[ was: Re: [committed] Add oacc_kernels_p argument to pass_parallelize_loops ]

On 18/01/16 14:07, Tom de Vries wrote:
[was: Re: [PIING][PATCH, 9/16] Add pass_parallelize_loops_oacc_kernels ]

On 14/12/15 16:22, Richard Biener wrote:
On Sun, Dec 13, 2015 at 5:58 PM, Tom de Vries <tom_devr...@mentor.com>
wrote:
On 24/11/15 13:24, Tom de Vries wrote:

On 16/11/15 12:59, Tom de Vries wrote:

On 09/11/15 20:52, Tom de Vries wrote:

On 09/11/15 16:35, Tom de Vries wrote:

Hi,

this patch series for stage1 trunk adds support to:
- parallelize oacc kernels regions using parloops, and
- map the loops onto the oacc gang dimension.

The patch series contains these patches:

       1    Insert new exit block only when needed in
          transform_to_exit_first_loop_alt
       2    Make create_parallel_loop return void
       3    Ignore reduction clause on kernels directive
       4    Implement -foffload-alias
       5    Add in_oacc_kernels_region in struct loop
       6    Add pass_oacc_kernels
       7    Add pass_dominator_oacc_kernels
       8    Add pass_ch_oacc_kernels
       9    Add pass_parallelize_loops_oacc_kernels
      10    Add pass_oacc_kernels pass group in passes.def
      11    Update testcases after adding kernels pass group
      12    Handle acc loop directive
      13    Add c-c++-common/goacc/kernels-*.c
      14    Add gfortran.dg/goacc/kernels-*.f95
      15    Add libgomp.oacc-c-c++-common/kernels-*.c
      16    Add libgomp.oacc-fortran/kernels-*.f95

The first 9 patches are more or less independent, but patches
10-16 are
intended to be committed at the same time.

Bootstrapped and reg-tested on x86_64.

Build and reg-tested with nvidia accelerator, in combination with a
patch that enables accelerator testing (which is submitted at
https://gcc.gnu.org/ml/gcc-patches/2015-10/msg01771.html ).

I'll post the individual patches in reply to this message.


This patch adds pass_parallelize_loops_oacc_kernels.

There's a number of things we do differently in parloops for oacc
kernels:
- in normal parloops, we generate code to choose between a parallel
    version of the loop, and a sequential (low iteration count)
version.
    Since the code in oacc kernels region is supposed to run on the
    accelerator anyway, we skip this check, and don't add a low
iteration
    count loop.
- in normal parloops, we generate an #pragma omp parallel /
    GIMPLE_OMP_RETURN pair to delimit the region which will we
split off
    into a thread function. Since the oacc kernels region is already
    split off, we don't add this pair.
- we indicate the parallelization factor by setting the oacc function
    attributes
- we generate an #pragma oacc loop instead of an #pragma omp for, and
    we add the gang clause
- in normal parloops, we rewrite the variable accesses in the loop in
    terms into accesses relative to a thread function parameter.
For the
    oacc kernels region, that rewrite has already been done at
omp-lower,
    so we skip this.
- we need to ensure that the entire kernels region can be run in
    parallel. The loop independence check is already present, so
for oacc
    kernels we add a check between blocks outside the loop and the
entire
    region.
- we guard stores in the blocks outside the loop with gang_pos == 0.
    There's no need for each gang to write to a single location,
we can
    do this in just one gang. (Typically this is the write of the
final
    value of the iteration variable if that one is copied back to the
    host).


Reposting with loop optimizer init added in
pass_parallelize_loops_oacc_kernels::execute.


Reposting with loop_optimizer_finalize,scev_initialize and
scev_finalize
   added in pass_parallelize_loops_oacc_kernels::execute.


Ping.

Anything I can do to facilitate the review?

Document new functions.

Done.

avoid if (1).

Done.

Ideally some refactoring would avoid some of the if (!oacc_kernels_p)
spaghetti

Ack. For now, i've tried to minimize the number of oacc_kernels_p tests
in the code.

Further suggestions on how to improve here are much appreciated.

but I'm considering tree-parloops.c (and its bugs) yours.

Ack.

Can the pass not just use a pass parameter to switch between
oacc/non-oacc?


This patch introduces the pass parameter oacc_kernels_p (but does not
instantiate an oacc_kernels_p == true pass version yet).

This patch add pass_parallelize_loops to pass_oacc_kernels (using pass parameter oacc_kernels_p == true).

As a consequence, it needs to update parloops testcases to use dumpfile parloops2.

