[llvm-bugs] [Bug 33323] New: [Polly] Simplify: Assertion `Started' failed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33323

            Bug ID: 33323
           Summary: [Polly] Simplify: Assertion `Started' failed.
           Product: Polly
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Optimizer
          Assignee: polly-dev at googlegroups.com
          Reporter: tobias at grosser.es
                CC: llvm-bugs at lists.llvm.org

Created attachment 18577
  --> https://bugs.llvm.org/attachment.cgi?id=18577&action=edit
Test case

When running r304672 with delicm and simplify on correlation I get the
following assert:

clang-5.0:
/home/grosser/Projects/polly/git/tools/polly/lib/Transform/Simplify.cpp:147:
polly::MemoryAccess *(anonymous
namespace)::Simplify::hasWriteBetween(polly::ScopStmt *, polly::MemoryAccess *,
polly::MemoryAccess *, isl::map): Assertion `Started' failed.

This bug disappears if I try to run the test case in 'opt.

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