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

llvm-svn: 150044

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index de2082a..fc5822d 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/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();