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isa+cast -> dyncast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47320 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1220,8 +1220,8 @@ bool GVN::processInstruction(Instruction* I,
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if (dep == MemoryDependenceAnalysis::None ||
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dep == MemoryDependenceAnalysis::NonLocal)
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return false;
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if (isa<MemCpyInst>(dep))
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return processMemCpy(M, cast<MemCpyInst>(dep), toErase);
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if (MemCpyInst *MemCpy = dyn_cast<MemCpyInst>(dep))
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return processMemCpy(M, MemCpy, toErase);
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if (CallInst* C = dyn_cast<CallInst>(dep))
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return performReturnSlotOptzn(M, C, toErase);
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return false;
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