Add support to tablegen for naming the nodes themselves, not just the operands,

in selectiondag patterns.  This is required for the upcoming shuffle_vector rewrite,
and as it turns out, cleans up a hack in the Alpha instruction info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67286 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 4 deletions

diff --git a/utils/TableGen/Record.h b/utils/TableGen/Record.h
index 3b2141c..32172ef 100644
--- a/utils/TableGen/Record.h
+++ b/utils/TableGen/Record.h
@@ -857,11 +857,13 @@ public:
 ///
 class DagInit : public Init {
   Init *Val;
+  std::string ValName;
   std::vector<Init*> Args;
   std::vector<std::string> ArgNames;
 public:
-  DagInit(Init *V, const std::vector<std::pair<Init*, std::string> > &args)
-    : Val(V) {
+  DagInit(Init *V, std::string VN, 
+          const std::vector<std::pair<Init*, std::string> > &args)
+    : Val(V), ValName(VN) {
     Args.reserve(args.size());
     ArgNames.reserve(args.size());
     for (unsigned i = 0, e = args.size(); i != e; ++i) {
@@ -869,9 +871,9 @@ public:
       ArgNames.push_back(args[i].second);
     }
   }
-  DagInit(Init *V, const std::vector<Init*> &args, 
+  DagInit(Init *V, std::string VN, const std::vector<Init*> &args, 
           const std::vector<std::string> &argNames)
-  : Val(V), Args(args), ArgNames(argNames) {
+  : Val(V), ValName(VN), Args(args), ArgNames(argNames) {
   }
   
   virtual Init *convertInitializerTo(RecTy *Ty) {
@@ -880,6 +882,8 @@ public:
 
   Init *getOperator() const { return Val; }
 
+  const std::string &getName() const { return ValName; }
+
   unsigned getNumArgs() const { return Args.size(); }
   Init *getArg(unsigned Num) const {
     assert(Num < Args.size() && "Arg number out of range!");