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| author | Chris Lattner <sabre@nondot.org> | 2007-02-04 08:47:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-02-04 08:47:20 +0000 |
| commit | 831e0374a7da654071279f2b1f93f52f7eeb5eae (patch) | |
| tree | 6306da1f2ccf2a509170fb331d8d4334193dddf6 /include/llvm/CodeGen/ScheduleDAG.h | |
| parent | 3f97eb449b08069e3370d4ba7566c60bdbf0babd (diff) | |
| download | llvm-831e0374a7da654071279f2b1f93f52f7eeb5eae.tar.gz llvm-831e0374a7da654071279f2b1f93f52f7eeb5eae.tar.bz2 llvm-831e0374a7da654071279f2b1f93f52f7eeb5eae.tar.xz | |
switch the VRBaseMap in the scheduler from an std::map to a DenseMap. This
speeds up the isel pass from 2.5570s to 2.4722s on kc++ (3.4%).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33879 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, 2 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index e205306fa7..f934cf327e 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -240,7 +240,7 @@ namespace llvm { /// VRBaseMap contains, for each already emitted node, the first virtual /// register number for the results of the node. /// - void EmitNode(SDNode *Node, std::map<SDNode*, unsigned> &VRBaseMap); + void EmitNode(SDNode *Node, DenseMap<SDNode*, unsigned> &VRBaseMap); /// EmitNoop - Emit a noop instruction. /// @@ -257,7 +257,7 @@ namespace llvm { private: void AddOperand(MachineInstr *MI, SDOperand Op, unsigned IIOpNum, const TargetInstrDescriptor *II, - std::map<SDNode*, unsigned> &VRBaseMap); + DenseMap<SDNode*, unsigned> &VRBaseMap); }; /// createBFS_DAGScheduler - This creates a simple breadth first instruction |