[LLVMbugs] [Bug 11397] New: Cannot select: v2i64 = X86ISD::MOVLPD

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Nov 17 19:23:55 PST 2011


             Bug #: 11397
           Summary: Cannot select: v2i64 = X86ISD::MOVLPD
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: hfinkel at anl.gov
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 7623
  --> http://llvm.org/bugs/attachment.cgi?id=7623
Test case

Running llc -O3 (trunk build r144649) for x86_64 on the attached file results
in the error:
LLVM ERROR: Cannot select: 0x36066f0: v2i64 = X86ISD::MOVLPD 0x36061f0,
0x35d54a0 [ID=546]
  0x36061f0: v2i64 = add 0x36051e0, 0x36060f0 [ID=538]
    0x36051e0: v2i64 = add 0x36049e0, 0x36050e0 [ID=536]
      0x36049e0: v2i64 = X86ISD::PUNPCKLQDQ 0x36047d0, 0x3607100 [ID=533]

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