[llvm-bugs] [Bug 45965] New: SLPVectorizer calls verifyFunction without checking the return value.
via llvm-bugs
llvm-bugs at lists.llvm.org
Sun May 17 23:54:00 PDT 2020
https://bugs.llvm.org/show_bug.cgi?id=45965
Bug ID: 45965
Summary: SLPVectorizer calls verifyFunction without checking
the return value.
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Loop Optimizer
Assignee: unassignedbugs at nondot.org
Reporter: craig.topper at gmail.com
CC: llvm-bugs at lists.llvm.org
The SLP vectorizer calls verifyFunction, but doesn't check the result.
verifyFunction doesn't assert or error internally so the only way to catch the
error is for the caller to act on the return value.
I tried to wrap it in an assert along with other similar issues in D80106, but
test/Transforms/SLPVectorizer/X86/crash_vectorizeTree.ll doesn't pass
verification. Hoping someone with SLP vectorizer experience can pick this up.
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