derek.holloway
7502bf64a4
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163 lines
6.3 KiB
MLIR
163 lines
6.3 KiB
MLIR
// RUN: fir-opt --bufferize-hlfir %s | FileCheck %s
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// Checks that we correctly identify when to use the lowering to
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// omp.workshare.loop_wrapper
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// CHECK-LABEL: @should_parallelize_0
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// CHECK: omp.workshare.loop_wrapper
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func.func @should_parallelize_0(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_parallelize_1
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// CHECK: omp.workshare.loop_wrapper
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func.func @should_parallelize_1(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.parallel {
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omp.workshare {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_not_parallelize_0
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// CHECK-NOT: omp.workshare.loop_wrapper
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func.func @should_not_parallelize_0(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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omp.single {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_not_parallelize_1
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// CHECK-NOT: omp.workshare.loop_wrapper
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func.func @should_not_parallelize_1(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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omp.critical {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_not_parallelize_2
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// CHECK-NOT: omp.workshare.loop_wrapper
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func.func @should_not_parallelize_2(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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omp.parallel {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_not_parallelize_3
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// CHECK-NOT: omp.workshare.loop_wrapper
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func.func @should_not_parallelize_3(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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omp.parallel {
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omp.workshare {
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omp.parallel {
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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omp.terminator
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}
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omp.terminator
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}
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omp.terminator
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}
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omp.terminator
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}
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return
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}
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// CHECK-LABEL: @should_not_parallelize_4
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// CHECK-NOT: omp.workshare.loop_wrapper
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func.func @should_not_parallelize_4(%arg: !fir.ref<!fir.array<42xi32>>, %idx : index) {
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omp.workshare {
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^bb1:
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%c42 = arith.constant 42 : index
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%c1_i32 = arith.constant 1 : i32
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%shape = fir.shape %c42 : (index) -> !fir.shape<1>
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%array:2 = hlfir.declare %arg(%shape) {uniq_name = "array"} : (!fir.ref<!fir.array<42xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<42xi32>>, !fir.ref<!fir.array<42xi32>>)
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%elemental = hlfir.elemental %shape unordered : (!fir.shape<1>) -> !hlfir.expr<42xi32> {
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^bb0(%i: index):
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hlfir.yield_element %c1_i32 : i32
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}
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hlfir.assign %elemental to %array#0 : !hlfir.expr<42xi32>, !fir.ref<!fir.array<42xi32>>
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hlfir.destroy %elemental : !hlfir.expr<42xi32>
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cf.br ^bb2
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^bb2:
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omp.terminator
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}
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return
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}
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