Revert "[mlir][ArmSME] Add rudimentary support for tile spills to the stack (llvm#76086)"

breaks SLES 15 SP4 gcc 7.5 builds

This reverts commit 5417a5f.

Change-Id: I1d78d877481f9445ef74ee59b0987630e7279844

Author: ronlieb

mlir/include/mlir/Dialect/ArmSME/IR/ArmSME.h

@@ -25,9 +25,8 @@
 #include "mlir/Interfaces/SideEffectInterfaces.h"
 
 namespace mlir::arm_sme {
-static constexpr unsigned kInMemoryTileIdBase = 16;
 #include "mlir/Dialect/ArmSME/IR/ArmSMEOpInterfaces.h.inc"
-} // namespace mlir::arm_sme
+}
 
 #define GET_ATTRDEF_CLASSES
 #include "mlir/Dialect/ArmSME/IR/ArmSMEAttrDefs.h.inc"

mlir/include/mlir/Dialect/ArmSME/IR/ArmSMEOps.td

@@ -97,11 +97,6 @@ def ArmSMETileOpInterface : OpInterface<"ArmSMETileOpInterface"> {
         // This operation does not allocate a tile.
         return std::nullopt;
       }]
-    >,
-    InterfaceMethod<
-      "Returns the VectorType of the tile used by this operation.",
-      /*returnType=*/"VectorType",
-      /*methodName=*/"getTileType"
     >
   ];
 
@@ -122,11 +117,6 @@ def ArmSMETileOpInterface : OpInterface<"ArmSMETileOpInterface"> {
       rewriter.replaceOp($_op, newOp);
       return newOp;
     }
-
-    bool isInMemoryTile() {
-      auto tileId = getTileId();
-      return tileId && tileId.getInt() >= kInMemoryTileIdBase;
-    }
   }];
 
   let verify = [{ return ::mlir::arm_sme::verifyOperationHasValidTileId($_op); }];
@@ -341,9 +331,6 @@ def ZeroOp : ArmSME_Op<"zero", [ArmSMETileOpInterface]> {
     std::optional<arm_sme::ArmSMETileType> getAllocatedTileType() {
       return arm_sme::getSMETileType(getVectorType());
     }
-    VectorType getTileType() {
-      return getVectorType();
-    }
   }];
   let assemblyFormat = "attr-dict `:` type($res)";
 }
@@ -420,9 +407,6 @@ def TileLoadOp : ArmSME_Op<"tile_load", [
     std::optional<arm_sme::ArmSMETileType> getAllocatedTileType() {
       return arm_sme::getSMETileType(getVectorType());
     }
-    VectorType getTileType() {
-      return getVectorType();
-    }
   }];
 
   let builders = [
@@ -491,9 +475,6 @@ def TileStoreOp : ArmSME_Op<"tile_store", [
     VectorType getVectorType() {
       return ::llvm::cast<VectorType>(getValueToStore().getType());
     }
-    VectorType getTileType() {
-      return getVectorType();
-    }
   }];
 
   let builders = [
@@ -558,9 +539,6 @@ def LoadTileSliceOp : ArmSME_Op<"load_tile_slice", [
     VectorType getVectorType() {
       return ::llvm::cast<VectorType>(getResult().getType());
     }
-    VectorType getTileType() {
-      return getVectorType();
-    }
   }];
 
   let assemblyFormat = [{
@@ -618,9 +596,6 @@ def StoreTileSliceOp : ArmSME_Op<"store_tile_slice", [
     VectorType getVectorType() {
       return ::llvm::cast<VectorType>(getTile().getType());
     }
-    VectorType getTileType() {
-      return getVectorType();
-    }
   }];
 
   let assemblyFormat = [{
@@ -713,9 +688,6 @@ def MoveTileSliceToVectorOp : ArmSME_Op<"move_tile_slice_to_vector", [
 
   let extraClassDeclaration = [{
     VectorType getSliceType() { return getResult().getType(); }
-    VectorType getTileType() {
-      return ::llvm::cast<VectorType>(getTile().getType());
-    }
   }];
 
   let assemblyFormat = [{
@@ -808,9 +780,6 @@ let arguments = (ins
         return arm_sme::getSMETileType(getResultType());
       return std::nullopt;
     }
-    VectorType getTileType() {
-      return getResultType();
-    }
   }];
 }