Add a new SDTCisIntVectorOfSameSize type constraint
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26890 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index e04463c..4b8ea20 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -63,14 +63,14 @@
/// isExtIntegerVT - Return true if the specified extended value type vector
/// contains isInt or an integer value type.
-static bool isExtIntegerInVTs(std::vector<unsigned char> EVTs) {
+static bool isExtIntegerInVTs(const std::vector<unsigned char> &EVTs) {
assert(!EVTs.empty() && "Cannot check for integer in empty ExtVT list!");
return EVTs[0] == MVT::isInt || !(FilterEVTs(EVTs, MVT::isInteger).empty());
}
/// isExtFloatingPointVT - Return true if the specified extended value type
/// vector contains isFP or a FP value type.
-static bool isExtFloatingPointInVTs(std::vector<unsigned char> EVTs) {
+static bool isExtFloatingPointInVTs(const std::vector<unsigned char> &EVTs) {
assert(!EVTs.empty() && "Cannot check for integer in empty ExtVT list!");
return EVTs[0] == MVT::isFP ||
!(FilterEVTs(EVTs, MVT::isFloatingPoint).empty());
@@ -103,6 +103,10 @@
ConstraintType = SDTCisOpSmallerThanOp;
x.SDTCisOpSmallerThanOp_Info.BigOperandNum =
R->getValueAsInt("BigOperandNum");
+ } else if (R->isSubClassOf("SDTCisIntVectorOfSameSize")) {
+ ConstraintType = SDTCisIntVectorOfSameSize;
+ x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum =
+ R->getValueAsInt("OtherOpNum");
} else {
std::cerr << "Unrecognized SDTypeConstraint '" << R->getName() << "'!\n";
exit(1);
@@ -259,6 +263,19 @@
}
return MadeChange;
}
+ case SDTCisIntVectorOfSameSize: {
+ 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::getIntVectorWithNumElements(MVT::getVectorNumElements(IVT));
+ return NodeToApply->UpdateNodeType(IVT, TP);
+ }
+ return false;
+ }
}
return false;
}