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// RUN: mlir-opt %s \
// RUN: | mlir-opt -gpu-kernel-outlining \
// RUN: | mlir-opt -pass-pipeline='builtin.module(gpu.module(strip-debuginfo,convert-gpu-to-nvvm,gpu-to-cubin))' \
// RUN: | mlir-opt -gpu-to-llvm \
// RUN: | mlir-cpu-runner \
// RUN: --shared-libs=%mlir_cuda_runtime \
// RUN: --shared-libs=%mlir_runner_utils \
// RUN: --entry-point-result=void \
// RUN: | FileCheck %s
func.func @main() {
%data = memref.alloc() : memref<2x6xi32>
%sum = memref.alloc() : memref<2xi32>
%cst0 = arith.constant 0 : i32
%cst1 = arith.constant 1 : i32
%cst2 = arith.constant 2 : i32
%cst4 = arith.constant 4 : i32
%cst8 = arith.constant 8 : i32
%cst16 = arith.constant 16 : i32
%cst3 = arith.constant 3 : i32
%cst6 = arith.constant 6 : i32
%cst7 = arith.constant 7 : i32
%cst10 = arith.constant 10 : i32
%cst11 = arith.constant 11 : i32
%c0 = arith.constant 0 : index
%c1 = arith.constant 1 : index
%c2 = arith.constant 2 : index
%c3 = arith.constant 3 : index
%c4 = arith.constant 4 : index
%c5 = arith.constant 5 : index
%c6 = arith.constant 6 : index
%cast_data = memref.cast %data : memref<2x6xi32> to memref<*xi32>
gpu.host_register %cast_data : memref<*xi32>
%cast_sum = memref.cast %sum : memref<2xi32> to memref<*xi32>
gpu.host_register %cast_sum : memref<*xi32>
memref.store %cst0, %data[%c0, %c0] : memref<2x6xi32>
memref.store %cst1, %data[%c0, %c1] : memref<2x6xi32>
memref.store %cst2, %data[%c0, %c2] : memref<2x6xi32>
memref.store %cst4, %data[%c0, %c3] : memref<2x6xi32>
memref.store %cst8, %data[%c0, %c4] : memref<2x6xi32>
memref.store %cst16, %data[%c0, %c5] : memref<2x6xi32>
memref.store %cst2, %data[%c1, %c0] : memref<2x6xi32>
memref.store %cst3, %data[%c1, %c1] : memref<2x6xi32>
memref.store %cst6, %data[%c1, %c2] : memref<2x6xi32>
memref.store %cst7, %data[%c1, %c3] : memref<2x6xi32>
memref.store %cst10, %data[%c1, %c4] : memref<2x6xi32>
memref.store %cst11, %data[%c1, %c5] : memref<2x6xi32>
// OR
gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %c2, %grid_y = %c1, %grid_z = %c1)
threads(%tx, %ty, %tz) in (%block_x = %c6, %block_y = %c1, %block_z = %c1) {
%val = memref.load %data[%bx, %tx] : memref<2x6xi32>
%reduced = gpu.all_reduce or %val uniform {} : (i32) -> (i32)
memref.store %reduced, %sum[%bx] : memref<2xi32>
gpu.terminator
}
call @printMemrefI32(%cast_sum) : (memref<*xi32>) -> ()
// CHECK: [31, 15]
return
}
func.func private @printMemrefI32(memref<*xi32>)
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