44261dae5b
Currently, the helpers to get fir::ExtendedValue out of hlfir::Entity use hlfir.declare second result (`#1`) in most cases. This is because this result is the same as the input and matches what FIR was getting before lowering to HLFIR. But this creates odd situations when both hlfir.declare are raw pointers and either result ends-up being used in the IR depending on whether the code was generated by a helper using fir::ExtendedValue, or via "pure HLFIR" helpers using the first result. This will typically prevent simple CSE and easy identification that two operation (e.g load/store) are touching the exact same memory location without using alias analysis or "manual detection" (looking for common hlfir.declare defining op). Hence, when hlfir.declare results are both raw pointers, use `#0` when producing `fir::ExtendedValue`. When `#0` is a fir.box, keep using `#1` because these are not the same. The only code change is in HLFIRTools.cpp and is pretty small, but there is a big test fallout of `#1` to `#0`.
162 lines
6.1 KiB
Fortran
162 lines
6.1 KiB
Fortran
! This test checks lowering of stop statement in OpenMP region.
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! RUN: %flang_fc1 -flang-experimental-hlfir -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! RUN: bbc -hlfir -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! CHECK-LABEL: func.func @_QPtest_stop_in_region1() {
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! CHECK: omp.parallel {
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! CHECK: %[[VAL_0:.*]] = arith.constant 1 : i32
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! CHECK: %[[VAL_1:.*]] = arith.constant false
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! CHECK: %[[VAL_2:.*]] = arith.constant false
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! CHECK: fir.call @_FortranAStopStatement(%[[VAL_0]], %[[VAL_1]], %[[VAL_2]]) {{.*}} : (i32, i1, i1) -> ()
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! CHECK-NOT: fir.unreachable
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! CHECK: omp.terminator
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! CHECK: }
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! CHECK: return
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! CHECK: }
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subroutine test_stop_in_region1()
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!$omp parallel
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stop 1
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!$omp end parallel
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end
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! CHECK-LABEL: func.func @_QPtest_stop_in_region2() {
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! CHECK: %{{.*}} = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFtest_stop_in_region2Ex"}
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! CHECK: omp.parallel {
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! CHECK: %[[VAL_1:.*]] = arith.constant 1 : i32
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! CHECK: %[[VAL_2:.*]] = arith.constant false
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! CHECK: %[[VAL_3:.*]] = arith.constant false
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! CHECK: fir.call @_FortranAStopStatement(%[[VAL_1]], %[[VAL_2]], %[[VAL_3]]) {{.*}} : (i32, i1, i1) -> ()
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! CHECK: omp.terminator
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! CHECK: }
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! CHECK: return
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! CHECK: }
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subroutine test_stop_in_region2()
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integer :: x
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!$omp parallel
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stop 1
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x = 2
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!$omp end parallel
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end
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! CHECK-LABEL: func.func @_QPtest_stop_in_region3() {
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! CHECK: %[[VAL_0:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFtest_stop_in_region3Ex"}
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! CHECK: %[[VAL_0_DECL:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFtest_stop_in_region3Ex"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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! CHECK: omp.parallel {
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! CHECK: %[[VAL_1:.*]] = arith.constant 3 : i32
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! CHECK: hlfir.assign %[[VAL_1]] to %[[VAL_0_DECL]]#0 : i32, !fir.ref<i32>
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! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_0_DECL]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_3:.*]] = arith.constant 1 : i32
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! CHECK: %[[VAL_4:.*]] = arith.cmpi sgt, %[[VAL_2]], %[[VAL_3]] : i32
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! CHECK: cf.cond_br %[[VAL_4]], ^bb1, ^bb2
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! CHECK: ^bb1:
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! CHECK: %[[VAL_5:.*]] = fir.load %[[VAL_0_DECL]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_6:.*]] = arith.constant false
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! CHECK: %[[VAL_7:.*]] = arith.constant false
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! CHECK: fir.call @_FortranAStopStatement(%[[VAL_5]], %[[VAL_6]], %[[VAL_7]]) {{.*}} : (i32, i1, i1) -> ()
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! CHECK: omp.terminator
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! CHECK: ^bb2:
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! CHECK: omp.terminator
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! CHECK: }
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! CHECK: return
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! CHECK: }
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subroutine test_stop_in_region3()
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integer :: x
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!$omp parallel
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x = 3
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if (x > 1) stop x
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!$omp end parallel
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end
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! CHECK-LABEL: func.func @_QPtest_stop_in_region4() {
