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2013 Jul 22
0
[LLVMdev] Predication bug in AggressiveAntiDepBreaker?
...============================= --- AggressiveAntiDepBreaker.cpp (revision 186828) +++ AggressiveAntiDepBreaker.cpp (working copy) @@ -399,7 +399,7 @@ unsigned Reg = MO.getReg(); if (Reg == 0) continue; // Ignore KILLs and passthru registers for liveness... - if (MI->isKill() || (PassthruRegs.count(Reg) != 0)) + if (MI->isKill() || (PassthruRegs.count(Reg) != 0) || TII->isPredicated(MI)) continue; // Update def for Reg and aliases.
2015 Jan 01
2
[LLVMdev] What is dead def?
I saw there is reference to dead def on registers in LLVM source code. I am not aware of this concept from the traditional course material. What are the properties of dead def? Cheers Thomson -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150101/ea39d1e4/attachment.html>