derek.holloway
7502bf64a4
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114 lines
7.3 KiB
Plaintext
114 lines
7.3 KiB
Plaintext
// RUN: fir-opt --cse -split-input-file %s | FileCheck %s
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// Check that the redundant fir.load is removed.
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func.func @fun(%arg0: !fir.ref<i64>) -> i64 {
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%0 = fir.load %arg0 : !fir.ref<i64>
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%1 = fir.load %arg0 : !fir.ref<i64>
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%2 = arith.addi %0, %1 : i64
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return %2 : i64
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}
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// CHECK-LABEL: func @fun
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// CHECK-NEXT: %[[LOAD:.*]] = fir.load %{{.*}} : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi %[[LOAD]], %[[LOAD]] : i64
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// -----
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// CHECK-LABEL: func @fun(
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// CHECK-SAME: %[[A:.*]]: !fir.ref<i64>
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func.func @fun(%a : !fir.ref<i64>) -> i64 {
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// CHECK: %[[LOAD:.*]] = fir.load %[[A]] : !fir.ref<i64>
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%1 = fir.load %a : !fir.ref<i64>
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%2 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi %[[LOAD]], %[[LOAD]] : i64
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%3 = arith.addi %1, %2 : i64
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%4 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi
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%5 = arith.addi %3, %4 : i64
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%6 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi
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%7 = arith.addi %5, %6 : i64
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%8 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi
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%9 = arith.addi %7, %8 : i64
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%10 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi
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%11 = arith.addi %10, %9 : i64
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%12 = fir.load %a : !fir.ref<i64>
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// CHECK-NEXT: %{{.*}} = arith.addi
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%13 = arith.addi %11, %12 : i64
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// CHECK-NEXT: return %{{.*}} : i64
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return %13 : i64
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}
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// -----
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func.func @fun(%a : !fir.ref<i64>) -> i64 {
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cf.br ^bb1
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^bb1:
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%1 = fir.load %a : !fir.ref<i64>
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%2 = fir.load %a : !fir.ref<i64>
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%3 = arith.addi %1, %2 : i64
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cf.br ^bb2
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^bb2:
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%4 = fir.load %a : !fir.ref<i64>
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%5 = arith.subi %4, %4 : i64
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return %5 : i64
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}
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// -----
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// Check that the redundant ops on volatile operands are PRESERVED.
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func.func @fun(%arg0: !fir.ref<i64, volatile>) -> i64 {
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%0 = fir.load %arg0 : !fir.ref<i64, volatile>
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%1 = fir.load %arg0 : !fir.ref<i64, volatile>
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%2 = arith.addi %0, %1 : i64
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fir.store %2 to %arg0 : !fir.ref<i64, volatile>
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fir.store %2 to %arg0 : !fir.ref<i64, volatile>
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return %2 : i64
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}
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// CHECK-LABEL: func.func @fun(%arg0: !fir.ref<i64, volatile>) -> i64 {
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// CHECK: %[[VAL_1:.*]] = fir.load %arg0 : !fir.ref<i64, volatile>
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// CHECK: %[[VAL_2:.*]] = fir.load %arg0 : !fir.ref<i64, volatile>
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// CHECK: %[[VAL_3:.*]] = arith.addi %[[VAL_1]], %[[VAL_2]] : i64
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// CHECK: fir.store %[[VAL_3]] to %arg0 : !fir.ref<i64, volatile>
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// CHECK: fir.store %[[VAL_3]] to %arg0 : !fir.ref<i64, volatile>
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// CHECK: return %[[VAL_3]] : i64
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// CHECK: }
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// -----
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// Check that volatile hlfir assignments are PRESERVED.
