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-rw-r--r--utils/TableGen/CodeGenDAGPatterns.cpp15
-rw-r--r--utils/TableGen/CodeGenDAGPatterns.h3
2 files changed, 10 insertions, 8 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 4375adfdf6..84a041b194 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -586,13 +586,6 @@ static TreePatternNode *getOperandNum(unsigned OpNo, TreePatternNode *N,
bool SDTypeConstraint::ApplyTypeConstraint(TreePatternNode *N,
const SDNodeInfo &NodeInfo,
TreePattern &TP) const {
- // Check that the number of operands is sane. Negative operands -> varargs.
- if (NodeInfo.getNumOperands() >= 0) {
- if (N->getNumChildren() != (unsigned)NodeInfo.getNumOperands())
- TP.error(N->getOperator()->getName() + " node requires exactly " +
- itostr(NodeInfo.getNumOperands()) + " operands!");
- }
-
unsigned ResNo = 0; // The result number being referenced.
TreePatternNode *NodeToApply = getOperandNum(OperandNo, N, NodeInfo, ResNo);
@@ -1238,6 +1231,12 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
if (getOperator()->isSubClassOf("SDNode")) {
const SDNodeInfo &NI = CDP.getSDNodeInfo(getOperator());
+ // Check that the number of operands is sane. Negative operands -> varargs.
+ if (NI.getNumOperands() >= 0 &&
+ getNumChildren() != (unsigned)NI.getNumOperands())
+ TP.error(getOperator()->getName() + " node requires exactly " +
+ itostr(NI.getNumOperands()) + " operands!");
+
bool MadeChange = NI.ApplyTypeConstraints(this, TP);
for (unsigned i = 0, e = getNumChildren(); i != e; ++i)
MadeChange |= getChild(i)->ApplyTypeConstraints(TP, NotRegisters);
@@ -1469,7 +1468,7 @@ TreePatternNode *TreePattern::ParseTreePattern(Init *TheInit, StringRef OpName){
// Input argument?
TreePatternNode *Res = new TreePatternNode(DI, 1);
- if (R->getName() == "node") {
+ if (R->getName() == "node" && !OpName.empty()) {
if (OpName.empty())
error("'node' argument requires a name to match with operand list");
Args.push_back(OpName);
diff --git a/utils/TableGen/CodeGenDAGPatterns.h b/utils/TableGen/CodeGenDAGPatterns.h
index 29c6c5615c..0960647300 100644
--- a/utils/TableGen/CodeGenDAGPatterns.h
+++ b/utils/TableGen/CodeGenDAGPatterns.h
@@ -199,6 +199,9 @@ public:
SDNodeInfo(Record *R); // Parse the specified record.
unsigned getNumResults() const { return NumResults; }
+
+ /// getNumOperands - This is the number of operands required or -1 if
+ /// variadic.
int getNumOperands() const { return NumOperands; }
Record *getRecord() const { return Def; }
const std::string &getEnumName() const { return EnumName; }