Recommitting changes after more testing. These appear to cause no problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48222 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 003f108..e5d70cd 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -872,6 +872,10 @@
std::vector<unsigned char> VT;
VT.push_back(MVT::iPTR);
MadeChange = UpdateNodeType(VT, TP);
+ } else if (ResultNode->getName() == "unknown") {
+ std::vector<unsigned char> VT;
+ VT.push_back(MVT::isUnknown);
+ MadeChange = UpdateNodeType(VT, TP);
} else {
assert(ResultNode->isSubClassOf("RegisterClass") &&
"Operands should be register classes!");
@@ -910,13 +914,15 @@
MadeChange |= Child->UpdateNodeType(VT, TP);
} else if (OperandNode->getName() == "ptr_rc") {
MadeChange |= Child->UpdateNodeType(MVT::iPTR, TP);
+ } else if (OperandNode->getName() == "unknown") {
+ MadeChange |= Child->UpdateNodeType(MVT::isUnknown, TP);
} else {
assert(0 && "Unknown operand type!");
abort();
}
MadeChange |= Child->ApplyTypeConstraints(TP, NotRegisters);
}
-
+
if (ChildNo != getNumChildren())
TP.error("Instruction '" + getOperator()->getName() +
"' was provided too many operands!");
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 0ee6b41..8b70647 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -163,7 +163,7 @@
isVariadic = true;
continue;
} else if (!Rec->isSubClassOf("RegisterClass") &&
- Rec->getName() != "ptr_rc")
+ Rec->getName() != "ptr_rc" && Rec->getName() != "unknown")
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";