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...work well: http://llvm.cs.uiuc.edu/docs/ReleaseNotes.html#experimental LLVM really needs an optimizer guide that lists the various optimizations, the high-level overview of what they do, the algorithms used, useful-to-know-about interactions between passes (e.g. a pass that leaves around a lot of unpropagates constants), and when they are likely to be useful (most of this information is available in the comments at the top of the file for the optimization). This has been on my TODO list for about 2.5 years now, but I have a *very* long TODO list. :) Here are some examples of the header comments:...

Hi devels, there are two issues concerning invoking optimizations: 1. this document: http://llvm.cs.uiuc.edu/docs/GettingStarted.html is very nice, it would be good though to add in a section An Example Using the LLVM Tool Chain examples on optimization step. 2. If i am not wrong there is no tool, which integrates all steps: llvmgcc->opt->llc into something like llcc (and