[GitHub] [tvm] u99127 edited a comment on pull request #7060: [WIP] Add MLIR Relay Dialect, Translate MLIR HLO to MLIR Relay to Relay

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u99127 edited a comment on pull request #7060:
URL: https://github.com/apache/tvm/pull/7060#issuecomment-892130966


   are there any instructions on how to build mlir-hlo and llvm to experiment with this PR ? I'm personally curious to see how this works but I'm not observing any instructions as to how to configure mlir-hlo project alongside this work. 
   
   I've tried the build instructions from here https://github.com/tensorflow/mlir-hlo 
   
   > build_tools/build_mlir.sh ${PWD}/llvm-project/ ${PWD}/llvm-build
   
   Then to build this PR, I rebased the config.cmake with trivial rebasing issues and then set
   
   set(USE_MLIR /home/ramana/work/tvm/tvm-mlir-trial-with-hlo/mlir-hlo/mlir-hlo/llvm-build)
   # Whether to use MLIR HLO
   set(USE_MHLO ON)
   
   My config.cmake has : 
   
   set(USE_MLIR /home/ramana/work/tvm/tvm-mlir-trial-with-hlo/mlir-hlo/mlir-hlo/llvm-build)
   
   # Whether to use MLIR HLO
   set(USE_MHLO ON)
   
   I realised I also needed to set LLVM_PROJ_SRC and LLVM_PROJ_BUILD in my environment to try and build this which I've set to 
   
   LLVM_PROJ_SRC=/home/ramana/work/tvm/tvm-mlir-trial-with-hlo/mlir-hlo/mlir-hlo/
   LLVM_PROJ_BUILD=/home/ramana/work/tvm/tvm-mlir-trial-with-hlo/mlir-hlo/mlir-hlo/llvm-build/
   
   
   And then doing a cmake .. gives me the following error.
   
   
   CMake Error at cmake/modules/contrib/MLIR.cmake:73 (message):
     MLIREDSC not found, did you forget to build llvm-project?
   Call Stack (most recent call first):
     cmake/modules/contrib/MLIR.cmake:87 (find_mlir_lib)
     CMakeLists.txt:413 (include)
   
   
   regards
   Ramana
   
   
   


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