Factor code out into a new getAllDerivedDefinitions method, which is generally useful

llvm-svn: 7461

1 files changed, 1 insertions, 6 deletions

diff --git a/llvm/support/tools/TableGen/CodeEmitterGen.cpp b/llvm/support/tools/TableGen/CodeEmitterGen.cpp
index 87f3b87dbdf..75303c4f60d 100644
--- a/llvm/support/tools/TableGen/CodeEmitterGen.cpp
+++ b/llvm/support/tools/TableGen/CodeEmitterGen.cpp
@@ -12,13 +12,8 @@ bool CodeEmitterGen::run(std::ostream &o) {
   std::vector<Record*> Insts;
 
   const std::map<std::string, Record*> &Defs = Records.getDefs();
-  Record *Inst = Records.getClass("Instruction");
-  assert(Inst && "Couldn't find Instruction class!");
 
-  for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
-	 E = Defs.end(); I != E; ++I)
-    if (I->second->isSubClassOf(Inst))
-      Insts.push_back(I->second);
+  Records.getAllDerivedDefinitions("Instruction", Insts);
 
   std::string Namespace = "V9::";
   std::string ClassName = "SparcV9CodeEmitter::";