[llvm-bugs] [Bug 29101] New: LLC: Assertion failed after rev.274013 on AVX2.

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=29101

            Bug ID: 29101
           Summary: LLC: Assertion failed after rev.274013 on AVX2.
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: llc
          Assignee: unassignedbugs at nondot.org
          Reporter: shishpanov2010 at yandex.ru
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17032
  --> https://llvm.org/bugs/attachment.cgi?id=17032&action=edit
reproducer

With attached reproducer LLC from rev.274013 fails with:

llc: lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:942: void
{anonymous}::SelectionDAGLegalize::LegalizeOp(llvm::SDNode*): Assertion
`(TLI.getTypeAction(*DAG.getContext(), Op.getValueType()) ==
TargetLowering::TypeLegal || TLI.isTypeLegal(Op.getValueType()) ||
Op.getOpcode() == ISD::TargetConstant) && "Unexpected illegal type!"' failed.

Key to launch: -mcpu=core-avx2

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