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| author | Andrew Trick <atrick@apple.com> | 2013-01-25 06:33:57 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-01-25 06:33:57 +0000 |
| commit | 4e1fb1894048455d49d62543b3f83672b27b0000 (patch) | |
| tree | f5ea7b8bbf85ae1eb6c83753e07836868f292793 /include/llvm/CodeGen/ScheduleDFS.h | |
| parent | 827de0520ee986fcda5f0d3290a3746249fa5847 (diff) | |
| download | external_llvm-4e1fb1894048455d49d62543b3f83672b27b0000.zip external_llvm-4e1fb1894048455d49d62543b3f83672b27b0000.tar.gz external_llvm-4e1fb1894048455d49d62543b3f83672b27b0000.tar.bz2 | |
MIsched: Improve the interface to SchedDFS analysis (subtrees).
Allow the strategy to select SchedDFS. Allow the results of SchedDFS
to affect initialization of the scheduler state.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173425 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/ScheduleDFS.h')
| -rw-r--r-- | include/llvm/CodeGen/ScheduleDFS.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/ScheduleDFS.h b/include/llvm/CodeGen/ScheduleDFS.h index 54b2232..e079292 100644 --- a/include/llvm/CodeGen/ScheduleDFS.h +++ b/include/llvm/CodeGen/ScheduleDFS.h @@ -127,7 +127,7 @@ public: } /// \brief Compute various metrics for the DAG with given roots. - void compute(ArrayRef<SUnit *> Roots); + void compute(ArrayRef<SUnit> SUnits); /// \brief Get the ILP value for a DAG node. /// @@ -140,7 +140,12 @@ public: unsigned getNumSubtrees() const { return SubtreeConnectLevels.size(); } /// \brief Get the ID of the subtree the given DAG node belongs to. + /// + /// For convenience, if DFSResults have not been computed yet, give everything + /// tree ID 0. unsigned getSubtreeID(const SUnit *SU) const { + if (empty()) + return 0; assert(SU->NodeNum < DFSData.size() && "New Node"); return DFSData[SU->NodeNum].SubtreeID; } |