[LLVMbugs] [Bug 16748] New: [backend] Do not know how to split the result of this operator

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Jul 30 08:19:34 PDT 2013


            Bug ID: 16748
           Summary: [backend] Do not know how to split the result of this
           Product: new-bugs
           Version: unspecified
          Hardware: Other
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: rene at freebsd.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10956
  --> http://llvm.org/bugs/attachment.cgi?id=10956&action=edit
generated shell script with compiler command

Compiling the file client/vector/analyzeFuncs_sse.cpp from setiathome SVN
revision 1924 fails with this error message:

SplitVectorResult #0: 0x2b080888: v16i8 = Register %vreg122 [ORD=1231] [ID=0]

fatal error: error in backend: Do not know how to split the result of this

cc -v :
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
Target: i386-unknown-freebsd10.0
Thread model: posix

I tried to reduce the preprocessed file (2.4 MB) with multidelta -level=0 but
it either fails immediately when grepping for the above message leaving a 0
byte output or runs for over 8 hours (I aborted that run).

The preprocessed source is available at 

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