diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp b/contrib/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp new file mode 100644 index 000000000000..57cefae2066a --- /dev/null +++ b/contrib/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp @@ -0,0 +1,34 @@ +//===- BasicTargetTransformInfo.cpp - Basic target-independent TTI impl ---===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file provides the implementation of a basic TargetTransformInfo pass +/// predicated on the target abstractions present in the target independent +/// code generator. It uses these (primarily TargetLowering) to model as much +/// of the TTI query interface as possible. It is included by most targets so +/// that they can specialize only a small subset of the query space. +/// +//===----------------------------------------------------------------------===// + +#include "llvm/CodeGen/BasicTTIImpl.h" +#include "llvm/CodeGen/TargetSubtargetInfo.h" +#include "llvm/IR/Function.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Target/TargetMachine.h" + +using namespace llvm; + +// This flag is used by the template base class for BasicTTIImpl, and here to +// provide a definition. +cl::opt<unsigned> +llvm::PartialUnrollingThreshold("partial-unrolling-threshold", cl::init(0), + cl::desc("Threshold for partial unrolling"), + cl::Hidden); + +BasicTTIImpl::BasicTTIImpl(const TargetMachine *TM, const Function &F) + : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), + TLI(ST->getTargetLowering()) {} |