[llvm-bugs] [Bug 25241] New: [Polly] "Load/Store scalar accesses before/after" yields incorrect code on non-affine region

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25241

            Bug ID: 25241
           Summary: [Polly]  "Load/Store scalar accesses before/after"
                    yields incorrect code on non-affine region
           Product: Projects
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Polly
          Assignee: polly-dev at googlegroups.com
          Reporter: tobias at grosser.es
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15101
  --> https://llvm.org/bugs/attachment.cgi?id=15101&action=edit
Test case to reproduce the bug

Commit 250625 introduced the following error on the attached test case when
running 'opt -polly-codegen':

opt:
/home/grosser/Projects/polly/git/tools/polly/lib/CodeGen/CodeGeneration.cpp:164:
virtual bool (anonymous namespace)::CodeGeneration::runOnScop(polly::Scop &):
Assertion `!verifyGeneratedFunction(S, *EnteringBB->getParent()) &&
"Verification of generated function failed"' failed.

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