[llvm] [CodeGen] Let `PassBuilder` support machine passes (PR #76320)

[Arthur Eubanks via llvm-commits]

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@@ -73,6 +73,7 @@
 #include "llvm/Analysis/TypeBasedAliasAnalysis.h"
 #include "llvm/Analysis/UniformityAnalysis.h"
 #include "llvm/CodeGen/CallBrPrepare.h"
+#include "llvm/CodeGen/CodeGenPassBuilder.h"
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aeubanks wrote:

oh man I don't think having those `DUMMY_*_PASS` was a great idea. we should just add passes to the pipeline as we port them. we really shouldn't have to include `CodeGenPassBuilder.h`

can you just not `#define DUMMY_*_PASS` below?

https://github.com/llvm/llvm-project/pull/76320