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TwoAddressInstructionPass.cpp 36.9 KiB
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Evan Cheng's avatar
Enable two-address remat by default.  
Evan Cheng committed
1001 1002 1003 
    if (MRI->use_empty(VReg)) {
      MachineInstr *DefMI = MRI->getVRegDef(VReg);
      DefMI->eraseFromParent();
Bill Wendling's avatar
The enabling of remat in 2-address conversion breaks this test:  
Bill Wendling committed
1004 
    }
Evan Cheng's avatar
Enable two-address remat by default.  
Evan Cheng committed
1005 
    VReg = ReMatRegs.find_next(VReg);
Bill Wendling's avatar
A problem that's exposed when machine LICM is enabled. Consider this code:  
Bill Wendling committed
1006 1007 
  }
Misha Brukman's avatar
Fix indentation and wrap code at 80 cols  
Misha Brukman committed
1008 
  return MadeChange;
Alkis Evlogimenos's avatar
Add TwoAddressInstructionPass to handle instructions that have two or
Alkis Evlogimenos committed
1009 
}
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