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TheRock/compiler/amd-llvm/mlir/test/Dialect/GPU/globalId-rewrite.mlir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.8 KiB
MLIR

// 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:.*]] = arith.muli %[[BIDY]], %[[BDIMY]]
// CHECK-NEXT: %[[TIDX:.*]] = gpu.thread_id x
// CHECK-NEXT: %[[GIDX:.*]] = arith.addi %[[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:.*]] = arith.muli %[[BIDY]], %[[BDIMY]]
// CHECK-NEXT: %[[TIDY:.*]] = gpu.thread_id y
// CHECK-NEXT: %[[GIDY:.*]] = arith.addi %[[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:.*]] = arith.muli %[[BIDZ]], %[[BDIMZ]]
// CHECK-NEXT: %[[TIDZ:.*]] = gpu.thread_id z
// CHECK-NEXT: %[[GIDZ:.*]] = arith.addi %[[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
}
}