================
@@ -2201,6 +2207,9 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const
{
Align = 8;
\
break;
#include "clang/Basic/WebAssemblyReferenceTypes.def"
+ case BuiltinType::AMDGPUBufferRsrc:
+ Width = 0;
+ Align = 256;
----------------
krzysz00 wrote:
Hold on, there're two types that it'd make sense to builtin here.
The first is the "buffer rsrc", which the ISA manual calls a `V#`. This is a
128-bit data structure that's quite opaque as far as C semantics go. LLVM-wise
they're `ptr addrspace(8)`
The other are the various flavor of buffer fat pointer, which are 160- or
192-bit values that are a buffer resource with offset bits hanging off the
other end. `ptr addrspace(7)` can act like a pointer-pointer if you squint and
there are LLVM lowerings to make it work
https://github.com/llvm/llvm-project/pull/94830
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