[LLVMbugs] [Bug 6866] New: MSVC9 hangs on compilation of X86Disassembler.cpp

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Apr 18 04:16:42 PDT 2010


           Summary: MSVC9 hangs on compilation of X86Disassembler.cpp
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sothman at web.de
                CC: llvmbugs at cs.uiuc.edu

When building in release mode with MSVC9, compilation hangs on

The issue doesn't occur on a debug build, and can in fact be circumvented by
compiling without optimizations, so this appears actually to be a problem with
the MSVC9 optimizer rather than a bug in the LLVM, but it's probably more
practical and timely possible to work around than wait for a MSVC bugfix.

It looks like the problem is related to r101179, more specifically to
lib\Target\X86\X86GenEDInfo.inc and its instInfoX86 array, which MSVC's
optimizer seems to have trouble with.

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