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! CHECK: %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFtest_stop_in_region4Ei"}
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! CHECK: %[[VAL_1_DECL:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFtest_stop_in_region4Ei"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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! CHECK: %[[VAL_2:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFtest_stop_in_region4Ex"}
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! CHECK: %[[VAL_2_DECL:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFtest_stop_in_region4Ex"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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! CHECK: %[[VAL_3:.*]] = arith.constant 1 : i32
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! CHECK: %[[VAL_4:.*]] = arith.constant 10 : i32
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! CHECK: %[[VAL_5:.*]] = arith.constant 1 : i32
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! CHECK: omp.wsloop private(@{{.*}} %{{.*}}#0 -> %[[VAL_0:.*]] : !fir.ref<i32>) {
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! CHECK-NEXT: omp.loop_nest (%[[VAL_6:.*]]) : i32 = (%[[VAL_3]]) to (%[[VAL_4]]) inclusive step (%[[VAL_5]]) {
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! CHECK: %[[VAL_0_DECL:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFtest_stop_in_region4Ei"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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! CHECK: hlfir.assign %[[VAL_6]] to %[[VAL_0_DECL]]#0 : i32, !fir.ref<i32>
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! CHECK: cf.br ^bb1
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! CHECK: ^bb1:
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! CHECK: %[[VAL_7:.*]] = arith.constant 3 : i32
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! CHECK: hlfir.assign %[[VAL_7]] to %[[VAL_2_DECL]]#0 : i32, !fir.ref<i32>
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! CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_2_DECL]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32
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! CHECK: %[[VAL_10:.*]] = arith.cmpi sgt, %[[VAL_8]], %[[VAL_9]] : i32
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! CHECK: cf.cond_br %[[VAL_10]], ^bb2, ^bb3
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! CHECK: ^bb2:
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! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_2_DECL]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_12:.*]] = arith.constant false
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! CHECK: %[[VAL_13:.*]] = arith.constant false
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! CHECK: fir.call @_FortranAStopStatement(%[[VAL_11]], %[[VAL_12]], %[[VAL_13]]) {{.*}} : (i32, i1, i1) -> ()
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! CHECK: omp.yield
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! CHECK: ^bb3:
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! CHECK: omp.yield
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! CHECK: }
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! CHECK: }
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! CHECK: cf.br ^bb1
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! CHECK: ^bb1:
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! CHECK: return
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! CHECK: }
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subroutine test_stop_in_region4()
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integer :: x
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!$omp do
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do i = 1, 10
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x = 3
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if (x > 1) stop x
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enddo
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!$omp end do
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end
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!CHECK-LABEL: func.func @_QPtest_stop_in_region5
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!CHECK: omp.parallel {
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!CHECK: {{.*}} fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) fastmath<contract> : (i32, i1, i1) -> ()
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!CHECK: omp.terminator
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!CHECK: }
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!CHECK: return
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subroutine test_stop_in_region5()
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!$omp parallel
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block
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stop 1
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end block
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!$omp end parallel
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end
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!CHECK-LABEL: func.func @_QPtest_stop_in_region6
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!CHECK: omp.parallel {
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!CHECK: cf.cond_br %{{.*}}, ^[[BB1:.*]], ^[[BB2:.*]]
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!CHECK: ^[[BB1]]:
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!CHECK: {{.*}}fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) fastmath<contract> : (i32, i1, i1) -> ()
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!CHECK: omp.terminator
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!CHECK: ^[[BB2]]:
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!CHECK: {{.*}}fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) fastmath<contract> : (i32, i1, i1) -> ()
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!CHECK: omp.terminator
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!CHECK: }
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!CHECK: return
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subroutine test_stop_in_region6(x)
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integer :: x
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!$omp parallel
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if (x .gt. 1) then
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stop 1
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else
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stop 2
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end if
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!$omp end parallel
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end
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