[LLVMbugs] [Bug 12782] New: AVX2: vbroadcastss is not folded past register-allocator to the memory variant

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12782

             Bug #: 12782
           Summary: AVX2: vbroadcastss is not folded past
                    register-allocator to the memory variant
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nadav.rotem at intel.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Example code:
    vmovaps    80(%rsp), %xmm2         # 16-byte Reload
    vbroadcastss    %xmm2, %ymm2


Need to add vbroadcast to X86InstrInfo.cpp

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