[LLVMbugs] [Bug 6291] New: renumbered opcode values breaks llvm-c backwards compatibility guarantee

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sat Feb 13 11:01:24 PST 2010


http://llvm.org/bugs/show_bug.cgi?id=6291

           Summary: renumbered opcode values breaks llvm-c backwards
                    compatibility guarantee
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: System Library
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: idadesub at users.sourceforge.net
                CC: llvmbugs at cs.uiuc.edu


Since 2.6, llvm added one new instruction, IndirectBr, and removed the Free and
Malloc instructions. This breaks llvm-c's LLVMOpcode enum by renumbering the
instruction values.

For reference, the Malloc operator was removed in r84299, Free was removed in
r85176, and the IndirectBr operator was added in r85274.


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