Move isSuccessor() offline, change it to use std::find.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37190 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 6 deletions

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 62394cf..b357858 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -217,12 +217,7 @@ public:
   
   /// isSuccessor - Return true if the specified MBB is a successor of this
   /// block.
-  bool isSuccessor(MachineBasicBlock *MBB) const {
-    for (const_succ_iterator I = succ_begin(), E = succ_end(); I != E; ++I)
-      if (*I == MBB)
-        return true;
-    return false;
-  }
+  bool isSuccessor(MachineBasicBlock *MBB) const;
 
   /// getFirstTerminator - returns an iterator to the first terminator
   /// instruction of this basic block. If a terminator does not exist,
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 3978035..44f7f90 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -192,3 +192,9 @@ void MachineBasicBlock::removePredecessor(MachineBasicBlock *pred) {
   assert(I != Predecessors.end() && "Pred is not a predecessor of this block!");
   Predecessors.erase(I);
 }
+
+bool MachineBasicBlock::isSuccessor(MachineBasicBlock *MBB) const {
+  std::vector<MachineBasicBlock *>::const_iterator I =
+    std::find(Successors.begin(), Successors.end(), MBB);
+  return I != Successors.end();
+}