[LLVMbugs] [Bug 14346] New: BBVectorize can enter infinite loop in x86

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Nov 14 16:38:38 PST 2012


             Bug #: 14346
           Summary: BBVectorize can enter infinite loop in x86
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: hfinkel at anl.gov
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

When using the x86 code model, BBVectorize can enter an infinite loop
vectorizing its own shuffle chains (the ones it had created as part of previous
vectorization steps).

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