forked from OSchip/llvm-project
48 lines
2.0 KiB
MLIR
48 lines
2.0 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect -test-mapping-to-processing-elements %s | FileCheck %s
|
|
|
|
// CHECK-LABEL: @map1d
|
|
// CHECK: (%[[lb:.*]]: index, %[[ub:.*]]: index, %[[step:.*]]: index) {
|
|
func @map1d(%lb: index, %ub: index, %step: index) {
|
|
// CHECK: %[[threads:.*]]:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
%0:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
|
|
// CHECK: %[[thread_offset:.*]] = muli %[[step]], %[[threads]]#0
|
|
// CHECK: %[[new_lb:.*]] = addi %[[lb]], %[[thread_offset]]
|
|
// CHECK: %[[new_step:.*]] = muli %[[step]], %[[threads]]#1
|
|
// CHECK: scf.for %{{.*}} = %[[new_lb]] to %[[ub]] step %[[new_step]] {
|
|
scf.for %i = %lb to %ub step %step {}
|
|
return
|
|
}
|
|
|
|
// CHECK-LABEL: @map2d
|
|
// CHECK: (%[[lb:.*]]: index, %[[ub:.*]]: index, %[[step:.*]]: index) {
|
|
func @map2d(%lb : index, %ub : index, %step : index) {
|
|
// CHECK: %[[blocks:.*]]:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
%0:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
|
|
// CHECK: %[[threads:.*]]:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
%1:2 = "new_processor_id_and_range"() : () -> (index, index)
|
|
|
|
// blockIdx.x * blockDim.x
|
|
// CHECK: %[[bidxXbdimx:.*]] = muli %[[blocks]]#0, %[[threads]]#1 : index
|
|
//
|
|
// threadIdx.x + blockIdx.x * blockDim.x
|
|
// CHECK: %[[tidxpbidxXbdimx:.*]] = addi %[[bidxXbdimx]], %[[threads]]#0 : index
|
|
//
|
|
// thread_offset = step * (threadIdx.x + blockIdx.x * blockDim.x)
|
|
// CHECK: %[[thread_offset:.*]] = muli %[[step]], %[[tidxpbidxXbdimx]] : index
|
|
//
|
|
// new_lb = lb + thread_offset
|
|
// CHECK: %[[new_lb:.*]] = addi %[[lb]], %[[thread_offset]] : index
|
|
//
|
|
// stepXgdimx = step * gridDim.x
|
|
// CHECK: %[[stepXgdimx:.*]] = muli %[[step]], %[[blocks]]#1 : index
|
|
//
|
|
// new_step = step * gridDim.x * blockDim.x
|
|
// CHECK: %[[new_step:.*]] = muli %[[stepXgdimx]], %[[threads]]#1 : index
|
|
//
|
|
// CHECK: scf.for %{{.*}} = %[[new_lb]] to %[[ub]] step %[[new_step]] {
|
|
scf.for %i = %lb to %ub step %step {}
|
|
return
|
|
}
|