1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 62c6ba87738..dfedbba8968 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -2407,6 +2407,10 @@ RISCVTargetLowering::getConstraintType(StringRef Constraint) const {
       break;
     case 'f':
       return C_RegisterClass;
+    case 'I':
+    case 'J':
+    case 'K':
+      return C_Immediate;
     }
   }
   return TargetLowering::getConstraintType(Constraint);