remove the !nameconcat tblgen feature. It "shorthand" and only used in 4 places

where !cast is just as short.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115722 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 17 insertions, 120 deletions

diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp
index dc793586fbe..3d4e1387601 100644
--- a/utils/TableGen/Record.cpp
+++ b/utils/TableGen/Record.cpp
@@ -152,16 +152,6 @@ Init *StringRecTy::convertValue(BinOpInit *BO) {
       return new BinOpInit(BinOpInit::STRCONCAT, L, R, new StringRecTy);
     return BO;
   }
-  if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
-    if (BO->getType()->getAsString() == getAsString()) {
-      Init *L = BO->getLHS()->convertInitializerTo(this);
-      Init *R = BO->getRHS()->convertInitializerTo(this);
-      if (L == 0 || R == 0) return 0;
-      if (L != BO->getLHS() || R != BO->getRHS())
-        return new BinOpInit(BinOpInit::NAMECONCAT, L, R, new StringRecTy);
-      return BO;
-    }
-  }
 
   return convertValue((TypedInit*)BO);
 }
@@ -236,16 +226,6 @@ Init *DagRecTy::convertValue(BinOpInit *BO) {
       return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
     return BO;
   }
-  if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
-    if (BO->getType()->getAsString() == getAsString()) {
-      Init *L = BO->getLHS()->convertInitializerTo(this);
-      Init *R = BO->getRHS()->convertInitializerTo(this);
-      if (L == 0 || R == 0) return 0;
-      if (L != BO->getLHS() || R != BO->getRHS())
-        return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
-      return BO;
-    }
-  }
   return 0;
 }
 
@@ -518,9 +498,8 @@ Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
         // From TGParser::ParseIDValue
         if (CurRec) {
           if (const RecordVal *RV = CurRec->getValue(Name)) {
-            if (RV->getType() != getType()) {
-              throw "type mismatch in nameconcat";
-            }
+            if (RV->getType() != getType())
+              throw "type mismatch in cast";
             return new VarInit(Name, RV->getType());
           }
 
@@ -529,9 +508,8 @@ Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
             const RecordVal *RV = CurRec->getValue(TemplateArgName);
             assert(RV && "Template arg doesn't exist??");
 
-            if (RV->getType() != getType()) {
-              throw "type mismatch in nameconcat";
-            }
+            if (RV->getType() != getType())
+              throw "type mismatch in cast";
 
             return new VarInit(TemplateArgName, RV->getType());
           }
@@ -543,9 +521,8 @@ Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
             const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
             assert(RV && "Template arg doesn't exist??");
 
-            if (RV->getType() != getType()) {
-              throw "type mismatch in nameconcat";
-            }
+            if (RV->getType() != getType())
+              throw "type mismatch in cast";
 
             return new VarInit(MCName, RV->getType());
           }
@@ -660,57 +637,6 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
       return new StringInit(LHSs->getValue() + RHSs->getValue());
     break;
   }
-  case NAMECONCAT: {
-    StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
-    StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
-    if (LHSs && RHSs) {
-      std::string Name(LHSs->getValue() + RHSs->getValue());
-
-      // From TGParser::ParseIDValue
-      if (CurRec) {
-        if (const RecordVal *RV = CurRec->getValue(Name)) {
-          if (RV->getType() != getType()) {
-            throw "type mismatch in nameconcat";
-          }
-          return new VarInit(Name, RV->getType());
-        }
-
-        std::string TemplateArgName = CurRec->getName()+":"+Name;
-        if (CurRec->isTemplateArg(TemplateArgName)) {
-          const RecordVal *RV = CurRec->getValue(TemplateArgName);
-          assert(RV && "Template arg doesn't exist??");
-
-          if (RV->getType() != getType()) {
-            throw "type mismatch in nameconcat";
-          }
-
-          return new VarInit(TemplateArgName, RV->getType());
-        }
-      }
-
-      if (CurMultiClass) {
-        std::string MCName = CurMultiClass->Rec.getName()+"::"+Name;
-        if (CurMultiClass->Rec.isTemplateArg(MCName)) {
-          const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
-          assert(RV && "Template arg doesn't exist??");
-
-          if (RV->getType() != getType()) {
-            throw "type mismatch in nameconcat";
-          }
-
-          return new VarInit(MCName, RV->getType());
-        }
-      }
-
-      if (Record *D = Records.getDef(Name))
-        return new DefInit(D);
-
-      errs() << "Variable not defined in !nameconcat: '" + Name + "'\n";
-      assert(0 && "Variable not found in !nameconcat");
-      return 0;
-    }
-    break;
-  }
   case EQ: {
     // try to fold eq comparison for 'bit' and 'int', otherwise fallback
     // to string objects.
@@ -771,8 +697,6 @@ std::string BinOpInit::getAsString() const {
   case SRL: Result = "!srl"; break;
   case EQ: Result = "!eq"; break;
   case STRCONCAT: Result = "!strconcat"; break;
-  case NAMECONCAT:
-    Result = "!nameconcat<" + getType()->getAsString() + ">"; break;
   }
   return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
 }
diff --git a/utils/TableGen/Record.h b/utils/TableGen/Record.h
index 85edbf5e979..44d64abd409 100644
--- a/utils/TableGen/Record.h
+++ b/utils/TableGen/Record.h
@@ -848,7 +848,7 @@ public:
 ///
 class BinOpInit : public OpInit {
 public:
-  enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, NAMECONCAT, EQ };
+  enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, EQ };
 private:
   BinaryOp Opc;
   Init *LHS, *RHS;
diff --git a/utils/TableGen/TGLexer.cpp b/utils/TableGen/TGLexer.cpp
index 4ea2e9118ef..12fa39f0092 100644
--- a/utils/TableGen/TGLexer.cpp
+++ b/utils/TableGen/TGLexer.cpp
@@ -427,7 +427,6 @@ tgtok::TokKind TGLexer::LexExclaim() {
   if (Len == 3  && !memcmp(Start, "shl", 3)) return tgtok::XSHL;
   if (Len == 2  && !memcmp(Start, "eq", 2)) return tgtok::XEq;
   if (Len == 9  && !memcmp(Start, "strconcat", 9))   return tgtok::XStrConcat;
-  if (Len == 10 && !memcmp(Start, "nameconcat", 10)) return tgtok::XNameConcat;
   if (Len == 5 && !memcmp(Start, "subst", 5)) return tgtok::XSubst;
   if (Len == 7 && !memcmp(Start, "foreach", 7)) return tgtok::XForEach;
   if (Len == 4 && !memcmp(Start, "cast", 4)) return tgtok::XCast;
diff --git a/utils/TableGen/TGLexer.h b/utils/TableGen/TGLexer.h
index 91392fed452..f5753a404eb 100644
--- a/utils/TableGen/TGLexer.h
+++ b/utils/TableGen/TGLexer.h
@@ -45,7 +45,7 @@ namespace tgtok {
     MultiClass, String,
     
