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authorJakub Jelinek <jakub@redhat.com>2018-01-23 00:00:50 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2018-01-23 00:00:50 +0100
commit164485b5c4f4fb74def017cf7e811c90435cc245 (patch)
tree683e8f190df39ed03429642b043ec45729ce6891 /gcc/omp-expand.c
parentf5c517f03c53189f5a3381cda85219303480e090 (diff)
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re PR tree-optimization/83957 (ICE: Segmentation fault (in gimple_phi_arg))
PR tree-optimization/83957 * omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs. Remove semicolon after for body surrounded by braces. * gcc.dg/autopar/pr83957.c: New test. From-SVN: r256967
Diffstat (limited to 'gcc/omp-expand.c')
-rw-r--r--gcc/omp-expand.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/omp-expand.c b/gcc/omp-expand.c
index 8690f86..90e0631 100644
--- a/gcc/omp-expand.c
+++ b/gcc/omp-expand.c
@@ -3156,6 +3156,9 @@ expand_omp_for_generic (struct omp_region *region,
gphi *nphi;
gphi *exit_phi = psi.phi ();
+ if (virtual_operand_p (gimple_phi_result (exit_phi)))
+ continue;
+
edge l2_to_l3 = find_edge (l2_bb, l3_bb);
tree exit_res = PHI_ARG_DEF_FROM_EDGE (exit_phi, l2_to_l3);
@@ -3178,7 +3181,7 @@ expand_omp_for_generic (struct omp_region *region,
add_phi_arg (nphi, exit_res, l2_to_l0, UNKNOWN_LOCATION);
add_phi_arg (inner_phi, new_res, l0_to_l1, UNKNOWN_LOCATION);
- };
+ }
}
set_immediate_dominator (CDI_DOMINATORS, l2_bb,