[LLVMbugs] [Bug 20383] New: aarch64 hit "Cannot BITCAST between types of different sizes!" assert in r213341

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20383

            Bug ID: 20383
           Summary: aarch64 hit "Cannot BITCAST between types of different
                    sizes!" assert in r213341
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: janne-llvm at jannau.net
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12800
  --> http://llvm.org/bugs/attachment.cgi?id=12800&action=edit
reduced test case

Attached reduced test case hits following assert in r213341:

llc: /home/janne/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:2926:
llvm::SDValue llvm::SelectionDAG::getNode(unsigned int, llvm::SDLoc, llvm::EVT,
llvm::SDValue): Assertion `VT.getSizeInBits() ==
Operand.getValueType().getSizeInBits() && "Cannot BITCAST between types of
different sizes!"' failed.

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