[flang-commits] [flang] [flang][OpenMP] Enable delayed privatization for `omp parallel` by default (PR #90945)
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Sun Jun 9 22:45:05 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-openmp
Author: Kareem Ergawy (ergawy)
<details>
<summary>Changes</summary>
Flips the delayed privatization switch to be on by default. After the recent fixes related to delayed privatization, the gfortran test suite runs successfully with delayed privatization turned on by defuault for `omp parallel`.
---
Full diff: https://github.com/llvm/llvm-project/pull/90945.diff
15 Files Affected:
- (modified) flang/lib/Lower/OpenMP/Utils.cpp (+1-1)
- (modified) flang/test/Lower/OpenMP/Todo/omp-default-clause-inner-loop.f90 (+7-2)
- (modified) flang/test/Lower/OpenMP/copyprivate.f90 (+3-1)
- (modified) flang/test/Lower/OpenMP/default-clause-byref.f90 (+7-2)
- (modified) flang/test/Lower/OpenMP/default-clause.f90 (+7-2)
- (modified) flang/test/Lower/OpenMP/firstprivate-commonblock.f90 (+3-1)
- (modified) flang/test/Lower/OpenMP/hlfir-seqloop-parallel.f90 (+7-2)
- (modified) flang/test/Lower/OpenMP/implicit-dsa.f90 (+3-1)
- (modified) flang/test/Lower/OpenMP/parallel-firstprivate-clause-scalar.f90 (+2-1)
- (modified) flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90 (+4-1)
- (modified) flang/test/Lower/OpenMP/parallel-private-clause-str.f90 (+6-2)
- (modified) flang/test/Lower/OpenMP/parallel-private-clause.f90 (+2-1)
- (modified) flang/test/Lower/OpenMP/parallel-wsloop.f90 (+2-1)
- (modified) flang/test/Lower/OpenMP/private-commonblock.f90 (+3-1)
- (modified) flang/test/Lower/OpenMP/unstructured.f90 (+2-1)
``````````diff
diff --git a/flang/lib/Lower/OpenMP/Utils.cpp b/flang/lib/Lower/OpenMP/Utils.cpp
index 36d96f37ff36a..d4513311553cc 100644
--- a/flang/lib/Lower/OpenMP/Utils.cpp
+++ b/flang/lib/Lower/OpenMP/Utils.cpp
@@ -34,7 +34,7 @@ llvm::cl::opt<bool> enableDelayedPrivatization(
"openmp-enable-delayed-privatization",
llvm::cl::desc(
"Emit `[first]private` variables as clauses on the MLIR ops."),
- llvm::cl::init(false));
+ llvm::cl::init(true));
llvm::cl::opt<bool> enableDelayedPrivatizationStaging(
"openmp-enable-delayed-privatization-staging",
diff --git a/flang/test/Lower/OpenMP/Todo/omp-default-clause-inner-loop.f90 b/flang/test/Lower/OpenMP/Todo/omp-default-clause-inner-loop.f90
index 773452206993f..c59c10d1c7b76 100644
--- a/flang/test/Lower/OpenMP/Todo/omp-default-clause-inner-loop.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-default-clause-inner-loop.f90
@@ -1,7 +1,12 @@
! This test checks the lowering of parallel do
-! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -fopenmp %s -o - | FileCheck %s
-! RUN: bbc -fopenmp -emit-fir -hlfir=false %s -o - | FileCheck %s
+! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+! RUN: bbc -fopenmp -emit-fir -hlfir=false \
+! RUN: --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
! The string "EXPECTED" denotes the expected FIR
diff --git a/flang/test/Lower/OpenMP/copyprivate.f90 b/flang/test/Lower/OpenMP/copyprivate.f90
index 9b76a996ef3e1..d1efb14de027f 100644
--- a/flang/test/Lower/OpenMP/copyprivate.f90
+++ b/flang/test/Lower/OpenMP/copyprivate.f90
@@ -1,5 +1,7 @@
! Test COPYPRIVATE.
-! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false -o - %s 2>&1 \
+! RUN: | FileCheck %s
!CHECK-DAG: func private @_copy_i64(%{{.*}}: !fir.ref<i64>, %{{.*}}: !fir.ref<i64>)
!CHECK-DAG: func private @_copy_f32(%{{.*}}: !fir.ref<f32>, %{{.*}}: !fir.ref<f32>)
diff --git a/flang/test/Lower/OpenMP/default-clause-byref.f90 b/flang/test/Lower/OpenMP/default-clause-byref.f90
index 7893c4d7d5732..b69142626ad95 100644
--- a/flang/test/Lower/OpenMP/default-clause-byref.f90
+++ b/flang/test/Lower/OpenMP/default-clause-byref.f90
@@ -1,8 +1,13 @@
! This test checks lowering of OpenMP parallel directive
! with `DEFAULT` clause present.
