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| author | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
| commit | 9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a (patch) | |
| tree | b466a4817f79516eb1df8eae92bccf62ecc84003 /contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h | |
| parent | f09a28d1de99fda4f5517fb12670fc36552f4927 (diff) | |
| parent | e194cd6d03d91631334d9d5e55b506036f423cc8 (diff) | |
| download | FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.zip FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.tar.gz | |
Update llvm to trunk r256633.
Diffstat (limited to 'contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h')
| -rw-r--r-- | contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h b/contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h new file mode 100644 index 0000000..71ae17a --- /dev/null +++ b/contrib/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h @@ -0,0 +1,70 @@ +//===-- HexagonTargetTransformInfo.cpp - Hexagon specific TTI pass --------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +/// \file +/// This file implements a TargetTransformInfo analysis pass specific to the +/// Hexagon target machine. It uses the target's detailed information to provide +/// more precise answers to certain TTI queries, while letting the target +/// independent and default TTI implementations handle the rest. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETTRANSFORMINFO_H +#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETTRANSFORMINFO_H + +#include "Hexagon.h" +#include "HexagonTargetMachine.h" +#include "llvm/Analysis/TargetTransformInfo.h" +#include "llvm/CodeGen/BasicTTIImpl.h" +#include "llvm/Target/TargetLowering.h" + +namespace llvm { + +class HexagonTTIImpl : public BasicTTIImplBase<HexagonTTIImpl> { + typedef BasicTTIImplBase<HexagonTTIImpl> BaseT; + typedef TargetTransformInfo TTI; + friend BaseT; + + const HexagonSubtarget *ST; + const HexagonTargetLowering *TLI; + + const HexagonSubtarget *getST() const { return ST; } + const HexagonTargetLowering *getTLI() const { return TLI; } + +public: + explicit HexagonTTIImpl(const HexagonTargetMachine *TM, const Function &F) + : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), + TLI(ST->getTargetLowering()) {} + + // Provide value semantics. MSVC requires that we spell all of these out. + HexagonTTIImpl(const HexagonTTIImpl &Arg) + : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} + HexagonTTIImpl(HexagonTTIImpl &&Arg) + : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), + TLI(std::move(Arg.TLI)) {} + + /// \name Scalar TTI Implementations + /// @{ + + TTI::PopcntSupportKind getPopcntSupport(unsigned IntTyWidthInBit) const; + + // The Hexagon target can unroll loops with run-time trip counts. + void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP); + + /// @} + + /// \name Vector TTI Implementations + /// @{ + + unsigned getNumberOfRegisters(bool vector) const; + + /// @} +}; + +} // end namespace llvm + +#endif |
