https://bugs.llvm.org/show_bug.cgi?id=51329
Bug ID: 51329
Summary: Assertion `getMinSignedBits() <= 64 && "Too many bits
for int64_t"' failed in Loop Strength Reduction with
new SCEV-based salvaging
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: jctremou...@gmail.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 25103
--> https://bugs.llvm.org/attachment.cgi?id=25103&action=edit
Small function that triggers the assertion failure in LSR
This assertion has been failing in some of our downstream tests each time
D105207 gets checked in. I've verified that it fails at 0ba8595287e but not at
its parent. It also currently repros on godbolt with "assertions trunk":
https://godbolt.org/z/n6T3zrsvY
Reproducer testcase attached.
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