Hi
The LLVM online document says that "There must be exactly one default
implementation available at all times for an Analysis Group to be used.
Only default implementation can derive from ImmutablePass. "
http://llvm.org/docs/WritingAnLLVMPass.html#implementing-analysis-groups
Is it still true that only the default implementation can derive from
ImmutablePass, it does not seem to be the case for TypeBasedAliasAnalysis,
which derives from ImmutablePass and is not the default for the
AliasAnalysis analysis group in LLVM ?
Thank you,
Trent
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