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b84822fb7b
MachineFunctionAnalysis dole them out, instead of having AsmPrinter do both. Have the AsmPrinter::SetupMachineFunction method set the 'AsmPrinter::MF' variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94509 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
//===-- MachineFunctionAnalysis.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 MachineFunctionAnalysis members.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineFunctionAnalysis.h"
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#include "llvm/CodeGen/MachineFunction.h"
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using namespace llvm;
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// Register this pass with PassInfo directly to avoid having to define
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// a default constructor.
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static PassInfo
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X("Machine Function Analysis", "machine-function-analysis",
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intptr_t(&MachineFunctionAnalysis::ID), 0,
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/*CFGOnly=*/false, /*is_analysis=*/true);
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char MachineFunctionAnalysis::ID = 0;
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MachineFunctionAnalysis::MachineFunctionAnalysis(const TargetMachine &tm,
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CodeGenOpt::Level OL) :
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FunctionPass(&ID), TM(tm), OptLevel(OL), MF(0) {
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}
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MachineFunctionAnalysis::~MachineFunctionAnalysis() {
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releaseMemory();
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assert(!MF && "MachineFunctionAnalysis left initialized!");
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}
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bool MachineFunctionAnalysis::runOnFunction(Function &F) {
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assert(!MF && "MachineFunctionAnalysis already initialized!");
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MF = new MachineFunction(&F, TM, NextFnNum++);
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return false;
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}
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void MachineFunctionAnalysis::releaseMemory() {
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delete MF;
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MF = 0;
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}
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void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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