[LLVMbugs] [Bug 9190] New: "Unexpected illegal type!" assertion

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9190

           Summary: "Unexpected illegal type!" assertion
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: marina.yatsina at intel.com
                CC: llvmbugs at cs.uiuc.edu


I get "Unexpected illegal type!" assertion when trying to compile the following
kernel:

target datalayout =
"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i686-pc-win32"

define void @test() nounwind {
  %1 = fdiv <3 x double> zeroinitializer, undef
  %2 = fdiv <2 x double> zeroinitializer, undef
  %3 = shufflevector <2 x double> %2, <2 x double> undef, <3 x i32> <i32 0, i32
1, i32 undef>
  %4 = insertelement <3 x double> %3, double undef, i32 2
  %5 = bitcast <3 x double> %1 to <3 x i64>
  %6 = bitcast <3 x double> %4 to <3 x i64>
  %7 = sub <3 x i64> %5, %6
  %8 = shufflevector <3 x i64> %7, <3 x i64> undef, <2 x i32> <i32 0, i32 1>
  %9 = xor <2 x i64> %8, zeroinitializer
  %10 = add nsw <2 x i64> %9, zeroinitializer
  %11 = shufflevector <2 x i64> %10, <2 x i64> undef, <3 x i32> <i32 0, i32 1,
i32 undef>
  %12 = insertelement <3 x i64> %11, i64 0, i32 2
  %13 = shufflevector <3 x i64> %12, <3 x i64> undef, <4 x i32> <i32 0, i32 1,
i32 2, i32 3>
  %14 = shufflevector <4 x i64> %13, <4 x i64> undef, <2 x i32> <i32 0, i32 1>
  %15 = bitcast <2 x i64> %14 to <4 x i32>
  %16 = shufflevector <4 x i32> %15, <4 x i32> undef, <4 x i32> <i32 0, i32 2,
i32 0, i32 2>
  %17 = bitcast <4 x i32> %16 to <2 x i64>
  %18 = shufflevector <2 x i64> %17, <2 x i64> undef, <2 x i32> <i32 0, i32 2>
  %19 = bitcast <2 x i64> %18 to <4 x i32>
  %20 = shufflevector <4 x i32> %19, <4 x i32> undef, <3 x i32> <i32 0, i32 1,
i32 2>
  %21 = or <3 x i32> %20, zeroinitializer
  store <3 x i32> %21, <3 x i32> addrspace(1)* undef, align 16
  ret void
}


running "llc  test.ll" produces:

llc: /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:800:
llvm::SDValue<unnamed>::SelectionDAGLegalize::LegalizeOp(llvm::SDValue):
Assertion `getTypeAction(Node->getValueType(i)) == Legal && "Unexpected illegal
type!"' failed.
Stack dump:
0.      Program arguments: llc test.ll
1.      Running pass 'Function Pass Manager' on module 'test.ll'.
2.      Running pass 'X86 DAG->DAG Instruction Selection' on function '@test'
Abort

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