[AIX] Set memrchr to unavailable (llvm#92588)

`memrchr` is not available on AIX. This patch turns it off so the optimizer will not generate it to cause link errors.
GPUOpen-Drivers · May 21, 2024 · a53e568 · a53e568
1 parent 8f1c984
commit a53e568
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -882,6 +882,9 @@ static void initializeLibCalls(TargetLibraryInfoImpl &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc_vec_free);
   }
 
+  if (T.isOSAIX())
+    TLI.setUnavailable(LibFunc_memrchr);
+
   TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary, T);
 }