fix output paths

add gemm test

src/PIM/Compiler/PimCompilerOptions.cpp

@@ -17,11 +17,6 @@
 
 namespace onnx_mlir {
 
-llvm::cl::opt<std::string> pimOutputDir("pim-output-dir",
-                                        llvm::cl::desc("Directory where pim json code will be emitted"),
-                                        llvm::cl::init("pim"),
-                                        llvm::cl::cat(OnnxMlirOptions));
-
 llvm::cl::opt<PimEmissionTargetType> pimEmissionTarget(
   llvm::cl::desc("[Optional] Choose PIM-related target to emit (once selected it will cancel the other targets):"),
   llvm::cl::values(clEnumVal(EmitSpatial, "Lower model to spatial IR")),