[Mlir-commits] [mlir] [mlir][vector] Add patterns for vector masked load/store (PR #74834)

Jakub Kuderski llvmlistbot at llvm.org
Thu Dec 14 18:43:05 PST 2023


================
@@ -0,0 +1,95 @@
+// RUN: mlir-opt %s --test-vector-emulate-masked-load-store | FileCheck %s
+
+// CHECK-LABEL:  @vector_maskedload
+//  CHECK-SAME:  (%[[ARG0:.*]]: memref<4x5xf32, #spirv.storage_class<StorageBuffer>>) -> vector<4xf32> {
+//       CHECK:  %[[CST:.*]] = arith.constant dense<0.000000e+00> : vector<4xf32>
+//       CHECK:  %[[C7:.*]] = arith.constant 7 : index
+//       CHECK:  %[[C6:.*]] = arith.constant 6 : index
+//       CHECK:  %[[C5:.*]] = arith.constant 5 : index
+//       CHECK:  %[[C0:.*]] = arith.constant 0 : index
+//       CHECK:  %[[C1:.*]] = arith.constant 1 : index
+//       CHECK:  %[[C4:.*]] = arith.constant 4 : index
+//       CHECK:  %[[S0:.*]] = vector.create_mask %[[C1]] : vector<4xi1>
+//       CHECK:  %[[S1:.*]] = vector.extract %[[S0]][0] : i1 from vector<4xi1>
+//       CHECK:  %[[S2:.*]] = scf.if %[[S1]] -> (vector<4xf32>) {
+//       CHECK:    %[[S9:.*]] = memref.load %[[ARG0]][%[[C0]], %[[C4]]] : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>
+//       CHECK:    %[[S10:.*]] = vector.insert %[[S9]], %[[CST]] [0] : f32 into vector<4xf32>
+//       CHECK:    scf.yield %[[S10]] : vector<4xf32>
+//       CHECK:  } else {
+//       CHECK:    scf.yield %[[CST]] : vector<4xf32>
+//       CHECK:  }
+//       CHECK:  %[[S3:.*]] = vector.extract %[[S0]][1] : i1 from vector<4xi1>
+//       CHECK:  %[[S4:.*]] = scf.if %[[S3]] -> (vector<4xf32>) {
+//       CHECK:    %[[S9:.*]] = memref.load %[[ARG0]][%[[C0]], %[[C5]]] : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>
+//       CHECK:    %[[S10:.*]] = vector.insert %[[S9]], %[[S2]] [1] : f32 into vector<4xf32>
+//       CHECK:    scf.yield %[[S10]] : vector<4xf32>
+//       CHECK:  } else {
+//       CHECK:    scf.yield %[[S2]] : vector<4xf32>
+//       CHECK:  }
+//       CHECK:  %[[S5:.*]] = vector.extract %[[S0]][2] : i1 from vector<4xi1>
+//       CHECK:  %[[S6:.*]] = scf.if %[[S5]] -> (vector<4xf32>) {
+//       CHECK:    %[[S9:.*]] = memref.load %[[ARG0]][%[[C0]], %[[C6]]] : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>
+//       CHECK:    %[[S10:.*]] = vector.insert %[[S9]], %[[S4]] [2] : f32 into vector<4xf32>
+//       CHECK:    scf.yield %[[S10]] : vector<4xf32>
+//       CHECK:  } else {
+//       CHECK:    scf.yield %[[S4]] : vector<4xf32>
+//       CHECK:  }
+//       CHECK:  %[[S7:.*]] = vector.extract %[[S0]][3] : i1 from vector<4xi1>
+//       CHECK:  %[[S8:.*]] = scf.if %[[S7]] -> (vector<4xf32>) {
+//       CHECK:    %[[S9:.*]] = memref.load %[[ARG0]][%[[C0]], %[[C7]]] : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>
+//       CHECK:    %[[S10:.*]] = vector.insert %[[S9]], %[[S6]] [3] : f32 into vector<4xf32>
+//       CHECK:    scf.yield %[[S10]] : vector<4xf32>
+//       CHECK:  } else {
+//       CHECK:    scf.yield %[[S6]] : vector<4xf32>
+//       CHECK:  }
+//       CHECK:  return %[[S8]] : vector<4xf32>
+func.func @vector_maskedload(%arg0 : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>) -> vector<4xf32> {
+  %idx_0 = arith.constant 0 : index
+  %idx_1 = arith.constant 1 : index
+  %idx_4 = arith.constant 4 : index
+  %mask = vector.create_mask %idx_1 : vector<4xi1>
+  %s = arith.constant 0.0 : f32
+  %pass_thru = vector.splat %s : vector<4xf32>
+  %0 = vector.maskedload %arg0[%idx_0, %idx_4], %mask, %pass_thru : memref<4x5xf32, #spirv.storage_class<StorageBuffer>>, vector<4xi1>, vector<4xf32> into vector<4xf32>
+  return %0: vector<4xf32>
+}
+
+// CHECK-LABEL:  @vector_maskedstore
+//  CHECK-SAME:  (%[[ARG0:.*]]: memref<4x5xf32, #spirv.storage_class<StorageBuffer>>, %[[ARG1:.*]]: vector<4xf32>) {
+//       CHECK:  %[[C7:.*]] = arith.constant 7 : index
+//       CHECK:  %[[C6:.*]] = arith.constant 6 : index
+//       CHECK:  %[[C5:.*]] = arith.constant 5 : index
+//       CHECK:  %[[C0:.*]] = arith.constant 0 : index
+//       CHECK:  %[[C1:.*]] = arith.constant 1 : index
+//       CHECK:  %[[C4:.*]] = arith.constant 4 : index
+//       CHECK:  %[[S0:.*]] = vector.create_mask %[[C1]] : vector<4xi1>
----------------
kuhar wrote:

Also here

https://github.com/llvm/llvm-project/pull/74834


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