Revert "Take account of boolean vector contents when promoting a build vector from i1 to some other type. rdar://problem/12210060"

This reverts commit 5dd9e214fb92847e947f9edab170f9b4e52b908f.

Thanks to Duncan for explaining how this should have been done.

Conflicts:

	test/CodeGen/X86/vec_select.ll

llvm-svn: 163064

1 files changed, 1 insertions, 17 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index cd93a511b66..e8e968aaef3 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -2913,24 +2913,8 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_VECTOR(SDNode *N) {
 
   SmallVector<SDValue, 8> Ops;
   Ops.reserve(NumElems);
-  unsigned ExtendOp = ISD::ANY_EXTEND;
-  // Extending boolean constants needs to consider the
-  // value boolean vector constants take on this target and extend
-  // with sign or zeros appropriately.
-  if (OutVT.getVectorElementType() == MVT::i1) {
-    switch (TLI.getBooleanContents(true)) {
-      case TargetLowering::UndefinedBooleanContent:
-        break;
-      case TargetLowering::ZeroOrOneBooleanContent:
-      ExtendOp = ISD::ZERO_EXTEND;
-        break;
-      case TargetLowering::ZeroOrNegativeOneBooleanContent:
-        ExtendOp = ISD::SIGN_EXTEND;
-        break;
-    }
-  }
   for (unsigned i = 0; i != NumElems; ++i) {
-    SDValue Op = DAG.getNode(ExtendOp, dl, NOutVTElem, N->getOperand(i));
+    SDValue Op = DAG.getNode(ISD::ANY_EXTEND, dl, NOutVTElem, N->getOperand(i));
     Ops.push_back(Op);
   }