[LLVMbugs] [Bug 11092] New: error in backend: Cannot select: 0x99e5db0: v8f32 = bit_convert 0x92b0b70

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11092

           Summary: error in backend: Cannot select: 0x99e5db0: v8f32 =
                    bit_convert 0x92b0b70
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: tim at klingt.org
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=7424)
 --> (http://llvm.org/bugs/attachment.cgi?id=7424)
preprocessed source

compiling attached code with -mavx -msse4.2 -O3 -DNDEBUG and clang++ from
svn/trunk, i get the following error:


fatal error: error in backend: Cannot select: 0xcdf71a0: v8f32 = bit_convert
0xc888c10 [ID=98]
  0xc888c10: v4f32 = X86ISD::PSHUFD 0xb132060, 0xcfdc950 [ID=97]
    0xb132060: v4f32,ch = load 0xc4ca880, 0xcfdca50,
0xc4cab80<LD16[FixedStack4](align=32)> [ID=96]
      0xcfdca50: i64 = FrameIndex<4> [ID=27]
      0xc4cab80: i64 = undef [ORD=28462] [ID=6]
    0xcfdc950: i8 = Constant<0> [ID=35]

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