[llvm-exegesis] Analysis: Display idealized sched class port pressure.
Summary: Screenshot in phabricator diff.
Reviewers: gchatelet
Subscribers: mgorny, tschuett, mgrang, llvm-commits
Differential Revision: https://reviews.llvm.org/D47329
llvm-svn: 333753
diff --git a/llvm/tools/llvm-exegesis/lib/Analysis.h b/llvm/tools/llvm-exegesis/lib/Analysis.h
index cb3ef30..3611007 100644
--- a/llvm/tools/llvm-exegesis/lib/Analysis.h
+++ b/llvm/tools/llvm-exegesis/lib/Analysis.h
@@ -58,6 +58,13 @@
std::unordered_map<std::string, unsigned> MnemonicToOpcode_;
};
+// Computes the idealized ProcRes Unit pressure. This is the expected
+// distribution if the CPU scheduler can distribute the load as evenly as
+// possible.
+std::vector<std::pair<uint16_t, float>> computeIdealizedProcResPressure(
+ const llvm::MCSchedModel &SM,
+ llvm::SmallVector<llvm::MCWriteProcResEntry, 8> WPRS);
+
} // namespace exegesis
#endif // LLVM_TOOLS_LLVM_EXEGESIS_CLUSTERING_H