Bootstrapped and reg-tested on x86_64.

Build with nvidia accelerator and tested goacc.exp and libgomp.

Committed to trunk.

Thanks,
- Tom

Add pass_parallelize_loops to pass_oacc_kernels

2016-01-18  Tom de Vries  <t...@codesourcery.com>

	* passes.def: Add pass_parallelize_loops to pass_oacc_kernels.

	* gcc.dg/autopar/outer-1.c: Update for new parloops instantiation.
	* gcc.dg/autopar/outer-2.c: Same.
	* gcc.dg/autopar/outer-3.c: Same.
	* gcc.dg/autopar/outer-4.c: Same.
	* gcc.dg/autopar/outer-5.c: Same.
	* gcc.dg/autopar/outer-6.c: Same.
	* gcc.dg/autopar/parallelization-1.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-2.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-3.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-4.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-5.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-6.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-7.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c: Same.
	* gcc.dg/autopar/parloops-exit-first-loop-alt.c: Same.
	* gcc.dg/autopar/pr39500-1.c: Same.
	* gcc.dg/autopar/pr39500-2.c: Same.
	* gcc.dg/autopar/pr46193.c: Same.
	* gcc.dg/autopar/pr46194.c: Same.
	* gcc.dg/autopar/pr49580.c: Same.
	* gcc.dg/autopar/pr49960-1.c: Same.
	* gcc.dg/autopar/pr49960.c: Same.
	* gcc.dg/autopar/pr68373.c: Same.
	* gcc.dg/autopar/reduc-1.c: Same.
	* gcc.dg/autopar/reduc-1char.c: Same.
	* gcc.dg/autopar/reduc-1short.c: Same.
	* gcc.dg/autopar/reduc-2.c: Same.
	* gcc.dg/autopar/reduc-2char.c: Same.
	* gcc.dg/autopar/reduc-2short.c: Same.
	* gcc.dg/autopar/reduc-3.c: Same.
	* gcc.dg/autopar/reduc-4.c: Same.
	* gcc.dg/autopar/reduc-6.c: Same.
	* gcc.dg/autopar/reduc-7.c: Same.
	* gcc.dg/autopar/reduc-8.c: Same.
	* gcc.dg/autopar/reduc-9.c: Same.
	* gcc.dg/autopar/uns-outer-4.c: Same.
	* gcc.dg/autopar/uns-outer-5.c: Same.
	* gcc.dg/autopar/uns-outer-6.c: Same.
	* gfortran.dg/parloops-exit-first-loop-alt-2.f95: Same.
	* gfortran.dg/parloops-exit-first-loop-alt.f95: Same.

---
 gcc/passes.def                                                 |  2 +-
 gcc/testsuite/gcc.dg/autopar/outer-1.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/outer-2.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/outer-3.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/outer-4.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/outer-5.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/outer-6.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/parallelization-1.c               |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-2.c  |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-3.c  |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-4.c  |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-5.c  |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-6.c  |  4 ++--
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-7.c  |  4 ++--
 .../gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c      |  6 +++---
 gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt.c    |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr39500-1.c                       |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr39500-2.c                       |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr46193.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr46194.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr49580.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr49960-1.c                       |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr49960.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/pr68373.c                         |  4 ++--
 gcc/testsuite/gcc.dg/autopar/reduc-1.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-1char.c                     |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-1short.c                    |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-2.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-2char.c                     | 10 +++++-----
 gcc/testsuite/gcc.dg/autopar/reduc-2short.c                    | 10 +++++-----
 gcc/testsuite/gcc.dg/autopar/reduc-3.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-4.c                         |  2 +-
 gcc/testsuite/gcc.dg/autopar/reduc-6.c                         |  8 ++++----
 gcc/testsuite/gcc.dg/autopar/reduc-7.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-8.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/reduc-9.c                         |  6 +++---
 gcc/testsuite/gcc.dg/autopar/uns-outer-4.c                     |  4 ++--
 gcc/testsuite/gcc.dg/autopar/uns-outer-5.c                     |  4 ++--
 gcc/testsuite/gcc.dg/autopar/uns-outer-6.c                     |  6 +++---
 gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt-2.f95   |  4 ++--
 gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt.f95     |  4 ++--
 41 files changed, 100 insertions(+), 100 deletions(-)

diff --git a/gcc/passes.def b/gcc/passes.def
index d9a8c4e..ab6e083 100644
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -124,7 +124,7 @@ along with GCC; see the file COPYING3.  If not see
 	      NEXT_PASS (pass_lim);
 	      NEXT_PASS (pass_dominator, false /* may_peel_loop_headers_p */);
 	      NEXT_PASS (pass_dce);
-	      /* pass_parallelize_loops_oacc_kernels */
+	      NEXT_PASS (pass_parallelize_loops, true /* oacc_kernels_p */);
 	      NEXT_PASS (pass_expand_omp_ssa);
 	      NEXT_PASS (pass_rebuild_cgraph_edges);
 	  POP_INSERT_PASSES ()
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-1.c b/gcc/testsuite/gcc.dg/autopar/outer-1.c
index d36b557..6607ed0 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-1.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -27,5 +27,5 @@ int main(void)
 
