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| author | Jakub Staszak <jstaszak@apple.com> | 2011-06-16 20:22:37 +0000 |
|---|---|---|
| committer | Jakub Staszak <jstaszak@apple.com> | 2011-06-16 20:22:37 +0000 |
| commit | 7cc2b07437a1243c33324549a1904fefc5f1845e (patch) | |
| tree | 98fdfe4b06c5b320c982c137fbdd4e292af9f330 /lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | |
| parent | 1300f3019e5d590231bbc3d907626708515d3212 (diff) | |
| download | llvm-7cc2b07437a1243c33324549a1904fefc5f1845e.tar.gz llvm-7cc2b07437a1243c33324549a1904fefc5f1845e.tar.bz2 llvm-7cc2b07437a1243c33324549a1904fefc5f1845e.tar.xz | |
Introduce MachineBranchProbabilityInfo class, which has similar API to
BranchProbabilityInfo (expect setEdgeWeight which is not available here).
Branch Weights are kept in MachineBasicBlocks. To turn off this analysis
set -use-mbpi=false.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133184 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h index 8376d41e15..a1ca891148 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h @@ -434,6 +434,9 @@ private: const Value* SV, MachineBasicBlock* Default, MachineBasicBlock *SwitchBB); + + uint32_t getEdgeWeight(MachineBasicBlock *Src, MachineBasicBlock *Dst); + void addSuccessorWithWeight(MachineBasicBlock *Src, MachineBasicBlock *Dst); public: void visitSwitchCase(CaseBlock &CB, MachineBasicBlock *SwitchBB); |