Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode.

This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

Also, remove some uses of dyn_cast that should really be cast (which is
cheaper in a release build).

llvm-svn: 22368

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/Target/IA64/IA64ISelPattern.cpp b/llvm/lib/Target/IA64/IA64ISelPattern.cpp
index 3b3f90a489c..7d19da4c0f1 100644
--- a/llvm/lib/Target/IA64/IA64ISelPattern.cpp
+++ b/llvm/lib/Target/IA64/IA64ISelPattern.cpp
@@ -1815,9 +1815,7 @@ pC = pA OR pB
 
   case ISD::SIGN_EXTEND_INREG: {
     Tmp1 = SelectExpr(N.getOperand(0));
-    MVTSDNode* MVN = dyn_cast<MVTSDNode>(Node);
-    switch(MVN->getExtraValueType())
-    {
+    switch(cast<VTSDNode>(Node->getOperand(1))->getVT()) {
     default:
       Node->dump();
       assert(0 && "don't know how to sign extend this type");
@@ -1963,7 +1961,8 @@ pC = pA OR pB
         case MVT::f64: Opc = IA64::LDF8; break;
       }
     } else { // this is an EXTLOAD or ZEXTLOAD
-      MVT::ValueType TypeBeingLoaded = cast<MVTSDNode>(Node)->getExtraValueType();
+      MVT::ValueType TypeBeingLoaded =
+        cast<VTSDNode>(Node->getOperand(3))->getVT();
       switch (TypeBeingLoaded) {
         default: assert(0 && "Cannot extload/zextload this type!");
         // FIXME: bools?