[AVX] Make ListInits Unique

Ensure ListInits are unique and only created once.  This will be
important for AVX as lists will be used extensively to pass generic
patterns, prefix information and other things to lower-level
pattern-generation classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136493 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 5 deletions

diff --git a/utils/TableGen/Record.h b/utils/TableGen/Record.h
index e70cad1a32..cbde0e9bdb 100644
--- a/utils/TableGen/Record.h
+++ b/utils/TableGen/Record.h
@@ -1,3 +1,4 @@
+
 //===- Record.h - Classes to represent Table Records ------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
@@ -801,15 +802,12 @@ public:
 
 /// ListInit - [AL, AH, CL] - Represent a list of defs
 ///
-class ListInit : public TypedInit {
+class ListInit : public TypedInit, public FoldingSetNode {
   std::vector<const Init*> Values;
 public:
   typedef std::vector<const Init*>::const_iterator const_iterator;
 
-  explicit ListInit(std::vector<const Init*> &Vs, RecTy *EltTy)
-    : TypedInit(ListRecTy::get(EltTy)) {
-    Values.swap(Vs);
-  }
+private:
   explicit ListInit(ArrayRef<const Init *> Range, RecTy *EltTy)
       : TypedInit(ListRecTy::get(EltTy)), Values(Range.begin(), Range.end()) {}
 
@@ -819,6 +817,8 @@ public:
 public:
   static const ListInit *get(ArrayRef<const Init *> Range, RecTy *EltTy);
 
+  void Profile(FoldingSetNodeID &ID) const;
+
   unsigned getSize() const { return Values.size(); }
   const Init *getElement(unsigned i) const {
     assert(i < Values.size() && "List element index out of range!");