diff options
| author | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-05-07 07:02:36 +0000 |
|---|---|---|
| committer | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-05-07 07:02:36 +0000 |
| commit | 0d2ebb3e677036cc5594e18bdc94b19999ba2f4d (patch) | |
| tree | 6ea974b8f65928c76fa11408908935769087098b | |
| parent | 3dacb00fcddf8a05bbe9b7f5aa24a9e5c3e40ff8 (diff) | |
backport "Handle NULL def in build_cross_bb_scalars_def"
2016-05-07 Tom de Vries <tom@codesourcery.com>
backport:
2016-05-07 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/70956
* graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
def.
* gcc.dg/graphite/pr70956.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@235995 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/graphite-scop-detection.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/graphite/pr70956.c | 4 |
4 files changed, 22 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5f8de4a12a4..0962f977e63 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2016-05-07 Tom de Vries <tom@codesourcery.com> + + backport: + 2016-05-07 Tom de Vries <tom@codesourcery.com> + + PR tree-optimization/70956 + * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL + def. + 2016-05-06 Marek Polacek <polacek@redhat.com> Backported from mainline diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c index 7615842b332..dd50a1e4ec0 100644 --- a/gcc/graphite-scop-detection.c +++ b/gcc/graphite-scop-detection.c @@ -1722,8 +1722,7 @@ static void build_cross_bb_scalars_def (scop_p scop, tree def, basic_block def_bb, vec<tree> *writes) { - gcc_assert (def); - if (!is_gimple_reg (def)) + if (!def || !is_gimple_reg (def)) return; /* Do not gather scalar variables that can be analyzed by SCEV as they can be diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 500bccdb161..b4380126520 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2016-05-07 Tom de Vries <tom@codesourcery.com> + + backport: + 2016-05-07 Tom de Vries <tom@codesourcery.com> + + PR tree-optimization/70956 + * gcc.dg/graphite/pr70956.c: New test. + 2016-05-06 Marek Polacek <polacek@redhat.com> Backported from mainline diff --git a/gcc/testsuite/gcc.dg/graphite/pr70956.c b/gcc/testsuite/gcc.dg/graphite/pr70956.c new file mode 100644 index 00000000000..31fc25f4638 --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/pr70956.c @@ -0,0 +1,4 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fgraphite-identity" } */ + +#include "../tree-ssa/vrp66.c" |