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Add logical objectFifo hoisting pass
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compiler/plugins/target/AMD-AIE/iree-amd-aie/Transforms/AMDAIEHoistLogicalObjFifo.cpp
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| // Copyright 2024 The IREE Authors | ||
| // | ||
| // 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 | ||
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| #include "iree-amd-aie/IR/AMDAIEOps.h" | ||
| #include "iree-amd-aie/Transforms/Passes.h" | ||
| #include "iree-amd-aie/Transforms/Transforms.h" | ||
| #include "mlir/Dialect/Func/IR/FuncOps.h" | ||
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| #define DEBUG_TYPE "iree-amdaie-hoist-logical-objectfifo" | ||
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| namespace mlir::iree_compiler::AMDAIE { | ||
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| /// Hoist logical objectFifo operations until one of the operands is located | ||
| /// within the same scope. | ||
| LogicalResult hoistLogicalObjFifoOp(RewriterBase &rewriter, | ||
| AMDAIE::LogicalObjectFifoFromMemrefOp op) { | ||
| Operation *ancestorOp = op; | ||
| while (ancestorOp) { | ||
| Operation *newAncestorOp = ancestorOp->getParentOp(); | ||
| if (llvm::any_of(op->getOperands(), [&](Value operand) { | ||
| return operand.getDefiningOp() && | ||
| newAncestorOp->isProperAncestor(operand.getDefiningOp()); | ||
| })) { | ||
| break; | ||
| } | ||
| if (isa<AMDAIE::WorkgroupOp, AMDAIE::ControlCodeOp, func::FuncOp>( | ||
| newAncestorOp)) { | ||
| break; | ||
| } | ||
| ancestorOp = newAncestorOp; | ||
| } | ||
| if (ancestorOp && ancestorOp != op) rewriter.moveOpBefore(op, ancestorOp); | ||
| return failure(); | ||
| } | ||
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| namespace { | ||
| struct AMDAIEHoistLogicalObjFifoPass | ||
| : public impl::AMDAIEHoistLogicalObjFifoBase< | ||
| AMDAIEHoistLogicalObjFifoPass> { | ||
| void runOnOperation() override; | ||
| }; | ||
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| void AMDAIEHoistLogicalObjFifoPass::runOnOperation() { | ||
| Operation *parentOp = getOperation(); | ||
| IRRewriter rewriter(parentOp->getContext()); | ||
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| SmallVector<AMDAIE::LogicalObjectFifoFromMemrefOp> logicalObjFifos; | ||
| parentOp->walk([&](AMDAIE::LogicalObjectFifoFromMemrefOp op) { | ||
| (void)hoistLogicalObjFifoOp(rewriter, op); | ||
| }); | ||
| } | ||
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| } // namespace | ||
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| std::unique_ptr<Pass> createAMDAIEHoistLogicalObjFifoPass() { | ||
| return std::make_unique<AMDAIEHoistLogicalObjFifoPass>(); | ||
| } | ||
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| } // namespace mlir::iree_compiler::AMDAIE |
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205 changes: 205 additions & 0 deletions
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compiler/plugins/target/AMD-AIE/iree-amd-aie/Transforms/test/hoist_logical_obj_fifo.mlir
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| // RUN: iree-opt --split-input-file --pass-pipeline="builtin.module(iree-amdaie-hoist-logical-objectfifo)" %s | FileCheck %s | ||
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| // CHECK-LABEL: @func_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| // CHECK: scf.forall | ||
| // CHECK-NOT: amdaie.logicalobjectfifo.from_memref | ||
| module { | ||
| func.func @func_hoist(%arg0: memref<32x64xi32>) { | ||
| %c0 = arith.constant 0 : index | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| return | ||
| } | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @func_no_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: scf.forall | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| module { | ||
| func.func @func_no_hoist(%arg0: memref<32x64xi32>) { | ||
| %c0 = arith.constant 0 : index | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| return | ||
| } | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @workgroup_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: amdaie.workgroup | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| // CHECK: scf.forall | ||
| // CHECK-NOT: amdaie.logicalobjectfifo.from_memref | ||
| func.func @workgroup_hoist(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| %c0 = arith.constant 0 : index | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| amdaie.controlcode { | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @workgroup_no_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: amdaie.workgroup | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: scf.forall | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| func.func @workgroup_no_hoist(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| %c0 = arith.constant 0 : index | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| amdaie.controlcode { | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
| // ----- | ||
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| // CHECK-LABEL: @workgroup_no_hoist_outside | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.workgroup | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| func.func @workgroup_no_hoist_outside(%arg0: memref<32x64xi32>) { | ||
| %c0 = arith.constant 0 : index | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| amdaie.workgroup { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| amdaie.controlcode { | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @controlcode_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: amdaie.controlcode | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| // CHECK: scf.forall | ||
| // CHECK: scf.forall | ||
| // CHECK-NOT: amdaie.logicalobjectfifo.from_memref | ||
| func.func @controlcode_hoist(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| amdaie.controlcode { | ||
| %c0 = arith.constant 0 : index | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| scf.forall (%arg3, %arg4) in (1, 2) { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| } | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @controlcode_partial_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: amdaie.controlcode | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: scf.forall | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| // CHECK: scf.forall | ||
| // CHECK-NOT: amdaie.logicalobjectfifo.from_memref | ||
| func.func @controlcode_partial_hoist(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| amdaie.controlcode { | ||
| %c0 = arith.constant 0 : index | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| scf.forall (%arg3, %arg4) in (1, 2) { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| } | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @controlcode_no_hoist | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: amdaie.controlcode | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: scf.forall | ||
| // CHECK: scf.forall | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| func.func @controlcode_no_hoist(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| amdaie.controlcode { | ||
| %c0 = arith.constant 0 : index | ||
| scf.forall (%arg1, %arg2) in (1, 2) { | ||
| scf.forall (%arg3, %arg4) in (1, 2) { | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| } | ||
| } | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: @controlcode_no_hoist_outside | ||
| // CHECK-SAME: %[[ARG0:.+]]: memref<32x64xi32> | ||
| // CHECK: %[[C0:.+]] = arith.constant 0 : index | ||
| // CHECK: %[[TILE_0_0:.+]] = amdaie.tile(%[[C0]], %[[C0]]) | ||
| // CHECK: amdaie.controlcode | ||
| // CHECK: amdaie.logicalobjectfifo.from_memref %[[ARG0]], {%[[TILE_0_0]]} | ||
| func.func @controlcode_no_hoist_outside(%arg0: memref<32x64xi32>) { | ||
| amdaie.workgroup { | ||
| %c0 = arith.constant 0 : index | ||
| %tile_0_0 = amdaie.tile(%c0, %c0) | ||
| amdaie.controlcode { | ||
| %obj0 = amdaie.logicalobjectfifo.from_memref %arg0, {%tile_0_0} : memref<32x64xi32> -> !amdaie.logicalobjectfifo<memref<32x64xi32>> | ||
| amdaie.end | ||
| } | ||
| } | ||
| return | ||
| } |
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