forked from OSchip/llvm-project
90 lines
3.8 KiB
MLIR
90 lines
3.8 KiB
MLIR
// RUN: mlir-opt %s | FileCheck %s
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// CHECK-LABEL:func @no_args(%arg0: index)
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func @no_args(%sz : index) {
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// CHECK: gpu.launch blocks(%i0, %i1, %i2) in (%i6 = %arg0, %i7 = %arg0, %i8 = %arg0) threads(%i3, %i4, %i5) in (%i9 = %arg0, %i10 = %arg0, %i11 = %arg0)
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %sz, %grid_y = %sz, %grid_z = %sz)
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threads(%tx, %ty, %tz) in (%block_x = %sz, %block_y = %sz, %block_z = %sz) {
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return
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}
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return
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}
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// CHECK-LABEL:func @args(%arg0: index, %arg1: index, %arg2: f32, %arg3: memref<?xf32, 1>) {
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func @args(%blk : index, %thrd : index, %float : f32, %data : memref<?xf32,1>) {
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// CHECK: gpu.launch blocks(%i0, %i1, %i2) in (%i6 = %arg0, %i7 = %arg0, %i8 = %arg0) threads(%i3, %i4, %i5) in (%i9 = %arg1, %i10 = %arg1, %i11 = %arg1) args(%i12 = %arg2, %i13 = %arg3) : f32, memref<?xf32, 1>
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %blk, %grid_y = %blk, %grid_z = %blk)
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threads(%tx, %ty, %tz) in (%block_x = %thrd, %block_y = %thrd, %block_z = %thrd)
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args(%kernel_arg0 = %float, %kernel_arg1 = %data) : f32, memref<?xf32, 1> {
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return
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}
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return
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}
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// It is possible to use values passed into the region as arguments.
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// CHECK-LABEL: func @passing_values
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func @passing_values(%blk : index, %thrd : index, %float : f32, %data : memref<?xf32,1>) {
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// CHECK: gpu.launch blocks(%i0, %i1, %i2) in (%i6 = %arg0, %i7 = %arg0, %i8 = %arg0) threads(%i3, %i4, %i5) in (%i9 = %arg1, %i10 = %arg1, %i11 = %arg1) args(%i12 = %arg2, %i13 = %arg3) : f32, memref<?xf32, 1>
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %blk, %grid_y = %blk, %grid_z = %blk)
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threads(%tx, %ty, %tz) in (%block_x = %thrd, %block_y = %thrd, %block_z = %thrd)
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args(%kernel_arg0 = %float, %kernel_arg1 = %data) : f32, memref<?xf32, 1> {
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// CHECK: "use"(%i12)
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"use"(%kernel_arg0): (f32) -> ()
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return
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}
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return
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}
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// It is possible to use values defined in nested regions as long as they don't
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// cross kernel launch region boundaries.
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// CHECK-LABEL: func @nested_isolation
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func @nested_isolation(%sz : index) {
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gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %sz, %grid_y = %sz, %grid_z = %sz)
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threads(%tx, %ty, %tz) in (%block_x = %sz, %block_y = %sz, %block_z = %sz) {
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"region"() ({
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// CHECK: %0 = "produce"()
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%val = "produce"() : () -> (index)
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"region"() ({
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// CHECK: "use"(%0)
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"use"(%val) : (index) -> ()
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}) : () -> ()
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}) : () -> ()
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}
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return
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}
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func @kernel_1(%arg0 : f32, %arg1 : memref<?xf32, 1>)
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attributes { gpu.kernel } {
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%tIdX = "gpu.thread_id"() {dimension: "x"} : () -> (index)
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%tIdY = "gpu.thread_id"() {dimension: "y"} : () -> (index)
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%tIdZ = "gpu.thread_id"() {dimension: "z"} : () -> (index)
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%bDimX = "gpu.block_dim"() {dimension: "x"} : () -> (index)
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%bDimY = "gpu.block_dim"() {dimension: "y"} : () -> (index)
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%bDimZ = "gpu.block_dim"() {dimension: "z"} : () -> (index)
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%bIdX = "gpu.block_id"() {dimension: "x"} : () -> (index)
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%bIdY = "gpu.block_id"() {dimension: "y"} : () -> (index)
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%bIdZ = "gpu.block_id"() {dimension: "z"} : () -> (index)
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%gDimX = "gpu.grid_dim"() {dimension: "x"} : () -> (index)
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%gDimY = "gpu.grid_dim"() {dimension: "y"} : () -> (index)
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%gDimZ = "gpu.grid_dim"() {dimension: "z"} : () -> (index)
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"some_op"(%bIdX, %tIdX) : (index, index) -> ()
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%42 = load %arg1[%bIdX] : memref<?xf32, 1>
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return
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}
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func @foo() {
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%0 = "op"() : () -> (f32)
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%1 = "op"() : () -> (memref<?xf32, 1>)
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// CHECK: %c8 = constant 8
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%cst = constant 8 : index
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// CHECK: "gpu.launch_func"(%c8, %c8, %c8, %c8, %c8, %c8, %0, %1) {kernel: @kernel_1} : (index, index, index, index, index, index, f32, memref<?xf32, 1>) -> ()
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"gpu.launch_func"(%cst, %cst, %cst, %cst, %cst, %cst, %0, %1) { kernel: @kernel_1 }
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: (index, index, index, index, index, index, f32, memref<?xf32, 1>) -> ()
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return
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}
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