[LLVMbugs] [Bug 6908] New: stackoverflow when using LegalizeAllNodesNotLeadingTo or AssignOrderingToNode on large bitcode files

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Apr 23 15:42:37 CDT 2010


http://llvm.org/bugs/show_bug.cgi?id=6908

           Summary: stackoverflow when using LegalizeAllNodesNotLeadingTo
                    or AssignOrderingToNode on large bitcode files
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: alexmac at adobe.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=4725)
 --> (http://llvm.org/bugs/attachment.cgi?id=4725)
proposed fix

Some of the code we generate ends up so large and complex that we can run out
of stack space when running these recursive codegen functions
(LegalizeAllNodesNotLeadingTo and AssignOrderingToNode). We've altered them to
be iterative so that they work with large bitcode files.

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