[MIR] Normalize explicit successor probabilities

1 files changed, 3 insertions, 0 deletions

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;
   }