[PATCH] D33688: [Polly] Heap allocation for new arrays

[Michael Kruse via Phabricator via llvm-commits]

Meinersbur added a comment.

I am wondering why you decided for a global stack-or-heap property. I'd assumed that this is a per-array decision. For instance, Roman's gemm optimization is designed to fit on the stack, there is no reason to allocate it on the heap.



================
Comment at: lib/CodeGen/IslNodeBuilder.cpp:1430-1434
+      auto *CreatedArray = CallInst::CreateMalloc(
+          &*InstIt, IntPtrTy, SAI->getElementType(),
+          ConstantInt::get(Type::getInt64Ty(Ctx), Size),
+          ConstantInt::get(Type::getInt64Ty(Ctx), ArraySizeInt), nullptr,
+          SAI->getName());
----------------
Where is the memory free'd?


https://reviews.llvm.org/D33688