forked from OSchip/llvm-project
35 lines
1.5 KiB
MLIR
35 lines
1.5 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect %s -pass-pipeline='func(parallel-loop-collapsing{collapsed-indices-0=0,1}, canonicalize)' | FileCheck %s
|
|
|
|
func @collapse_to_single() {
|
|
%c0 = constant 3 : index
|
|
%c1 = constant 7 : index
|
|
%c2 = constant 11 : index
|
|
%c3 = constant 29 : index
|
|
%c4 = constant 3 : index
|
|
%c5 = constant 4 : index
|
|
scf.parallel (%i0, %i1) = (%c0, %c1) to (%c2, %c3) step (%c4, %c5) {
|
|
%result = "magic.op"(%i0, %i1): (index, index) -> index
|
|
}
|
|
return
|
|
}
|
|
|
|
// CHECK-LABEL: func @collapse_to_single() {
|
|
// CHECK-DAG: [[C18:%.*]] = constant 18 : index
|
|
// CHECK-DAG: [[C6:%.*]] = constant 6 : index
|
|
// CHECK-DAG: [[C3:%.*]] = constant 3 : index
|
|
// CHECK-DAG: [[C7:%.*]] = constant 7 : index
|
|
// CHECK-DAG: [[C4:%.*]] = constant 4 : index
|
|
// CHECK-DAG: [[C1:%.*]] = constant 1 : index
|
|
// CHECK-DAG: [[C0:%.*]] = constant 0 : index
|
|
// CHECK: scf.parallel ([[NEW_I:%.*]]) = ([[C0]]) to ([[C18]]) step ([[C1]]) {
|
|
// CHECK: [[I0_COUNT:%.*]] = remi_signed [[NEW_I]], [[C6]] : index
|
|
// CHECK: [[I1_COUNT:%.*]] = divi_signed [[NEW_I]], [[C6]] : index
|
|
// CHECK: [[V0:%.*]] = muli [[I0_COUNT]], [[C4]] : index
|
|
// CHECK: [[I1:%.*]] = addi [[V0]], [[C7]] : index
|
|
// CHECK: [[V1:%.*]] = muli [[I1_COUNT]], [[C3]] : index
|
|
// CHECK: [[I0:%.*]] = addi [[V1]], [[C3]] : index
|
|
// CHECK: "magic.op"([[I0]], [[I1]]) : (index, index) -> index
|
|
// CHECK: scf.yield
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: return
|