[mlir][vector] Add alignment to compressstore

Author: amd-eochoalo

mlir/include/mlir/Dialect/Vector/IR/VectorOps.td

@@ -2244,7 +2244,9 @@ def Vector_CompressStoreOp :
     Arguments<(ins Arg<AnyMemRef, "", [MemWrite]>:$base,
                Variadic<Index>:$indices,
                FixedVectorOfNonZeroRankOf<[I1]>:$mask,
-               AnyVectorOfNonZeroRank:$valueToStore)> {
+               AnyVectorOfNonZeroRank:$valueToStore,
+               ConfinedAttr<OptionalAttr<I64Attr>,
+                            [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)> {
 
   let summary = "writes elements selectively from a vector as defined by a mask";
 
@@ -2303,6 +2305,17 @@ def Vector_CompressStoreOp :
       "type($base) `,` type($mask) `,` type($valueToStore)";
   let hasCanonicalizer = 1;
   let hasVerifier = 1;
+  let builders = [
+    OpBuilder<(ins "Value":$base,
+                   "ValueRange":$indices,
+                   "Value":$mask,
+                   "Value":$valueToStore,
+                   CArg<"llvm::Align", "llvm::Align()">:$alignment), [{
+      return build($_builder, $_state, base, indices, valueToStore, mask,
+                   alignment != llvm::Align() ? $_builder.getI64IntegerAttr(alignment.value()) :
+                                    nullptr);
+    }]>
+  ];
 }
 
 def Vector_ShapeCastOp :

mlir/test/Dialect/Vector/invalid.mlir

@@ -1599,6 +1599,20 @@ func.func @compress_memref_mismatch(%base: memref<?x?xf32>, %mask: vector<16xi1>
 
 // -----
 
+func.func @compress_invalid_alignment(%base: memref<?xf32>, %mask: vector<16xi1>, %value: vector<16xf32>, %c0: index) {
+  // expected-error @below {{'vector.compressstore' op attribute 'alignment' failed to satisfy constraint: 64-bit signless integer attribute whose value is positive and whose value is a power of two > 0}}
+  vector.compressstore %base[%c0], %mask, %value { alignment = -1 } : memref<?xf32>, vector<16xi1>, vector<16xf32>
+}
+
+// -----
+
+func.func @compress_invalid_alignment(%base: memref<?xf32>, %mask: vector<16xi1>, %value: vector<16xf32>, %c0: index) {
+  // expected-error @below {{'vector.compressstore' op attribute 'alignment' failed to satisfy constraint: 64-bit signless integer attribute whose value is positive and whose value is a power of two > 0}}
+  vector.compressstore %base[%c0], %mask, %value { alignment = 3 } : memref<?xf32>, vector<16xi1>, vector<16xf32>
+}
+
+// -----
+
 func.func @scan_reduction_dim_constraint(%arg0: vector<2x3xi32>, %arg1: vector<3xi32>) -> vector<3xi32> {
   // expected-error@+1 {{'vector.scan' op reduction dimension 5 has to be less than 2}}
   %0:2 = vector.scan <add>, %arg0, %arg1 {inclusive = true, reduction_dim = 5} :