[flang-commits] [flang] 6b96a4c - [Flang][OpenMP] Port openmp default clause tests to HLFIR flow (#70782)
via flang-commits
flang-commits at lists.llvm.org
Thu Nov 2 04:00:27 PDT 2023
Author: harishch4
Date: 2023-11-02T16:30:23+05:30
New Revision: 6b96a4c5ccd05514994765f0a95fdd2a2b4e5d79
URL: https://github.com/llvm/llvm-project/commit/6b96a4c5ccd05514994765f0a95fdd2a2b4e5d79
DIFF: https://github.com/llvm/llvm-project/commit/6b96a4c5ccd05514994765f0a95fdd2a2b4e5d79.diff
LOG: [Flang][OpenMP] Port openmp default clause tests to HLFIR flow (#70782)
Added:
flang/test/Lower/OpenMP/default-clause.f90
Modified:
Removed:
################################################################################
diff --git a/flang/test/Lower/OpenMP/default-clause.f90 b/flang/test/Lower/OpenMP/default-clause.f90
new file mode 100644
index 000000000000000..f2bcad371018ced
--- /dev/null
+++ b/flang/test/Lower/OpenMP/default-clause.f90
@@ -0,0 +1,327 @@
+! This test checks lowering of OpenMP parallel directive
+! with `DEFAULT` clause present.
+
+! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
+
+
+!CHECK: func @_QQmain() attributes {fir.bindc_name = "default_clause_lowering"} {
+!CHECK: %[[W:.*]] = fir.alloca i32 {bindc_name = "w", uniq_name = "_QFEw"}
+!CHECK: %[[W_DECL:.*]]:2 = hlfir.declare %[[W]] {uniq_name = "_QFEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFEx"}
+!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[Y:.*]] = fir.alloca i32 {bindc_name = "y", uniq_name = "_QFEy"}
+!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[Z:.*]] = fir.alloca i32 {bindc_name = "z", uniq_name = "_QFEz"}
+!CHECK: %[[Z_DECL:.*]]:2 = hlfir.declare %[[Z]] {uniq_name = "_QFEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[CONST:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[CONST]] to %[[PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFEw"}
+!CHECK: %[[PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_W]] {uniq_name = "_QFEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[CONST:.*]] = arith.constant 2 : i32
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[RESULT:.*]] = arith.muli %[[CONST]], %[[TEMP]] : i32
+!CHECK: hlfir.assign %[[RESULT]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_W_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 45 : i32
+!CHECK: %[[RESULT:.*]] = arith.addi %[[TEMP]], %[[CONST]] : i32
+!CHECK: hlfir.assign %[[RESULT]] to %[[Z_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+
+program default_clause_lowering
+ integer :: x, y, z, w
+
+ !$omp parallel default(private) firstprivate(x) shared(z)
+ x = y * 2
+ z = w + 45
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[TEMP:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+
+ !$omp parallel default(shared)
+ x = y
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+
+ !$omp parallel default(none) private(x, y)
+ x = y
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_Y_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+
+ !$omp parallel default(firstprivate) firstprivate(y)
+ x = y
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_Y_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFEw"}
+!CHECK: %[[PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_W]] {uniq_name = "_QFEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[W_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_W_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 2 : i32
+!CHECK: %[[RESULT:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = arith.muli %[[CONST]], %[[RESULT]] : i32
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_W_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 45 : i32
+!CHECK: %[[RESULT:.*]] = arith.addi %[[TEMP]], %[[CONST]] : i32
+!CHECK: hlfir.assign %[[RESULT]] to %[[Z_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+
+ !$omp parallel default(firstprivate) private(x) shared(z)
+ x = y * 2
+ z = w + 45
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFEw"}
+!CHECK: %[[PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_W]] {uniq_name = "_QFEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[W_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_W_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_W_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.terminator
+!CHECK: }
+ !$omp parallel
+ !$omp parallel default(private)
+ x = y
+ !$omp end parallel
+
+ !$omp parallel default(firstprivate)
+ w = x
+ !$omp end parallel
