Merge pull request #6117 from gita-omr/pr_ifvector_flag

Add IfVectorAPI optimizer flag
eclipse · Jul 28, 2021 · e4b287d · e4b287d
2 parents a085752 + 79f2da9
commit e4b287d
Show file tree

Hide file tree

Showing 4 changed files with 11 additions and 1 deletion.
diff --git a/compiler/il/OMRMethodSymbol.hpp b/compiler/il/OMRMethodSymbol.hpp
@@ -125,6 +125,7 @@ class OMR_EXTENSIBLE MethodSymbol : public TR::Symbol
       HasCheckCasts                 = 0x00000004,
       HasInstanceOfs                = 0x00000008,
       HasBranches                   = 0x00000010,
+      HasVectorAPI                  = 0x00000020,
       dummyLastFlag2
       };
 

diff --git a/compiler/il/OMRResolvedMethodSymbol.hpp b/compiler/il/OMRResolvedMethodSymbol.hpp
@@ -252,7 +252,9 @@ class OMR_EXTENSIBLE ResolvedMethodSymbol : public TR::MethodSymbol
    bool hasCheckcastsOrInstanceOfs()         { return _methodFlags2.testAny(HasCheckCasts|HasInstanceOfs); }
    bool hasBranches()                        { return _methodFlags2.testAny(HasBranches); }
    void setHasBranches(bool b)               { _methodFlags2.set(HasBranches, b); }
-
+   bool hasVectorAPI()                       { return _methodFlags2.testAny(HasVectorAPI); }
+   void setHasVectorAPI(bool b)              { _methodFlags2.set(HasVectorAPI, b); }
+
    int32_t getNumberOfBackEdges();
 
    bool canDirectNativeCall()                { return _properties.testAny(CanDirectNativeCall); }

diff --git a/compiler/optimizer/OMROptimizer.cpp b/compiler/optimizer/OMROptimizer.cpp
@@ -1544,6 +1544,12 @@ int32_t OMR::Optimizer::performOptimization(const OptimizationStrategy *optimiza
             }
          break;
          }
+      case IfVectorAPI:
+         {
+         if (comp()->getMethodSymbol()->hasVectorAPI()) // TODO: add disable option and check it here
+            doThisOptimization = true;
+         }
+         break;
       case MarkLastRun:
          doThisOptimization = true;
          TR_ASSERT(optNum < OMR::numOpts ,"No current support for marking groups as last (optNum=%d,numOpt=%d\n",optNum,OMR::numOpts); //make sure we didn't mark groups

diff --git a/compiler/optimizer/OMROptimizer.hpp b/compiler/optimizer/OMROptimizer.hpp
@@ -132,6 +132,7 @@ enum
    IfEAOpportunitiesMarkLastRun,
    IfEAOpportunitiesAndNotOptServer,
    IfAggressiveLiveness,
+   IfVectorAPI,  // JEP414: Extra analysis required to optimize Vector API
    MarkLastRun
    };