 
 /* Check that outer loop is parallelized.  */
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-2.c b/gcc/testsuite/gcc.dg/autopar/outer-2.c
index fd7c2be..9533e8d 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-2.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-2.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -27,5 +27,5 @@ int main(void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-3.c b/gcc/testsuite/gcc.dg/autopar/outer-3.c
index 55454a4..130a974 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-3.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-3.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -27,5 +27,5 @@ int main(void)
 
 
 /* Check that outer loop is parallelized.  */
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-4.c b/gcc/testsuite/gcc.dg/autopar/outer-4.c
index 681cf85..b002b0e 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-4.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-4.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -25,6 +25,6 @@ parloop (int N)
 }
 
 
-/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" { xfail *-*-* } } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-5.c b/gcc/testsuite/gcc.dg/autopar/outer-5.c
index d6e0dd3..84b2de1 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-5.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-5.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -44,5 +44,5 @@ int main(void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" { xfail *-*-* } } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/outer-6.c b/gcc/testsuite/gcc.dg/autopar/outer-6.c
index 726794c..fff7bce 100644
--- a/gcc/testsuite/gcc.dg/autopar/outer-6.c
+++ b/gcc/testsuite/gcc.dg/autopar/outer-6.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -44,6 +44,6 @@ int main(void)
 
 
 /* Check that outer loop is parallelized.  */
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" { xfail *-*-* } } } */
-/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" { xfail *-*-* } } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parallelization-1.c b/gcc/testsuite/gcc.dg/autopar/parallelization-1.c
index 222831a..1b400fb 100644
--- a/gcc/testsuite/gcc.dg/autopar/parallelization-1.c
+++ b/gcc/testsuite/gcc.dg/autopar/parallelization-1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -27,5 +27,5 @@ int main(void)
 
 /* Check that the first loop in parloop got parallelized.  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-2.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-2.c
index f988455..fbd3af8 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-2.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-2.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Constant bound, vector addition.  */
 
@@ -18,4 +18,4 @@ f (void)
       c[i] = a[i] + b[i];
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-3.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-3.c
index 8bba352..f7a7323 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-3.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-3.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Variable bound, reduction.  */
 
@@ -17,4 +17,4 @@ f (unsigned int n, unsigned int *__restrict__ a)
   return sum;
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-4.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-4.c
index ccb07bc..6b1a776 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-4.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-4.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Constant bound, reduction.  */
 
@@ -19,4 +19,4 @@ f (void)
   return sum;
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-5.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-5.c
index 68367b1..f3f8a3b 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-5.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-5.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Variable bound, vector addition, unsigned loop counter, unsigned bound.  */
 
@@ -13,4 +13,4 @@ f (unsigned int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b,
     c[i] = a[i] + b[i];
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-6.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-6.c
index 80d1550..186eab3 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-6.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-6.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Variable bound, vector addition, unsigned loop counter, signed bound.  */
 
@@ -13,4 +13,4 @@ f (int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b,
     c[i] = a[i] + b[i];
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-7.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-7.c
index 8ecff0c..46c5ac4 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-7.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-7.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Variable bound, vector addition, signed loop counter, signed bound.  */
 
@@ -13,4 +13,4 @@ f (int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b,
     c[i] = a[i] + b[i];
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c
index b320628..a02e183 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt-pr66652.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -21,5 +21,5 @@ f (unsigned int n, unsigned int sum)
   return sum;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 1 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 1 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 0 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt.c b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt.c
index c67d262..dce9c92 100644
--- a/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt.c
+++ b/gcc/testsuite/gcc.dg/autopar/parloops-exit-first-loop-alt.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 /* Variable bound, vector addition, signed loop counter, unsigned bound.  */
 
@@ -13,5 +13,5 @@ f (unsigned int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b,
     c[i] = a[i] + b[i];
 }
 
