Alex Zinenko d9cc3c31cc ExecutionEngine OptUtils: support -On flags in string-based initialization ... Original implementation of OutUtils provided two different LLVM IR module transformers to be used with the MLIR ExecutionEngine: OptimizingTransformer parameterized by the optimization levels (similar to -O3 flags) and LLVMPassesTransformer parameterized by the string formatted similarly to command line options of LLVM's "opt" tool without support for -O* flags. Introduce such support by declaring the flags inside the parser and by populating the pass managers similarly to what "opt" does. Remove the additional flags from mlir-cpu-runner as they can now be wrapped into `-llvm-opts` together with other LLVM-related flags. PiperOrigin-RevId: 236107292		2019-03-29 16:49:44 -07:00
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simple.mlir	ExecutionEngine OptUtils: support -On flags in string-based initialization	2019-03-29 16:49:44 -07:00