[llvm] [SampleFDO] Improve stale profile matching by diff algorithm (PR #87375)
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Wed May 8 22:55:11 PDT 2024
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@@ -19,6 +19,9 @@
namespace llvm {
+using Anchor = std::pair<LineLocation, FunctionId>;
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WenleiHe wrote:
nit: instead of defining `Anchor` which is not used by `AnchorMap`, how about `using AnchorList = std::vector<std::pair<LineLocation, FunctionId>>` and not defining a common `Anchor` type?
https://github.com/llvm/llvm-project/pull/87375
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