Method UpdateLoopMergeInst

source/opt/loop_descriptor.h:79–84

Updates the OpLoopMerge instruction to reflect the current state of the loop.

  // Updates the OpLoopMerge instruction to reflect the current state of the
  // loop.
  inline void UpdateLoopMergeInst() {
    assert(GetHeaderBlock()->GetLoopMergeInst() &&
           "The loop is not structured");
    Instruction* merge_inst = GetHeaderBlock()->GetLoopMergeInst();
    merge_inst->SetInOperand(0, {GetMergeBlock()->id()});
  }

  // Returns the continue target basic block. This is the block designated as
  // the continue target by the OpLoopMerge instruction.