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kmp_taskdeps.cpp: Fix debugging output

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node->dn.task is only filled after the dependencies are already processed.
This currently leads to unhelpful output from KA_TRACE or even a crash
if one enables KMP_SUPPORT_GRAPH_OUTPUT.

llvm-svn: 277717
This commit is contained in:
Jonas Hahnfeld 2016-08-04 11:03:47 +00:00
parent 5d5ca9c0cb
commit 20236611d4
1 changed files with 5 additions and 3 deletions
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8
openmp/runtime/src/kmp_taskdeps.cpp
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@ -212,7 +212,9 @@ __kmp_track_dependence ( kmp_depnode_t *source, kmp_depnode_t *sink,
{
#ifdef KMP_SUPPORT_GRAPH_OUTPUT
kmp_taskdata_t * task_source = KMP_TASK_TO_TASKDATA(source->dn.task);
kmp_taskdata_t * task_sink = KMP_TASK_TO_TASKDATA(sink->dn.task); // this can be NULL when if(0) ...
// do not use sink->dn.task as that is only filled after the dependencies
// are already processed!
kmp_taskdata_t * task_sink = KMP_TASK_TO_TASKDATA(sink_task);
__kmp_printf("%d(%s) -> %d(%s)\n", source->dn.id, task_source->td_ident->psource, sink->dn.id, task_sink->td_ident->psource);
#endif
@ -261,7 +263,7 @@ __kmp_process_deps ( kmp_int32 gtid, kmp_depnode_t *node, kmp_dephash_t *hash,
__kmp_track_dependence(indep,node,task);
indep->dn.successors = __kmp_add_node(thread, indep->dn.successors, node);
KA_TRACE(40,("__kmp_process_deps<%d>: T#%d adding dependence from %p to %p\n",
filter,gtid, KMP_TASK_TO_TASKDATA(indep->dn.task), KMP_TASK_TO_TASKDATA(node->dn.task)));
filter,gtid, KMP_TASK_TO_TASKDATA(indep->dn.task), KMP_TASK_TO_TASKDATA(task)));
npredecessors++;
}
KMP_RELEASE_DEPNODE(gtid,indep);
@ -277,7 +279,7 @@ __kmp_process_deps ( kmp_int32 gtid, kmp_depnode_t *node, kmp_dephash_t *hash,
__kmp_track_dependence(last_out,node,task);
last_out->dn.successors = __kmp_add_node(thread, last_out->dn.successors, node);
KA_TRACE(40,("__kmp_process_deps<%d>: T#%d adding dependence from %p to %p\n",
filter,gtid, KMP_TASK_TO_TASKDATA(last_out->dn.task), KMP_TASK_TO_TASKDATA(node->dn.task)));
filter,gtid, KMP_TASK_TO_TASKDATA(last_out->dn.task), KMP_TASK_TO_TASKDATA(task)));
npredecessors++;
}