mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
28 lines
821 B
C++
28 lines
821 B
C++
/// A simple pass to given an empty body to the `newpc` function so that it can
|
|
/// be optimized away.
|
|
|
|
//
|
|
// This file is distributed under the MIT License. See LICENSE.md for details.
|
|
//
|
|
|
|
#include "llvm/IR/Instructions.h"
|
|
#include "llvm/IR/Module.h"
|
|
|
|
#include "revng/BasicAnalyses/EmptyNewPC.h"
|
|
#include "revng/Support/IRHelperRegistry.h"
|
|
#include "revng/Support/IRHelpers.h"
|
|
|
|
using namespace llvm;
|
|
|
|
char EmptyNewPC::ID = 0;
|
|
using Register = RegisterPass<EmptyNewPC>;
|
|
static Register X("empty-newpc", "Create an empty newpc function", true, true);
|
|
|
|
bool EmptyNewPC::runOnModule(llvm::Module &M) {
|
|
LLVMContext &Context = getContext(&M);
|
|
Function *NewPCFunction = getIRHelper("newpc", M);
|
|
NewPCFunction->deleteBody();
|
|
ReturnInst::Create(Context, BasicBlock::Create(Context, "", NewPCFunction));
|
|
return false;
|
|
}
|