[LLVMbugs] [Bug 2800] New: simplifycfg turns IR invalid

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue Sep 16 07:01:02 PDT 2008


           Summary: simplifycfg turns IR invalid
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: tomas.l.olsen at gmail.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=2020)
 --> (http://llvm.org/bugs/attachment.cgi?id=2020)
bitcode from just before the simplifycfg pass that turns it invalid

I have a module which seems to be working fine, it verifies, compiles with llc
etc. However a specific optimization route turns the IR invalid on the
simplifycfg pass.

Steps to reproduce:

opt -o=foo.bc -simplifycfg SharedLib.bc

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