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4913b3f2cf
When printing the properties required by a pass, only print the properties that are set, and not those that are clear (only properties that are set are verified, clear properties are "don't-care"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267070 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
//===-- MachineFunctionPass.cpp -------------------------------------------===//
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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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//
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// This file contains the definitions of the MachineFunctionPass members.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/Analysis/AliasAnalysis.h"
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#include "llvm/Analysis/BasicAliasAnalysis.h"
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#include "llvm/Analysis/DominanceFrontier.h"
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#include "llvm/Analysis/GlobalsModRef.h"
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#include "llvm/Analysis/IVUsers.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Analysis/MemoryDependenceAnalysis.h"
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#include "llvm/Analysis/ScalarEvolution.h"
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#include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineFunctionAnalysis.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/CodeGen/StackProtector.h"
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#include "llvm/IR/Dominators.h"
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#include "llvm/IR/Function.h"
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using namespace llvm;
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Pass *MachineFunctionPass::createPrinterPass(raw_ostream &O,
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const std::string &Banner) const {
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return createMachineFunctionPrinterPass(O, Banner);
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}
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bool MachineFunctionPass::runOnFunction(Function &F) {
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// Do not codegen any 'available_externally' functions at all, they have
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// definitions outside the translation unit.
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if (F.hasAvailableExternallyLinkage())
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return false;
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MachineFunction &MF = getAnalysis<MachineFunctionAnalysis>().getMF();
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MachineFunctionProperties &MFProps = MF.getProperties();
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#ifndef NDEBUG
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if (!MFProps.verifyRequiredProperties(RequiredProperties)) {
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errs() << "MachineFunctionProperties required by " << getPassName()
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<< " pass are not met by function " << F.getName() << ".\n"
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<< "Required properties: ";
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RequiredProperties.print(errs(), /*OnlySet=*/true);
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errs() << "\nCurrent properties: ";
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MFProps.print(errs());
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errs() << "\n";
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llvm_unreachable("MachineFunctionProperties check failed");
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}
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#endif
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bool RV = runOnMachineFunction(MF);
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MFProps.set(SetProperties);
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MFProps.clear(ClearedProperties);
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return RV;
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}
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void MachineFunctionPass::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.addRequired<MachineFunctionAnalysis>();
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AU.addPreserved<MachineFunctionAnalysis>();
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// MachineFunctionPass preserves all LLVM IR passes, but there's no
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// high-level way to express this. Instead, just list a bunch of
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// passes explicitly. This does not include setPreservesCFG,
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// because CodeGen overloads that to mean preserving the MachineBasicBlock
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// CFG in addition to the LLVM IR CFG.
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AU.addPreserved<BasicAAWrapperPass>();
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AU.addPreserved<DominanceFrontierWrapperPass>();
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AU.addPreserved<DominatorTreeWrapperPass>();
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AU.addPreserved<AAResultsWrapperPass>();
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AU.addPreserved<GlobalsAAWrapperPass>();
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AU.addPreserved<IVUsers>();
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AU.addPreserved<LoopInfoWrapperPass>();
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AU.addPreserved<MemoryDependenceWrapperPass>();
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AU.addPreserved<ScalarEvolutionWrapperPass>();
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AU.addPreserved<SCEVAAWrapperPass>();
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AU.addPreserved<StackProtector>();
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FunctionPass::getAnalysisUsage(AU);
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}
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