     // !keywords.
-    XConcat, XSRA, XSRL, XSHL, XStrConcat, XNameConcat, XCast, XSubst,
+    XConcat, XSRA, XSRL, XSHL, XStrConcat, XCast, XSubst,
     XForEach, XCar, XCdr, XNull, XIf, XEq,
 
     // Integer value.
diff --git a/utils/TableGen/TGParser.cpp b/utils/TableGen/TGParser.cpp
index 0c46a814c25..d4095392809 100644
--- a/utils/TableGen/TGParser.cpp
+++ b/utils/TableGen/TGParser.cpp
@@ -797,8 +797,7 @@ Init *TGParser::ParseOperation(Record *CurRec) {
   case tgtok::XSRL:
   case tgtok::XSHL:
   case tgtok::XEq:
-  case tgtok::XStrConcat:
-  case tgtok::XNameConcat: {  // Value ::= !binop '(' Value ',' Value ')'
+  case tgtok::XStrConcat: {  // Value ::= !binop '(' Value ',' Value ')'
     tgtok::TokKind OpTok = Lex.getCode();
     SMLoc OpLoc = Lex.getLoc();
     Lex.Lex();  // eat the operation
@@ -808,39 +807,17 @@ Init *TGParser::ParseOperation(Record *CurRec) {
 
     switch (OpTok) {
     default: assert(0 && "Unhandled code!");
-    case tgtok::XConcat:
-      Code = BinOpInit::CONCAT;
-      Type = new DagRecTy();
-      break;
-    case tgtok::XSRA:
-      Code = BinOpInit::SRA;
-      Type = new IntRecTy();
-      break;
-    case tgtok::XSRL:
-      Code = BinOpInit::SRL;
-      Type = new IntRecTy();
-      break;
-    case tgtok::XSHL:
-      Code = BinOpInit::SHL;
-      Type = new IntRecTy();
-      break;
-    case tgtok::XEq:  
-      Code = BinOpInit::EQ;
-      Type = new IntRecTy();
-      break;
+    case tgtok::XConcat: Code = BinOpInit::CONCAT; Type = new DagRecTy(); break;
+    case tgtok::XSRA:    Code = BinOpInit::SRA;    Type = new IntRecTy(); break;
+    case tgtok::XSRL:    Code = BinOpInit::SRL;    Type = new IntRecTy(); break;
+    case tgtok::XSHL:    Code = BinOpInit::SHL;    Type = new IntRecTy(); break;
+    case tgtok::XEq:     Code = BinOpInit::EQ;     Type = new IntRecTy(); break;
     case tgtok::XStrConcat:
       Code = BinOpInit::STRCONCAT;
       Type = new StringRecTy();
       break;
-    case tgtok::XNameConcat:
-      Code = BinOpInit::NAMECONCAT;
-      Type = ParseOperatorType();
-      if (Type == 0) {
-        TokError("did not get type for binary operator");
-        return 0;
-      }
-      break;
     }
+    
     if (Lex.getCode() != tgtok::l_paren) {
       TokError("expected '(' after binary operator");
       return 0;
@@ -1226,9 +1203,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec, RecTy *ItemType) {
   }
   case tgtok::l_paren: {         // Value ::= '(' IDValue DagArgList ')'
     Lex.Lex();   // eat the '('
-    if (Lex.getCode() != tgtok::Id
-        && Lex.getCode() != tgtok::XCast
-        && Lex.getCode() != tgtok::XNameConcat) {
+    if (Lex.getCode() != tgtok::Id && Lex.getCode() != tgtok::XCast) {
       TokError("expected identifier in dag init");
       return 0;
     }
@@ -1278,8 +1253,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec, RecTy *ItemType) {
   case tgtok::XSRL:
   case tgtok::XSHL:
   case tgtok::XEq:
-  case tgtok::XStrConcat:
-  case tgtok::XNameConcat:  // Value ::= !binop '(' Value ',' Value ')'
+  case tgtok::XStrConcat:   // Value ::= !binop '(' Value ',' Value ')'
   case tgtok::XIf:
   case tgtok::XForEach:
   case tgtok::XSubst: {  // Value ::= !ternop '(' Value ',' Value ',' Value ')'