44 строки
1.3 KiB
C++
44 строки
1.3 KiB
C++
//===-- DxilTargetTransformInfo.h - DXIL specific TTI -------*- C++ -*-===//
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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 declares a TargetTransformInfo analysis pass specific to the DXIL.
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/// Only implemented isSourceOfDivergence for DivergenceAnalysis.
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///
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//===----------------------------------------------------------------------===//
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#pragma once
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#include "llvm/CodeGen/BasicTTIImpl.h"
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namespace hlsl {
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class DxilModule;
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class OP;
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}
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namespace llvm {
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class DxilTTIImpl final : public BasicTTIImplBase<DxilTTIImpl> {
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typedef BasicTTIImplBase<DxilTTIImpl> BaseT;
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typedef TargetTransformInfo TTI;
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friend BaseT;
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hlsl::OP *m_pHlslOP;
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bool m_isThreadGroup;
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const TargetSubtargetInfo *getST() const { return nullptr; }
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const TargetLowering *getTLI() const { return nullptr; }
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public:
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explicit DxilTTIImpl(const TargetMachine *TM, const Function &F,
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hlsl::DxilModule &DM, bool ThreadGroup);
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bool hasBranchDivergence() { return true; }
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bool isSourceOfDivergence(const Value *V) const;
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};
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} // end namespace llvm
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