-/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/pr39500-1.c b/gcc/testsuite/gcc.dg/autopar/pr39500-1.c
index 33b93b3..28f4789 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr39500-1.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr39500-1.c
@@ -1,7 +1,7 @@
 /* pr39500: autopar fails to parallel */
 /* origin: nemoking...@gmail.com(LiFeng) */
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details" } */
 
 void abort (void);
 
@@ -24,4 +24,4 @@ int main (void)
 
 /* Check that the first loop in parloop got parallelized.  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr39500-2.c b/gcc/testsuite/gcc.dg/autopar/pr39500-2.c
index 12fa909..98363e4 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr39500-2.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr39500-2.c
@@ -1,7 +1,7 @@
 /* pr39500: autopar fails to parallel */
 /* origin: nemoking...@gmail.com(LiFeng) */
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details" } */
 
 int main (void)
 {
@@ -16,4 +16,4 @@ int main (void)
 
 /* This loop cannot be parallelized due to a dependence.  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr46193.c b/gcc/testsuite/gcc.dg/autopar/pr46193.c
index 544a5da..36f89c1 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr46193.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr46193.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 extern void abort (void);
 
@@ -35,4 +35,4 @@ foo2 (int count, char **list)
   return maxaddr;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 2 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 2 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr46194.c b/gcc/testsuite/gcc.dg/autopar/pr46194.c
index 3daf2ab..2a184a0 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr46194.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr46194.c
@@ -1,6 +1,6 @@
 /* PR tree-optimization/46194 */
 /* { dg-do compile } */
-/* { dg-options "-O -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 #define N 1000
 int a[N];
@@ -20,4 +20,4 @@ int foo (void)
 
 /* This loop cannot be parallelized due to a dependence.  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr49580.c b/gcc/testsuite/gcc.dg/autopar/pr49580.c
index ddb622f..e2c8be8 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr49580.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr49580.c
@@ -1,6 +1,6 @@
 /* PR debug/49580 */
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -33,5 +33,5 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/pr49960-1.c b/gcc/testsuite/gcc.dg/autopar/pr49960-1.c
index 34d5552..bd65c22 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr49960-1.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr49960-1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -30,5 +30,5 @@ int main()
 }
 /* Check that no loop gets parallelized.  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 0 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr49960.c b/gcc/testsuite/gcc.dg/autopar/pr49960.c
index c413278..e3fb04d 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr49960.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr49960.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized -fno-partial-inlining" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized -fno-partial-inlining" } */
 
 #include <stdio.h>
 #define MB 100
@@ -50,5 +50,5 @@ void main ()
 
 /* Check that the outer most loop doesn't get parallelized (thus no loop gets parallelized)  */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 0 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/pr68373.c b/gcc/testsuite/gcc.dg/autopar/pr68373.c
index 8e0f8a5..ecac613 100644
--- a/gcc/testsuite/gcc.dg/autopar/pr68373.c
+++ b/gcc/testsuite/gcc.dg/autopar/pr68373.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
 
 unsigned int
 foo (int *a, unsigned int n)
@@ -11,4 +11,4 @@ foo (int *a, unsigned int n)
   return i;
 }
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-1.c b/gcc/testsuite/gcc.dg/autopar/reduc-1.c
index 6e9a280..1e5f923 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-1.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -66,6 +66,6 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-1char.c b/gcc/testsuite/gcc.dg/autopar/reduc-1char.c
index 48ead88..0d611b96 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-1char.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-1char.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -60,6 +60,6 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-1short.c b/gcc/testsuite/gcc.dg/autopar/reduc-1short.c
index f3f547c..92654e3 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-1short.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-1short.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -59,6 +59,6 @@ int main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-2.c b/gcc/testsuite/gcc.dg/autopar/reduc-2.c
index 2f4883d..b94b2d4 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-2.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-2.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -63,6 +63,6 @@ int main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" { xfail *-*-* } } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops2" { xfail *-*-* } } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-2char.c b/gcc/testsuite/gcc.dg/autopar/reduc-2char.c
index a2dad44..d48d9f9 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-2char.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-2char.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -61,10 +61,10 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" { xfail *-*-* } } } */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops2" { xfail *-*-* } } } */
 
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-2short.c b/gcc/testsuite/gcc.dg/autopar/reduc-2short.c
index a50e14f..f5466f0 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-2short.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-2short.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -59,8 +59,8 @@ int main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops2" { xfail *-*-* } } } */
 
