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| author | Jakub Jelinek <jakub@redhat.com> | 2018-01-23 00:00:50 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-01-23 00:00:50 +0100 |
| commit | 164485b5c4f4fb74def017cf7e811c90435cc245 (patch) | |
| tree | 683e8f190df39ed03429642b043ec45729ce6891 /gcc | |
| parent | f5c517f03c53189f5a3381cda85219303480e090 (diff) | |
| download | gcc-164485b5c4f4fb74def017cf7e811c90435cc245.zip gcc-164485b5c4f4fb74def017cf7e811c90435cc245.tar.gz gcc-164485b5c4f4fb74def017cf7e811c90435cc245.tar.bz2 | |
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')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/omp-expand.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/autopar/pr83957.c | 11 |
4 files changed, 22 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d8c30e7..507bb52 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2018-01-22 Jakub Jelinek <jakub@redhat.com> + PR tree-optimization/83957 + * omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs. Remove + semicolon after for body surrounded by braces. + PR tree-optimization/83081 * profile-count.h (profile_probability::split): New method. * dojump.c (do_jump_1) <case TRUTH_ANDIF_EXPR, case TRUTH_ORIF_EXPR>: 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, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 23cef82..82497ed 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2018-01-22 Jakub Jelinek <jakub@redhat.com> + PR tree-optimization/83957 + * gcc.dg/autopar/pr83957.c: New test. + PR tree-optimization/83081 * gcc.dg/predict-8.c: Adjust expected probability. diff --git a/gcc/testsuite/gcc.dg/autopar/pr83957.c b/gcc/testsuite/gcc.dg/autopar/pr83957.c new file mode 100644 index 0000000..7d13ee1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/autopar/pr83957.c @@ -0,0 +1,11 @@ +/* PR tree-optimization/83957 */ +/* { dg-do compile } */ +/* { dg-options "-O1 -ftree-parallelize-loops=2 -fno-tree-dce --param parloops-schedule=dynamic" } */ + +void +foo (int *x, int y) +{ + if (y < 0) + for (; y < 1; ++y) + x = &y; +} |