f7a8d201e3
Also add boilerplate to have a live instance when running opt configured from CommandFlags / TargetOptions.
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
//===- RuntimeLibcallInfo.cpp ---------------------------------------------===//
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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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#include "llvm/Analysis/RuntimeLibcallInfo.h"
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#include "llvm/InitializePasses.h"
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using namespace llvm;
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AnalysisKey RuntimeLibraryAnalysis::Key;
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RTLIB::RuntimeLibcallsInfo
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RuntimeLibraryAnalysis::run(const Module &M, ModuleAnalysisManager &) {
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if (!LibcallsInfo)
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LibcallsInfo = RTLIB::RuntimeLibcallsInfo(M);
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return *LibcallsInfo;
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}
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INITIALIZE_PASS(RuntimeLibraryInfoWrapper, "runtime-library-info",
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"Runtime Library Function Analysis", false, true)
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RuntimeLibraryInfoWrapper::RuntimeLibraryInfoWrapper()
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: ImmutablePass(ID), RTLA(RTLIB::RuntimeLibcallsInfo(Triple())) {}
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char RuntimeLibraryInfoWrapper::ID = 0;
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ModulePass *llvm::createRuntimeLibraryInfoWrapperPass() {
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return new RuntimeLibraryInfoWrapper();
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}
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void RuntimeLibraryInfoWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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// Assume this is stable unless explicitly invalidated.
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bool RTLIB::RuntimeLibcallsInfo::invalidate(
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Module &M, const PreservedAnalyses &PA,
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ModuleAnalysisManager::Invalidator &) {
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auto PAC = PA.getChecker<RuntimeLibraryAnalysis>();
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return !PAC.preservedWhenStateless();
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}
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