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Added isUndef() interface for SDNode

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

llvm-svn: 247246
This commit is contained in:
Elena Demikhovsky 2015-09-10 06:33:13 +00:00
parent c484a28f0a
commit 49ab60d17b
1 changed files with 7 additions and 0 deletions
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7
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -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);
}