Print basic block boundaries in machine instruction debug output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11704 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 25c37f6..357a9fc 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -360,6 +360,7 @@
     DEBUG(
         for (MachineFunction::iterator mbbi = mf_->begin(), mbbe = mf_->end();
              mbbi != mbbe; ++mbbi) {
+            std::cerr << mbbi->getBasicBlock()->getName() << ":\n";
             for (MachineBasicBlock::iterator mii = mbbi->begin(),
                      mie = mbbi->end(); mii != mie; ++mii) {
                 unsigned index = li_->getInstructionIndex(mii);