9f867a3c46
Add hlfir.forall_mask, hlfir.where, and hlfir.elsewhere operations that are operations that holds (optionally for hlfir.elsewhere) the evaluation of a logical mask that controls the evaluation of nested operations. They allow representing Fortran forall control mask, as well as where and eslewhere statements/constructs. They use the OrderedAssignmentTreeOpInterface since they can all be used inside Forall and their masks should be fully evaluated for all the index-value set induced by parent Forall before any of the nested operations in their body is evaluated. I initially tried making them into a single operation with some attributes to make a difference, but I felt this made the verifier/parser/printer and usages messier/tricky compared to making three distinct operations that represent the three Fortran feature in a vanilla way. Differential Revision: https://reviews.llvm.org/D149754
50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
// Test hlfir.forall_mask operation parse, verify (no errors), and unparse.
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// RUN: fir-opt %s | fir-opt | FileCheck %s
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func.func @forall_mask_test(%x: !fir.box<!fir.array<?xf32>>) {
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%c1 = arith.constant 1 : index
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%c10 = arith.constant 10 : index
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hlfir.forall lb {
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hlfir.yield %c1 : index
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} ub {
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hlfir.yield %c10 : index
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} (%i : index) {
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hlfir.forall_mask {
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%mask = fir.call @some_condition(%i) : (index) -> i1
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hlfir.yield %mask : i1
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} do {
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hlfir.region_assign {
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%res = fir.call @foo(%i) : (index) -> f32
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hlfir.yield %res : f32
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} to {
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%xi = hlfir.designate %x(%i) : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
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hlfir.yield %xi : !fir.ref<f32>
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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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// CHECK-LABEL: func.func @forall_mask_test(
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// CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>>) {
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// CHECK: %[[VAL_1:.*]] = arith.constant 1 : index
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// CHECK: %[[VAL_2:.*]] = arith.constant 10 : index
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// CHECK: hlfir.forall lb {
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// CHECK: hlfir.yield %[[VAL_1]] : index
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// CHECK: } ub {
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// CHECK: hlfir.yield %[[VAL_2]] : index
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// CHECK: } (%[[VAL_3:.*]]: index) {
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// CHECK: hlfir.forall_mask {
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// CHECK: %[[VAL_4:.*]] = fir.call @some_condition(%[[VAL_3]]) : (index) -> i1
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// CHECK: hlfir.yield %[[VAL_4]] : i1
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// CHECK: } do {
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// CHECK: hlfir.region_assign {
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// CHECK: %[[VAL_5:.*]] = fir.call @foo(%[[VAL_3]]) : (index) -> f32
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// CHECK: hlfir.yield %[[VAL_5]] : f32
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// CHECK: } to {
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// CHECK: %[[VAL_6:.*]] = hlfir.designate %[[VAL_0]] (%[[VAL_3]]) : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
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// CHECK: hlfir.yield %[[VAL_6]] : !fir.ref<f32>
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// CHECK: }
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// CHECK: }
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// CHECK: }
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