[mips] Unified the MipsMemSimm9GPRAsmOperand and MipsMemSimm9AsmOperand operands, NFC.

Summary:
These operands had the same purpose, however the MipsMemSimm9GPRAsmOperand
operand was only for micromips32r6 and the MipsMemSimm9AsmOperand did not
have a ParserMatchClass.

Patch by Scott Egerton

Reviewers: vkalintiris, dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D12730


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247573 91177308-0d34-0410-b5e6-96231b3b80d8

Author: dsandersllvm

lib/Target/Mips/AsmParser/MipsAsmParser.cpp

@@ -944,9 +944,6 @@ class MipsOperand : public MCParsedAsmOperand {
     return isMem() && dyn_cast<MCConstantExpr>(getMemOff());
   }
   template <unsigned Bits> bool isMemWithSimmOffset() const {
-    return isMem() && isConstantMemOff() && isInt<Bits>(getConstantMemOff());
-  }
-  template <unsigned Bits> bool isMemWithSimmOffsetGPR() const {
     return isMem() && isConstantMemOff() && isInt<Bits>(getConstantMemOff())
       && getMemBase()->isGPRAsmReg();
   }

lib/Target/Mips/MicroMips32r6InstrInfo.td

@@ -185,26 +185,6 @@ class CVT_S_D_MMR6_ENC : POOL32F_CVT_DS_FM<"cvt.s.d", 0, 0b1101101>;
 class CVT_S_W_MMR6_ENC : POOL32F_CVT_DS_FM<"cvt.s.w", 1, 0b1101101>;
 class CVT_S_L_MMR6_ENC : POOL32F_CVT_DS_FM<"cvt.s.l", 2, 0b1101101>;
 
-//===----------------------------------------------------------------------===//
-//
-// Operand Definitions
-//
-//===----------------------------------------------------------------------===//
-
-def MipsMemSimm9GPRAsmOperand : AsmOperandClass {
-  let Name = "MemOffsetSimm9GPR";
-  let SuperClasses = [MipsMemAsmOperand];
-  let RenderMethod = "addMemOperands";
-  let ParserMethod = "parseMemOperand";
-  let PredicateMethod = "isMemWithSimmOffsetGPR<9>";
-}
-
-def mem_simm9gpr : mem_generic {
-  let MIOperandInfo = (ops ptr_rc, simm9);
-  let EncoderMethod = "getMemEncoding";
-  let ParserMatchClass = MipsMemSimm9GPRAsmOperand;
-}
-
 //===----------------------------------------------------------------------===//
 //
 // Instruction Descriptions
@@ -407,7 +387,7 @@ class SWE_MMR6_DESC_BASE<string opstr, DAGOperand RO, DAGOperand MO,
   let mayStore = 1;
 }
 class SW_MMR6_DESC : Store<"sw", GPR32Opnd>;
-class SWE_MMR6_DESC : SWE_MMR6_DESC_BASE<"swe", GPR32Opnd, mem_simm9gpr>;
+class SWE_MMR6_DESC : SWE_MMR6_DESC_BASE<"swe", GPR32Opnd, mem_simm9>;
 
 /// Floating Point Instructions
 class FARITH_MMR6_DESC_BASE<string instr_asm, RegisterOperand RC,

lib/Target/Mips/MipsInstrInfo.td

@@ -451,6 +451,14 @@ def MipsMemAsmOperand : AsmOperandClass {
   let ParserMethod = "parseMemOperand";
 }
 
+def MipsMemSimm9AsmOperand : AsmOperandClass {
+  let Name = "MemOffsetSimm9";
+  let SuperClasses = [MipsMemAsmOperand];
+  let RenderMethod = "addMemOperands";
+  let ParserMethod = "parseMemOperand";
+  let PredicateMethod = "isMemWithSimmOffset<9>";
+}
+
 def MipsMemSimm11AsmOperand : AsmOperandClass {
   let Name = "MemOffsetSimm11";
   let SuperClasses = [MipsMemAsmOperand];
@@ -501,6 +509,7 @@ def mem_msa : mem_generic {
 def mem_simm9 : mem_generic {
   let MIOperandInfo = (ops ptr_rc, simm9);
   let EncoderMethod = "getMemEncoding";
+  let ParserMatchClass = MipsMemSimm9AsmOperand;
 }
 
 def mem_simm11 : mem_generic {