add relu lowering

add relu validation
add spatial compute helper
minor refactors

src/PIM/Pass/PIMPasses.h

@@ -13,13 +13,13 @@ std::unique_ptr<mlir::Pass> createSpatialToGraphvizPass();
 
 std::unique_ptr<mlir::Pass> createSpatialToPimPass();
 
-std::unique_ptr<mlir::Pass> createBufferizePimPass();
+std::unique_ptr<mlir::Pass> createPimBufferizationPass();
 
-std::unique_ptr<mlir::Pass> createConstantFoldingPass();
+std::unique_ptr<mlir::Pass> createPimConstantFoldingPass();
 
-std::unique_ptr<mlir::Pass> createMaterializeConstantsPass();
+std::unique_ptr<mlir::Pass> createPimMaterializeConstantsPass();
 
-std::unique_ptr<mlir::Pass> createVerificationPass();
+std::unique_ptr<mlir::Pass> createPimVerificationPass();
 
 std::unique_ptr<mlir::Pass> createEmitPimJsonPass();
 

src/PIM/Pass/Pim/ConstantFolding/ConstantFoldingPass.cpp

@@ -47,6 +47,6 @@ struct ConstantFoldingPass : PassWrapper<ConstantFoldingPass, OperationPass<Modu
 
 } // namespace
 
-std::unique_ptr<Pass> createConstantFoldingPass() { return std::make_unique<ConstantFoldingPass>(); }
+std::unique_ptr<Pass> createPimConstantFoldingPass() { return std::make_unique<ConstantFoldingPass>(); }
 
 } // namespace onnx_mlir

src/PIM/Pass/Pim/MaterializeConstantsPass.cpp

@@ -126,6 +126,6 @@ struct MaterializeConstantsPass : PassWrapper<MaterializeConstantsPass, Operatio
 
 } // namespace
 
-std::unique_ptr<Pass> createMaterializeConstantsPass() { return std::make_unique<MaterializeConstantsPass>(); }
+std::unique_ptr<Pass> createPimMaterializeConstantsPass() { return std::make_unique<MaterializeConstantsPass>(); }
 
 } // namespace onnx_mlir

src/PIM/Pass/Pim/VerificationPass.cpp

@@ -189,6 +189,6 @@ private:
 
 } // namespace
 
-std::unique_ptr<Pass> createVerificationPass() { return std::make_unique<VerificationPass>(); }
+std::unique_ptr<Pass> createPimVerificationPass() { return std::make_unique<VerificationPass>(); }
 
 } // namespace onnx_mlir