-! RUN: %flang_fc1 -emit-hlfir -fopenmp -mmlir --force-byref-reduction %s -o - | FileCheck %s
-! RUN: bbc -fopenmp -emit-hlfir --force-byref-reduction %s -o - | FileCheck %s
+! RUN: %flang_fc1 -emit-hlfir -fopenmp -mmlir --force-byref-reduction \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+! RUN: bbc -fopenmp -emit-hlfir --force-byref-reduction \
+! RUN: --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
!CHECK: func @_QQmain() attributes {fir.bindc_name = "default_clause_lowering"} {
diff --git a/flang/test/Lower/OpenMP/default-clause.f90 b/flang/test/Lower/OpenMP/default-clause.f90
index 60a9c5efbb2a1..7a642e871198d 100644
--- a/flang/test/Lower/OpenMP/default-clause.f90
+++ b/flang/test/Lower/OpenMP/default-clause.f90
@@ -1,8 +1,13 @@
! 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
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+! RUN: bbc -fopenmp -emit-hlfir \
+! RUN: --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
!CHECK: func @_QQmain() attributes {fir.bindc_name = "default_clause_lowering"} {
diff --git a/flang/test/Lower/OpenMP/firstprivate-commonblock.f90 b/flang/test/Lower/OpenMP/firstprivate-commonblock.f90
index d0fcdac76ad79..9b30492a91ba4 100644
--- a/flang/test/Lower/OpenMP/firstprivate-commonblock.f90
+++ b/flang/test/Lower/OpenMP/firstprivate-commonblock.f90
@@ -1,4 +1,6 @@
-! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false -o - %s 2>&1 \
+! RUN: | FileCheck %s
!CHECK: func.func @_QPfirstprivate_common() {
!CHECK: %[[val_0:.*]] = fir.address_of(@c_) : !fir.ref<!fir.array<8xi8>>
diff --git a/flang/test/Lower/OpenMP/hlfir-seqloop-parallel.f90 b/flang/test/Lower/OpenMP/hlfir-seqloop-parallel.f90
index 271b97819e606..084f2de6360a3 100644
--- a/flang/test/Lower/OpenMP/hlfir-seqloop-parallel.f90
+++ b/flang/test/Lower/OpenMP/hlfir-seqloop-parallel.f90
@@ -1,8 +1,13 @@
! This test checks lowering of sequential loops in OpenMP parallel.
! The loop indices of these loops should be privatised.
-! RUN: bbc -hlfir -fopenmp -emit-hlfir %s -o - | FileCheck %s
-! RUN: %flang_fc1 -emit-hlfir -flang-experimental-hlfir -fopenmp %s -o - | FileCheck %s
+! RUN: bbc -fopenmp -emit-hlfir \
+! RUN: --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+! RUN: %flang_fc1 -emit-hlfir -flang-experimental-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
subroutine sb1
diff --git a/flang/test/Lower/OpenMP/implicit-dsa.f90 b/flang/test/Lower/OpenMP/implicit-dsa.f90
index 0f67d5bfd194f..e9472f1351e75 100644
--- a/flang/test/Lower/OpenMP/implicit-dsa.f90
+++ b/flang/test/Lower/OpenMP/implicit-dsa.f90
@@ -1,4 +1,6 @@
-!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false -o - %s 2>&1 \
+! RUN: | FileCheck %s
! Checks lowering of OpenMP variables with implicitly determined DSAs.
diff --git a/flang/test/Lower/OpenMP/parallel-firstprivate-clause-scalar.f90 b/flang/test/Lower/OpenMP/parallel-firstprivate-clause-scalar.f90
index 93dcd4b74b004..50c36bdccbd5a 100644
--- a/flang/test/Lower/OpenMP/parallel-firstprivate-clause-scalar.f90
+++ b/flang/test/Lower/OpenMP/parallel-firstprivate-clause-scalar.f90
@@ -1,7 +1,8 @@
! This test checks lowering of `FIRSTPRIVATE` clause for scalar types.
