X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineBasicBlock.cpp;h=1d68d7cd2b9dc541e2ad294da7d323c715f6f6a8;hb=236aa8a5032282d8793b537c0f3f7ffb381a83d4;hp=5cfeeb63a756af8e8989f5d9cdbff577b0eaf6e2;hpb=fed90b6d097d50881afb45e4d79f430db66dd741;p=oota-llvm.git

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 5cfeeb63a75..1d68d7cd2b9 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -221,7 +221,7 @@ MachineBasicBlock::succ_iterator
 MachineBasicBlock::removeSuccessor(succ_iterator I) {
   assert(I != Successors.end() && "Not a current successor!");
   (*I)->removePredecessor(this);
-  return(Successors.erase(I));
+  return Successors.erase(I);
 }
 
 void MachineBasicBlock::addPredecessor(MachineBasicBlock *pred) {
@@ -254,6 +254,11 @@ bool MachineBasicBlock::isSuccessor(MachineBasicBlock *MBB) const {
   return I != Successors.end();
 }
 
+bool MachineBasicBlock::isLayoutSuccessor(MachineBasicBlock *MBB) const {
+  MachineFunction::const_iterator I(this);
+  return next(I) == MachineFunction::const_iterator(MBB);
+}
+
 /// removeFromParent - This method unlinks 'this' from the containing function,
 /// and returns it, but does not delete it.
 MachineBasicBlock *MachineBasicBlock::removeFromParent() {
@@ -285,7 +290,8 @@ void MachineBasicBlock::ReplaceUsesOfBlockWith(MachineBasicBlock *Old,
     // Scan the operands of this machine instruction, replacing any uses of Old
     // with New.
     for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
-      if (I->getOperand(i).isMBB() && I->getOperand(i).getMBB() == Old)
+      if (I->getOperand(i).isMBB() &&
+          I->getOperand(i).getMBB() == Old)
         I->getOperand(i).setMBB(New);
   }