[LLVMbugs] [Bug 14078] New: Assertion in LiveInterval.cpp

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=14078

             Bug #: 14078
           Summary: Assertion in LiveInterval.cpp
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Register Allocator
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 9343
  --> http://llvm.org/bugs/attachment.cgi?id=9343
Testcase

Consider the attached testcase. Running llc yields:

Assertion failed: (R.start >= LastR.end && "Cannot overlap two LiveRanges with
differing ValID's"), function mergeIntervalRanges, file
/Users/asl/Projects/llvm/src/lib/CodeGen/LiveInterval.cpp, line 581.

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