25   switch (cond->opcode()) {  in DecideCondition()
57   switch (node->opcode()) {  in Reduce()
80   DCHECK_EQ(IrOpcode::kBranch, node->opcode());  in ReduceBranch()
86   if (cond->opcode() == IrOpcode::kBooleanNot) {  in ReduceBranch()
88       switch (use->opcode()) {  in ReduceBranch()
112     switch (use->opcode()) {  in ReduceBranch()
128   DCHECK_EQ(IrOpcode::kMerge, node->opcode());  in ReduceMerge()
140       if (IrOpcode::IsPhiOpcode(use->opcode())) return NoChange();  in ReduceMerge()
144     if (if_true->opcode() != IrOpcode::kIfTrue) std::swap(if_true, if_false);  in ReduceMerge()
145     if (if_true->opcode() == IrOpcode::kIfTrue &&  in ReduceMerge()
146         if_false->opcode() == IrOpcode::kIfFalse &&  in ReduceMerge()
150       DCHECK_EQ(IrOpcode::kBranch, branch->opcode());  in ReduceMerge()
164   DCHECK_EQ(IrOpcode::kEffectPhi, node->opcode());  in ReduceEffectPhi()
168   DCHECK(IrOpcode::IsMergeOpcode(merge->opcode()));  in ReduceEffectPhi()
176       DCHECK_EQ(IrOpcode::kLoop, merge->opcode());  in ReduceEffectPhi()
188   DCHECK_EQ(IrOpcode::kPhi, node->opcode());  in ReducePhi()
192   DCHECK(IrOpcode::IsMergeOpcode(merge->opcode()));  in ReducePhi()
199     if (if_true->opcode() != IrOpcode::kIfTrue) {  in ReducePhi()
203     if (if_true->opcode() == IrOpcode::kIfTrue &&  in ReducePhi()
204         if_false->opcode() == IrOpcode::kIfFalse &&  in ReducePhi()
208       if (branch->opcode() != IrOpcode::kBranch) return NoChange();  in ReducePhi()
210       if (cond->opcode() == IrOpcode::kFloat32LessThan) {  in ReducePhi()
213             vfalse->opcode() == IrOpcode::kFloat32Sub) {  in ReducePhi()
232       } else if (cond->opcode() == IrOpcode::kFloat64LessThan) {  in ReducePhi()
235             vfalse->opcode() == IrOpcode::kFloat64Sub) {  in ReducePhi()
263       DCHECK_EQ(IrOpcode::kLoop, merge->opcode());  in ReducePhi()
275   DCHECK_EQ(IrOpcode::kReturn, node->opcode());  in ReduceReturn()
279   if (value->opcode() == IrOpcode::kPhi &&  in ReduceReturn()
281       effect->opcode() == IrOpcode::kEffectPhi &&  in ReduceReturn()
283       control->opcode() == IrOpcode::kMerge) {  in ReduceReturn()
288     DCHECK_EQ(IrOpcode::kEnd, graph()->end()->opcode());  in ReduceReturn()
308   DCHECK_EQ(IrOpcode::kSelect, node->opcode());  in ReduceSelect()
321   switch (cond->opcode()) {  in ReduceSelect()
325           vfalse->opcode() == IrOpcode::kFloat32Sub) {  in ReduceSelect()
343           vfalse->opcode() == IrOpcode::kFloat64Sub) {  in ReduceSelect()
366   DCHECK_EQ(IrOpcode::kGuard, node->opcode());  in ReduceGuard()