derek.holloway
7502bf64a4
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142 lines
9.6 KiB
Plaintext
142 lines
9.6 KiB
Plaintext
// RUN: fir-opt --pass-pipeline="builtin.module(func.func(opt-bufferization))" %s | FileCheck %s
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// Ensure optimized bufferization preserves the semantics of volatile arrays
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func.func @minimal_volatile_test() {
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%c1 = arith.constant 1 : index
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%c200 = arith.constant 200 : index
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// Create a volatile array
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%1 = fir.address_of(@_QMtestEarray) : !fir.ref<!fir.array<200xf32>>
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%2 = fir.shape %c200 : (index) -> !fir.shape<1>
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%3 = fir.volatile_cast %1 : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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%4:2 = hlfir.declare %3(%2) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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// Create an elemental operation that negates each element
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%5 = hlfir.elemental %2 unordered : (!fir.shape<1>) -> !hlfir.expr<200xf32> {
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^bb0(%arg1: index):
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%6 = hlfir.designate %4#0 (%arg1) : (!fir.ref<!fir.array<200xf32>, volatile>, index) -> !fir.ref<f32, volatile>
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%7 = fir.load %6 : !fir.ref<f32, volatile>
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%8 = arith.negf %7 : f32
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hlfir.yield_element %8 : f32
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}
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// Assign the result back to the volatile array
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hlfir.assign %5 to %4#0 : !hlfir.expr<200xf32>, !fir.ref<!fir.array<200xf32>, volatile>
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hlfir.destroy %5 : !hlfir.expr<200xf32>
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return
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}
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fir.global @_QMtestEarray : !fir.array<200xf32>
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// CHECK-LABEL: func.func @minimal_volatile_test() {
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// CHECK: %[[VAL_0:.*]] = arith.constant 200 : index
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// CHECK: %[[VAL_1:.*]] = fir.address_of(@_QMtestEarray) : !fir.ref<!fir.array<200xf32>>
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// CHECK: %[[VAL_2:.*]] = fir.shape %[[VAL_0]] : (index) -> !fir.shape<1>
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// CHECK: %[[VAL_3:.*]] = fir.volatile_cast %[[VAL_1]] : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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// CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]](%[[VAL_2]]) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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// CHECK: %[[VAL_5:.*]] = hlfir.elemental %[[VAL_2]] unordered : (!fir.shape<1>) -> !hlfir.expr<200xf32> {
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// CHECK: ^bb0(%[[VAL_6:.*]]: index):
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// CHECK: %[[VAL_7:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_6]]) : (!fir.ref<!fir.array<200xf32>, volatile>, index) -> !fir.ref<f32, volatile>
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// CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_7]] : !fir.ref<f32, volatile>
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// CHECK: %[[VAL_9:.*]] = arith.negf %[[VAL_8]] : f32
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// CHECK: hlfir.yield_element %[[VAL_9]] : f32
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// CHECK: }
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// CHECK: hlfir.assign %[[VAL_5]] to %[[VAL_4]]#0 : !hlfir.expr<200xf32>, !fir.ref<!fir.array<200xf32>, volatile>
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// CHECK: hlfir.destroy %[[VAL_5]] : !hlfir.expr<200xf32>
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// CHECK: return
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// CHECK: }
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// CHECK: fir.global @_QMtestEarray : !fir.array<200xf32>
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fir.global @_QMtestEarray_src : !fir.array<200xf32>
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fir.global @_QMtestEarray_dst : !fir.array<200xf32>
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// Check that 'dst = -volatile_src' is optimized.
