Merge pull request eclipse-omr#7146 from mpirvu/cpu_improv

Change cheapGlobalValuePropagationOpts and cheapObjectAllocationOpts …
dmitripivkine · Oct 17, 2023 · 0a5e058 · 0a5e058
2 parents e85ef46 + 0e30142
commit 0a5e058
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/compiler/optimizer/OMROptimizer.cpp b/compiler/optimizer/OMROptimizer.cpp
@@ -155,10 +155,7 @@ const OptimizationStrategy reorderArrayIndexOpts[] =
 
 const OptimizationStrategy cheapObjectAllocationOpts[] =
    {
-   { eachEscapeAnalysisPassGroup, IfEAOpportunitiesAndNotOptServer    },
    { explicitNewInitialization, IfNews      }, // do before local dead store
-    // basicBlockHoisting,                     // merge block into pred and prepare for local dead store
-   { localDeadStoreElimination              }, // remove local/parm/some field stores
    { endGroup                               }
    };
 
@@ -191,16 +188,12 @@ const OptimizationStrategy cheapGlobalValuePropagationOpts[] =
    { treeSimplification,          IfOptServer }, // for WAS trace folding
    { localCSE,                    IfEnabledAndOptServer }, // for WAS trace folding
    { treeSimplification,          IfEnabledAndOptServer }, // for WAS trace folding
-   { globalValuePropagation,      IfMoreThanOneBlock },
-   { localValuePropagation,       IfOneBlock },
+   { globalValuePropagation,      IfLoopsMarkLastRun },
    { treeSimplification,          IfEnabled },
    { cheapObjectAllocationGroup             },
-   { globalValuePropagation,      IfEnabled }, // if inlined a call or an object
    { treeSimplification,          IfEnabled },
    { catchBlockRemoval,           IfEnabled }, // if checks were removed
    { osrExceptionEdgeRemoval                }, // most inlining is done by now
-   { redundantMonitorElimination, IfMonitors }, // performed if method has monitors
-   { redundantMonitorElimination, IfEnabledAndMonitors }, // performed if method has monitors
    { globalValuePropagation,      IfEnabledAndMoreThanOneBlockMarkLastRun}, // mark monitors requiring sync
    { virtualGuardTailSplitter,    IfEnabled }, // merge virtual guards
    { CFGSimplification                    },