[LLVMbugs] [Bug 1544] NEW: Bugpoint failed to reduce the bitcode

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Jul 9 00:06:46 PDT 2007


           Summary: Bugpoint failed to reduce the bitcode
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: bugpoint
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru

Consider the attached bitcode.

./bugpoint -run-llc nsPrintEngine.bc -tool-args -mcpu=athlon -relocation-model=pic

Read input file      : 'nsPrintEngine.bc'
*** All input ok
Found gcc: /usr/bin/gcc
Initializing execution environment: Running the code generator to test for a
crash: <llc>
Error running tool:
  ./llc -mcpu=athlon -relocation-model=pic -o
bugpoint-test-program.bc-H78I0s.llc.s -f bugpoint-test-program.bc-H78I0s
llc: /home/asl/proj/llvm/src/lib/Target/X86/X86FloatingPoint.cpp:768: void
Assertion `UpdatedSlot < StackTop && Dest < 7' failed.
./llc((anonymous namespace)::PrintStackTrace()+0x1f)[0x86ca4bf]
*** Debugging code generator crash!

bugpoint: /home/asl/proj/llvm/src/lib/Bitcode/Writer/ValueEnumerator.h:68:
unsigned int llvm::ValueEnumerator::getValueID(const llvm::Value*) const:
Assertion `I != ValueMap.end() && "Value not in slotcalculator!"' failed.
Checking to see if we can delete global inits: ./bugpoint((anonymous

Is bugpoint broken? Or, maybe some bitcode writing machinery?

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