Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and re-commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 27 deletions

diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index 05c27c47d9..ae62c9fcb2 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -311,12 +311,6 @@ private:
   std::vector<std::pair<std::string, std::string> > OrigChains;
   std::set<std::string> Duplicates;
 
-  /// LSI - Load/Store information.
-  /// Save loads/stores matched by a pattern, and generate a MemOperandSDNode
-  /// for each memory access. This facilitates the use of AliasAnalysis in
-  /// the backend.
-  std::vector<std::string> LSI;
-
   /// GeneratedCode - This is the buffer that we emit code to.  The first int
   /// indicates whether this is an exit predicate (something that should be
   /// tested, and if true, the match fails) [when 1], or normal code to emit
@@ -377,15 +371,6 @@ public:
   void EmitMatchCode(TreePatternNode *N, TreePatternNode *P,
                      const std::string &RootName, const std::string &ChainSuffix,
                      bool &FoundChain) {
-
-    // Save loads/stores matched by a pattern.
-    if (!N->isLeaf() && N->getName().empty() &&
-        ((N->getOperator()->getName() == "ld") ||
-          (N->getOperator()->getName() == "st") ||
-          (N->getOperator()->getName() == "ist"))) {
-      LSI.push_back(RootName);
-    }
-
     bool isRoot = (P == NULL);
     // Emit instruction predicates. Each predicate is just a string for now.
     if (isRoot) {
@@ -948,18 +933,6 @@ public:
         }
       }
 
-      // Generate MemOperandSDNodes nodes for each memory accesses covered by this
-      // pattern.
-      if (isRoot) {
-        std::vector<std::string>::const_iterator mi, mie;
-        for (mi = LSI.begin(), mie = LSI.end(); mi != mie; ++mi) {
-          emitCode("SDOperand LSI_" + *mi + " = "
-                   "CurDAG->getMemOperand(cast<LSBaseSDNode>(" +
-                   *mi + ")->getMemOperand());");
-          AllOps.push_back("LSI_" + *mi);
-        }
-      }
-
       // Emit all the chain and CopyToReg stuff.
       bool ChainEmitted = NodeHasChain;
       if (NodeHasChain)