https://llvm.org/bugs/show_bug.cgi?id=27207
Bug ID: 27207
Summary: [Polly] Domains of entering a loop is unequal to
combined domains of loop exiting
Product: Polly
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Optimizer
Assignee: polly-...@googlegroups.com
Reporter: l...@meinersbur.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 16167
--> https://llvm.org/bugs/attachment.cgi?id=16167&action=edit
Test case
Illustrated in the attached unit test.
Current Polly r265286 generates invalid IR (missing PHI) because all exit
predecessors are optimized away even though logically one of them must be
executed. Hence, the exit node PHI has no defined incoming value.
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