[LLVMbugs] [Bug 2023] New: Crash in llc with unusual initializer

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2023

           Summary: Crash in llc with unusual initializer
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu


Testcase:

@b =  global i16 ptrtoint (i16* @b to i16)

run through llvm-as | llc, should generate code that initializes the global
appropriately.

Current output:
llc: /home/eli/llvm/lib/CodeGen/AsmPrinter.cpp:789: void
llvm::AsmPrinter::EmitConstantValueOnly(const llvm::Constant*): Assertion `0 &&
"FIXME: Don't yet support this kind of constant cast expr"' failed.

Fixing this isn't really a high priority for me, but I would like to know
whether the fact that this doesn't work is considered a bug; see
http://lists.cs.uiuc.edu/pipermail/cfe-dev/2008-February/001054.html.  I'm in
the process of considering how to handle constant expressions in clang, and
this affects what clang should accept as a constant expression.


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