llvm-project

6a3f98ef - [CIR][AMDGPU] Add support for AMDGCN s_sendmsg_rtn builtins (#223226)

[CIR][AMDGPU] Add support for AMDGCN s_sendmsg_rtn builtins (#223226) Adds codegen for the following AMDGCN s_sendmsg_rtn builtins: - __builtin_amdgcn_s_sendmsg_rtn - __builtin_amdgcn_s_sendmsg_rtnl These are lowered to the `llvm.amdgcn.s.sendmsg.rtn` intrinsic. Assisted by: Claude Opus 5 Co-authored-by: Claude Opus 5 <noreply@anthropic.com>