[llvm] 359c04a - [RISCV] Remove now unused immzero operand type. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2025-07-25T21:16:07-07:00
New Revision: 359c04a61c7013fa7df497193e06e36776559f27

URL: https://github.com/llvm/llvm-project/commit/359c04a61c7013fa7df497193e06e36776559f27
DIFF: https://github.com/llvm/llvm-project/commit/359c04a61c7013fa7df497193e06e36776559f27.diff

LOG: [RISCV] Remove now unused immzero operand type. NFC

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
    llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
    llvm/lib/Target/RISCV/RISCVInstrInfoC.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
index 7ad5d5f3118b6..bddea43fbb09c 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
@@ -330,7 +330,6 @@ enum OperandType : unsigned {
   OPERAND_UIMM32,
   OPERAND_UIMM48,
   OPERAND_UIMM64,
-  OPERAND_ZERO,
   OPERAND_THREE,
   OPERAND_FOUR,
   OPERAND_SIMM5,

diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
index 64f9e3eb8d86f..085064eee896a 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
@@ -2859,9 +2859,6 @@ bool RISCVInstrInfo::verifyInstruction(const MachineInstr &MI,
         case RISCVOp::OPERAND_UIMM16_NONZERO:
           Ok = isUInt<16>(Imm) && (Imm != 0);
           break;
-        case RISCVOp::OPERAND_ZERO:
-          Ok = Imm == 0;
-          break;
         case RISCVOp::OPERAND_THREE:
           Ok = Imm == 3;
           break;

diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfoC.td b/llvm/lib/Target/RISCV/RISCVInstrInfoC.td
index ce74faae1921b..1dc212f4042a8 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoC.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoC.td
@@ -57,12 +57,6 @@ def simm6nonzero : RISCVOp,
   }];
 }
 
-def immzero : RISCVOp,
-              ImmLeaf<XLenVT, [{return (Imm == 0);}]> {
-  let ParserMatchClass = ImmZeroAsmOperand;
-  let OperandType = "OPERAND_ZERO";
-}
-
 def CLUIImmAsmOperand : AsmOperandClass {
   let Name = "CLUIImm";
   let RenderMethod = "addImmOperands";