Teach TableGen to automatically generate missing SubRegIndex instances.
The RegisterInfo.td file should only specify the indexes that sources need to
refer to. The rest is inferred.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131058 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index 57f7fdc..0328c9a 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -98,14 +98,14 @@
/// namespace qualifier if the record contains one.
///
std::string llvm::getQualifiedName(const Record *R) {
- std::string Namespace = R->getValueAsString("Namespace");
+ std::string Namespace;
+ if (R->getValue("Namespace"))
+ Namespace = R->getValueAsString("Namespace");
if (Namespace.empty()) return R->getName();
return Namespace + "::" + R->getName();
}
-
-
/// getTarget - Return the current instance of the Target class.
///
CodeGenTarget::CodeGenTarget(RecordKeeper &records) : Records(records) {
@@ -182,6 +182,13 @@
std::sort(SubRegIndices.begin(), SubRegIndices.end(), LessRecord());
}
+Record *CodeGenTarget::createSubRegIndex(const std::string &Name) {
+ Record *R = new Record(Name, SMLoc(), Records);
+ Records.addDef(R);
+ SubRegIndices.push_back(R);
+ return R;
+}
+
void CodeGenTarget::ReadRegisterClasses() const {
std::vector<Record*> RegClasses =
Records.getAllDerivedDefinitions("RegisterClass");