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Fixed some tests to avoid LiveIntervals::getInstructionFromIndex(..) overhead where possible. Thanks to Jakob for the suggestions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114798 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -349,10 +349,9 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(const CoalescerPair &CP,
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VNInfo *AValNo = ALR->valno;
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// If other defs can reach uses of this def, then it's not safe to perform
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// the optimization.
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MachineInstr *DefMI = li_->getInstructionFromIndex(AValNo->def);
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if (AValNo->isPHIDef() || DefMI == 0 || AValNo->isUnused() ||
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AValNo->hasPHIKill())
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if (AValNo->isPHIDef() || AValNo->isUnused() || AValNo->hasPHIKill())
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return false;
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MachineInstr *DefMI = li_->getInstructionFromIndex(AValNo->def);
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if (!DefMI)
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return false;
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const TargetInstrDesc &TID = DefMI->getDesc();
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@ -649,10 +648,11 @@ bool SimpleRegisterCoalescing::ReMaterializeTrivialDef(LiveInterval &SrcInt,
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VNInfo *ValNo = SrcLR->valno;
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// If other defs can reach uses of this def, then it's not safe to perform
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// the optimization.
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if (ValNo->isPHIDef() || li_->getInstructionFromIndex(ValNo->def)==0 ||
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ValNo->isUnused() || ValNo->hasPHIKill())
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if (ValNo->isPHIDef() || ValNo->isUnused() || ValNo->hasPHIKill())
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return false;
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MachineInstr *DefMI = li_->getInstructionFromIndex(ValNo->def);
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if (!DefMI)
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return false;
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assert(DefMI && "Defining instruction disappeared");
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const TargetInstrDesc &TID = DefMI->getDesc();
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if (!TID.isAsCheapAsAMove())
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