https://bugs.freedesktop.org/show_bug.cgi?id=90056
--- Comment #13 from Andy Furniss <adf.lists at gmail.com> --- (In reply to Tom Stellard from comment #12) > (In reply to Andy Furniss from comment #10) > > (In reply to Grigori Goronzy from comment #9) > > > Created attachment 115409 [details] [review] [review] [review] > > > Full shader > > > > > > That does not help either. Seems to break the SSA somehow. Full shader > > > that > > > triggers the bug attached. > > > > > > The patch I posted earlier help with the the reduced testcase, but not > > > with > > > the full shader. Both undef incoming values in phi nodes and undef branch > > > conditions cause problems in different ways. > > > > With the second patch + valley I get - > > > > valley_x64: LiveVariables.cpp:114: void > > llvm::LiveVariables::MarkVirtRegAliveInBlock(llvm::LiveVariables::VarInfo &, > > llvm::MachineBasicBlock *, llvm::MachineBasicBlock *, > > std::vector<MachineBasicBlock *> &): Assertion `MBB != &MF->front() && > > "Can't find reaching def for virtreg"' failed. > > Did test with only the patch from comment #8 or did you test with both > patches? Just #8 but I just tried with both and get the same fail. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150429/3ae07209/attachment.html>
