[CodeGen] Unify MBB reference format in both MIR and debug output

As part of the unification of the debug format and the MIR format, print
MBB references as '%bb.5'.

The MIR printer prints the IR name of a MBB only for block definitions.

* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g'
* find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g'
* grep -nr 'BB#' and fix

Differential Revision: https://reviews.llvm.org/D40422

llvm-svn: 319665
diff --git a/llvm/lib/Target/Hexagon/HexagonOptAddrMode.cpp b/llvm/lib/Target/Hexagon/HexagonOptAddrMode.cpp
index f42b6ed..d97ed48 100644
--- a/llvm/lib/Target/Hexagon/HexagonOptAddrMode.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonOptAddrMode.cpp
@@ -461,7 +461,7 @@
     DEBUG(dbgs() << "[InstrNode]: " << Print<NodeAddr<InstrNode *>>(UseIA, *DFG)
                  << "\n");
     MachineInstr *UseMI = UseIA.Addr->getCode();
-    DEBUG(dbgs() << "[MI <BB#" << UseMI->getParent()->getNumber()
+    DEBUG(dbgs() << "[MI <" << printMBBReference(*UseMI->getParent())
                  << ">]: " << *UseMI << "\n");
     const MCInstrDesc &UseMID = UseMI->getDesc();
     assert(HII->getAddrMode(*UseMI) == HexagonII::BaseImmOffset);
@@ -570,7 +570,7 @@
 
       NodeAddr<StmtNode *> OwnerN = UseN.Addr->getOwner(*DFG);
       MachineInstr *UseMI = OwnerN.Addr->getCode();
-      DEBUG(dbgs() << "\t\t[MI <BB#" << UseMI->getParent()->getNumber()
+      DEBUG(dbgs() << "\t\t[MI <" << printMBBReference(*UseMI->getParent())
                    << ">]: " << *UseMI << "\n");
 
       int UseMOnum = -1;