llvm-project/mlir/test/Conversion/GPUCommon/lower-launch-func-to-gpu-ru...

56 lines
2.1 KiB
MLIR

// RUN: mlir-opt %s --gpu-to-llvm="gpu-binary-annotation=nvvm.cubin" | FileCheck %s
// RUN: mlir-opt %s --gpu-to-llvm="gpu-binary-annotation=rocdl.hsaco" | FileCheck %s --check-prefix=ROCDL
module attributes {gpu.container_module} {
// CHECK: llvm.mlir.global internal constant @[[KERNEL_NAME:.*]]("kernel\00")
// CHECK: llvm.mlir.global internal constant @[[GLOBAL:.*]]("CUBIN")
// ROCDL: llvm.mlir.global internal constant @[[GLOBAL:.*]]("HSACO")
gpu.module @kernel_module attributes {
nvvm.cubin = "CUBIN", rocdl.hsaco = "HSACO"
} {
llvm.func @kernel(%arg0: i32, %arg1: !llvm.ptr<f32>,
%arg2: !llvm.ptr<f32>, %arg3: i64, %arg4: i64,
%arg5: i64) attributes {gpu.kernel} {
llvm.return
}
}
func @foo(%buffer: memref<?xf32>) {
%c8 = constant 8 : index
%c32 = constant 32 : i32
%c256 = constant 256 : i32
gpu.launch_func @kernel_module::@kernel
blocks in (%c8, %c8, %c8)
threads in (%c8, %c8, %c8)
dynamic_shared_memory_size %c256
args(%c32 : i32, %buffer : memref<?xf32>)
return
}
// CHECK-DAG: [[C256:%.*]] = llvm.mlir.constant(256 : i32) : i32
// CHECK-DAG: [[C8:%.*]] = llvm.mlir.constant(8 : index) : i64
// CHECK: [[ADDRESSOF:%.*]] = llvm.mlir.addressof @[[GLOBAL]]
// CHECK: [[C0:%.*]] = llvm.mlir.constant(0 : index)
// CHECK: [[BINARY:%.*]] = llvm.getelementptr [[ADDRESSOF]]{{\[}}[[C0]], [[C0]]]
// CHECK-SAME: -> !llvm.ptr<i8>
// CHECK: [[MODULE:%.*]] = llvm.call @mgpuModuleLoad([[BINARY]])
// CHECK: [[FUNC:%.*]] = llvm.call @mgpuModuleGetFunction([[MODULE]], {{.*}})
// CHECK: [[STREAM:%.*]] = llvm.call @mgpuStreamCreate
// CHECK: [[NUM_PARAMS:%.*]] = llvm.mlir.constant(6 : i32) : i32
// CHECK-NEXT: [[PARAMS:%.*]] = llvm.alloca [[NUM_PARAMS]] x !llvm.ptr<i8>
// CHECK: [[EXTRA_PARAMS:%.*]] = llvm.mlir.null : !llvm.ptr<ptr<i8>>
// CHECK: llvm.call @mgpuLaunchKernel([[FUNC]], [[C8]], [[C8]], [[C8]],
// CHECK-SAME: [[C8]], [[C8]], [[C8]], [[C256]], [[STREAM]],
// CHECK-SAME: [[PARAMS]], [[EXTRA_PARAMS]])
// CHECK: llvm.call @mgpuStreamSynchronize
// CHECK: llvm.call @mgpuStreamDestroy
// CHECK: llvm.call @mgpuModuleUnload
}