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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Good Morning, all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I stumbled across a couple o’ three of curious things in the LLVM code. I’m too new to this to know whether these are functioning correctly or not. Guidance would be appreciated.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Perhaps it is something I have done wrong, but my executions of llc are creating two FPPassManager objects (that run different sets of passes). FPPassManager contains a static char ID (as expected), so I expected only one FPPassManager object to be constructed during a single execution.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>LocalStackSlotAllocation::runOnMachineFunction returns true even when it has not changed the data (in any way that I can see). <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The destructor of SelectionDAGISel deletes MF, a pointer to a member variable the class did not new.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Again, I’m too new to LLVM to know whether these things are as designed or unintentional.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many Thanks,<o:p></o:p></p><p class=MsoNormal>JD Jones<o:p></o:p></p><p class=MsoNormal>Software Engineer<o:p></o:p></p><p class=MsoNormal>Paragon Research Corporation<o:p></o:p></p><p class=MsoNormal>www.prc-hsv.com<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Not a Contribution<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>
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