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[DAG] Ensure all SD classes consistently return a const reference with getDebugLoc(). NFCI.

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Avoids a lot of unnecessary tracking increments/decrements of the underlying TrackingMDNodeRef.
This commit is contained in:
Simon Pilgrim 2021-05-07 13:43:10 +01:00
parent f2e0efd85f
commit b5e4cc0124
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
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@ -211,7 +211,7 @@ public:
bool isVariadic() const { return IsVariadic; }
/// Returns the DebugLoc.
DebugLoc getDebugLoc() const { return DL; }
const DebugLoc &getDebugLoc() const { return DL; }
/// Returns the SDNodeOrder. This is the order of the preceding node in the
/// input.
@ -251,7 +251,7 @@ public:
MDNode *getLabel() const { return Label; }
/// Returns the DebugLoc.
DebugLoc getDebugLoc() const { return DL; }
const DebugLoc &getDebugLoc() const { return DL; }
/// Returns the SDNodeOrder. This is the order of the preceding node in the
/// input.