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SymbolicRangeAnalysisGenTest.cpp
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SymbolicRangeAnalysisGenTest.cpp
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#include "SymbolicRangeAnalysis.h"
#define DEBUG_TYPE "sra-gen-test"
#include "llvm/Pass.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
using namespace llvm;
class SymbolicRangeAnalysisGenTest : public FunctionPass {
public:
static char ID;
SymbolicRangeAnalysisGenTest() : FunctionPass(ID) { }
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
virtual bool runOnFunction(Function&);
};
static RegisterPass<SymbolicRangeAnalysisGenTest>
X("sra-gen-test", "Symbolic range analysis range generation test");
char SymbolicRangeAnalysisGenTest::ID = 0;
void SymbolicRangeAnalysisGenTest::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<SymbolicRangeAnalysis>();
AU.setPreservesAll();
}
bool SymbolicRangeAnalysisGenTest::runOnFunction(Function& F) {
auto &SRA = getAnalysis<SymbolicRangeAnalysis>();
dbgs() << "SRA-GEN: runOnFunction: " << F.getName() << "\n";
for (auto &BB : F) {
IRBuilder<> IRB(BB.getTerminator());
std::vector<Instruction*> Ins;
for (auto &I : BB)
if (I.getType()->isIntegerTy()) {
Ins.push_back(&I);
}
for (auto I : Ins) {
DEBUG(dbgs() << "Generating ranges: " << SRA.getStateOrInf(I)
<< " for instruction " << *I << "\n");
SRA.getRangeValuesFor(I, IRB);
}
}
return false;
}