[RISCV] Remove 'rs1' field from RVInst16 class. NFC

diff --git a/llvm/lib/Target/RISCV/RISCVInstrFormatsC.td b/llvm/lib/Target/RISCV/RISCVInstrFormatsC.td
index fa1c3e91641230b8e5e535064e2109de37a767c1..db93c1161580d786caac596f3be59e786ad0d255 100644 (file)
--- a/llvm/lib/Target/RISCV/RISCVInstrFormatsC.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrFormatsC.td
@@ -53,7 +53,6 @@ class RVInst16CI<bits<3> funct3, bits<2> opcode, dag outs, dag ins,
     : RVInst16<outs, ins, opcodestr, argstr, [], InstFormatCI> {
   bits<10> imm;
   bits<5> rd;
-  bits<5> rs1;
 
   let Inst{15-13} = funct3;
   let Inst{12} = imm{5};