1// RUN: mlir-opt %s --gpu-to-llvm="use-bare-pointers-for-kernels=1" -split-input-file | FileCheck %s 2 3module attributes {gpu.container_module} { 4 gpu.module @kernels [#nvvm.target] { 5 llvm.func @kernel_1(%arg0: f32, %arg1: !llvm.ptr<1>) attributes {gpu.kernel, nvvm.kernel} { 6 %0 = llvm.mlir.undef : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 7 %1 = llvm.insertvalue %arg1, %0[0] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 8 %2 = llvm.insertvalue %arg1, %1[1] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 9 %3 = llvm.mlir.constant(0 : index) : i64 10 %4 = llvm.insertvalue %3, %2[2] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 11 %5 = llvm.mlir.constant(10 : index) : i64 12 %6 = llvm.insertvalue %5, %4[3, 0] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 13 %7 = llvm.mlir.constant(1 : index) : i64 14 %8 = llvm.insertvalue %7, %6[4, 0] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 15 llvm.return 16 } 17 } 18 func.func @foo() { 19 // CHECK: [[MEMREF:%.*]] = gpu.alloc () : memref<10xf32, 1> 20 // CHECK: [[DESCRIPTOR:%.*]] = builtin.unrealized_conversion_cast [[MEMREF]] : memref<10xf32, 1> to !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 21 // CHECK: [[PTR:%.*]] = llvm.extractvalue [[DESCRIPTOR]][1] : !llvm.struct<(ptr<1>, ptr<1>, i64, array<1 x i64>, array<1 x i64>)> 22 // CHECK: gpu.launch_func @kernels::@kernel_1 blocks in ({{.*}}) threads in ({{.*}}) : i64 23 // CHECK: args(%{{.*}} : f32, [[PTR]] : !llvm.ptr<1>) 24 %0 = arith.constant 0. : f32 25 %1 = gpu.alloc () : memref<10xf32, 1> 26 %c8 = arith.constant 8 : index 27 gpu.launch_func @kernels::@kernel_1 blocks in (%c8, %c8, %c8) threads in (%c8, %c8, %c8) args(%0 : f32, %1 : memref<10xf32, 1>) 28 return 29 } 30} 31