re PR tree-optimization/46066 (ICE: in create_parallel_loop, at tree-parloops.c:1455...

	PR tree-optimization/46066
	* tree-parloops.c (create_parallel_loop): Use gsi_last_nondebug_bb
	instead of gsi_last_bb.

	* gcc.dg/autopar/pr46066.c: New test.

From-SVN: r165739

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7a67b096add80e4483db0ad16dc7588d34916774..352be15761a6c6fbae5872102188defd5b71819d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-10-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/46066
+       * tree-parloops.c (create_parallel_loop): Use gsi_last_nondebug_bb
+       instead of gsi_last_bb.
+
 2010-10-20  DJ Delorie  <dj@redhat.com>
 
        * config/m32c/m32c.c (m32c_option_override): Always disable

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9d9c5437c43d8144d9677d16dab486561182ef21..665f8a5df4a97913ce80845d505c18d07f08312a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,9 +1,14 @@
+2010-10-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/46066
+       * gcc.dg/autopar/pr46066.c: New test.
+
 2010-10-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
        PR c++/46024
        * g++.dg/warn/miss-format-1.C: Enclose dg-error target list in braces.
 
-2010-10-20  Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
+2010-10-20  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
 
        PR c++/46056
        * g++.dg/cpp0x/range-for7.C: New.
@@ -1900,7 +1905,7 @@
 
        * gfortran.dg/promotion.f90: Fix options.
 
-2010-09-11  Rodrigo Rivas <rodrigorivascosta@gmail.com>
+2010-09-11  Rodrigo Rivas  <rodrigorivascosta@gmail.com>
 
        * g++.dg/cpp0x/range-for1.C: New.
        * g++.dg/cpp0x/range-for2.C: New.
@@ -1915,7 +1920,7 @@
        and counts. Check that transpose is not called.
        * gfortran.dg/transpose_2.f90: Update error message.
 
-2010-09-10  Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
+2010-09-10  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
 
        PR c++/43824
        * g++.dg/lookup/strong-using-1.C: Set dg-options to "".

diff --git a/gcc/testsuite/gcc.dg/autopar/pr46066.c b/gcc/testsuite/gcc.dg/autopar/pr46066.c
new file mode 100644 (file)
index 0000000..e9bf6c5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/autopar/pr46066.c
@@ -0,0 +1,18 @@
+/* PR tree-optimization/46066 */
+/* { dg-do compile } */
+/* { dg-options "-fcompare-debug -O -ftree-parallelize-loops=4" } */
+
+void
+parloop (int N)
+{
+  int i, j, ii;
+  int x[400][10][400];
+  for (ii = 0; ii < N; ii++)
+    for (i = 0; i < N; i++)
+      for (j = 0; j < N; j++)
+       x[i][j][ii] = 3;
+  for (i = 0; i < N; i++)
+    for (j = 0; j < N; j++)
+      if (x[i][j][0] != 3)
+       __builtin_abort ();
+}

diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c
index 4fc67a3adc93a111ff2e1132f7ec7b136ab0012a..b25b2082922c94f2301d29be6c8f4747954094c4 100644 (file)
--- a/gcc/tree-parloops.c
+++ b/gcc/tree-parloops.c
@@ -1451,7 +1451,7 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data,
           initvar);
   cvar_next = PHI_ARG_DEF_FROM_EDGE (phi, loop_latch_edge (loop));
 
-  gsi = gsi_last_bb (loop->latch);
+  gsi = gsi_last_nondebug_bb (loop->latch);
   gcc_assert (gsi_stmt (gsi) == SSA_NAME_DEF_STMT (cvar_next));
   gsi_remove (&gsi, true);