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-rw-r--r--include/llvm/Target/Target.td3
-rw-r--r--utils/TableGen/CodeGenDAGPatterns.cpp4
-rw-r--r--utils/TableGen/CodeGenInstruction.cpp2
3 files changed, 5 insertions, 4 deletions
diff --git a/include/llvm/Target/Target.td b/include/llvm/Target/Target.td
index 87bd84ec84..42747af41e 100644
--- a/include/llvm/Target/Target.td
+++ b/include/llvm/Target/Target.td
@@ -495,7 +495,8 @@ def ptr_rc : PointerLikeRegClass<0>;
/// unknown definition - Mark this operand as being of unknown type, causing
/// it to be resolved by inference in the context it is used.
-def unknown;
+class unknown_class;
+def unknown : unknown_class;
/// AsmOperandClass - Representation for the kinds of operands which the target
/// specific parser can create and the assembly matcher may need to distinguish.
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 8713a56916..0dcb4eed4e 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -1535,7 +1535,7 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
const CodeGenRegisterClass &RC =
CDP.getTargetInfo().getRegisterClass(RegClass);
MadeChange |= UpdateNodeType(ResNo, RC.getValueTypes(), TP);
- } else if (ResultNode->getName() == "unknown") {
+ } else if (ResultNode->isSubClassOf("unknown_class")) {
// Nothing to do.
} else {
assert(ResultNode->isSubClassOf("RegisterClass") &&
@@ -1602,7 +1602,7 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
MadeChange |= Child->UpdateNodeType(ChildResNo, VT, TP);
} else if (OperandNode->isSubClassOf("PointerLikeRegClass")) {
MadeChange |= Child->UpdateNodeType(ChildResNo, MVT::iPTR, TP);
- } else if (OperandNode->getName() == "unknown") {
+ } else if (OperandNode->isSubClassOf("unknown_class")) {
// Nothing to do.
} else
llvm_unreachable("Unknown operand type!");
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 38e2b832f2..836279b89a 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -101,7 +101,7 @@ CGIOperandList::CGIOperandList(Record *R) : TheDef(R) {
} else if (Rec->isSubClassOf("RegisterClass")) {
OperandType = "OPERAND_REGISTER";
} else if (!Rec->isSubClassOf("PointerLikeRegClass") &&
- Rec->getName() != "unknown")
+ !Rec->isSubClassOf("unknown_class"))
throw "Unknown operand class '" + Rec->getName() +
"' in '" + R->getName() + "' instruction!";