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops2" { xfail *-*-* } } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-3.c b/gcc/testsuite/gcc.dg/autopar/reduc-3.c
index 0d4baef..9ed1c90 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-3.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-3.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -50,6 +50,6 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 1 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 1 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-4.c b/gcc/testsuite/gcc.dg/autopar/reduc-4.c
index 80b15e2..fb331cc 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-4.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-4.c
@@ -1,4 +1,4 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized --param parloops-chunk-size=100" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized --param parloops-chunk-size=100" } */
 
 #include "reduc-3.c"
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-6.c b/gcc/testsuite/gcc.dg/autopar/reduc-6.c
index 91f679e..22a2e62 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-6.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-6.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdarg.h>
 #include <stdlib.h>
@@ -56,6 +56,6 @@ int main (void)
 
 
 /* need -ffast-math to  parallelize these loops.  */
-/* { dg-final { scan-tree-dump-times "Detected reduction" 0 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "FAILED: it is not a part of reduction" 3 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 0 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "FAILED: it is not a part of reduction" 3 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-7.c b/gcc/testsuite/gcc.dg/autopar/reduc-7.c
index 77b99e1..efae736 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-7.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-7.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdlib.h>
 
@@ -84,6 +84,6 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops2" } } */
 
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-8.c b/gcc/testsuite/gcc.dg/autopar/reduc-8.c
index 18ba03d..b3c0cda 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-8.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-8.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdlib.h>
 
@@ -85,5 +85,5 @@ main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/reduc-9.c b/gcc/testsuite/gcc.dg/autopar/reduc-9.c
index 90f4db2..99f9298 100644
--- a/gcc/testsuite/gcc.dg/autopar/reduc-9.c
+++ b/gcc/testsuite/gcc.dg/autopar/reduc-9.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 #include <stdlib.h>
 
@@ -84,5 +84,5 @@ int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops2" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/uns-outer-4.c b/gcc/testsuite/gcc.dg/autopar/uns-outer-4.c
index 5eb67ea..ee4bb82 100644
--- a/gcc/testsuite/gcc.dg/autopar/uns-outer-4.c
+++ b/gcc/testsuite/gcc.dg/autopar/uns-outer-4.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -21,5 +21,5 @@ parloop (int N)
   g_sum = sum;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/uns-outer-5.c b/gcc/testsuite/gcc.dg/autopar/uns-outer-5.c
index a929e5d..2d93a2d 100644
--- a/gcc/testsuite/gcc.dg/autopar/uns-outer-5.c
+++ b/gcc/testsuite/gcc.dg/autopar/uns-outer-5.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -45,5 +45,5 @@ main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/autopar/uns-outer-6.c b/gcc/testsuite/gcc.dg/autopar/uns-outer-6.c
index 5c745f8..dc2870b 100644
--- a/gcc/testsuite/gcc.dg/autopar/uns-outer-6.c
+++ b/gcc/testsuite/gcc.dg/autopar/uns-outer-6.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
+/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
 
 void abort (void);
 
@@ -46,6 +46,6 @@ main (void)
 
 
 /* Check that outer loop is parallelized.  */
-/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
-/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" } } */
+/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops2" } } */
 /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */
diff --git a/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt-2.f95 b/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt-2.f95
index 52434f2..236480c 100644
--- a/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt-2.f95
+++ b/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt-2.f95
@@ -1,7 +1,7 @@
 ! { dg-additional-options "-O2" }
 ! { dg-require-effective-target pthread }
 ! { dg-additional-options "-ftree-parallelize-loops=2" }
-! { dg-additional-options "-fdump-tree-parloops-details" }
+! { dg-additional-options "-fdump-tree-parloops2-details" }
 
 ! Constant bound, vector addition.
 
@@ -16,4 +16,4 @@ subroutine foo ()
   end do
 end subroutine foo
 
-! { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } }
+! { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } }
diff --git a/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt.f95 b/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt.f95
index 1eb9dfd..a33e11d 100644
--- a/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt.f95
+++ b/gcc/testsuite/gfortran.dg/parloops-exit-first-loop-alt.f95
@@ -1,7 +1,7 @@
 ! { dg-additional-options "-O2" }
 ! { dg-require-effective-target pthread }
 ! { dg-additional-options "-ftree-parallelize-loops=2" }
-! { dg-additional-options "-fdump-tree-parloops-details" }
+! { dg-additional-options "-fdump-tree-parloops2-details" }
 
 ! Variable bound, vector addition.
 
@@ -17,5 +17,5 @@ subroutine foo (nr)
   end do
 end subroutine foo
 
-! { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } }
+! { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } }
 

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