[M68k] Add predicates `AtLeastM680x0`

[myhsu]

llvm/lib/Target/M68k/M68kInstrInfo.td

431–432

Could you remove these IsM680X0 predicates (they're wrong anyway) and refactor their references (there are only a few) to use the new one?

[0x59616e]

Replace IsM680x0 with AtLeastM680x0

[myhsu]

LGTM thanks

[0x59616e]

Thanks a lot ;)

llvm/lib/Target/M68k/M68kInstrData.td

 ///  F  E  D  C  B  A  9  8  7  6 | 5  4  3 | 2  1  0
 /// --------------------------------------------------
 ///                               | EFFECTIVE ADDRESS
 ///  0  1  0  0  0  0  1  0  1  1 |   MODE  |   REG
 /// --------------------------------------------------
 let Uses = [CCR] in {
 class MxMoveFromCCR_R
     : MxInst<(outs MxDRD16:$dst), (ins CCRC:$src), "move.w\t$src, $dst", []>,
-      Requires<[ IsM68010 ]> {
+      Requires<[ AtLeastM68010 ]> {
   let Inst = (descend 0b0100001011, MxEncAddrMode_d<"dst">.EA);
 }
 
 class MxMoveFromCCR_M<MxOperand MEMOp, MxEncMemOp DST_ENC>
     : MxInst<(outs), (ins MEMOp:$dst, CCRC:$src), "move.w\t$src, $dst", []>,
-      Requires<[ IsM68010 ]> {
+      Requires<[ AtLeastM68010 ]> {
   let Inst = (ascend
     (descend 0b0100001011, DST_ENC.EA),
     DST_ENC.Supplement
   );
 }
 
 class MxMoveFromCCRPseudo<MxOperand MEMOp>
     : MxPseudo<(outs), (ins MEMOp:$dst, CCRC:$src)>;

llvm/lib/Target/M68k/M68kInstrInfo.td

 
 def SmallCode    : Predicate<"TM.getCodeModel() == CodeModel::Small">;
 def KernelCode   : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
 def FarData      : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
                              "TM.getCodeModel() != CodeModel::Kernel">;
 def NearData     : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
                              "TM.getCodeModel() == CodeModel::Kernel">;
 def IsPIC        : Predicate<"TM.isPositionIndependent()">;
 def IsNotPIC     : Predicate<"!TM.isPositionIndependent()">;
-def IsM68000     : Predicate<"Subtarget.IsM68000()">;
-def IsM68010     : Predicate<"Subtarget.IsM68010()">;
-def IsM68020     : Predicate<"Subtarget.IsM68020()">;
-def IsM68030     : Predicate<"Subtarget.IsM68030()">;
-def IsM68040     : Predicate<"Subtarget.IsM68040()">;
 
+def AtLeastM68000     : Predicate<"Subtarget->atLeastM68000()">;
+def AtLeastM68010     : Predicate<"Subtarget->atLeastM68010()">;
+def AtLeastM68020     : Predicate<"Subtarget->atLeastM68020()">;
+def AtLeastM68030     : Predicate<"Subtarget->atLeastM68030()">;
+def AtLeastM68040     : Predicate<"Subtarget->atLeastM68040()">;
 
 //===----------------------------------------------------------------------===//
 // Condition Codes
 //
 // These MUST be kept in sync with codes enum in M68kInstrInfo.h
 //===----------------------------------------------------------------------===//
 
 def MxCONDt   : PatLeaf<(i8 0)>;  // True