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