2 files changed, 17 insertions, 2 deletions
diff --git a/lib/Module/FunctionAlias.cpp b/lib/Module/FunctionAlias.cpp
index aa80b35d..c00bde58 100644
--- a/lib/Module/FunctionAlias.cpp
+++ b/lib/Module/FunctionAlias.cpp
@@ -134,10 +134,16 @@ bool FunctionAliasPass::runOnModule(Module &M) {
 }
 
 const FunctionType *FunctionAliasPass::getFunctionType(const GlobalValue *gv) {
+#if LLVM_VERSION_CODE >= LLVM_VERSION(15, 0)
+  if (auto *ft = dyn_cast<FunctionType>(gv->getType()))
+    return ft;
+  return dyn_cast<FunctionType>(gv->getValueType());
+#else
   const Type *type = gv->getType();
   while (type->isPointerTy())
     type = type->getPointerElementType();
-  return cast<FunctionType>(type);
+  return dyn_cast<FunctionType>(type);
+#endif
 }
 
 bool FunctionAliasPass::checkType(const GlobalValue *match,
diff --git a/lib/Module/IntrinsicCleaner.cpp b/lib/Module/IntrinsicCleaner.cpp
index ad7c0631..40ff2874 100644
--- a/lib/Module/IntrinsicCleaner.cpp
+++ b/lib/Module/IntrinsicCleaner.cpp
@@ -100,9 +100,14 @@ bool IntrinsicCleanerPass::runOnBasicBlock(BasicBlock &b, Module &M) {
               Builder.CreatePointerCast(dst, i8pp, "vacopy.cast.dst");
           auto castedSrc =
               Builder.CreatePointerCast(src, i8pp, "vacopy.cast.src");
+#if LLVM_VERSION_CODE >= LLVM_VERSION(15, 0)
+          auto load = Builder.CreateLoad(Builder.getInt8PtrTy(), castedSrc,
+                                         "vacopy.read");
+#else
           auto load =
               Builder.CreateLoad(castedSrc->getType()->getPointerElementType(),
                                  castedSrc, "vacopy.read");
+#endif
           Builder.CreateStore(load, castedDst, false /* isVolatile */);
         } else {
           assert(WordSize == 8 && "Invalid word size!");
@@ -110,9 +115,13 @@ bool IntrinsicCleanerPass::runOnBasicBlock(BasicBlock &b, Module &M) {
           auto pDst = Builder.CreatePointerCast(dst, i64p, "vacopy.cast.dst");
           auto pSrc = Builder.CreatePointerCast(src, i64p, "vacopy.cast.src");
 
+#if LLVM_VERSION_CODE >= LLVM_VERSION(15, 0)
+          auto pSrcType = Builder.getPtrTy();
+          auto pDstType = Builder.getPtrTy();
+#else
           auto pSrcType = pSrc->getType()->getPointerElementType();
           auto pDstType = pDst->getType()->getPointerElementType();
-
+#endif
           auto val = Builder.CreateLoad(pSrcType, pSrc);
           Builder.CreateStore(val, pDst, ii);