Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22366 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index b29b11f..f5a09a7 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -2530,7 +2530,7 @@
         case MVT::f32: Opc = PPC::STFS; break;
         }
       } else { //ISD::TRUNCSTORE
-        switch(cast<MVTSDNode>(Node)->getExtraValueType()) {
+        switch(cast<VTSDNode>(Node->getOperand(4))->getVT()) {
         default: assert(0 && "unknown Type in store");
         case MVT::i1:
         case MVT::i8: Opc  = PPC::STB; break;