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func.func @_QPdot_product2(%arg0: !fir.box<!fir.array<?x!fir.logical<4>>> {fir.bindc_name = "lhs"}, %arg1: !fir.box<!fir.array<?x!fir.logical<4>>> {fir.bindc_name = "rhs"}, %arg2: !fir.ref<!fir.logical<4>> {fir.bindc_name = "res"}) {
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%0 = fir.dummy_scope : !fir.dscope
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%1 = fir.volatile_cast %arg0 : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<!fir.array<?x!fir.logical<4>>, volatile>
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%2:2 = hlfir.declare %1 dummy_scope %0 {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Elhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>)
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%3 = fir.volatile_cast %arg2 : (!fir.ref<!fir.logical<4>>) -> !fir.ref<!fir.logical<4>, volatile>
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%4:2 = hlfir.declare %3 dummy_scope %0 {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Eres"} : (!fir.ref<!fir.logical<4>, volatile>, !fir.dscope) -> (!fir.ref<!fir.logical<4>, volatile>, !fir.ref<!fir.logical<4>, volatile>)
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%5 = fir.volatile_cast %arg1 : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<!fir.array<?x!fir.logical<4>>, volatile>
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%6:2 = hlfir.declare %5 dummy_scope %0 {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Erhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>)
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%7 = hlfir.dot_product %2#0 %6#0 {fastmath = #arith.fastmath<contract>} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>) -> !fir.logical<4>
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hlfir.assign %7 to %4#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>, volatile>
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%8 = hlfir.dot_product %2#0 %6#0 {fastmath = #arith.fastmath<contract>} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>) -> !fir.logical<4>
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hlfir.assign %8 to %4#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>, volatile>
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return
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}
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// CHECK-LABEL: func.func @_QPdot_product2(
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// CHECK-SAME: %[[VAL_0:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !fir.box<!fir.array<?x!fir.logical<4>>> {fir.bindc_name = "lhs"},
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// CHECK-SAME: %[[VAL_1:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !fir.box<!fir.array<?x!fir.logical<4>>> {fir.bindc_name = "rhs"},
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// CHECK-SAME: %[[VAL_2:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "res"}) {
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// CHECK: %[[VAL_3:.*]] = fir.dummy_scope : !fir.dscope
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// CHECK: %[[VAL_4:.*]] = fir.volatile_cast %[[VAL_0]] : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<!fir.array<?x!fir.logical<4>>, volatile>
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// CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_4]] dummy_scope %[[VAL_3]] {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Elhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>)
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// CHECK: %[[VAL_6:.*]] = fir.volatile_cast %[[VAL_2]] : (!fir.ref<!fir.logical<4>>) -> !fir.ref<!fir.logical<4>, volatile>
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// CHECK: %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_6]] dummy_scope %[[VAL_3]] {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Eres"} : (!fir.ref<!fir.logical<4>, volatile>, !fir.dscope) -> (!fir.ref<!fir.logical<4>, volatile>, !fir.ref<!fir.logical<4>, volatile>)
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// CHECK: %[[VAL_8:.*]] = fir.volatile_cast %[[VAL_1]] : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<!fir.array<?x!fir.logical<4>>, volatile>
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// CHECK: %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_8]] dummy_scope %[[VAL_3]] {fortran_attrs = #fir.var_attrs<volatile>, uniq_name = "_QFdot_product2Erhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>)
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// CHECK: %[[VAL_10:.*]] = hlfir.dot_product %[[VAL_5]]#0 %[[VAL_9]]#0 {fastmath = #arith.fastmath<contract>} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>) -> !fir.logical<4>
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// CHECK: hlfir.assign %[[VAL_10]] to %[[VAL_7]]#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>, volatile>
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// CHECK: %[[VAL_11:.*]] = hlfir.dot_product %[[VAL_5]]#0 %[[VAL_9]]#0 {fastmath = #arith.fastmath<contract>} : (!fir.box<!fir.array<?x!fir.logical<4>>, volatile>, !fir.box<!fir.array<?x!fir.logical<4>>, volatile>) -> !fir.logical<4>
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// CHECK: hlfir.assign %[[VAL_11]] to %[[VAL_7]]#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>, volatile>
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// CHECK: return
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// CHECK: }
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