From b5500b9ca0102f1ccaf32f0e77e96d0739aded9b Mon Sep 17 00:00:00 2001 From: pascal Date: Sat, 3 Sep 2016 22:46:54 +0000 Subject: Use the space freed up by sparc and zaurus to import LLVM. ok hackroom@ --- gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp | 60 ++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp (limited to 'gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp') diff --git a/gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp b/gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp new file mode 100644 index 00000000000..338cd1e2203 --- /dev/null +++ b/gnu/llvm/lib/CodeGen/MachineFunctionAnalysis.cpp @@ -0,0 +1,60 @@ +//===-- MachineFunctionAnalysis.cpp ---------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the definitions of the MachineFunctionAnalysis members. +// +//===----------------------------------------------------------------------===// + +#include "llvm/CodeGen/MachineFunctionAnalysis.h" +#include "llvm/CodeGen/GCMetadata.h" +#include "llvm/CodeGen/MachineFunction.h" +#include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/MachineFunctionInitializer.h" +using namespace llvm; + +char MachineFunctionAnalysis::ID = 0; + +MachineFunctionAnalysis::MachineFunctionAnalysis( + const TargetMachine &tm, MachineFunctionInitializer *MFInitializer) + : FunctionPass(ID), TM(tm), MF(nullptr), MFInitializer(MFInitializer) { + initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry()); +} + +MachineFunctionAnalysis::~MachineFunctionAnalysis() { + releaseMemory(); + assert(!MF && "MachineFunctionAnalysis left initialized!"); +} + +void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + AU.addRequired(); +} + +bool MachineFunctionAnalysis::doInitialization(Module &M) { + MachineModuleInfo *MMI = getAnalysisIfAvailable(); + assert(MMI && "MMI not around yet??"); + MMI->setModule(&M); + NextFnNum = 0; + return false; +} + + +bool MachineFunctionAnalysis::runOnFunction(Function &F) { + assert(!MF && "MachineFunctionAnalysis already initialized!"); + MF = new MachineFunction(&F, TM, NextFnNum++, + getAnalysis()); + if (MFInitializer) + MFInitializer->initializeMachineFunction(*MF); + return false; +} + +void MachineFunctionAnalysis::releaseMemory() { + delete MF; + MF = nullptr; +} -- cgit v1.2.3-59-g8ed1b