forked from OSchip/llvm-project
36 lines
1.5 KiB
C++
36 lines
1.5 KiB
C++
//===- BasicTargetTransformInfo.cpp - Basic target-independent TTI impl ---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file provides the implementation of a basic TargetTransformInfo pass
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/// predicated on the target abstractions present in the target independent
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/// code generator. It uses these (primarily TargetLowering) to model as much
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/// of the TTI query interface as possible. It is included by most targets so
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/// that they can specialize only a small subset of the query space.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/BasicTTIImpl.h"
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#include "llvm/CodeGen/TargetSubtargetInfo.h"
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#include "llvm/IR/Function.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Target/TargetMachine.h"
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using namespace llvm;
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// This flag is used by the template base class for BasicTTIImpl, and here to
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// provide a definition.
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cl::opt<unsigned>
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llvm::PartialUnrollingThreshold("partial-unrolling-threshold", cl::init(0),
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cl::desc("Threshold for partial unrolling"),
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cl::Hidden);
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BasicTTIImpl::BasicTTIImpl(const TargetMachine *TM, const Function &F)
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: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
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TLI(ST->getTargetLowering()) {}
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