llvm13: CreateGEP no longer accepts nullptr

See: https://reviews.llvm.org/D105653

2 files changed, 10 insertions, 9 deletions

diff --git a/lib/Core/ExternalDispatcher.cpp b/lib/Core/ExternalDispatcher.cpp
index b1bfff47..e43a8a83 100644
--- a/lib/Core/ExternalDispatcher.cpp
+++ b/lib/Core/ExternalDispatcher.cpp
@@ -303,7 +303,7 @@ Function *ExternalDispatcherImpl::createDispatcher(Function *target,
     auto argTy =
         (i < FTy->getNumParams() ? FTy->getParamType(i) : (*ai)->getType());
     auto argI64p =
-        Builder.CreateGEP(nullptr, argI64s,
+        Builder.CreateGEP(argI64s->getType()->getPointerElementType(), argI64s,
                           ConstantInt::get(Type::getInt32Ty(ctx), idx));
 
     auto argp = Builder.CreateBitCast(argI64p, PointerType::getUnqual(argTy));
diff --git a/lib/Module/IntrinsicCleaner.cpp b/lib/Module/IntrinsicCleaner.cpp
index 5e720e45..f4b867e5 100644
--- a/lib/Module/IntrinsicCleaner.cpp
+++ b/lib/Module/IntrinsicCleaner.cpp
@@ -106,19 +106,20 @@ 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");
 
-          auto pType = pSrc->getType()->getPointerElementType();
+          auto pSrcType = pSrc->getType()->getPointerElementType();
+          auto pDstType = pDst->getType()->getPointerElementType();
 
-          auto val = Builder.CreateLoad(pType, pSrc);
+          auto val = Builder.CreateLoad(pSrcType, pSrc);
           Builder.CreateStore(val, pDst, ii);
 
           auto off = ConstantInt::get(Type::getInt64Ty(ctx), 1);
-          pDst = Builder.CreateGEP(nullptr, pDst, off, std::string());
-          pSrc = Builder.CreateGEP(nullptr, pSrc, off, std::string());
-          val = Builder.CreateLoad(pType, pSrc);
+          pDst = Builder.CreateGEP(pDstType, pDst, off);
+          pSrc = Builder.CreateGEP(pSrcType, pSrc, off);
+          val = Builder.CreateLoad(pSrcType, pSrc);
           Builder.CreateStore(val, pDst);
-          pDst = Builder.CreateGEP(nullptr, pDst, off, std::string());
-          pSrc = Builder.CreateGEP(nullptr, pSrc, off, std::string());
-          val = Builder.CreateLoad(pType, pSrc);
+          pDst = Builder.CreateGEP(pDstType, pDst, off);
+          pSrc = Builder.CreateGEP(pSrcType, pSrc, off);
+          val = Builder.CreateLoad(pSrcType, pSrc);
           Builder.CreateStore(val, pDst);
         }
         ii->eraseFromParent();