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> > > That sounds like a bug, probably adjustCopiesBackFrom needs to check > ACopyMI->isFullCopy(). > > Do you have a test case for this? > > Yes and No. Yes because the example is from a unit testcase that I have. No because it manifests itself only with my half baked pass that I was talking about earlier in this thread. Pranav -------------- next part --------------

...because it manifests itself only with my half baked pass that I was talking about earlier in this thread. Alright. Even then, patches welcome! /jakob -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120706/0dea51f1/attachment.html>

On Jul 5, 2012, at 6:01 PM, "Pranav Bhandarkar" <pranavb at codeaurora.org> wrote: > Hi Jakob, > >> New_MI_1:: Vreg1 = 0 ; Vreg1 and Vreg2 >> are 32 bit virt. regs. >> New_MI_2:: Vreg2 = COPY C:lo_sub_reg. >> New_MI_3:: B= REG_SEQUENCE<Vreg1, hi_sub_reg, Vreg2, lo_sub_reg> ; B >> is a >> 64 bit