[LLVMbugs] [Bug 9568] New: Assertion in EarlyCSE / Scalarrepl

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9568

           Summary: Assertion in EarlyCSE / Scalarrepl
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=6365)
 --> (http://llvm.org/bugs/attachment.cgi?id=6365)
Testcase

Consider the attached bytecode (reduced from C++ source compiled by clang).

./opt bugpoint-reduced-simplified.ll -inline -scalarrepl-ssa -early-cse

yields:

Invalid type for a partial vector access of an alloca!
UNREACHABLE executed at
/Users/asl/Projects/llvm/src-sce/lib/Transforms/Scalar/ScalarReplAggregates.cpp:671!

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