llvm-project

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// RUN: fir-opt %s | fir-opt | FileCheck %s
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// RUN: fir-opt %s | fir-opt -cse | FileCheck %s
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// CHECK-LABEL:   func.func @dummy_scope(
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// CHECK-SAME:                           %[[VAL_0:.*]]: !fir.ref<f32>) {
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// CHECK:           %[[VAL_1:.*]] = fir.dummy_scope : !fir.dscope
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// CHECK:           %[[VAL_2:.*]] = fir.declare %[[VAL_0]] dummy_scope %[[VAL_1]] {uniq_name = "x"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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// CHECK:           return
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// CHECK:         }
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func.func @dummy_scope(%arg0: !fir.ref<f32>) {
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  %scope = fir.dummy_scope : !fir.dscope
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  %0 = fir.declare %arg0 dummy_scope %scope {uniq_name = "x"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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  return
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}
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// CHECK-LABEL:   func.func @dummy_scopes(
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// CHECK-SAME:                            %[[VAL_0:.*]]: !fir.ref<f32>) {
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// CHECK:           %[[VAL_1:.*]] = fir.dummy_scope : !fir.dscope
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// CHECK:           %[[VAL_2:.*]] = fir.declare %[[VAL_0]] dummy_scope %[[VAL_1]] {uniq_name = "x"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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// CHECK:           %[[VAL_3:.*]] = fir.dummy_scope : !fir.dscope
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// CHECK:           %[[VAL_4:.*]] = fir.declare %[[VAL_0]] dummy_scope %[[VAL_3]] {uniq_name = "innerEx"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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// CHECK:           %[[VAL_5:.*]] = fir.dummy_scope : !fir.dscope
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// CHECK:           %[[VAL_6:.*]] = fir.declare %[[VAL_0]] dummy_scope %[[VAL_5]] {uniq_name = "innerEx"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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// CHECK:           return
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// CHECK:         }
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func.func @dummy_scopes(%arg0: !fir.ref<f32>) {
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  %scope_out = fir.dummy_scope : !fir.dscope
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  %0 = fir.declare %arg0 dummy_scope %scope_out {uniq_name = "x"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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  %scope_in1 = fir.dummy_scope : !fir.dscope
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  %1 = fir.declare %arg0 dummy_scope %scope_in1 {uniq_name = "innerEx"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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  %scope_in2 = fir.dummy_scope : !fir.dscope
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  %2 = fir.declare %arg0 dummy_scope %scope_in2 {uniq_name = "innerEx"} : (!fir.ref<f32>, !fir.dscope) -> !fir.ref<f32>
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  return
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}
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