search for: legalizevectorsops

Displaying 1 result from an estimated 1 matches for "legalizevectorsops".

Did you mean: legalizevectorops
2010 May 14
3
[LLVMdev] selection dag speedups / llc speedups
Hello folks, I'm sure this has been asked many times, but is there current work on decreasing the time taken by the DAG-based instruction selector, or the other phases of llc? I am just beginning to dive into LLVM, and I am interested in compile-time reductions that do not reduce code quality dramatically. For example, simply switching on "-fast-isel" (roughly 17% drop in code