| // RUN: mlir-opt -canonicalize -split-input-file -verify-diagnostics %s | mlir-opt | FileCheck %s |
| |
| // This tests that the `arm_sme.materialize_ssa_tile` placeholder is removed |
| // once it becomes unused, after lowering to control flow. |
| |
| // ----- |
| |
| // CHECK-LABEL: @unused_materialize_ssa_tile_is_removed_from_blocks |
| // CHECK-NOT: arm_sme.materialize_ssa_tile |
| // CHECK-NOT: vector<[4]x[4]xf32> |
| func.func @unused_materialize_ssa_tile_is_removed_from_blocks(%arg0: memref<?x?xi32>) { |
| %c10 = arith.constant 10 : index |
| %c0 = arith.constant 0 : index |
| %c1 = arith.constant 1 : index |
| %tile = arm_sme.materialize_ssa_tile : vector<[4]x[4]xf32> |
| cf.br ^bb1(%c0, %tile : index, vector<[4]x[4]xf32>) |
| ^bb1(%1: index, %2: vector<[4]x[4]xf32>): // 2 preds: ^bb0, ^bb2 |
| %3 = arith.cmpi slt, %1, %c10 : index |
| cf.cond_br %3, ^bb2, ^bb3 |
| ^bb2: // pred: ^bb1 |
| %4 = arith.addi %1, %c1 : index |
| cf.br ^bb1(%4, %tile : index, vector<[4]x[4]xf32>) |
| ^bb3: // pred: ^bb1 |
| return |
| } |
