derek.holloway
7502bf64a4
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51 lines
2.6 KiB
MLIR
51 lines
2.6 KiB
MLIR
// RUN: mlir-opt --test-gpu-rewrite -split-input-file %s | FileCheck %s
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// CHECK-LABEL: func.func @subgroupId
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// CHECK-SAME: (%[[SZ:.*]]: index, %[[MEM:.*]]: memref<index, 1>) {
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func.func @subgroupId(%sz : index, %mem: memref<index, 1>) {
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %sz, %grid_y = %sz, %grid_z = %sz)
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threads(%tx, %ty, %tz) in (%block_x = %sz, %block_y = %sz, %block_z = %sz) {
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// CHECK: %[[DIMX:.*]] = gpu.block_dim x
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// CHECK-NEXT: %[[DIMY:.*]] = gpu.block_dim y
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// CHECK-NEXT: %[[TIDX:.*]] = gpu.thread_id x
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// CHECK-NEXT: %[[TIDY:.*]] = gpu.thread_id y
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// CHECK-NEXT: %[[TIDZ:.*]] = gpu.thread_id z
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// CHECK-NEXT: %[[T0:.*]] = arith.muli %[[DIMY]], %[[TIDZ]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T1:.*]] = arith.addi %[[T0]], %[[TIDY]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T2:.*]] = arith.muli %[[DIMX]], %[[T1]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T3:.*]] = arith.addi %[[TIDX]], %[[T2]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T4:.*]] = gpu.subgroup_size : index
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// CHECK-NEXT: %[[T5:.*]] = arith.divui %[[T3]], %[[T4]] : index
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%idz = gpu.subgroup_id : index
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memref.store %idz, %mem[] : memref<index, 1>
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gpu.terminator
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}
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return
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}
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// CHECK-LABEL: func.func @subgroupIdConsts
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// CHECK-SAME: (%[[SZ:.*]]: index, %[[MEM:.*]]: memref<index, 1>) {
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func.func @subgroupIdConsts(%sz : index, %mem: memref<index, 1>) {
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%c32 = arith.constant 32 : index
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%c4 = arith.constant 4 : index
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%c2 = arith.constant 2 : index
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %sz, %grid_y = %sz, %grid_z = %sz)
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threads(%tx, %ty, %tz) in (%block_x = %c32, %block_y = %c4, %block_z = %c2) {
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// CHECK-DAG: %[[DIMX:.*]] = arith.constant 32 : index
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// CHECK-DAG: %[[DIMY:.*]] = arith.constant 4 : index
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// CHECK: %[[TIDX:.*]] = gpu.thread_id x upper_bound 32
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// CHECK-NEXT: %[[TIDY:.*]] = gpu.thread_id y upper_bound 4
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// CHECK-NEXT: %[[TIDZ:.*]] = gpu.thread_id z upper_bound 2
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// CHECK-NEXT: %[[T0:.*]] = arith.muli %[[TIDZ]], %[[DIMY]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T1:.*]] = arith.addi %[[T0]], %[[TIDY]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T2:.*]] = arith.muli %[[T1]], %[[DIMX]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T3:.*]] = arith.addi %[[TIDX]], %[[T2]] overflow<nsw, nuw> : index
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// CHECK-NEXT: %[[T4:.*]] = gpu.subgroup_size : index
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// CHECK-NEXT: %[[T5:.*]] = arith.divui %[[T3]], %[[T4]] : index
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%idz = gpu.subgroup_id : index
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memref.store %idz, %mem[] : memref<index, 1>
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gpu.terminator
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}
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return
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}
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