Hide the call to InitMCInstrInfo into tblgen generated ctor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134244 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index 7b90663..5e2fdf0 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -208,7 +208,6 @@
OperandInfoIDs, OS);
OS << "};\n\n";
-
// MCInstrInfo initialization routine.
OS << "static inline void Init" << TargetName
<< "MCInstrInfo(MCInstrInfo *II) {\n";
@@ -218,6 +217,31 @@
OS << "} // End llvm namespace \n";
OS << "#endif // GET_INSTRINFO_MC_DESC\n\n";
+
+ // Create a TargetInstrInfo subclass to hide the MC layer initialization.
+ OS << "\n#ifdef GET_INSTRINFO_HEADER\n";
+ OS << "#undef GET_INSTRINFO_HEADER\n";
+
+ std::string ClassName = TargetName + "GenInstrInfo";
+ OS << "namespace llvm {\n\n";
+ OS << "struct " << ClassName << " : public TargetInstrInfoImpl {\n"
+ << " explicit " << ClassName << "(int SO = -1, int DO = -1);\n"
+ << "};\n";
+ OS << "} // End llvm namespace \n";
+
+ OS << "#endif // GET_INSTRINFO_HEADER\n\n";
+
+ OS << "\n#ifdef GET_INSTRINFO_CTOR\n";
+ OS << "#undef GET_INSTRINFO_CTOR\n";
+
+ OS << "namespace llvm {\n\n";
+ OS << ClassName << "::" << ClassName << "(int SO, int DO)\n"
+ << " : TargetInstrInfoImpl(SO, DO) {\n"
+ << " InitMCInstrInfo(" << TargetName << "Insts, "
+ << NumberedInstructions.size() << ");\n}\n";
+ OS << "} // End llvm namespace \n";
+
+ OS << "#endif // GET_INSTRINFO_CTOR\n\n";
}
void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,