DebugLoc form of getNOT().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63433 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 895285c748430c3f3cbeeedb989ff3f778359fcf..0972f6b3b785efd88143e00f0606dea39db4afb1 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -379,6 +379,7 @@ public:
   
   /// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
   SDValue getNOT(SDValue Val, MVT VT);
+  SDValue getNOT(DebugLoc DL, SDValue Val, MVT VT);
 
   /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
   /// a flag result (to ensure it's not CSE'd).

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 16f17e56f46578a6590a5e9d766172ec1030ee37..d573476a35d54ffecfe0c4cba9b1906be3c6171a 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -846,6 +846,23 @@ SDValue SelectionDAG::getNOT(SDValue Val, MVT VT) {
   return getNode(ISD::XOR, VT, Val, NegOne);
 }
 
+/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
+///
+SDValue SelectionDAG::getNOT(DebugLoc DL, SDValue Val, MVT VT) {
+  SDValue NegOne;
+  if (VT.isVector()) {
+    MVT EltVT = VT.getVectorElementType();
+    SDValue NegOneElt = getConstant(EltVT.getIntegerVTBitMask(), EltVT);
+    std::vector<SDValue> NegOnes(VT.getVectorNumElements(), NegOneElt);
+    NegOne = getNode(ISD::BUILD_VECTOR, DebugLoc::getUnknownLoc(), VT,
+                     &NegOnes[0], NegOnes.size());
+  } else {
+    NegOne = getConstant(VT.getIntegerVTBitMask(), VT);
+  }
+
+  return getNode(ISD::XOR, DL, VT, Val, NegOne);
+}
+
 SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
   MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
   assert((EltVT.getSizeInBits() >= 64 ||