Fix a GCC buildbot that seemed to be having trouble producing the implicit move ctor

[oota-llvm.git] / lib / CodeGen / MachineBasicBlock.cpp

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index f60e6bdf2cf7be2bc91e31c894f374a42a488032..5d3f7ebaed295ec90eac46acd0b1a5844d510179 100644 (file)
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -332,6 +332,11 @@ void MachineBasicBlock::removeLiveIn(unsigned Reg) {
     LiveIns.erase(I);
 }
 
+bool MachineBasicBlock::isLiveIn(unsigned Reg) const {
+  livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
+  return I != livein_end();
+}
+
 unsigned
 MachineBasicBlock::addLiveIn(unsigned PhysReg, const TargetRegisterClass *RC) {
   assert(getParent() && "MBB must be inserted in function");