Tablegen support for insert & extract element matching
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 14b2b80..146488e 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -112,6 +112,10 @@
ConstraintType = SDTCisIntVectorOfSameSize;
x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum =
R->getValueAsInt("OtherOpNum");
+ } else if (R->isSubClassOf("SDTCisEltOfVec")) {
+ ConstraintType = SDTCisEltOfVec;
+ x.SDTCisEltOfVec_Info.OtherOperandNum =
+ R->getValueAsInt("OtherOpNum");
} else {
cerr << "Unrecognized SDTypeConstraint '" << R->getName() << "'!\n";
exit(1);
@@ -288,6 +292,19 @@
}
return false;
}
+ case SDTCisEltOfVec: {
+ TreePatternNode *OtherOperand =
+ getOperandNum(x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum,
+ N, NumResults);
+ if (OtherOperand->hasTypeSet()) {
+ if (!MVT::isVector(OtherOperand->getTypeNum(0)))
+ TP.error(N->getOperator()->getName() + " VT operand must be a vector!");
+ MVT::ValueType IVT = OtherOperand->getTypeNum(0);
+ IVT = MVT::getVectorElementType(IVT);
+ return NodeToApply->UpdateNodeType(IVT, TP);
+ }
+ return false;
+ }
}
return false;
}