Refactoring of formal parameter flags. Enable properly use of
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 8c90cfb..0e1f0b9 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2242,8 +2242,7 @@
 
       const char *FnName = 0;
       if (Node->getOpcode() == ISD::MEMSET) {
-        Entry.Node = Tmp2; Entry.isSigned = false; Entry.Ty = IntPtrTy;
-        Entry.isInReg = false; Entry.isSRet = false;
+        Entry.Node = Tmp2; Entry.Ty = IntPtrTy;
         Args.push_back(Entry);
         // Extend the (previously legalized) ubyte argument to be an int value
         // for the call.
@@ -2251,17 +2250,15 @@
           Tmp3 = DAG.getNode(ISD::TRUNCATE, MVT::i32, Tmp3);
         else
           Tmp3 = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Tmp3);
-        Entry.Node = Tmp3; Entry.Ty = Type::Int32Ty; Entry.isSigned = true;
-        Entry.isInReg = false; Entry.isSRet = false;
+        Entry.Node = Tmp3; Entry.Ty = Type::Int32Ty; Entry.isSExt = true;
         Args.push_back(Entry);
-        Entry.Node = Tmp4; Entry.Ty = IntPtrTy; Entry.isSigned = false;
+        Entry.Node = Tmp4; Entry.Ty = IntPtrTy; Entry.isSExt = false;
         Args.push_back(Entry);
 
         FnName = "memset";
       } else if (Node->getOpcode() == ISD::MEMCPY ||
                  Node->getOpcode() == ISD::MEMMOVE) {
         Entry.Ty = IntPtrTy;
-        Entry.isSigned = false; Entry.isInReg = false; Entry.isSRet = false;
         Entry.Node = Tmp2; Args.push_back(Entry);
         Entry.Node = Tmp3; Args.push_back(Entry);
         Entry.Node = Tmp4; Args.push_back(Entry);
@@ -4228,7 +4225,7 @@
     MVT::ValueType ArgVT = Node->getOperand(i).getValueType();
     const Type *ArgTy = MVT::getTypeForValueType(ArgVT);
     Entry.Node = Node->getOperand(i); Entry.Ty = ArgTy; 
-    Entry.isSigned = isSigned; Entry.isInReg = false; Entry.isSRet = false;
+    Entry.isSExt = isSigned;
     Args.push_back(Entry);
   }
   SDOperand Callee = DAG.getExternalSymbol(Name, TLI.getPointerTy());