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..., 2011, at 5:37 AM, Jeff Kunkel wrote: > I have a live interval, and I would like to find out what SlotIndex the next use the register will occur? Is there any way to map a live interval back into instructions or SlotIndexes or blocks used by? Not really, you have to use the use-def chain. See SplitAnalysis::analyzeUses(). /jakob -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 1929 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110120/c34b5fca/attachment.bin>

I have a live interval, and I would like to find out what SlotIndex the next use the register will occur? Is there any way to map a live interval back into instructions or SlotIndexes or blocks used by? - Thanks Jeff Kunkel -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110120/fd429dbd/attachment.html>

...is fired when I run llc with -march=mipsel -mcpu=4ke. It seems to me that the root cause of this assertion is the piece of code shown above that is called during PHI nodes elimination (llc exits normally if I add -disable-phi-elim-edge-splitting). llc: llvm/lib/CodeGen/SplitKit.cpp:170: bool llvm::SplitAnalysis::calcLiveBlockInfo(): Assertion `BI.FirstUse >= Start' failed. The following is the Machine IR and LiveVariables::ValInfo dump before and after PHI nodes elimination. 1. Before PHI nodes elimination. -Machine IR: BB#14: derived from LLVM BB %for.cond151.preheader Predecessors accordin...