Matthias Boehm created SYSTEMML-2473: ----------------------------------------
Summary: Side effect between IPA inlining/dead code and rewrites Key: SYSTEMML-2473 URL: https://issues.apache.org/jira/browse/SYSTEMML-2473 Project: SystemML Issue Type: Task Reporter: Matthias Boehm For special cases IPA rewrites showed side effects with IPA function inlining and dead code elimination leading to a temporarily corrupted function call graph and thus a null pointer exception {code} Caused by: java.lang.NullPointerException at org.apache.sysml.hops.ipa.FunctionCallGraph.removeFunctionCall(FunctionCallGraph.java:182) at org.apache.sysml.hops.ipa.IPAPassEliminateDeadCode.findAndRemoveDeadCode(IPAPassEliminateDeadCode.java:83) at org.apache.sysml.hops.ipa.IPAPassEliminateDeadCode.rewriteProgram(IPAPassEliminateDeadCode.java:57) at org.apache.sysml.hops.ipa.InterProceduralAnalysis.analyzeProgram(InterProceduralAnalysis.java:207) at org.apache.sysml.parser.DMLTranslator.rewriteHopsDAG(DMLTranslator.java:272) at org.apache.sysml.api.DMLScript.execute(DMLScript.java:447) at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:272) ... 10 more {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)