forked from OSchip/llvm-project
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
//===- PassManager.cpp - Infrastructure for managing & running IR passes --===//
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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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#include "llvm/ADT/STLExtras.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/PassManager.h"
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using namespace llvm;
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char FunctionAnalysisManagerModuleProxy::PassID;
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FunctionAnalysisManagerModuleProxy::Result
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FunctionAnalysisManagerModuleProxy::run(Module &M) {
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assert(FAM->empty() && "Function analyses ran prior to the module proxy!");
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return Result(*FAM);
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}
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FunctionAnalysisManagerModuleProxy::Result::~Result() {
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// Clear out the analysis manager if we're being destroyed -- it means we
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// didn't even see an invalidate call when we got invalidated.
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FAM->clear();
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}
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bool FunctionAnalysisManagerModuleProxy::Result::invalidate(
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Module &M, const PreservedAnalyses &PA) {
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// If this proxy isn't marked as preserved, then we can't even invalidate
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// individual function analyses, there may be an invalid set of Function
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// objects in the cache making it impossible to incrementally preserve them.
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// Just clear the entire manager.
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if (!PA.preserved(ID()))
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FAM->clear();
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// Return false to indicate that this result is still a valid proxy.
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return false;
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}
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char ModuleAnalysisManagerFunctionProxy::PassID;
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