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func.func @volatile_src_nonvolatile_dst() {
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%c1 = arith.constant 1 : index
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%c200 = arith.constant 200 : index
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%1 = fir.address_of(@_QMtestEarray_src) : !fir.ref<!fir.array<200xf32>>
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%dst = fir.address_of(@_QMtestEarray_dst) : !fir.ref<!fir.array<200xf32>>
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%2 = fir.shape %c200 : (index) -> !fir.shape<1>
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%3 = fir.volatile_cast %1 : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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%4:2 = hlfir.declare %3(%2) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray_src"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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%dstDecl:2 = hlfir.declare %dst(%2) {uniq_name = "_QMtestEarray_dst"} : (!fir.ref<!fir.array<200xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>>, !fir.ref<!fir.array<200xf32>>)
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%5 = hlfir.elemental %2 unordered : (!fir.shape<1>) -> !hlfir.expr<200xf32> {
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^bb0(%arg1: index):
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%6 = hlfir.designate %4#0 (%arg1) : (!fir.ref<!fir.array<200xf32>, volatile>, index) -> !fir.ref<f32, volatile>
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%7 = fir.load %6 : !fir.ref<f32, volatile>
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%8 = arith.negf %7 : f32
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hlfir.yield_element %8 : f32
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}
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hlfir.assign %5 to %dstDecl#0 : !hlfir.expr<200xf32>, !fir.ref<!fir.array<200xf32>>
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hlfir.destroy %5 : !hlfir.expr<200xf32>
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return
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}
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// CHECK-LABEL: func.func @volatile_src_nonvolatile_dst() {
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// CHECK: %[[CONSTANT_0:.*]] = arith.constant 1 : index
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// CHECK: %[[CONSTANT_1:.*]] = arith.constant 200 : index
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// CHECK: %[[ADDRESS_OF_0:.*]] = fir.address_of(@_QMtestEarray_src) : !fir.ref<!fir.array<200xf32>>
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// CHECK: %[[ADDRESS_OF_1:.*]] = fir.address_of(@_QMtestEarray_dst) : !fir.ref<!fir.array<200xf32>>
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// CHECK: %[[SHAPE_0:.*]] = fir.shape %[[CONSTANT_1]] : (index) -> !fir.shape<1>
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// CHECK: %[[VOLATILE_CAST_0:.*]] = fir.volatile_cast %[[ADDRESS_OF_0]] : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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// CHECK: %[[DECLARE_0:.*]]:2 = hlfir.declare %[[VOLATILE_CAST_0]](%[[SHAPE_0]]) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray_src"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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// CHECK: %[[DECLARE_1:.*]]:2 = hlfir.declare %[[ADDRESS_OF_1]](%[[SHAPE_0]]) {uniq_name = "_QMtestEarray_dst"} : (!fir.ref<!fir.array<200xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>>, !fir.ref<!fir.array<200xf32>>)
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// CHECK: fir.do_loop %[[VAL_0:.*]] = %[[CONSTANT_0]] to %[[CONSTANT_1]] step %[[CONSTANT_0]] unordered {
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// CHECK: %[[DESIGNATE_0:.*]] = hlfir.designate %[[DECLARE_0]]#0 (%[[VAL_0]]) : (!fir.ref<!fir.array<200xf32>, volatile>, index) -> !fir.ref<f32, volatile>
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// CHECK: %[[LOAD_0:.*]] = fir.load %[[DESIGNATE_0]] : !fir.ref<f32, volatile>
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// CHECK: %[[NEGF_0:.*]] = arith.negf %[[LOAD_0]] : f32
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// CHECK: %[[DESIGNATE_1:.*]] = hlfir.designate %[[DECLARE_1]]#0 (%[[VAL_0]]) : (!fir.ref<!fir.array<200xf32>>, index) -> !fir.ref<f32>
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// CHECK: hlfir.assign %[[NEGF_0]] to %[[DESIGNATE_1]] : f32, !fir.ref<f32>
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// CHECK: }
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// CHECK: return
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// CHECK: }
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// Check that 'volatile_dst = -src' is optimized.
