1 files changed, 13 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h b/llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
index 6293a2462306..74cd2e681ded 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
@@ -393,9 +393,21 @@ namespace ARMII {
     // in an IT block).
     ThumbArithFlagSetting = 1 << 19,
 
-    // Whether an instruction can be included in an MVE tail-predicated loop.
+    // Whether an instruction can be included in an MVE tail-predicated loop,
+    // though extra validity checks may need to be performed too.
     ValidForTailPredication = 1 << 20,
 
+    // Whether an instruction writes to the top/bottom half of a vector element
+    // and leaves the other half untouched.
+    RetainsPreviousHalfElement = 1 << 21,
+
+    // Whether the instruction produces a scalar result from vector operands.
+    HorizontalReduction = 1 << 22,
+
+    // Whether this instruction produces a vector result that is larger than
+    // its input, typically reading from the top/bottom halves of the input(s).
+    DoubleWidthResult = 1 << 23,
+
     //===------------------------------------------------------------------===//
     // Code domain.
     DomainShift   = 15,