Enhance finalizeBundle to return end of bundle iterator because it makes sense.

llvm-svn: 148462

1 files changed, 6 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/MachineInstrBundle.cpp b/llvm/lib/CodeGen/MachineInstrBundle.cpp
index 7873fd0..23dc796 100644
--- a/llvm/lib/CodeGen/MachineInstrBundle.cpp
+++ b/llvm/lib/CodeGen/MachineInstrBundle.cpp
@@ -184,12 +184,15 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
 /// finalizeBundle - Same functionality as the previous finalizeBundle except
 /// the last instruction in the bundle is not provided as an input. This is
 /// used in cases where bundles are pre-determined by marking instructions
-/// with 'InsideBundle' marker.
-void llvm::finalizeBundle(MachineBasicBlock &MBB,
-                          MachineBasicBlock::instr_iterator FirstMI) {
+/// with 'InsideBundle' marker. It returns the MBB instruction iterator that
+/// points to the end of the bundle.
+MachineBasicBlock::instr_iterator
+llvm::finalizeBundle(MachineBasicBlock &MBB,
+                     MachineBasicBlock::instr_iterator FirstMI) {
   MachineBasicBlock::instr_iterator E = MBB.instr_end();
   MachineBasicBlock::instr_iterator LastMI = llvm::next(FirstMI);
   while (LastMI != E && LastMI->isInsideBundle())
     ++LastMI;
   finalizeBundle(MBB, FirstMI, LastMI);
+  return LastMI;
 }