add enough support for indirect branch for the feature test to pass
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85274 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h
index b6877bc..37473a0 100644
--- a/lib/AsmParser/LLParser.h
+++ b/lib/AsmParser/LLParser.h
@@ -230,7 +230,13 @@
       Loc = Lex.getLoc();
       return ParseTypeAndValue(V, PFS);
     }
-
+    bool ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc,
+                                PerFunctionState &PFS);
+    bool ParseTypeAndBasicBlock(BasicBlock *&BB, PerFunctionState &PFS) {
+      LocTy Loc;
+      return ParseTypeAndBasicBlock(BB, Loc, PFS);
+    }
+  
     struct ParamInfo {
       LocTy Loc;
       Value *V;
@@ -264,6 +270,7 @@
     bool ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS);
     bool ParseBr(Instruction *&Inst, PerFunctionState &PFS);
     bool ParseSwitch(Instruction *&Inst, PerFunctionState &PFS);
+    bool ParseIndBr(Instruction *&Inst, PerFunctionState &PFS);
     bool ParseInvoke(Instruction *&Inst, PerFunctionState &PFS);
 
     bool ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,