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path: root/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 3e5395bd34..e56ffec44f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1075,8 +1075,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
if (cast<ConstantSDNode>(LR)->isAllOnesValue()) {
// (X == -1) & (Y == -1) -> (X&Y == -1)
// (X != -1) | (Y != -1) -> (X&Y != -1)
+ // (X > -1) | (Y > -1) -> (X&Y > -1)
if ((Opcode == ISD::AND && Op2 == ISD::SETEQ) ||
- (Opcode == ISD::OR && Op2 == ISD::SETNE))
+ (Opcode == ISD::OR && Op2 == ISD::SETNE) ||
+ (Opcode == ISD::OR && Op2 == ISD::SETGT))
return getSetCC(Op2, VT,
getNode(ISD::AND, LR.getValueType(), LL, RL), LR);
// (X > -1) & (Y > -1) -> (X|Y > -1)