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//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the LLVM Pass Manager infrastructure.
//
//===----------------------------------------------------------------------===//
#include "llvm/PassManager.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
using namespace llvm;
/// BasicBlockPassManager implementation
/// Add pass P into PassVector and return TRUE. If this pass is not
/// manageable by this manager then return FALSE.
bool
BasicBlockPassManager_New::addPass (Pass *P) {
BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P);
if (!BP)
return false;
// TODO: Check if it suitable to manage P using this BasicBlockPassManager
// or we need another instance of BasicBlockPassManager
// Add pass
PassVector.push_back(BP);
return true;
}
/// Execute all of the passes scheduled for execution by invoking
/// runOnBasicBlock method. Keep track of whether any of the passes modifies
/// the function, and if so, return true.
bool
BasicBlockPassManager_New::runOnFunction(Function &F) {
bool Changed = false;
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (std::vector<Pass *>::iterator itr = PassVector.begin(),
e = PassVector.end(); itr != e; ++itr) {
Pass *P = *itr;
BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P);
Changed |= BP->runOnBasicBlock(*I);
}
return Changed;
}
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