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Initial CodeGen support for CTTZ/CTLZ where a zero input produces an
[oota-llvm.git]
/
lib
/
CodeGen
/
SelectionDAG
/
LegalizeVectorOps.cpp
diff --git
a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index 4e02b90aad366d93910d2d73eed08407c19b7f3e..4696c0d7546f24150fb990ae4309a7e074358af0 100644
(file)
--- a/
lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/
lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@
-185,8
+185,10
@@
SDValue VectorLegalizer::LegalizeOp(SDValue Op) {
case ISD::SRL:
case ISD::ROTL:
case ISD::ROTR:
- case ISD::CTTZ:
case ISD::CTLZ:
+ case ISD::CTTZ:
+ case ISD::CTLZ_ZERO_UNDEF:
+ case ISD::CTTZ_ZERO_UNDEF:
case ISD::CTPOP:
case ISD::SELECT:
case ISD::VSELECT: