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// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "llvm/Pass.h"
#include "llvm/IR/Function.h"
using namespace llvm;
namespace {
class TestLLVMPass : public FunctionPass {
public:
static char ID;
TestLLVMPass() : FunctionPass(ID) { }
bool runOnFunction(Function &F) override;
const char *getPassName() const override {
return "Some LLVM pass";
}
};
}
bool TestLLVMPass::runOnFunction(Function &F) {
// A couple examples of operations that previously caused segmentation faults
// https://github.com/rust-lang/rust/issues/31067
for (auto N = F.begin(); N != F.end(); ++N) {
/* code */
}
LLVMContext &C = F.getContext();
IntegerType *Int8Ty = IntegerType::getInt8Ty(C);
PointerType::get(Int8Ty, 0);
return true;
}
char TestLLVMPass::ID = 0;
static RegisterPass<TestLLVMPass> RegisterAFLPass(
"some-llvm-function-pass", "Some LLVM pass");
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