Revert 69952. Causes testsuite failures on linux x86-64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69967 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 38 insertions, 4 deletions

diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 52d8ca407c..804d1df128 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -194,6 +194,10 @@ SDTypeConstraint::SDTypeConstraint(Record *R) {
     ConstraintType = SDTCisOpSmallerThanOp;
     x.SDTCisOpSmallerThanOp_Info.BigOperandNum = 
       R->getValueAsInt("BigOperandNum");
+  } else if (R->isSubClassOf("SDTCisIntVectorOfSameSize")) {
+    ConstraintType = SDTCisIntVectorOfSameSize;
+    x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum =
+      R->getValueAsInt("OtherOpNum");
   } else if (R->isSubClassOf("SDTCisEltOfVec")) {
     ConstraintType = SDTCisEltOfVec;
     x.SDTCisEltOfVec_Info.OtherOperandNum =
@@ -361,9 +365,23 @@ bool SDTypeConstraint::ApplyTypeConstraint(TreePatternNode *N,
     }    
     return MadeChange;
   }
+  case SDTCisIntVectorOfSameSize: {
+    TreePatternNode *OtherOperand =
+      getOperandNum(x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum,
+                    N, NumResults);
+    if (OtherOperand->hasTypeSet()) {
+      if (!isVector(OtherOperand->getTypeNum(0)))
+        TP.error(N->getOperator()->getName() + " VT operand must be a vector!");
+      MVT IVT = OtherOperand->getTypeNum(0);
+      unsigned NumElements = IVT.getVectorNumElements();
+      IVT = MVT::getIntVectorWithNumElements(NumElements);
+      return NodeToApply->UpdateNodeType(IVT.getSimpleVT(), TP);
+    }
+    return false;
+  }
   case SDTCisEltOfVec: {
     TreePatternNode *OtherOperand =
-      getOperandNum(x.SDTCisEltOfVec_Info.OtherOperandNum,
+      getOperandNum(x.SDTCisIntVectorOfSameSize_Info.OtherOperandNum,
                     N, NumResults);
     if (OtherOperand->hasTypeSet()) {
       if (!isVector(OtherOperand->getTypeNum(0)))
@@ -907,6 +925,25 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
     if (NI.getNumResults() == 0)
       MadeChange |= UpdateNodeType(MVT::isVoid, TP);
     
+    // If this is a vector_shuffle operation, apply types to the build_vector
+    // operation.  The types of the integers don't matter, but this ensures they
+    // won't get checked.
+    if (getOperator()->getName() == "vector_shuffle" &&
+        getChild(2)->getOperator()->getName() == "build_vector") {
+      TreePatternNode *BV = getChild(2);
+      const std::vector<MVT::SimpleValueType> &LegalVTs
+        = CDP.getTargetInfo().getLegalValueTypes();
+      MVT::SimpleValueType LegalIntVT = MVT::Other;
+      for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i)
+        if (isInteger(LegalVTs[i]) && !isVector(LegalVTs[i])) {
+          LegalIntVT = LegalVTs[i];
+          break;
+        }
+      assert(LegalIntVT != MVT::Other && "No legal integer VT?");
+            
+      for (unsigned i = 0, e = BV->getNumChildren(); i != e; ++i)
+        MadeChange |= BV->getChild(i)->UpdateNodeType(LegalIntVT, TP);
+    }
     return MadeChange;  
   } else if (getOperator()->isSubClassOf("Instruction")) {
     const DAGInstruction &Inst = CDP.getInstruction(getOperator());
@@ -2049,9 +2086,6 @@ void CodeGenDAGPatterns::ParsePatterns() {
       IterateInference |= Result->getTree(0)->
         UpdateNodeType(Pattern->getTree(0)->getExtTypes(), *Result);
     } while (IterateInference);
-    
-    // Blah?
-    Result->getTree(0)->setTransformFn(Pattern->getTree(0)->getTransformFn());
 
     // Verify that we inferred enough types that we can do something with the
     // pattern and result.  If these fire the user has to add type casts.