69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//===- IPO/OpenMPOpt.h - Collection of OpenMP optimizations -----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_IPO_OPENMPOPT_H
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#define LLVM_TRANSFORMS_IPO_OPENMPOPT_H
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#include "llvm/Analysis/CGSCCPassManager.h"
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#include "llvm/Analysis/LazyCallGraph.h"
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#include "llvm/IR/PassManager.h"
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namespace llvm {
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namespace omp {
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/// Summary of a kernel (=entry point for target offloading).
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using Kernel = Function *;
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/// Set of kernels in the module
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using KernelSet = SetVector<Kernel>;
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/// Helper to determine if \p M contains OpenMP.
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LLVM_ABI bool containsOpenMP(Module &M);
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/// Helper to determine if \p M is a OpenMP target offloading device module.
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LLVM_ABI bool isOpenMPDevice(Module &M);
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/// Return true iff \p Fn is an OpenMP GPU kernel; \p Fn has the "kernel"
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/// attribute.
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LLVM_ABI bool isOpenMPKernel(Function &Fn);
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/// Get OpenMP device kernels in \p M.
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LLVM_ABI KernelSet getDeviceKernels(Module &M);
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} // namespace omp
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/// OpenMP optimizations pass.
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class OpenMPOptPass : public OptionalPassInfoMixin<OpenMPOptPass> {
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public:
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OpenMPOptPass() = default;
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OpenMPOptPass(ThinOrFullLTOPhase LTOPhase) : LTOPhase(LTOPhase) {}
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LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
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private:
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const ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None;
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};
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class OpenMPOptCGSCCPass : public OptionalPassInfoMixin<OpenMPOptCGSCCPass> {
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public:
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OpenMPOptCGSCCPass() = default;
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OpenMPOptCGSCCPass(ThinOrFullLTOPhase LTOPhase) : LTOPhase(LTOPhase) {}
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LLVM_ABI PreservedAnalyses run(LazyCallGraph::SCC &C,
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CGSCCAnalysisManager &AM, LazyCallGraph &CG,
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CGSCCUpdateResult &UR);
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private:
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const ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None;
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};
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_IPO_OPENMPOPT_H
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