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Remove redundant condition (PR28800) NFCI.

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'A || (!A && B)' is equivalent to 'A || B':

(LoopCycle > DefCycle) || (LoopCycle <= DefCycle && LoopStage <= DefStage)
-->
(LoopCycle > DefCycle) || (LoopStage <= DefStage)

llvm-svn: 286811
This commit is contained in:
Simon Pilgrim 2016-11-14 10:40:23 +00:00
parent ddec320d9c
commit cbefc837ea
1 changed files with 1 additions and 2 deletions
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3
lib/CodeGen/MachinePipeliner.cpp
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@ -3805,8 +3805,7 @@ bool SMSchedule::isLoopCarried(SwingSchedulerDAG *SSD, MachineInstr &Phi) {
return true;
unsigned LoopCycle = cycleScheduled(UseSU);
int LoopStage = stageScheduled(UseSU);
return LoopCycle > DefCycle ||
(LoopCycle <= DefCycle && LoopStage <= DefStage);
return (LoopCycle > DefCycle) || (LoopStage <= DefStage);
}
/// Return true if the instruction is a definition that is loop carried