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make new pass manager interface compiler version dependent (>=7)

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This commit is contained in:
hexcoder-
2021-10-16 14:37:54 +02:00
parent c49b308794
commit 1f2fa22dad
5 changed files with 190 additions and 28 deletions
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38
instrumentation/compare-transform-pass.so.cc
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@ -26,14 +26,17 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/IRBuilder.h"
#if LLVM_MAJOR >= 7 /* use new pass manager */
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/IR/PassManager.h"
//#include "llvm/IR/LegacyPassManager.h"
#else
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#endif
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ValueTracking.h"
@ -55,16 +58,28 @@ using namespace llvm;
namespace {
#if LLVM_MAJOR >= 7 /* use new pass manager */
class CompareTransform : public PassInfoMixin<CompareTransform> {
public:
CompareTransform() {
#else
class CompareTransform : public ModulePass {
public:
static char ID;
CompareTransform() : ModulePass(ID) {
#endif
initInstrumentList();
}
#if LLVM_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
#else
bool runOnModule(Module &M) override;
#endif
private:
bool transformCmps(Module &M, const bool processStrcmp,
@ -76,6 +91,7 @@ class CompareTransform : public PassInfoMixin<CompareTransform> {
} // namespace
#if LLVM_MAJOR >= 7 /* use new pass manager */
extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo() {
return {
@ -106,7 +122,9 @@ llvmGetPassPluginInfo() {
}
};
}
#else
char CompareTransform::ID = 0;
#endif
bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
const bool processMemcmp,
@ -613,7 +631,11 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
}
#if LLVM_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses CompareTransform::run(Module &M, ModuleAnalysisManager &MAM) {
#else
bool CompareTransform::runOnModule(Module &M) {
#endif
if ((isatty(2) && getenv("AFL_QUIET") == NULL) || getenv("AFL_DEBUG") != NULL)
printf(
@ -622,22 +644,26 @@ PreservedAnalyses CompareTransform::run(Module &M, ModuleAnalysisManager &MAM) {
else
be_quiet = 1;
#if LLVM_MAJOR >= 7 /* use new pass manager */
auto PA = PreservedAnalyses::all();
#endif
transformCmps(M, true, true, true, true, true);
verifyModule(M);
#if LLVM_MAJOR >= 7 /* use new pass manager */
/* if (modified) {
PA.abandon<XX_Manager>();
}*/
return PA;
// return true;
#else
return true;
#endif
}
#if 0
#if LLVM_MAJOR < 7 /* use old pass manager */
static void registerCompTransPass(const PassManagerBuilder &,
legacy::PassManagerBase &PM) {