[LLVMbugs] [Bug 10687] New: IPSCCP crashes on extractvalue

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10687

           Summary: IPSCCP crashes on extractvalue
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu


This is a recent regression; it is the cause of the dragonegg 64 bit buildbot
failure.

Testcase:

define void @foo() { 
entry:
  %e = extractvalue { i64, i64 } undef, 1
  ret void
}


To reproduce:

$ opt -ipsccp -disable-output XCoreISelLowering.ll 
opt: llvm/lib/Transforms/Scalar/SCCP.cpp:379: {anonymous}::LatticeVal&
{anonymous}::SCCPSolver::getValueState(llvm::Value*): Assertion
`!V->getType()->isStructTy() && "Should use getStructValueState"' failed.

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