Package org.jruby.compiler.ir.instructions

Examples of org.jruby.compiler.ir.instructions.Instr.markDead()

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            if (v != null) {
                DataFlowVar dv = lvp.getDFVar(v);
                    // If 'v' is not live at the instruction site, and it has no side effects, mark it dead!
                if ((_tmp.get(dv._id) == false) && !i.hasSideEffects()) {
//                    System.out.println("YES!");
                    i.markDead();
                    it.remove();
                }
                else if (_tmp.get(dv._id) == false) {
//                    System.out.println("NO!  has side effects! Op is: " + i.operation);
                }
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            if (val != null && res != null && res != val) {
                recordSimplification(res, val, valueMap, simplificationMap);

                if (val instanceof BreakResult) {
                    BreakResult br = (BreakResult)val;
                    i.markDead();
                    instrs.add(new CopyInstr(res, br._result));
                    instrs.add(new JumpInstr(br._jumpTarget));
                }
            }
            // Optimize some core class method calls for constant values
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                            }
                        }

                        // If we got a simplified value, mark the call dead and insert a copy in its place!
                        if (val != null) {
                            i.markDead();
                            instrs.add(new CopyInstr(res, val));
                            recordSimplification(res, val, valueMap, simplificationMap);
                        }
                    }
                }
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