[LLVMbugs] [Bug 7781] New: PPCISelLowering.cpp, (3945:35)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Aug 1 13:39:39 PDT 2010


           Summary: PPCISelLowering.cpp, (3945:35)
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: regehr at cs.utah.edu
                CC: llvmbugs at cs.uiuc.edu

This is from clang 109870 on x86.

It happens when running "make check".

This right-shift operator sometimes gets a negative argument for number of bit
positions to shift.

Same problem occurs at lines 3950 and 3955.

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