[LLVMbugs] [Bug 7312] New: Fast regalloc crash: Instruction uses an alias of an allocated register

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=7312

           Summary: Fast regalloc crash: Instruction uses an alias of an
                    allocated register
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=4983)
 --> (http://llvm.org/bugs/attachment.cgi?id=4983)
testcase .ll

$ llc -O0 alias.ll 
Instruction uses an alias of an allocated register
UNREACHABLE executed at
/home/duncan/LLVM/llvm.top/llvm/lib/CodeGen/RegAllocFast.cpp:335!

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