2467,8 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero,
   case ISD::UMAX: {
     APInt Op0Zero, Op0One;
     APInt Op1Zero, Op1One;
-    computeKnownBits(Op.getOperand(0), Op0Zero, Op0One, Depth);
-    computeKnownBits(Op.getOperand(1), Op1Zero, Op1One, Depth);
+    computeKnownBits(Op.getOperand(0), Op0Zero, Op0One, Depth+1);
+    computeKnownBits(Op.getOperand(1), Op1Zero, Op1One, Depth+1);
 
     KnownZero = Op0Zero & Op1Zero;
     KnownOne = Op0One & Op1One;