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//===-- ResetMachineFunctionPass.cpp - Machine Loop Invariant Code Motion Pass ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/Support/Debug.h"
using namespace llvm;
#define DEBUG_TYPE "reset-machine-function"
namespace {
class ResetMachineFunction : public MachineFunctionPass {
public:
static char ID; // Pass identification, replacement for typeid
ResetMachineFunction() :
MachineFunctionPass(ID) {
}
const char *getPassName() const override {
return "ResetMachineFunction";
}
bool runOnMachineFunction(MachineFunction &MF) override {
if (MF.getProperties().hasProperty(
MachineFunctionProperties::Property::FailedISel)) {
DEBUG(dbgs() << "Reseting: " << MF.getName() << '\n');
MF.reset();
return true;
}
return false;
}
};
} // end anonymous namespace
char ResetMachineFunction::ID = 0;
INITIALIZE_PASS(ResetMachineFunction, DEBUG_TYPE,
"reset machine function if ISel failed", false, false)
MachineFunctionPass *
llvm::createResetMachineFunctionPass() {
return new ResetMachineFunction();
}
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