1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h
index 4184052..121b8a2 100644
--- a/include/llvm/Target/TargetRegisterInfo.h
+++ b/include/llvm/Target/TargetRegisterInfo.h
@@ -46,6 +46,9 @@ public:
   const uint32_t *SubClassMask;
   const uint16_t *SuperRegIndices;
   const unsigned LaneMask;
+  /// Classes with a higher priority value are assigned first by register
+  /// allocators using a greedy heuristic. The value is in the range [0,63].
+  const uint8_t AllocationPriority;
   /// Whether the class supports two (or more) disjunct subregister indices.
   const bool HasDisjunctSubRegs;
   const sc_iterator SuperClasses;