[llvm] [SelectionDAG] Add support to filter SelectionDAG dumps during ISel by function names (PR #72696)

[Paul Kirth via llvm-commits]

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@@ -201,6 +201,14 @@ Changes to the C API
 Changes to the CodeGen infrastructure
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+* A new debug type ``isel-dump`` is added to show only the SelectionDAG dumps
+  after each ISel phase (i.e. ``-debug-onlu=isel-dump``). This new debug type
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ilovepi wrote:

typo: `-debug-only=`

https://github.com/llvm/llvm-project/pull/72696