llvm-remove-ni.cpp
// This file is a part of Julia. License is MIT: https://julialang.org/license
#include "llvm-version.h"
#include <llvm/IR/Module.h>
#include <llvm/IR/LegacyPassManager.h>
#include <llvm/Support/Debug.h>
#define DEBUG_TYPE "remove_ni"
using namespace llvm;
namespace {
struct RemoveNIPass : public ModulePass {
static char ID;
RemoveNIPass() : ModulePass(ID) {};
bool runOnModule(Module &M)
{
auto dlstr = M.getDataLayoutStr();
auto nistart = dlstr.find("-ni:");
if (nistart == std::string::npos)
return false;
auto len = dlstr.size();
auto niend = nistart + 1;
for (; niend < len; niend++) {
if (dlstr[niend] == '-') {
break;
}
}
dlstr.erase(nistart, niend - nistart);
M.setDataLayout(dlstr);
return true;
}
};
char RemoveNIPass::ID = 0;
static RegisterPass<RemoveNIPass>
Y("RemoveNI",
"Remove non-integral address space.",
false,
false);
}
Pass *createRemoveNIPass()
{
return new RemoveNIPass();
}