1 files changed, 9 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h b/contrib/llvm-project/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
index 00b4751905f6..30ed36525e29 100644
--- a/contrib/llvm-project/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
+++ b/contrib/llvm-project/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
@@ -113,6 +113,15 @@ enum {
 
   UsesVXRMShift = HasRoundModeOpShift + 1,
   UsesVXRMMask = 1 << UsesVXRMShift,
+
+  // Indicates whether these instructions can partially overlap between source
+  // registers and destination registers according to the vector spec.
+  // 0 -> not a vector pseudo
+  // 1 -> default value for vector pseudos. not widening or narrowing.
+  // 2 -> narrowing case
+  // 3 -> widening case
+  TargetOverlapConstraintTypeShift = UsesVXRMShift + 1,
+  TargetOverlapConstraintTypeMask = 3ULL << TargetOverlapConstraintTypeShift,
 };
 
 enum VLMUL : uint8_t {