https://llvm.org/bugs/show_bug.cgi?id=28664
Bug ID: 28664
Summary: Expression is always true (file LoopInterchange.cpp)
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: appchec...@cnpo.ru
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Hello!
There is expression in function containsNoDependence (file
lib/Transforms/Scalar/LoopInterchange.cpp, line 214):
if (DepMatrix[Row][i] != '=' || DepMatrix[Row][i] != 'S' ||
DepMatrix[Row][i] != 'I')
but it is always true.
See similar sample - https://ideone.com/OX3Oyp
This possible defect found by AppChecker
(https://cnpo.ru/en/solutions/appchecker.php)
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