[llvm] [LLVM][NewPM] Add a C API for setting the PassBuilder AA pipeline. (PR #102482)

[Nikita Popov via llvm-commits]

================
@@ -72,6 +72,13 @@ void LLVMPassBuilderOptionsSetVerifyEach(LLVMPassBuilderOptionsRef Options,
 void LLVMPassBuilderOptionsSetDebugLogging(LLVMPassBuilderOptionsRef Options,
                                            LLVMBool DebugLogging);
 
+/**
+ * Specify a custom alias analysis pipeline for the PassBuilder
+ * to be used instead of the default one.
----------------
nikic wrote:

Maybe add a note here that the string has to live at least as long as PassBuilderOptions, as it is not copied.

https://github.com/llvm/llvm-project/pull/102482