First chunk of MachineInstr bundle support.
1. Added opcode BUNDLE
2. Taught MachineInstr class to deal with bundled MIs
3. Changed MachineBasicBlock iterator to skip over bundled MIs; added an iterator to walk all the MIs
4. Taught MachineBasicBlock methods about bundled MIs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145975 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PTX/PTXInstrInfo.cpp b/lib/Target/PTX/PTXInstrInfo.cpp
index 1b947a5..0190a85 100644
--- a/lib/Target/PTX/PTXInstrInfo.cpp
+++ b/lib/Target/PTX/PTXInstrInfo.cpp
@@ -184,7 +184,7 @@
if (MBB.empty())
return true;
- MachineBasicBlock::const_iterator iter = MBB.end();
+ MachineBasicBlock::iterator iter = MBB.end();
const MachineInstr& instLast1 = *--iter;
const MCInstrDesc &desc1 = instLast1.getDesc();
// for special case that MBB has only 1 instruction