https://bugs.llvm.org/show_bug.cgi?id=33051
Bug ID: 33051
Summary: NewGVN exhibits non-deterministic behaviour
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
This seems to be a tricky one.
The way to reproduce (thanks Takumi) is that of re-enabling pr32934.ll (in
test/Transform/NewGVN), copying it 1000 times
for x in `seq 1000 1999`;do ln -sv pr32934.ll pr32934_$x.ll;done
and running `ninja check-llvm`.
A bunch of the copies will fail.
I think I narrowed down the problem a bit.
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