! REQUIRES: shell
-! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s --check-prefix=CHECK
+! RUN: bbc -fopenmp -emit-hlfir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s --check-prefix=CHECK
!CHECK-DAG: func @_QPfirstprivate_complex(%[[ARG1:.*]]: !fir.ref<!fir.complex<4>>{{.*}}, %[[ARG2:.*]]: !fir.ref<!fir.complex<8>>{{.*}}) {
!CHECK: %[[ARG1_DECL:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFfirstprivate_complexEarg1"} : (!fir.ref<!fir.complex<4>>, !fir.dscope) -> (!fir.ref<!fir.complex<4>>, !fir.ref<!fir.complex<4>>)
diff --git a/flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90 b/flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90
index 19c7b78298eab..eb32201512a5f 100644
--- a/flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90
+++ b/flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90
@@ -1,6 +1,9 @@
! This test checks a few bug fixes in the PRIVATE clause lowering
-! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
+! RUN: bbc -fopenmp -emit-hlfir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+
! CHECK-LABEL: multiple_private_fix
! CHECK-SAME: %[[GAMA:.*]]: !fir.ref<i32> {fir.bindc_name = "gama"}
diff --git a/flang/test/Lower/OpenMP/parallel-private-clause-str.f90 b/flang/test/Lower/OpenMP/parallel-private-clause-str.f90
index 19ea37c5339b5..840f898e5dd67 100644
--- a/flang/test/Lower/OpenMP/parallel-private-clause-str.f90
+++ b/flang/test/Lower/OpenMP/parallel-private-clause-str.f90
@@ -2,8 +2,12 @@
! `PRIVATE` clause present for strings
! REQUIRES: shell
-! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
-!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! RUN: bbc -fopenmp -emit-hlfir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
+
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false -o - %s 2>&1 \
+! RUN: | FileCheck %s
!CHECK: func.func @_QPtest_allocatable_string(%{{.*}}: !fir.ref<i32> {fir.bindc_name = "n"}) {
!CHECK: %[[C_BOX_REF:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {bindc_name = "c", uniq_name = "_QFtest_allocatable_stringEc"}
diff --git a/flang/test/Lower/OpenMP/parallel-private-clause.f90 b/flang/test/Lower/OpenMP/parallel-private-clause.f90
index 7f5bc2565e679..b2c38f22caf75 100644
--- a/flang/test/Lower/OpenMP/parallel-private-clause.f90
+++ b/flang/test/Lower/OpenMP/parallel-private-clause.f90
@@ -2,7 +2,8 @@
! `PRIVATE` clause present.
! REQUIRES: shell
-! RUN: bbc --use-desc-for-alloc=false -fopenmp -emit-hlfir %s -o - | \
+! RUN: bbc --use-desc-for-alloc=false -fopenmp -emit-hlfir \
+! RUN: --openmp-enable-delayed-privatization=false %s -o - | \
! RUN: FileCheck %s --check-prefix=FIRDialect
!FIRDialect: func @_QPprivate_clause(%[[ARG1:.*]]: !fir.ref<i32> {fir.bindc_name = "arg1"}, %[[ARG2:.*]]: !fir.ref<!fir.array<10xi32>> {fir.bindc_name = "arg2"}, %[[ARG3:.*]]: !fir.boxchar<1> {fir.bindc_name = "arg3"}, %[[ARG4:.*]]: !fir.boxchar<1> {fir.bindc_name = "arg4"}) {
diff --git a/flang/test/Lower/OpenMP/parallel-wsloop.f90 b/flang/test/Lower/OpenMP/parallel-wsloop.f90
index e5c303d7bb2ed..0288d6d6fa73e 100644
--- a/flang/test/Lower/OpenMP/parallel-wsloop.f90
+++ b/flang/test/Lower/OpenMP/parallel-wsloop.f90
@@ -1,6 +1,7 @@
! This test checks lowering of OpenMP DO Directive (Worksharing).
-! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
+! RUN: bbc -fopenmp -emit-hlfir --openmp-enable-delayed-privatization=false %s -o - \
+! RUN: | FileCheck %s
! CHECK-LABEL: func @_QPsimple_parallel_do()
subroutine simple_parallel_do
diff --git a/flang/test/Lower/OpenMP/private-commonblock.f90 b/flang/test/Lower/OpenMP/private-commonblock.f90
index ee580594f7c3f..b8f459bac201e 100644
--- a/flang/test/Lower/OpenMP/private-commonblock.f90
+++ b/flang/test/Lower/OpenMP/private-commonblock.f90
@@ -1,4 +1,6 @@
-! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
+! RUN: %flang_fc1 -emit-hlfir -fopenmp \
+! RUN: -mmlir --openmp-enable-delayed-privatization=false -o - %s 2>&1 \
+! RUN: | FileCheck %s
!CHECK: func.func @_QPprivate_common() {
!CHECK: omp.parallel {
diff --git a/flang/test/Lower/OpenMP/unstructured.f90 b/flang/test/Lower/OpenMP/unstructured.f90
index b36e4f37a7458..1c33d32a31e62 100644
--- a/flang/test/Lower/OpenMP/unstructured.f90
+++ b/flang/test/Lower/OpenMP/unstructured.f90
@@ -1,6 +1,7 @@
! Test unstructured code adjacent to and inside OpenMP constructs.
-! RUN: bbc %s -fopenmp -emit-hlfir -o "-" | FileCheck %s
+! RUN: bbc %s -fopenmp -emit-hlfir --openmp-enable-delayed-privatization=false -o "-" \
+! RUN: | FileCheck %s
! CHECK-LABEL: func @_QPss1{{.*}} {
! CHECK: br ^bb1
``````````
</details>
https://github.com/llvm/llvm-project/pull/90945
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