llvm-6502/lib/CodeGen/MachineFunctionAnalysis.cpp
Dan Gohman f94083333c Give MachineFunctionAnalysis a destructor so it can verify that
that it released its allocated memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77775 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-01 04:19:43 +00:00

50 lines
1.6 KiB
C++

//===-- 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/MachineFunction.h"
using namespace llvm;
// Register this pass with PassInfo directly to avoid having to define
// a default constructor.
static PassInfo
X("Machine Function Analysis", "machine-function-analysis",
intptr_t(&MachineFunctionAnalysis::ID), 0,
/*CFGOnly=*/false, /*is_analysis=*/true);
char MachineFunctionAnalysis::ID = 0;
MachineFunctionAnalysis::MachineFunctionAnalysis(TargetMachine &tm,
CodeGenOpt::Level OL) :
FunctionPass(&ID), TM(tm), OptLevel(OL), MF(0) {
}
MachineFunctionAnalysis::~MachineFunctionAnalysis() {
assert(!MF && "MachineFunctionAnalysis left initialized!");
}
bool MachineFunctionAnalysis::runOnFunction(Function &F) {
assert(!MF && "MachineFunctionAnalysis already initialized!");
MF = new MachineFunction(&F, TM);
return false;
}
void MachineFunctionAnalysis::releaseMemory() {
delete MF;
MF = 0;
}
void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}