Std:unordered_map removed from Optimizer for improved performance

[android-x86/external-swiftshader.git] / third_party / subzero / src / IceCfgNode.h

diff --git a/third_party/subzero/src/IceCfgNode.h b/third_party/subzero/src/IceCfgNode.h
index cf20e13..b2d2de8 100644 (file)
--- a/third_party/subzero/src/IceCfgNode.h
+++ b/third_party/subzero/src/IceCfgNode.h
@@ -127,6 +127,9 @@ public:
   }
   CfgNode *shortCircuit();
 
+  inline void* getExternalData() const { return externalData; }
+  inline void setExternalData(void* data) { externalData = data; }
+
 private:
   CfgNode(Cfg *Func, SizeT Number)
       : Func(Func), Number(Number), NumberOrig(Number),
@@ -145,6 +148,11 @@ private:
   NodeList OutEdges;                 /// in no particular order
   PhiList Phis;                      /// unordered set of phi instructions
   InstList Insts;                    /// ordered list of non-phi instructions
+
+  /// External data can be set by an optimizer to compute and retain any
+  /// information related to the current node. All the memory used to
+  /// store this information must be managed by the optimizer.
+  void* externalData = nullptr;
 };
 
 } // end of namespace Ice