[LLVMbugs] [Bug 534] NEW: SelectionDAG extends constants

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=534

           Summary: SelectionDAG extends constants
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: alenhar2 at uiuc.edu


The selectionDAG will generate things like constant 0 -> zero_extend_inreg ->
users.  It probably should generate constant 0 -> users as most ways of loading
0 to larger registers will zero the register.



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