[PATCH] D82930: [HIP] Fix rocm detection

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added inline comments.


================
Comment at: clang/lib/Driver/ToolChains/AMDGPU.cpp:167
+    llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> VersionFile =
+        FS.getBufferForFile(BinPath + "/.hipVersion");
+    if (!VersionFile)
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arsenm wrote:
> yaxunl wrote:
> > arsenm wrote:
> > > I don't think the detection should fail if this is missing
> > why? this file is unique to HIP installation. If it is missing, the installation is broken.
> Because I should be able to use this without a complete hip installation. Without a specified version, it should assume the most modern layout. This will for example break pointing --rocm-path at the device library build directory for library tests
I also don't see what value checking the version really provides; it may be informative to print it, but I don't think it's useful to derive information from it


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82930/new/

https://reviews.llvm.org/D82930