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func.func @nonvolatile_src_volatile_dst() {
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%c1 = arith.constant 1 : index
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%c200 = arith.constant 200 : index
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%1 = fir.address_of(@_QMtestEarray_dst) : !fir.ref<!fir.array<200xf32>>
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%dst = fir.address_of(@_QMtestEarray_src) : !fir.ref<!fir.array<200xf32>>
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%2 = fir.shape %c200 : (index) -> !fir.shape<1>
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%3 = fir.volatile_cast %1 : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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%4:2 = hlfir.declare %3(%2) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray_dst"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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%srcDecl:2 = hlfir.declare %dst(%2) {uniq_name = "_QMtestEarray_src"} : (!fir.ref<!fir.array<200xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>>, !fir.ref<!fir.array<200xf32>>)
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%5 = hlfir.elemental %2 unordered : (!fir.shape<1>) -> !hlfir.expr<200xf32> {
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^bb0(%arg1: index):
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%6 = hlfir.designate %srcDecl#0 (%arg1) : (!fir.ref<!fir.array<200xf32>>, index) -> !fir.ref<f32>
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%7 = fir.load %6 : !fir.ref<f32>
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%8 = arith.negf %7 : f32
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hlfir.yield_element %8 : f32
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}
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hlfir.assign %5 to %4#0 : !hlfir.expr<200xf32>, !fir.ref<!fir.array<200xf32>, volatile>
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hlfir.destroy %5 : !hlfir.expr<200xf32>
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return
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}
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// CHECK-LABEL: func.func @nonvolatile_src_volatile_dst() {
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// CHECK: %[[CONSTANT_0:.*]] = arith.constant 1 : index
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// CHECK: %[[CONSTANT_1:.*]] = arith.constant 200 : index
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// CHECK: %[[ADDRESS_OF_0:.*]] = fir.address_of(@_QMtestEarray_dst) : !fir.ref<!fir.array<200xf32>>
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// CHECK: %[[ADDRESS_OF_1:.*]] = fir.address_of(@_QMtestEarray_src) : !fir.ref<!fir.array<200xf32>>
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// CHECK: %[[SHAPE_0:.*]] = fir.shape %[[CONSTANT_1]] : (index) -> !fir.shape<1>
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// CHECK: %[[VOLATILE_CAST_0:.*]] = fir.volatile_cast %[[ADDRESS_OF_0]] : (!fir.ref<!fir.array<200xf32>>) -> !fir.ref<!fir.array<200xf32>, volatile>
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// CHECK: %[[DECLARE_0:.*]]:2 = hlfir.declare %[[VOLATILE_CAST_0]](%[[SHAPE_0]]) {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QMtestEarray_dst"} : (!fir.ref<!fir.array<200xf32>, volatile>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>, volatile>, !fir.ref<!fir.array<200xf32>, volatile>)
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// CHECK: %[[DECLARE_1:.*]]:2 = hlfir.declare %[[ADDRESS_OF_1]](%[[SHAPE_0]]) {uniq_name = "_QMtestEarray_src"} : (!fir.ref<!fir.array<200xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<200xf32>>, !fir.ref<!fir.array<200xf32>>)
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// CHECK: fir.do_loop %[[VAL_0:.*]] = %[[CONSTANT_0]] to %[[CONSTANT_1]] step %[[CONSTANT_0]] unordered {
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// CHECK: %[[DESIGNATE_0:.*]] = hlfir.designate %[[DECLARE_1]]#0 (%[[VAL_0]]) : (!fir.ref<!fir.array<200xf32>>, index) -> !fir.ref<f32>
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// CHECK: %[[LOAD_0:.*]] = fir.load %[[DESIGNATE_0]] : !fir.ref<f32>
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// CHECK: %[[NEGF_0:.*]] = arith.negf %[[LOAD_0]] : f32
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// CHECK: %[[DESIGNATE_1:.*]] = hlfir.designate %[[DECLARE_0]]#0 (%[[VAL_0]]) : (!fir.ref<!fir.array<200xf32>, volatile>, index) -> !fir.ref<f32, volatile>
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// CHECK: hlfir.assign %[[NEGF_0]] to %[[DESIGNATE_1]] : f32, !fir.ref<f32, volatile>
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// CHECK: }
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// CHECK: return
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// CHECK: }
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