[LLVMbugs] [Bug 3450] New: codegen assertion on i960 value

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Jan 30 22:43:07 PST 2009


           Summary: codegen assertion on i960 value
           Product: libraries
           Version: 1.0
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: clattner at apple.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=2480)
 --> (http://llvm.org/bugs/attachment.cgi?id=2480)

Benchmarks/McCat/08-main is now failing because SROA makes an i960 and codegen
can't handle it:

SelectionDAG.cpp:863: failed assertion `(EltVT.getSizeInBits() >= 64 ||
(uint64_t)((int64_t)Val >> EltVT.getSizeInBits()) + 1 < 2) && "getConstant with
a uint64_t value that doesn't fit in the type!"'

This is dying in SelectionDAG::getConstant

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