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...niques for Embedded Processors Institut für Computersprachen E185/1 Technische Universität Wien Argentinierstraße 8 / 185 A-1040 Wien, Austria Tel.: (+431) 58801-58521 E-Mail: brandner at complang.tuwien.ac.at -------------- next part -------------- A non-text attachment was scrubbed... Name: tailup-loop.c Type: text/x-csrc Size: 149 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20080611/43841b2a/attachment.c> -------------- next part -------------- A non-text attachment was scrubbed... Name: taildup-loopheader.patch Type: text/x-diff Size: 2139 byt...

Hello everybody, we noticed that llvmgcc4.2-2.2 sometimes generates non-natural loops when compiling to bytecode without any optimizations. Apparently what happens is that the loop header is duplicated, which results in two entry points for the loop. Since this could obstruct subsequent loop optimizations, it might be interesting to further investigate this behavior. To show the problem, I have

...Laboratory - Compilation Techniques for Embedded Processors > Institut für Computersprachen E185/1 > Technische Universität Wien > > Argentinierstraße 8 / 185 > A-1040 Wien, Austria > > Tel.: (+431) 58801-58521 > > E-Mail: brandner at complang.tuwien.ac.at > > <tailup-loop.c><taildup- > loopheader.patch>_______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev

...essors > > Institut für Computersprachen E185/1 > > Technische Universität Wien > > > > Argentinierstraße 8 / 185 > > A-1040 Wien, Austria > > > > Tel.: (+431) 58801-58521 > > > > E-Mail: brandner at complang.tuwien.ac.at > > > > <tailup-loop.c><taildup- > > loopheader.patch>_______________________________________________ > > LLVM Developers mailing list > > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev > > > ___________________...