================
@@ -2693,6 +2693,17 @@ An error will be given if:
}];
}
+def AMDGPULibFunDocs : Documentation {
+ let Category = DocCatAMDGPUAttributes;
+ let Content = [{
+The ``amdgpu_lib_fun`` attribute can be applied to a function for AMDGPU target
+to indicate it is a library function which are handled specially in backend.
+An AMDGPU library function is not internalized and can be used to fullfill
+calls generated by LLVM passes or instruction selection. Unused AMDGPU library
+functions will be eliminated by the backend.
----------------
jhuber6 wrote:
The wording is a little confusing here, just what I'm guessing from the jist.
```suggestion
The ``amdgpu_lib_fun`` attribute can be applied to a function for while
targeting
AMDGPU to indicate that it will be handled specially by the backend.
A library function will not be optimized out by standard LLVM passes and can be
used to resolve function calls. These functions will not be emitted by the
backend.
```
https://github.com/llvm/llvm-project/pull/74737
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