http://llvm.org/bugs/show_bug.cgi?id=20642
Bug ID: 20642
Summary: [SLP] Assertion `(ScalarToTreeEntry.count(U) ||
(std::find(UserIgnoreList.begin(),
UserIgnoreList.end(), U) != UserIgnoreList.end())) &&
"Replacing out-of-tree value with undef"' failed
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
Created attachment 12889
--> http://llvm.org/bugs/attachment.cgi?id=12889&action=edit
Test case
Build the attached test case with -O2 for amd64.
This is a regression compared to clang 3.4 and the code is simple enough that
it is likely to hit in the wild.
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