[LLVMbugs] [Bug 10948] New: [AVX] Cannot select: f32 = X86ISD::FSETCCss

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10948

           Summary: [AVX] Cannot select: f32 = X86ISD::FSETCCss
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: matt at pharr.org
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=7285)
 --> (http://llvm.org/bugs/attachment.cgi?id=7285)
test case

With the attached and top of tree, I'm getting the following crash:

% llc -mattr=+avx bugpoint-reduced-simplified.ll 
LLVM ERROR: Cannot select: 0x7f9cac033510: f32 = X86ISD::FSETCCss
0x7f9cac033310, 0x7f9cac034010, 0x7f9cac033410 [ID=15]
  0x7f9cac033310: f32,ch = CopyFromReg 0x110f0c188, 0x7f9cac033210 [ORD=1]
[ID=12]
    0x7f9cac033210: f32 = Register %vreg1 [ORD=1] [ID=1]
  0x7f9cac034010: f32,ch = load 0x110f0c188, 0x7f9cac033b10,
0x7f9cac033a10<LD4[ConstantPool]> [ID=14]
    0x7f9cac033b10: i64 = X86ISD::WrapperRIP 0x7f9cac033710 [ID=13]
      0x7f9cac033710: i64 = TargetConstantPool<float 5.000000e+00> 0 [ID=4]
    0x7f9cac033a10: i64 = undef [ID=3]
  0x7f9cac033410: i8 = Constant<4> [ID=10]

(This seems to be a regression from the past few days, but I haven't yet tried
to isolate the change.)

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