From 3671def96221e542e1f170de226c8859b676b48e Mon Sep 17 00:00:00 2001 From: Elena Demikhovsky Date: Thu, 10 Sep 2015 06:33:13 +0000 Subject: [PATCH] Added isUndef() interface for SDNode Differential Revision: http://reviews.llvm.org/D12720 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247246 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/SelectionDAGNodes.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 4821d1aae9e..eefa76d37d6 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -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() const { 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); } -- 2.34.1