+ !$omp end parallel
+
+end program default_clause_lowering
+
+subroutine nested_default_clause_tests
+ integer :: x, y, z, w, k, a
+!CHECK: %[[K:.*]] = fir.alloca i32 {bindc_name = "k", uniq_name = "_QFnested_default_clause_testsEk"}
+!CHECK: %[[K_DECL:.*]]:2 = hlfir.declare %[[K]] {uniq_name = "_QFnested_default_clause_testsEk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[W:.*]] = fir.alloca i32 {bindc_name = "w", uniq_name = "_QFnested_default_clause_testsEw"}
+!CHECK: %[[W_DECL:.*]]:2 = hlfir.declare %[[W]] {uniq_name = "_QFnested_default_clause_testsEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[Y:.*]] = fir.alloca i32 {bindc_name = "y", uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[Z:.*]] = fir.alloca i32 {bindc_name = "z", uniq_name = "_QFnested_default_clause_testsEz"}
+!CHECK: %[[Z_DECL:.*]]:2 = hlfir.declare %[[Z]] {uniq_name = "_QFnested_default_clause_testsEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Z:.*]] = fir.alloca i32 {bindc_name = "z", pinned, uniq_name = "_QFnested_default_clause_testsEz"}
+!CHECK: %[[PRIVATE_Z_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Z]] {uniq_name = "_QFnested_default_clause_testsEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_K:.*]] = fir.alloca i32 {bindc_name = "k", pinned, uniq_name = "_QFnested_default_clause_testsEk"}
+!CHECK: %[[PRIVATE_K_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_K]] {uniq_name = "_QFnested_default_clause_testsEk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: omp.parallel {
+!CHECK: %[[INNER_PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[INNER_PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[INNER_PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[INNER_PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[CONST:.*]] = arith.constant 20 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[INNER_PRIVATE_Y_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 10 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[INNER_PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.parallel {
+!CHECK: %[[INNER_PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFnested_default_clause_testsEw"}
+!CHECK: %[[INNER_PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_W]] {uniq_name = "_QFnested_default_clause_testsEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[INNER_PRIVATE_Z:.*]] = fir.alloca i32 {bindc_name = "z", pinned, uniq_name = "_QFnested_default_clause_testsEz"}
+!CHECK: %[[INNER_PRIVATE_Z_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_Z]] {uniq_name = "_QFnested_default_clause_testsEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Z_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_Z_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[INNER_PRIVATE_K:.*]] = fir.alloca i32 {bindc_name = "k", pinned, uniq_name = "_QFnested_default_clause_testsEk"}
+!CHECK: %[[INNER_PRIVATE_K_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_K]] {uniq_name = "_QFnested_default_clause_testsEk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_K_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_K_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 30 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[PRIVATE_Y_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 40 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[INNER_PRIVATE_W_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 50 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[INNER_PRIVATE_Z_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: %[[CONST:.*]] = arith.constant 40 : i32
+!CHECK: hlfir.assign %[[CONST]] to %[[INNER_PRIVATE_K_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.terminator
+!CHECK: }
+ !$omp parallel firstprivate(x) private(y) shared(w) default(private)
+ !$omp parallel default(private)
+ y = 20
+ x = 10
+ !$omp end parallel
+
+ !$omp parallel default(firstprivate) shared(y) private(w)
+ y = 30
+ w = 40
+ z = 50
+ k = 40
+ !$omp end parallel
+ !$omp end parallel
+
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Z:.*]] = fir.alloca i32 {bindc_name = "z", pinned, uniq_name = "_QFnested_default_clause_testsEz"}
+!CHECK: %[[PRIVATE_Z_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Z]] {uniq_name = "_QFnested_default_clause_testsEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFnested_default_clause_testsEw"}
