Fixes a crash in the `convert-to-spirv-llvm` pass caused by unsupported types (e.g. `spirv.matrix` ). This PR fixes it by checking the converted type. Fixes #60017
Fixes a crash in the `convert-to-spirv-llvm` pass caused by unsupported types (e.g. `spirv.matrix` ). This PR fixes it by checking the converted type. Fixes #60017