1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/LiveRegUnits.h b/llvm/include/llvm/CodeGen/LiveRegUnits.h
index 314afad92970..1ed091e3bb5e 100644
--- a/llvm/include/llvm/CodeGen/LiveRegUnits.h
+++ b/llvm/include/llvm/CodeGen/LiveRegUnits.h
@@ -160,6 +160,19 @@ private:
   void addPristines(const MachineFunction &MF);
 };
 
+/// Returns an iterator range over all physical register and mask operands for
+/// \p MI and bundled instructions. This also skips any debug operands.
+inline iterator_range<filter_iterator<
+    ConstMIBundleOperands, std::function<bool(const MachineOperand &)>>>
+phys_regs_and_masks(const MachineInstr &MI) {
+  std::function<bool(const MachineOperand &)> Pred =
+      [](const MachineOperand &MOP) {
+        return MOP.isRegMask() || (MOP.isReg() && !MOP.isDebug() &&
+                                   Register::isPhysicalRegister(MOP.getReg()));
+      };
+  return make_filter_range(const_mi_bundle_ops(MI), Pred);
+}
+
 } // end namespace llvm
 
 #endif // LLVM_CODEGEN_LIVEREGUNITS_H