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[flang] Assume matching shapes in elemental assignment with non-realloc lhs. #118552
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flang/test/HLFIR/opt-bufferization-non-realloc-assignment.fir
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // RUN: fir-opt --opt-bufferization %s | FileCheck %s | ||
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| // Verify that the shape match is not required for optimizing | ||
| // elemental assignment, when lhs not an allocatable. | ||
| // The shapes of lhs and rhs must conform in a legal program. | ||
| // | ||
| // Example: | ||
| // subroutine test(a,b) | ||
| // integer :: a(:), b(:) | ||
| // a = b + 1 | ||
| // end subroutine test | ||
|
|
||
| func.func @_QPtest(%arg0: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "a"}, %arg1: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "b"}) { | ||
| %c0 = arith.constant 0 : index | ||
| %c1_i32 = arith.constant 1 : i32 | ||
| %0 = fir.dummy_scope : !fir.dscope | ||
| %1:2 = hlfir.declare %arg0 dummy_scope %0 {uniq_name = "_QFtestEa"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) | ||
| %2:2 = hlfir.declare %arg1 dummy_scope %0 {uniq_name = "_QFtestEb"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) | ||
| %3:3 = fir.box_dims %2#0, %c0 : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) | ||
| %4 = fir.shape %3#1 : (index) -> !fir.shape<1> | ||
| %5 = hlfir.elemental %4 unordered : (!fir.shape<1>) -> !hlfir.expr<?xi32> { | ||
| ^bb0(%arg2: index): | ||
| %6 = hlfir.designate %2#0 (%arg2) : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32> | ||
| %7 = fir.load %6 : !fir.ref<i32> | ||
| %8 = arith.addi %7, %c1_i32 : i32 | ||
| hlfir.yield_element %8 : i32 | ||
| } | ||
| hlfir.assign %5 to %1#0 : !hlfir.expr<?xi32>, !fir.box<!fir.array<?xi32>> | ||
| hlfir.destroy %5 : !hlfir.expr<?xi32> | ||
| return | ||
| } | ||
| // CHECK-LABEL: func.func @_QPtest( | ||
| // CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "a"}, | ||
| // CHECK-SAME: %[[VAL_1:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "b"}) { | ||
| // CHECK: %[[VAL_2:.*]] = arith.constant 1 : index | ||
| // CHECK: %[[VAL_3:.*]] = arith.constant 0 : index | ||
| // CHECK: %[[VAL_4:.*]] = arith.constant 1 : i32 | ||
| // CHECK: %[[VAL_5:.*]] = fir.dummy_scope : !fir.dscope | ||
| // CHECK: %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %[[VAL_5]] {uniq_name = "_QFtestEa"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) | ||
| // CHECK: %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_1]] dummy_scope %[[VAL_5]] {uniq_name = "_QFtestEb"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) | ||
| // CHECK: %[[VAL_8:.*]]:3 = fir.box_dims %[[VAL_7]]#0, %[[VAL_3]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) | ||
| // CHECK: fir.do_loop %[[VAL_9:.*]] = %[[VAL_2]] to %[[VAL_8]]#1 step %[[VAL_2]] unordered { | ||
| // CHECK: %[[VAL_10:.*]] = hlfir.designate %[[VAL_7]]#0 (%[[VAL_9]]) : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32> | ||
| // CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_10]] : !fir.ref<i32> | ||
| // CHECK: %[[VAL_12:.*]] = arith.addi %[[VAL_11]], %[[VAL_4]] : i32 | ||
| // CHECK: %[[VAL_13:.*]] = hlfir.designate %[[VAL_6]]#0 (%[[VAL_9]]) : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32> | ||
| // CHECK: hlfir.assign %[[VAL_12]] to %[[VAL_13]] : i32, !fir.ref<i32> | ||
| // CHECK: } | ||
| // CHECK: return | ||
| // CHECK: } |
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