[LLVMbugs] [Bug 6115] New: What does 'Cannot yet select: intrinsic %llvm.x86.sse41. dpps' mean?

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Jan 22 09:46:00 PST 2010


           Summary: What does 'Cannot yet select: intrinsic
                    %llvm.x86.sse41.dpps' mean?
           Product: Documentation
           Version: 2.6
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: General docs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: llvm at henning-thielemann.de
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=4093)
 --> (http://llvm.org/bugs/attachment.cgi?id=4093)
LLVM assembly program that causes llvmc to abort with the strange message

In the attached LLVM assembly program I have manually replaced some vector
manipulations by the dot product instruction of ix86's SSE4 extension.
When I compile the file I get
$  llvmc -S dpps-test.ll
Cannot yet select: LLVM ERROR: Cannot yet select: intrinsic

What does it mean? Have I used the intrinsic in a wrong way, or is it just not
implemented? Or is the compiler uncertain about the CodeGen target?

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