diff options
| author | Andrew Trick <atrick@apple.com> | 2013-01-24 02:09:55 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-01-24 02:09:55 +0000 |
| commit | 66658dd9a1ffe00a5f6e0afca7afb16ec6704ed3 (patch) | |
| tree | 994353b4a50242a0e74489a2e63e86c4a7849795 /include/llvm/CodeGen/ScheduleDAG.h | |
| parent | e35badad221354a53bc07a523120ed82d93e0569 (diff) | |
MIsched: Added biasCriticalPath.
Allow schedulers to order DAG edges by critical path. This makes
DFS-based heuristics more stable and effective.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173317 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/ScheduleDAG.h')
| -rw-r--r-- | include/llvm/CodeGen/ScheduleDAG.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index aa91b0300a..9f4f66f860 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -455,6 +455,10 @@ namespace llvm { return NumSuccsLeft == 0; } + /// \brief Order this node's predecessor edges such that the critical path + /// edge occurs first. + void biasCriticalPath(); + void dump(const ScheduleDAG *G) const; void dumpAll(const ScheduleDAG *G) const; void print(raw_ostream &O, const ScheduleDAG *G) const; |