| // RUN: mlir-opt --test-gpu-rewrite -split-input-file %s | FileCheck %s |
| |
| module { |
| // CHECK-LABEL: func.func @globalId |
| // CHECK-SAME: (%[[SZ:.*]]: index, %[[MEM:.*]]: memref<index, 1>) { |
| func.func @globalId(%sz : index, %mem: memref<index, 1>) { |
| gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %sz, %grid_y = %sz, %grid_z = %sz) |
| threads(%tx, %ty, %tz) in (%block_x = %sz, %block_y = %sz, %block_z = %sz) { |
| // CHECK: %[[BIDY:.*]] = gpu.block_id x |
| // CHECK-NEXT: %[[BDIMY:.*]] = gpu.block_dim x |
| // CHECK-NEXT: %[[TMPY:.*]] = index.mul %[[BIDY]], %[[BDIMY]] |
| // CHECK-NEXT: %[[TIDX:.*]] = gpu.thread_id x |
| // CHECK-NEXT: %[[GIDX:.*]] = index.add %[[TIDX]], %[[TMPY]] |
| %idx = gpu.global_id x |
| // CHECK: memref.store %[[GIDX]], %[[MEM]][] : memref<index, 1> |
| memref.store %idx, %mem[] : memref<index, 1> |
| |
| // CHECK: %[[BIDY:.*]] = gpu.block_id y |
| // CHECK-NEXT: %[[BDIMY:.*]] = gpu.block_dim y |
| // CHECK-NEXT: %[[TMPY:.*]] = index.mul %[[BIDY]], %[[BDIMY]] |
| // CHECK-NEXT: %[[TIDY:.*]] = gpu.thread_id y |
| // CHECK-NEXT: %[[GIDY:.*]] = index.add %[[TIDY]], %[[TMPY]] |
| %idy = gpu.global_id y |
| // CHECK: memref.store %[[GIDY]], %[[MEM]][] : memref<index, 1> |
| memref.store %idy, %mem[] : memref<index, 1> |
| |
| // CHECK: %[[BIDZ:.*]] = gpu.block_id z |
| // CHECK-NEXT: %[[BDIMZ:.*]] = gpu.block_dim z |
| // CHECK-NEXT: %[[TMPZ:.*]] = index.mul %[[BIDZ]], %[[BDIMZ]] |
| // CHECK-NEXT: %[[TIDZ:.*]] = gpu.thread_id z |
| // CHECK-NEXT: %[[GIDZ:.*]] = index.add %[[TIDZ]], %[[TMPZ]] |
| %idz = gpu.global_id z |
| // CHECK: memref.store %[[GIDZ]], %[[MEM]][] : memref<index, 1> |
| memref.store %idz, %mem[] : memref<index, 1> |
| gpu.terminator |
| } |
| return |
| } |
| } |