+!CHECK: %[[PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_W]] {uniq_name = "_QFnested_default_clause_testsEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_INNER_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[PRIVATE_INNER_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_INNER_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_INNER_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[INNER_PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[INNER_PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_Y_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[INNER_PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_INNER_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_INNER_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFnested_default_clause_testsEw"}
+!CHECK: %[[PRIVATE_INNER_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_INNER_W]] {uniq_name = "_QFnested_default_clause_testsEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_INNER_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[PRIVATE_INNER_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_INNER_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP_1:.*]] = fir.load %[[PRIVATE_INNER_X_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[TEMP_2:.*]] = fir.load %[[PRIVATE_Z_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[RESULT:.*]] = arith.addi %{{.*}}, %{{.*}} : i32
+!CHECK: hlfir.assign %[[RESULT]] to %[[PRIVATE_INNER_W_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+ !$omp parallel default(private)
+ !$omp parallel default(firstprivate)
+ x = y
+ !$omp end parallel
+
+ !$omp parallel default(private) shared(z)
+ w = x + z
+ !$omp end parallel
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_W:.*]] = fir.alloca i32 {bindc_name = "w", pinned, uniq_name = "_QFnested_default_clause_testsEw"}
+!CHECK: %[[PRIVATE_W_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_W]] {uniq_name = "_QFnested_default_clause_testsEw"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[PRIVATE_Z:.*]] = fir.alloca i32 {bindc_name = "z", pinned, uniq_name = "_QFnested_default_clause_testsEz"}
+!CHECK: %[[PRIVATE_Z_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Z]] {uniq_name = "_QFnested_default_clause_testsEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: omp.parallel {
+!CHECK: %[[INNER_PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[INNER_PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[INNER_PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[INNER_PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[INNER_PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_Y_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[TEMP:.*]] = fir.load %[[INNER_PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[INNER_PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.parallel {
+!CHECK: %[[TEMP_1:.*]] = fir.load %[[PRIVATE_X_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[TEMP_2:.*]] = fir.load %[[PRIVATE_Z_DECL]]#0 : !fir.ref<i32>
+!CHECK: %[[TEMP_3:.*]] = arith.addi %[[TEMP_1]], %[[TEMP_2]] : i32
+!CHECK: hlfir.assign %[[TEMP_3]] to %[[PRIVATE_W_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: }
+ !$omp parallel default(private)
+ !$omp parallel default(firstprivate)
+ x = y
+ !$omp end parallel
+
+ !$omp parallel default(shared)
+ w = x + z
+ !$omp end parallel
+ !$omp end parallel
+
+!CHECK: omp.parallel {
+!CHECK: %[[PRIVATE_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, uniq_name = "_QFnested_default_clause_testsEx"}
+!CHECK: %[[PRIVATE_X_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_X]] {uniq_name = "_QFnested_default_clause_testsEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: %[[PRIVATE_Y:.*]] = fir.alloca i32 {bindc_name = "y", pinned, uniq_name = "_QFnested_default_clause_testsEy"}
+!CHECK: %[[PRIVATE_Y_DECL:.*]]:2 = hlfir.declare %[[PRIVATE_Y]] {uniq_name = "_QFnested_default_clause_testsEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK: %[[TEMP:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_Y_DECL]]#0 temporary_lhs : i32, !fir.ref<i32>
+!CHECK: omp.single {
+!CHECK: %[[TEMP:.*]] = fir.load %[[PRIVATE_Y_DECL]]#0 : !fir.ref<i32>
+!CHECK: hlfir.assign %[[TEMP]] to %[[PRIVATE_X_DECL]]#0 : i32, !fir.ref<i32>
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: omp.terminator
+!CHECK: }
+!CHECK: }
+ !$omp parallel default(firstprivate)
+ !$omp single
+ x = y
+ !$omp end single
+ !$omp end parallel
+end subroutine
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