Added MachineInstr::isBundled() to check if an instruction is part of a bundle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150044 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineInstr.h

@@ -230,6 +230,10 @@ public:
       clearFlag(InsideBundle);
   }
 
+  /// isBundled - Return true if this instruction part of a bundle. This is true
+  /// if either itself or its following instruction is marked "InsideBundle".
+  bool isBundled() const;
+
   /// getDebugLoc - Returns the debug location id of this MachineInstr.
   ///
   DebugLoc getDebugLoc() const { return debugLoc; }

lib/CodeGen/LiveIntervalAnalysis.cpp

@@ -904,7 +904,7 @@ void LiveIntervals::moveInstr(MachineBasicBlock::iterator insertPt,
   assert((insertPt == mbb->end() || insertPt->getParent() == mbb) &&
          "Cannot handle moves across basic block boundaries.");
   assert(&*insertPt != mi && "No-op move requested?");
-  assert(!mi->isInsideBundle() && "Can't handle bundled instructions yet.");
+  assert(!mi->isBundled() && "Can't handle bundled instructions yet.");
 
   // Grab the original instruction index.
   SlotIndex origIdx = indexes_->getInstructionIndex(mi);

lib/CodeGen/MachineInstr.cpp

@@ -890,6 +890,16 @@ unsigned MachineInstr::getNumExplicitOperands() const {
   return NumOperands;
 }
 
+/// isBundled - Return true if this instruction part of a bundle. This is true
+/// if either itself or its following instruction is marked "InsideBundle".
+bool MachineInstr::isBundled() const {
+  if (isInsideBundle())
+    return true;
+  MachineBasicBlock::const_instr_iterator nextMI = this;
+  ++nextMI;
+  return nextMI != Parent->instr_end() && nextMI->isInsideBundle();
+}
+
 bool MachineInstr::isStackAligningInlineAsm() const {
   if (isInlineAsm()) {
     unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();