[llvm-bugs] [Bug 33038] New: [PBQP] Assertion `!empty() && "empty range"'

via llvm-bugs llvm-bugs at lists.llvm.org
Mon May 15 05:19:54 PDT 2017


            Bug ID: 33038
           Summary: [PBQP]   Assertion `!empty() && "empty range"'
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Register Allocator
          Assignee: unassignedbugs at nondot.org
          Reporter: paulsson at linux.vnet.ibm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 18440
  --> https://bugs.llvm.org/attachment.cgi?id=18440&action=edit
reduced testcase

It seems that there is an empty LiveRange during PBQP register allocation.

lib/CodeGen/LiveInterval.cpp:392: bool llvm::LiveRange::overlapsFrom(const
llvm::LiveRange&, llvm::LiveRange::const_iterator) const: Assertion `!empty()
&& "empty range"' failed.

llc tc_pbqp.ll -mtriple=s390x-linux-gnu -mcpu=z13 -disable-machine-dce

You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20170515/ccba9d6e/attachment.html>

More information about the llvm-bugs mailing list