#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
using namespace llvm;
namespace {
class CrashOnCalls : public BasicBlockPass {
public:
static char ID; CrashOnCalls() : BasicBlockPass(ID) {}
private:
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
bool runOnBasicBlock(BasicBlock &BB) override {
for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
if (isa<CallInst>(*I))
abort();
return false;
}
};
}
char CrashOnCalls::ID = 0;
static RegisterPass<CrashOnCalls>
X("bugpoint-crashcalls",
"BugPoint Test Pass - Intentionally crash on CallInsts");
namespace {
class DeleteCalls : public BasicBlockPass {
public:
static char ID; DeleteCalls() : BasicBlockPass(ID) {}
private:
bool runOnBasicBlock(BasicBlock &BB) override {
for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
if (CallInst *CI = dyn_cast<CallInst>(I)) {
if (!CI->use_empty())
CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
CI->getParent()->getInstList().erase(CI);
break;
}
return false;
}
};
}
char DeleteCalls::ID = 0;
static RegisterPass<DeleteCalls>
Y("bugpoint-deletecalls",
"BugPoint Test Pass - Intentionally 'misoptimize' CallInsts");
namespace {
class CrashOnDeclFunc : public ModulePass {
public:
static char ID; CrashOnDeclFunc() : ModulePass(ID) {}
private:
bool runOnModule(Module &M) override {
for (auto &F : M.functions()) {
if (F.isDeclaration())
abort();
}
return false;
}
};
}
char CrashOnDeclFunc::ID = 0;
static RegisterPass<CrashOnDeclFunc>
Z("bugpoint-crash-decl-funcs",
"BugPoint Test Pass - Intentionally crash on declared functions");
#include <iostream>
namespace {
class CrashOnTooManyCUs : public ModulePass {
public:
static char ID;
CrashOnTooManyCUs() : ModulePass(ID) {}
private:
bool runOnModule(Module &M) override {
NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
if (!CU_Nodes)
return false;
if (CU_Nodes->getNumOperands() >= 2)
abort();
return false;
}
};
}
char CrashOnTooManyCUs::ID = 0;
static RegisterPass<CrashOnTooManyCUs>
A("bugpoint-crash-too-many-cus",
"BugPoint Test Pass - Intentionally crash on too many CUs");