[SelectionDAG] Remove dead code. NFC.

[oota-llvm.git] / include / llvm / CodeGen / SelectionDAGNodes.h

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 523e10c8584184f715981ae2e61c0e678499c536..2f31f8d9b31c8b48ba889be288099d4ebfd6b7f1 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -82,11 +82,6 @@ namespace ISD {
   /// all ConstantFPSDNode or undef.
   bool isBuildVectorOfConstantFPSDNodes(const SDNode *N);
 
-  /// Return true if the specified node is a
-  /// ISD::SCALAR_TO_VECTOR node or a BUILD_VECTOR node where only the low
-  /// element is not an undef.
-  bool isScalarToVector(const SDNode *N);
-
   /// Return true if the node has at least one operand
   /// and all operands of the specified node are ISD::UNDEF.
   bool allOperandsUndef(const SDNode *N);
@@ -676,22 +671,6 @@ public:
     return nullptr;
   }
 
-  // If this is a pseudo op, like copyfromreg, look to see if there is a
-  // real target node glued to it.  If so, return the target node.
-  const SDNode *getGluedMachineNode() const {
-    const SDNode *FoundNode = this;
-
-    // Climb up glue edges until a machine-opcode node is found, or the
-    // end of the chain is reached.
-    while (!FoundNode->isMachineOpcode()) {
-      const SDNode *N = FoundNode->getGluedNode();
-      if (!N) break;
-      FoundNode = N;
-    }
-
-    return FoundNode;
-  }
-
   /// If this node has a glue value with a user, return
   /// the user (there is at most one). Otherwise return NULL.
   SDNode *getGluedUser() const {
@@ -1714,6 +1693,14 @@ public:
   ConstantFPSDNode *
   getConstantFPSplatNode(BitVector *UndefElements = nullptr) const;
 
+  /// \brief If this is a constant FP splat and the splatted constant FP is an
+  /// exact power or 2, return the log base 2 integer value.  Otherwise,
+  /// return -1.
+  ///
+  /// The BitWidth specifies the necessary bit precision.
+  int32_t getConstantFPSplatPow2ToLog2Int(BitVector *UndefElements,
+                                          uint32_t BitWidth) const;
+
   bool isConstant() const;
 
   static inline bool classof(const SDNode *N) {