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TheRock/compiler/amd-llvm/flang/test/Lower/OpenMP/loop-lifetime.f90
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53 lines
1.6 KiB
Fortran

! This test checks the insertion of lifetime information for loop indices of
! OpenMP loop operations.
! RUN: %flang_fc1 -flang-experimental-hlfir -emit-llvm -fopenmp %s -o - | FileCheck %s
! REQUIRES: stableFlang
! CHECK-LABEL: define void @wsloop_i32
subroutine wsloop_i32()
! CHECK: %[[I_PRIV:.*]] = alloca i32
! CHECK: %[[I:.*]] = alloca i32
! CHECK: %[[LASTITER:.*]] = alloca i32
! CHECK: %[[LB:.*]] = alloca i32
! CHECK: %[[UB:.*]] = alloca i32
! CHECK: %[[STRIDE:.*]] = alloca i32
integer :: i
! CHECK: call void @llvm.lifetime.start.p0(i64 4, ptr %[[I_PRIV]])
! CHECK-NEXT: br label %[[WSLOOP_BLOCK:.*]]
! CHECK: [[WSLOOP_BLOCK]]:
! CHECK-NOT: {{^.*}}:
! CHECK: br label %[[CONT_BLOCK:.*]]
! CHECK: [[CONT_BLOCK]]:
! CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr %[[I_PRIV]])
!$omp do
do i = 1, 10
print *, i
end do
!$omp end do
end subroutine
! CHECK-LABEL: define void @wsloop_i64
subroutine wsloop_i64()
! CHECK-DAG: %[[I_PRIV:.*]] = alloca i64
! CHECK-DAG: %[[I:.*]] = alloca i64
! CHECK-DAG: %[[LASTITER:.*]] = alloca i32
! CHECK-DAG: %[[LB:.*]] = alloca i64
! CHECK-DAG: %[[UB:.*]] = alloca i64
! CHECK-DAG: %[[STRIDE:.*]] = alloca i64
integer*8 :: i
! CHECK: call void @llvm.lifetime.start.p0(i64 8, ptr %[[I_PRIV]])
! CHECK-NEXT: br label %[[WSLOOP_BLOCK:.*]]
! CHECK: [[WSLOOP_BLOCK]]:
! CHECK-NOT: {{^.*}}:
! CHECK: br label %[[CONT_BLOCK:.*]]
! CHECK: [[CONT_BLOCK]]:
! CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 8, ptr %[[I_PRIV]])
!$omp do
do i = 1, 10
print *, i
end do
!$omp end do
end subroutine