[llvm-bugs] [Bug 27218] New: Delinearization + casts generate wrong array types

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Apr 5 07:40:18 PDT 2016


            Bug ID: 27218
           Summary: Delinearization + casts generate wrong array types
           Product: Polly
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Other
          Assignee: polly-dev at googlegroups.com
          Reporter: doerfert at cs.uni-saarland.de
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16170
  --> https://llvm.org/bugs/attachment.cgi?id=16170&action=edit
IR testcase

For the attached test case the SCoP show the following unexpected array:
    Arrays {
        i64 MemRef_A[*][2]; // Element size 8
While the code generation does the right thing here I have doubts it always
will if we model an i64 array.

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