Rewriter should definitly rewrite instructions inside bundles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148464 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 4b2bdca..5daa6a7 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -119,8 +119,8 @@
   for (MachineFunction::iterator MBBI = MF->begin(), MBBE = MF->end();
        MBBI != MBBE; ++MBBI) {
     DEBUG(MBBI->print(dbgs(), Indexes));
-    for (MachineBasicBlock::iterator MII = MBBI->begin(), MIE = MBBI->end();
-         MII != MIE;) {
+    for (MachineBasicBlock::instr_iterator
+           MII = MBBI->instr_begin(), MIE = MBBI->instr_end(); MII != MIE;) {
       MachineInstr *MI = MII;
       ++MII;