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Fully unroll for-loops with tripCount < unrollFactor (#1568)
Co-authored-by: AndraBisca <[email protected]> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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| //===- loop_test_small.mlir ------------------------------------*- MLIR -*-===// | ||
| // | ||
| // This file is licensed under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // | ||
| // Copyright (C) 2024, Advanced Micro Devices, Inc. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| // RUN: aie-opt --aie-objectFifo-stateful-transform %s | FileCheck %s | ||
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| // CHECK-LABEL: aie.device(xcvc1902) { | ||
| // CHECK: memref.global "public" @of_2 : memref<16xi32> | ||
| // CHECK: memref.global "public" @of_1 : memref<16xi32> | ||
| // CHECK: %tile_1_2 = aie.tile(1, 2) | ||
| // CHECK: %tile_1_3 = aie.tile(1, 3) | ||
| // CHECK: %of_2_buff_0 = aie.buffer(%tile_1_2) {sym_name = "of_2_buff_0"} : memref<16xi32> | ||
| // CHECK: %of_2_buff_1 = aie.buffer(%tile_1_2) {sym_name = "of_2_buff_1"} : memref<16xi32> | ||
| // CHECK: %of_2_buff_2 = aie.buffer(%tile_1_2) {sym_name = "of_2_buff_2"} : memref<16xi32> | ||
| // CHECK: %of_2_lock_0 = aie.lock(%tile_1_2, 0) {init = 0 : i32, sym_name = "of_2_lock_0"} | ||
| // CHECK: %of_2_lock_1 = aie.lock(%tile_1_2, 1) {init = 0 : i32, sym_name = "of_2_lock_1"} | ||
| // CHECK: %of_2_lock_2 = aie.lock(%tile_1_2, 2) {init = 0 : i32, sym_name = "of_2_lock_2"} | ||
| // CHECK: %of_1_buff_0 = aie.buffer(%tile_1_3) {sym_name = "of_1_buff_0"} : memref<16xi32> | ||
| // CHECK: %of_1_buff_1 = aie.buffer(%tile_1_3) {sym_name = "of_1_buff_1"} : memref<16xi32> | ||
| // CHECK: %of_1_lock_0 = aie.lock(%tile_1_3, 0) {init = 0 : i32, sym_name = "of_1_lock_0"} | ||
| // CHECK: %of_1_lock_1 = aie.lock(%tile_1_3, 1) {init = 0 : i32, sym_name = "of_1_lock_1"} | ||
| // CHECK: func.func @some_work(%arg0: memref<16xi32>, %arg1: memref<16xi32>, %arg2: index) { | ||
| // CHECK: return | ||
| // CHECK: } | ||
| // CHECK: %core_1_2 = aie.core(%tile_1_2) { | ||
| // CHECK: %c0 = arith.constant 0 : index | ||
| // CHECK: %c1 = arith.constant 1 : index | ||
| // CHECK: %c4 = arith.constant 4 : index | ||
| // CHECK: aie.use_lock(%of_1_lock_0, Acquire, 1) | ||
| // CHECK: aie.use_lock(%of_2_lock_0, Acquire, 0) | ||
| // CHECK: func.call @some_work(%of_1_buff_0, %of_2_buff_0, %c0) : (memref<16xi32>, memref<16xi32>, index) -> () | ||
| // CHECK: aie.use_lock(%of_1_lock_0, Release, 0) | ||
| // CHECK: aie.use_lock(%of_2_lock_0, Release, 1) | ||
| // CHECK: %c1_1 = arith.constant 1 : index | ||
| // CHECK: %0 = arith.muli %c1, %c1_1 : index | ||
| // CHECK: %1 = arith.addi %c0, %0 : index | ||
| // CHECK: aie.use_lock(%of_1_lock_1, Acquire, 1) | ||
| // CHECK: aie.use_lock(%of_2_lock_1, Acquire, 0) | ||
| // CHECK: func.call @some_work(%of_1_buff_1, %of_2_buff_1, %1) : (memref<16xi32>, memref<16xi32>, index) -> () | ||
| // CHECK: aie.use_lock(%of_1_lock_1, Release, 0) | ||
| // CHECK: aie.use_lock(%of_2_lock_1, Release, 1) | ||
| // CHECK: %c2 = arith.constant 2 : index | ||
| // CHECK: %2 = arith.muli %c1, %c2 : index | ||
| // CHECK: %3 = arith.addi %c0, %2 : index | ||
| // CHECK: aie.use_lock(%of_1_lock_0, Acquire, 1) | ||
| // CHECK: aie.use_lock(%of_2_lock_2, Acquire, 0) | ||
| // CHECK: func.call @some_work(%of_1_buff_0, %of_2_buff_2, %3) : (memref<16xi32>, memref<16xi32>, index) -> () | ||
| // CHECK: aie.use_lock(%of_1_lock_0, Release, 0) | ||
| // CHECK: aie.use_lock(%of_2_lock_2, Release, 1) | ||
| // CHECK: %c3 = arith.constant 3 : index | ||
| // CHECK: %4 = arith.muli %c1, %c3 : index | ||
| // CHECK: %5 = arith.addi %c0, %4 : index | ||
| // CHECK: aie.use_lock(%of_1_lock_1, Acquire, 1) | ||
| // CHECK: aie.use_lock(%of_2_lock_0, Acquire, 0) | ||
| // CHECK: func.call @some_work(%of_1_buff_1, %of_2_buff_0, %5) : (memref<16xi32>, memref<16xi32>, index) -> () | ||
| // CHECK: aie.use_lock(%of_1_lock_1, Release, 0) | ||
| // CHECK: aie.use_lock(%of_2_lock_0, Release, 1) | ||
| // CHECK: aie.end | ||
| // CHECK: } | ||
| // CHECK: } | ||
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||
| module { | ||
| aie.device(xcvc1902) { | ||
| %tile12 = aie.tile(1, 2) | ||
| %tile13 = aie.tile(1, 3) | ||
| aie.objectfifo @of_1 (%tile13, {%tile12}, 2 : i32) : !aie.objectfifo<memref<16xi32>> | ||
| aie.objectfifo @of_2 (%tile12, {%tile13}, 3 : i32) : !aie.objectfifo<memref<16xi32>> | ||
| func.func @some_work(%line_inA:memref<16xi32>, %line_inB:memref<16xi32>, %index:index) -> () { | ||
| return | ||
| } | ||
| %core12 = aie.core(%tile12) { | ||
| %c0 = arith.constant 0 : index | ||
| %c1 = arith.constant 1 : index | ||
| %c4 = arith.constant 4 : index | ||
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| scf.for %indexInHeight = %c0 to %c4 step %c1 { | ||
| %subviewIn = aie.objectfifo.acquire @of_1 (Consume, 1) : !aie.objectfifosubview<memref<16xi32>> | ||
| %subviewOut = aie.objectfifo.acquire @of_2 (Produce, 1) : !aie.objectfifosubview<memref<16xi32>> | ||
| %elemIn = aie.objectfifo.subview.access %subviewIn[0] : !aie.objectfifosubview<memref<16xi32>> -> memref<16xi32> | ||
| %elemOut = aie.objectfifo.subview.access %subviewOut[0] : !aie.objectfifosubview<memref<16xi32>> -> memref<16xi32> | ||
| func.call @some_work(%elemIn, %elemOut, %indexInHeight) : (memref<16xi32>, memref<16xi32>, index) -> () | ||
| aie.objectfifo.release @of_1 (Consume, 1) | ||
| aie.objectfifo.release @of_2 (Produce, 1) | ||
| } | ||
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| aie.end | ||
| } | ||
| } | ||
| } |