[LLVMbugs] [Bug 15929] New: Do not know how to split the result of this operator (llvm.x86.avx.round.ps.256)

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15929

            Bug ID: 15929
           Summary: Do not know how to split the result of this operator
                    (llvm.x86.avx.round.ps.256)
           Product: new-bugs
           Version: 3.2
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: schnetter at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I am building OpenCL code with the release branch of llvm-3.3. One of pocl's
test cases does not build.

I am using OSX x86-64, and am building with the flags "-O3 -march=corei7-avx".

The failing command is
{{{
/Users/eschnett/llvm-3.3/bin/llc -relocation-model=pic -o
/tmp/poclGKRvUX/pthread/test_convert_type/1-1-1.0-0-0/parallel.s
/tmp/poclGKRvUX/pthread/test_convert_type/1-1-1.0-0-0/parallel.bc
}}}

with the error message
{{{
SplitVectorResult #0: 0x7f92a2907810: v8f32 = llvm.x86.avx.round.ps.256
0x7f92a2b5a810, 0x7f92a2b79910, 0x7f92a501d310 [ORD=30065] [ID=0]

LLVM ERROR: Do not know how to split the result of this operator!

}}}

I attach the file "parallel.bc" to this report. Please let me know if you need
more information, such as e.g. the source code that was used to create
parallel.bc.

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