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Fix PR2112: don't run loop aligner if target doesn't have a TargetLowering object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47755 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -24,8 +24,6 @@ using namespace llvm;
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namespace {
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class LoopAligner : public MachineFunctionPass {
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const TargetLowering *TLI;
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public:
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static char ID;
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LoopAligner() : MachineFunctionPass((intptr_t)&ID) {}
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@ -51,7 +49,11 @@ bool LoopAligner::runOnMachineFunction(MachineFunction &MF) {
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if (MLI->begin() == MLI->end())
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return false; // No loops.
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unsigned Align = MF.getTarget().getTargetLowering()->getPrefLoopAlignment();
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const TargetLowering *TLI = MF.getTarget().getTargetLowering();
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if (!TLI)
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return false;
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unsigned Align = TLI->getPrefLoopAlignment();
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if (!Align)
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return false; // Don't care about loop alignment.
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