Teach Legalize how to scalarize VSETCC
Teach X86 a few more vsetcc patterns. Custom lowering for unsupported ones is next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51009 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 1892e8a..3abeac4 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -7117,6 +7117,16 @@
ScalarizeVectorOp(Op.getOperand(1)),
ScalarizeVectorOp(Op.getOperand(2)));
break;
+ case ISD::VSETCC: {
+ SDOperand Op0 = ScalarizeVectorOp(Op.getOperand(0));
+ SDOperand Op1 = ScalarizeVectorOp(Op.getOperand(1));
+ Result = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Op0), Op0, Op1,
+ Op.getOperand(2));
+ Result = DAG.getNode(ISD::SELECT, NewVT, Result,
+ DAG.getConstant(-1ULL, NewVT),
+ DAG.getConstant(0ULL, NewVT));
+ break;
+ }
}
if (TLI.isTypeLegal(NewVT))