jhuber6 added inline comments.
================
Comment at: clang/tools/amdgpu-arch/AMDGPUArch.cpp:47
- // Attempt to load the HSA runtime.
- if (llvm::Error Err = loadHSA()) {
- logAllUnhandledErrors(std::move(Err), llvm::errs());
- return 1;
- }
-
- hsa_status_t Status = hsa_init();
- if (Status != HSA_STATUS_SUCCESS) {
- return 1;
- }
-
- std::vector<std::string> GPUs;
- Status = hsa_iterate_agents(iterateAgentsCallback, &GPUs);
- if (Status != HSA_STATUS_SUCCESS) {
- return 1;
- }
-
- for (const auto &GPU : GPUs)
- printf("%s\n", GPU.c_str());
-
- if (GPUs.size() < 1)
- return 1;
-
- hsa_shut_down();
- return 0;
+#ifdef _WIN32
+ return printGPUsByHIP();
----------------
yaxunl wrote:
> jhuber6 wrote:
> > Doesn't LLVM know if it's being built for Windows? Maybe we should key off
> > of that instead and then conditionally `add_sources` for a single function
> > that satisfies the same "print all the architectures" thing.
> When this code is compiled on Windows, the compiler predefines `_WIN32`, so
> it should work.
>
> I tried to tweak cmake files of amdgpu-arch to selectively add source files
> for Windows and non-windows but it did not work. If you have a file in that
> directory that is not included in any target, cmake will report an error.
> Seems there is a mechanism in CMake files for clang tools not allowing any
> 'dangling' source files.
The proper way to do that is to add it to a new subdirectory and conditionally
do `add_subdirectory`. Something like
```
HSA/GetAMDGPUArch.cpp
HIP/GetAMDGPUArch.cpp
```
It's not a big deal, but I just feel like including unused symbols in the
binary on Linux isn't ideal. Up to you if you want to put in the effort.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D153725/new/
https://reviews.llvm.org/D153725
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