X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FTableGen%2FTGParser.cpp;h=10e80fb9190cc978ad6bdd84de2c7f3e680342a1;hp=e5f6f165d13f707d0b7eb86c991c571ea5f7c115;hb=ae62636ef881aa040e9c550cccb8404a4598a957;hpb=8d08283a5affcdd34ea709c4c17f05803d6df3d5;ds=sidebyside

diff --git a/lib/TableGen/TGParser.cpp b/lib/TableGen/TGParser.cpp
index e5f6f165d13..10e80fb9190 100644
--- a/lib/TableGen/TGParser.cpp
+++ b/lib/TableGen/TGParser.cpp
@@ -77,7 +77,8 @@ bool TGParser::AddValue(Record *CurRec, SMLoc Loc, const RecordVal &RV) {
 /// SetValue -
 /// Return true on error, false on success.
 bool TGParser::SetValue(Record *CurRec, SMLoc Loc, Init *ValName,
-                        const std::vector<unsigned> &BitList, Init *V) {
+                        const std::vector<unsigned> &BitList, Init *V,
+                        bool AllowSelfAssignment) {
   if (!V) return false;
 
   if (!CurRec) CurRec = &CurMultiClass->Rec;
@@ -91,8 +92,8 @@ bool TGParser::SetValue(Record *CurRec, SMLoc Loc, Init *ValName,
   // in the resolution machinery.
   if (BitList.empty())
     if (VarInit *VI = dyn_cast<VarInit>(V))
-      if (VI->getNameInit() == ValName)
-        return false;
+      if (VI->getNameInit() == ValName && !AllowSelfAssignment)
+        return true;
 
   // If we are assigning to a subset of the bits in the value... then we must be
   // assigning to a field of BitsRecTy, which must have a BitsInit
@@ -2359,7 +2360,8 @@ Record *TGParser::InstantiateMulticlassDef(MultiClass &MC, Record *DefProto,
   // though, so that uses in nested multiclass names don't get
   // confused.
   if (SetValue(CurRec.get(), Ref.RefRange.Start, "NAME",
-               std::vector<unsigned>(), DefmPrefix)) {
+               std::vector<unsigned>(), DefmPrefix,
+               /*AllowSelfAssignment*/true)) {
     Error(DefmPrefixRange.Start, "Could not resolve " +
           CurRec->getNameInitAsString() + ":NAME to '" +
           DefmPrefix->getAsUnquotedString() + "'");