[llvm] [CodeGen] Expose the extensibility of PassConfig to plugins (PR #139059)

[Stefan Gränitz via llvm-commits]

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@@ -0,0 +1,26 @@
+#include "llvm/Target/RegisterTargetPassConfigCallback.h"
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weliveindetail wrote:

Thanks, good catch! I will add it before landing

https://github.com/llvm/llvm-project/pull/139059