From 9430569e0817c61d6fdaa37cf5cc35445f2f6289 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Fri, 14 Aug 2026 21:39:49 +0800
Subject: [MIR] Normalize explicit successor probabilities

---
 backend/include/rcc/CodeGen/MachineIRTypes.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'backend/include/rcc')

diff --git a/backend/include/rcc/CodeGen/MachineIRTypes.h b/backend/include/rcc/CodeGen/MachineIRTypes.h
index 922adef..66369e0 100644
--- a/backend/include/rcc/CodeGen/MachineIRTypes.h
+++ b/backend/include/rcc/CodeGen/MachineIRTypes.h
@@ -11,6 +11,7 @@
 #include <cstdint>
 #include <functional>
 #include <initializer_list>
+#include <span>
 #include <string>
 #include <type_traits>
 
@@ -207,6 +208,8 @@ public:
   [[nodiscard]] static Expected<BranchProbability> fromFraction(std::uint32_t Numerator,
                                                                 std::uint32_t Denominator);
 
+  static void normalizeProbabilities(std::span<BranchProbability> Probabilities) noexcept;
+
   [[nodiscard]] constexpr std::uint32_t rawValue() const noexcept {
     return RawValue;
   }
-- 
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