JitRunner: support entry functions returning void
JitRunner: support entry functions returning void

JitRunner can use as entry points functions that produce either a single
'!llvm.f32' value or a list of memrefs.  Memref support is legacy and was
introduced before MLIR could lower memref allocation and deallocation to
malloc/free calls so as to allocate the memory externally, and is likely to be
dropped in the future since it unconditionally runs affine+standard-to-llvm
lowering on the module instead of accepting the LLVM dialect.  CUDA runner
relies on memref-based flow in the runner without actually returning anything.
Introduce a runner flow to use functions that return void as entry points.

PiperOrigin-RevId: 264381686

tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,DavidNorman/tensorflow,xzturn/tensorflow,yongtang/tensorflow,arborh/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,freedomtan/tensorflow,davidzchen/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,davidzchen/tensorflow,aldian/tensorflow,chemelnucfin/tensorflow,arborh/tensorflow,gunan/tensorflow,xzturn/tensorflow,petewarden/tensorflow,arborh/tensorflow,ppwwyyxx/tensorflow,renyi533/tensorflow,annarev/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,adit-chandra/tensorflow,gunan/tensorflow,freedomtan/tensorflow,gunan/tensorflow,sarvex/tensorflow,adit-chandra/tensorflow,karllessard/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow,Intel-tensorflow/tensorflow,xzturn/tensorflow,arborh/tensorflow,gunan/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,petewarden/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,renyi533/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,renyi533/tensorflow,jhseu/tensorflow,aam-at/tensorflow,adit-chandra/tensorflow,aam-at/tensorflow,aam-at/tensorflow,gautam1858/tensorflow,adit-chandra/tensorflow,sarvex/tensorflow,petewarden/tensorflow,karllessard/tensorflow,jhseu/tensorflow,xzturn/tensorflow,annarev/tensorflow,petewarden/tensorflow,arborh/tensorflow,adit-chandra/tensorflow,arborh/tensorflow,chemelnucfin/tensorflow,ppwwyyxx/tensorflow,Intel-Corporation/tensorflow,davidzchen/tensorflow,annarev/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,cxxgtxy/tensorflow,DavidNorman/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,Intel-tensorflow/tensorflow,aam-at/tensorflow,aam-at/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,cxxgtxy/tensorflow,adit-chandra/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,gunan/tensorflow,annarev/tensorflow,xzturn/tensorflow,ppwwyyxx/tensorflow,gunan/tensorflow,ppwwyyxx/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,freedomtan/tensorflow,tensorflow/tensorflow,petewarden/tensorflow,Intel-Corporation/tensorflow,chemelnucfin/tensorflow,renyi533/tensorflow,aam-at/tensorflow,sarvex/tensorflow,aam-at/tensorflow,sarvex/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,arborh/tensorflow,gautam1858/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,frreiss/tensorflow-fred,cxxgtxy/tensorflow,chemelnucfin/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,DavidNorman/tensorflow,sarvex/tensorflow,gunan/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,jhseu/tensorflow,renyi533/tensorflow,karllessard/tensorflow,petewarden/tensorflow,aldian/tensorflow,aam-at/tensorflow,aam-at/tensorflow,Intel-tensorflow/tensorflow,jhseu/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_saved_model,adit-chandra/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,sarvex/tensorflow,yongtang/tensorflow,frreiss/tensorflow-fred,chemelnucfin/tensorflow,paolodedios/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow,jhseu/tensorflow,freedomtan/tensorflow,renyi533/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,paolodedios/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,adit-chandra/tensorflow,yongtang/tensorflow,gautam1858/tensorflow,adit-chandra/tensorflow,annarev/tensorflow,sarvex/tensorflow,freedomtan/tensorflow,renyi533/tensorflow,gautam1858/tensorflow,cxxgtxy/tensorflow,ppwwyyxx/tensorflow,paolodedios/tensorflow,jhseu/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,Intel-Corporation/tensorflow,jhseu/tensorflow,chemelnucfin/tensorflow,annarev/tensorflow,paolodedios/tensorflow,renyi533/tensorflow,arborh/tensorflow,Intel-Corporation/tensorflow,paolodedios/tensorflow,ppwwyyxx/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,Intel-Corporation/tensorflow,DavidNorman/tensorflow,ppwwyyxx/tensorflow,renyi533/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,aldian/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-py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