[Mlir-commits] [mlir] [MLIR][CMake] Add PCH for MLIRIR (PR #213412)

[Alexis Engelke]

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@@ -305,6 +305,121 @@ function(add_mlir_example_library name)
   endif()
 endfunction()
 
+# Determine whether a target reaches MLIRIR through its link libraries.
+function(_mlir_links_ir name out)
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aengelke wrote:

I'm not too familiar with the MLIR library struture, but why don't these transitive dependencies list MLIRIR as dependency if they use it? Not relying on transitive dependencies seems an easier way than adding complicated CMake logic.

https://github.com/llvm/llvm-project/pull/213412