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[oota-llvm.git] / include / llvm / CodeGen / MachineBranchProbabilityInfo.h

diff --git a/include/llvm/CodeGen/MachineBranchProbabilityInfo.h b/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
index af4db7d6bde6d0e28369e5c3d8eac3e54f12d70d..1c9bdd954c334dcb4f5ef9f615d446f8a8483e6a 100644 (file)
--- a/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
+++ b/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
@@ -15,15 +15,13 @@
 #ifndef LLVM_CODEGEN_MACHINEBRANCHPROBABILITYINFO_H
 #define LLVM_CODEGEN_MACHINEBRANCHPROBABILITYINFO_H
 
+#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/BranchProbability.h"
 #include <climits>
 
 namespace llvm {
 
-class raw_ostream;
-class MachineBasicBlock;
-
 class MachineBranchProbabilityInfo : public ImmutablePass {
   virtual void anchor();
 
@@ -52,6 +50,11 @@ public:
   uint32_t getEdgeWeight(const MachineBasicBlock *Src,
                          const MachineBasicBlock *Dst) const;
 
+  // Same thing, but using a const_succ_iterator from Src. This is faster when
+  // the iterator is already available.
+  uint32_t getEdgeWeight(const MachineBasicBlock *Src,
+                         MachineBasicBlock::const_succ_iterator Dst) const;
+
   // Get sum of the block successors' weights, potentially scaling them to fit
   // within 32-bits. If scaling is required, sets Scale based on the necessary
   // adjustment. Any edge weights used with the sum should be divided by Scale.