Lines Matching full:dead
1 //===- DeadMachineInstructionElim.cpp - Remove dead machine instructions --===//
10 // This is an extremely simple MachineInstr-level dead-code-elimination pass.
27 STATISTIC(NumDeletes, "Number of dead instructions deleted");
51 INITIALIZE_PASS(DeadMachineInstructionElim, "dead-mi-elimination",
52 "Remove dead machine instructions", false, false)
83 // If there are no defs with uses, the instruction is dead.
97 // more likely that chains of dependent but ultimately dead instructions will
115 // Now scan the instructions and delete dead ones, tracking physreg
121 // If the instruction is dead, delete it!
159 // Register mask of preserved registers. All clobbers are dead.
