[clang] [Clang][CodeGen] Make UnqualPtrTy match llvm::PointerType::getUnqual (PR #163207)

[Matt Arsenault via cfe-commits]

Juan Manuel Martinez =?utf-8?q?Caamaño?= <juamarti at amd.com>,
Juan Manuel Martinez =?utf-8?q?Caamaño?= <juamarti at amd.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/163207 at github.com>


arsenm wrote:

> So on LLVM side it is (often) assumed that the "default address space" always is AS=0. But on clang side targets can map DefaultAS to a non zero address space. I wonder if that inconsistency is a bigger problem than addressed by this patch.

Yes, this is a hack from the beginning of OpenCL. Instead of changing the default address space, it would be better if clang treated OpenCL 1.x as implicitly adding the private qualifier on pointers



https://github.com/llvm/llvm-project/pull/163207