6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===- MachineUniformityAnalysis.h ---------------------------*- 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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//
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/// \file
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/// \brief Machine IR instance of the generic uniformity analysis
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINEUNIFORMITYANALYSIS_H
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#define LLVM_CODEGEN_MACHINEUNIFORMITYANALYSIS_H
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#include "llvm/ADT/GenericUniformityInfo.h"
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#include "llvm/CodeGen/MachineCycleAnalysis.h"
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#include "llvm/CodeGen/MachineDominators.h"
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#include "llvm/CodeGen/MachineSSAContext.h"
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namespace llvm {
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extern template class GenericUniformityInfo<MachineSSAContext>;
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using MachineUniformityInfo = GenericUniformityInfo<MachineSSAContext>;
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/// \brief Compute uniformity information for a Machine IR function.
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///
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/// If \p HasBranchDivergence is false, produces a dummy result which assumes
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/// everything is uniform.
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MachineUniformityInfo computeMachineUniformityInfo(
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MachineFunction &F, const MachineCycleInfo &cycleInfo,
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const MachineDominatorTree &domTree, bool HasBranchDivergence);
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/// Legacy analysis pass which computes a \ref MachineUniformityInfo.
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class MachineUniformityAnalysisPass : public MachineFunctionPass {
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MachineUniformityInfo UI;
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public:
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static char ID;
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MachineUniformityAnalysisPass();
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MachineUniformityInfo &getUniformityInfo() { return UI; }
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const MachineUniformityInfo &getUniformityInfo() const { return UI; }
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bool runOnMachineFunction(MachineFunction &F) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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void print(raw_ostream &OS, const Module *M = nullptr) const override;
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// TODO: verify analysis
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};
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} // namespace llvm
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#endif // LLVM_CODEGEN_MACHINEUNIFORMITYANALYSIS_H
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