MNGanesan commented on PR #13798:
URL: https://github.com/apache/tvm/pull/13798#issuecomment-1385425749
Present --help string has no meaningful description, it simply prints the
target, option name and python type
```
target vitis-ai:
--target-vitis-ai-dpu TARGET_VITIS_AI_DPU
**target vitis-ai dpu<class 'str'>**
--target-vitis-ai-build_dir TARGET_VITIS_AI_BUILD_DIR
**target vitis-ai build_dir<class 'str'>**
--target-vitis-ai-work_dir TARGET_VITIS_AI_WORK_DIR
**target vitis-ai work_dir<class 'str'>**
--target-vitis-ai-export_runtime_module
TARGET_VITIS_AI_EXPORT_RUNTIME_MODULE
**target vitis-ai export_runtime_module<class
'str'>**
--target-vitis-ai-load_runtime_module TARGET_VITIS_AI_LOAD_RUNTIME_MODULE
**target vitis-ai load_runtime_module<class 'str'>**
```
This can be enhanced by accessing the config node of codegen target, which
is retrieved in the front end
```
struct VitisAICompilerConfigNode : public
tvm::AttrsNode<VitisAICompilerConfigNode> {
String dpu;
String build_dir;
String work_dir;
String export_runtime_module;
String load_runtime_module;
TVM_DECLARE_ATTRS(VitisAICompilerConfigNode,
"ext.attrs.VitisAICompilerConfigNode") {
TVM_ATTR_FIELD(dpu).describe("Vitis AI DPU identifier").set_default("");
TVM_ATTR_FIELD(build_dir)
.describe("Build directory to be used (optional, debug)")
.set_default("");
TVM_ATTR_FIELD(work_dir)
.describe("Work directory to be used (optional, debug)")
.set_default("");
TVM_ATTR_FIELD(export_runtime_module)
.describe("Export the Vitis AI runtime module to this file")
.set_default("");
TVM_ATTR_FIELD(load_runtime_module)
```
Enhanced --help string after the fix
target vitis-ai:
```
--target-vitis-ai-dpu TARGET_VITIS_AI_DPU
**Vitis AI DPU identifier**
--target-vitis-ai-build_dir TARGET_VITIS_AI_BUILD_DIR
**Build directory to be used (optional, debug)**
--target-vitis-ai-work_dir TARGET_VITIS_AI_WORK_DIR
**Work directory to be used (optional, debug)**
--target-vitis-ai-export_runtime_module
TARGET_VITIS_AI_EXPORT_RUNTIME_MODULE
**Export the Vitis AI runtime module to this file**
--target-vitis-ai-load_runtime_module TARGET_VITIS_AI_LOAD_RUNTIME_MODULE
**Load the Vitis AI runtime module to this file**
```
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