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Cisco-Talos · May 2, 2024 · 4ed8522 · 4ed8522
1 parent 553524b
commit 4ed8522
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/libclambcc/ClamBCRemovePointerPHIs.cpp b/libclambcc/ClamBCRemovePointerPHIs.cpp
@@ -248,12 +248,25 @@ class ClamBCRemovePointerPHIs : public PassInfoMixin<ClamBCRemovePointerPHIs>
  std::vector<Instruction *> newInsts;
  Instruction *insPt = findFirstNonPHI(pn->getParent());
 
+ if (pBasePtr->getType() != pn->getType()){
+ pBasePtr = CastInst::CreatePointerCast(pBasePtr, pn->getType(), "ClamBCRemovePointerPHIs_cast_", insPt);
+ }
+
  PointerType *pt = llvm::dyn_cast<PointerType>(pBasePtr->getType());
  if (nullptr == pt) {
  assert(0 && "This pass is only for pointer phis, how did we get here???");
  }
  Type *elementType = pt->getPointerElementType();
 
+ DEBUG_VALUE(pn);
+ DEBUG_VALUE(pBasePtr);
+ DEBUG_VALUE(pn->getType());
+ DEBUG_VALUE(pBasePtr->getType());
+ DEBUG_NONPOINTER((pBasePtr->getType() == pn->getType()));
+
+ DEBUG_VALUE(pBasePtr);
+ DEBUG_VALUE(elementType);
+
  Instruction *gepiNew = GetElementPtrInst::Create(elementType, pBasePtr, idxNode, "ClamBCRemovePointerPHIs_gepi_", insPt);
  if (pn->getType() != gepiNew->getType()) {
  gepiNew = CastInst::CreatePointerCast(gepiNew, pn->getType(), "ClamBCRemovePointerPHIs_cast_", insPt);

diff --git a/libclambcc/ClamBCWriter.cpp b/libclambcc/ClamBCWriter.cpp
@@ -810,6 +810,7 @@ class ClamBCWriter : public PassInfoMixin<ClamBCWriter>, public InstVisitor<Clam
  Type *pType = operand->getType();
  pType = pType->getPointerElementType();
 
+ DEBUG_NONPOINTER("REMOVE THIS");
  if (not pType->isIntegerTy()) {
  DEBUG_VALUE(pGep);
  llvm::errs() << "<" << __FUNCTION__ << "::" << __LINE__ << ">" << "EXITING<END>\n";