[llvm-commits] [llvm] r48476 - in /llvm/trunk: include/llvm/ include/llvm/Analysis/ lib/Analysis/ lib/Analysis/IPA/ lib/VMCore/

[Devang Patel]

On Mar 18, 2008, at 10:42 AM, Dan Gohman wrote:

> We already have passes calling setPreservesAll() in getAnalysisUsage.
> Would that cover it? Everything that now returns true for isAnalysis
> also already calls setPreservesAll().

A transformation pass may also setPreservesAll() but pass manager  
should rerun the pass if explicitly requested.

-
Devang