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authorjamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4>2008-03-21 12:42:56 +0000
committerjamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4>2008-03-21 12:42:56 +0000
commit4cc34f6b649e487072e3f524a54e991b2018407a (patch)
treed7652aeb28de12dec7e472552b4b64b5b530229c /gcc/tree-data-ref.c
parent7eb7376baa7c4a02015dc9a34487b8c90654ec4e (diff)
downloadgcc-4cc34f6b649e487072e3f524a54e991b2018407a.tar.gz
2008-03-21 Martin Jambor <mjambor@suse.cz>
* tree-data-ref.c (dump_data_dependence_relation): Avoid data reference dumps if ddr is NULL or dependence is unknown. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133419 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-data-ref.c')
-rw-r--r--gcc/tree-data-ref.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c
index f8faed813c7..3a204d51621 100644
--- a/gcc/tree-data-ref.c
+++ b/gcc/tree-data-ref.c
@@ -358,17 +358,20 @@ dump_data_dependence_relation (FILE *outf,
{
struct data_reference *dra, *drb;
- dra = DDR_A (ddr);
- drb = DDR_B (ddr);
fprintf (outf, "(Data Dep: \n");
+ if (!ddr || DDR_ARE_DEPENDENT (ddr) == chrec_dont_know)
+ {
+ fprintf (outf, " (don't know)\n)\n");
+ return;
+ }
+
+ dra = DDR_A (ddr);
+ drb = DDR_B (ddr);
dump_data_reference (outf, dra);
dump_data_reference (outf, drb);
- if (DDR_ARE_DEPENDENT (ddr) == chrec_dont_know)
- fprintf (outf, " (don't know)\n");
-
- else if (DDR_ARE_DEPENDENT (ddr) == chrec_known)
+ if (DDR_ARE_DEPENDENT (ddr) == chrec_known)
fprintf (outf, " (no dependence)\n");
else if (DDR_ARE_DEPENDENT (ddr) == NULL_TREE)