[LLVMbugs] [Bug 13719] New: MachineScheduler asserts during HMEditor::moveAllRangesFrom

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Aug 28 13:39:11 PDT 2012


             Bug #: 13719
           Summary: MachineScheduler asserts during
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: atrick at apple.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 9125
  --> http://llvm.org/bugs/attachment.cgi?id=9125

llc flops.ll -enable-misched -mcpu=cortex-a9

Assertion failed: (validator.rangesOk() && "moveAllOperandsFrom broke
liveness."), function moveAllRangesFrom, file
/s/mirror/lib/CodeGen/LiveIntervalAnalysis.cpp, line 954.
5  llc               0x0000000104842795 __assert_rtn + 53
6  llc               0x00000001044f7248
llvm::SlotIndex) + 3672
7  llc               0x00000001044f60c2
llvm::LiveIntervals::handleMove(llvm::MachineInstr*) + 258
8  llc               0x0000000104558bd6 (anonymous
llvm::ilist_iterator<llvm::MachineInstr> >) + 118

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