llvm-project/polly/lib/Exchange/ScopLibExporter.cpp

96 lines
2.5 KiB
C++

//===-- ScopLibExporter.cpp - Export Scops with scoplib ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Export the Scops build by ScopInfo pass to text file.
//
//===----------------------------------------------------------------------===//
#include "polly/LinkAllPasses.h"
#ifdef SCOPLIB_FOUND
#include "polly/Options.h"
#include "polly/ScopInfo.h"
#include "polly/ScopPass.h"
#include "polly/ScopLib.h"
#include "llvm/Assembly/Writer.h"
#include "stdio.h"
#include "isl/set.h"
#include "isl/constraint.h"
using namespace llvm;
using namespace polly;
namespace {
static cl::opt<std::string>
ExportDir("polly-export-scoplib-dir",
cl::desc("The directory to export the .scoplib files to."),
cl::Hidden, cl::value_desc("Directory path"), cl::ValueRequired,
cl::init("."), cl::cat(PollyCategory));
class ScopLibExporter : public ScopPass {
Scop *S;
std::string getFileName(Scop *S) const;
public:
static char ID;
explicit ScopLibExporter() : ScopPass(ID) {}
virtual bool runOnScop(Scop &scop);
void getAnalysisUsage(AnalysisUsage &AU) const;
};
}
char ScopLibExporter::ID = 0;
std::string ScopLibExporter::getFileName(Scop *S) const {
std::string FunctionName = S->getRegion().getEntry()->getParent()->getName();
std::string FileName = FunctionName + "___" + S->getNameStr() + ".scoplib";
return FileName;
}
bool ScopLibExporter::runOnScop(Scop &scop) {
S = &scop;
Region *R = &S->getRegion();
std::string FileName = ExportDir + "/" + getFileName(S);
FILE *F = fopen(FileName.c_str(), "w");
if (!F) {
errs() << "Cannot open file: " << FileName << "\n";
errs() << "Skipping export.\n";
return false;
}
ScopLib scoplib(S);
scoplib.print(F);
fclose(F);
std::string FunctionName = R->getEntry()->getParent()->getName();
errs() << "Writing Scop '" << R->getNameStr() << "' in function '"
<< FunctionName << "' to '" << FileName << "'.\n";
return false;
}
void ScopLibExporter::getAnalysisUsage(AnalysisUsage &AU) const {
ScopPass::getAnalysisUsage(AU);
}
static RegisterPass<ScopLibExporter>
A("polly-export-scoplib", "Polly - Export Scops with ScopLib library"
" (Writes a .scoplib file for each Scop)");
Pass *polly::createScopLibExporterPass() { return new ScopLibExporter(); }
#endif