[llvm] r247246 - Added isUndef() interface for SDNode

[Elena Demikhovsky via llvm-commits]

Author: delena
Date: Thu Sep 10 01:33:13 2015
New Revision: 247246

URL: http://llvm.org/viewvc/llvm-project?rev=247246&view=rev
Log:
Added isUndef() interface for SDNode

Differential Revision: http://reviews.llvm.org/D12720


Modified:
    llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h?rev=247246&r1=247245&r2=247246&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h Thu Sep 10 01:33:13 2015
@@ -167,6 +167,7 @@ public:
   inline bool isTargetMemoryOpcode() const;
   inline bool isTargetOpcode() const;
   inline bool isMachineOpcode() const;
+  inline bool isUndef() const;
   inline unsigned getMachineOpcode() const;
   inline const DebugLoc &getDebugLoc() const;
   inline void dump() const;
@@ -395,6 +396,9 @@ public:
     return NodeType >= ISD::FIRST_TARGET_MEMORY_OPCODE;
   }
 
+  /// Return true if the type of the node type undefined.
+  bool isUndef() const { return NodeType == ISD::UNDEF; }
+
   /// Test if this node is a memory intrinsic (with valid pointer information).
   /// INTRINSIC_W_CHAIN and INTRINSIC_VOID nodes are sometimes created for
   /// non-memory intrinsics (with chains) that are not really instances of
@@ -909,6 +913,9 @@ inline bool SDValue::isMachineOpcode() c
 inline unsigned SDValue::getMachineOpcode() const {
   return Node->getMachineOpcode();
 }
+inline bool SDValue::isUndef() const {
+  return Node->isUndef();
+}
 inline bool SDValue::use_empty() const {
   return !Node->hasAnyUseOfValue(ResNo);
 }