[LLVMbugs] [Bug 4705] llc : Assertion failed: (Reg && "this is not a register!")

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4705


Anton Korobeynikov <asl at math.spbu.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED




--- Comment #12 from Anton Korobeynikov <asl at math.spbu.ru>  2009-12-12 19:03:37 ---
Fixed in
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20091207/092504.html

This turned out to be weird typo during EVT-ization: only 3 entries were
requested for the VT list having 4 elements. Thus, the last element occupis
unallocated area and would happily be overwritten in next VT list construction.

I believe nobody saw such weird behaviour since very few targets (do we have
any except msp430?) has nodes with exactly 4 results...


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