tblgen: Use semantically correct RTTI functions.

Also, some minor cleanup.

llvm-svn: 165647

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/utils/TableGen/FastISelEmitter.cpp b/llvm/utils/TableGen/FastISelEmitter.cpp
index c6d71ff8cf4..03e918fa4b0 100644
--- a/llvm/utils/TableGen/FastISelEmitter.cpp
+++ b/llvm/utils/TableGen/FastISelEmitter.cpp
@@ -406,13 +406,12 @@ static std::string PhyRegForNode(TreePatternNode *Op,
   if (!Op->isLeaf())
     return PhysReg;
 
-  DefInit *OpDI = dyn_cast<DefInit>(Op->getLeafValue());
-  Record *OpLeafRec = OpDI->getDef();
+  Record *OpLeafRec = cast<DefInit>(Op->getLeafValue())->getDef();
   if (!OpLeafRec->isSubClassOf("Register"))
     return PhysReg;
 
-  PhysReg += static_cast<StringInit*>(OpLeafRec->getValue( \
-             "Namespace")->getValue())->getValue();
+  PhysReg += cast<StringInit>(OpLeafRec->getValue("Namespace")->getValue())
+               ->getValue();
   PhysReg += "::";
   PhysReg += Target.getRegBank().getReg(OpLeafRec)->getName();
   return PhysReg;