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...to here. I am assuming that it is for him to answer. The below details would cover some of your questions as well. About Clang / MLIR / LLVM being loosely related and not being relevant in llvm-dev: With the introduction of the OpenMPIRBuilder in MLIR (from this review : https://reviews.llvm.org/D72962), Clang and MLIR would now have the common code for building OpenMP constructs. I do not think it is so loosely related anymore. Note that MLIR and Clang frontends for LLVM are very different. Clang emits LLVM IR with almost no optimizations and MLIR already supports considerable amount of optimiza...

...lects which get directly lowered to LLVM Dialect. I think lowering to LLVM Dialect would be a cleaner way if OpenMPIRBuilder is not being considered for all constructs. Mehdi also seems to have the same suggestion: “I agree that having dialect lowering would be cleaner” in https://reviews.llvm.org/D72962 > Yes, the design has mildly changed over time to incorporate feedback. But the latest is what is there in the RFC in discourse. RFC fails to discuss the following (I have also mentioned some of them in my reply to Johannes): > The proposed plan involves a) lowering F18 AST with OpenMP dir...

...; The below details would cover some of your questions as well. >> >> About Clang / MLIR / LLVM being loosely related and not being relevant in >> llvm-dev: >> >> With the introduction of the OpenMPIRBuilder in MLIR (from this review : >> https://reviews.llvm.org/D72962), Clang and MLIR would now have the >> common code for building OpenMP constructs. I do not think it is so loosely >> related anymore. Note that MLIR and Clang frontends for LLVM are very >> different. Clang emits LLVM IR with almost no optimizations and MLIR >> already supp...

...P dialect RFC in llvm discourse : https://llvm.discourse.group/t/rfc-openmp-dialect-in-mlir/397 4. [Jan- Feb 2020] Implementation of OpenMP dialect in MLIR: a. The first patch which introduces the OpenMP dialect was pushed. b. Review of barrier construct is in progress: https://reviews.llvm.org/D72962 I have tried to list below different topics of interest (to different people) around this work. Most of these are in the design phase (or very new) and multiple parties are interested with different sets of goals in mind. I. Flang frontend and its integration II. Fortran representation in MLIR...

...c-openmp-dialect-in-mlir/397 > > > > 4. [Jan- Feb 2020] Implementation of OpenMP dialect in MLIR: > > > > a. The first patch which introduces the OpenMP dialect was pushed. > > > > b. Review of barrier construct is in progress: > > https://reviews.llvm.org/D72962 > > > > I have tried to list below different topics of interest (to different > > people) around this work. Most of these are in the design phase (or very > > new) and multiple parties are interested with different sets of goals in > > mind. > > > > I. Fla...