This, along with many things in the WebAssembly target, is experimental. Feedback is welcome. llvm-svn: 257006
llvm-svn: 252646
This implements basic support for compiling (though not yet assembling or linking) for a WebAssembly target. Note that ABI details are not yet finalized, and may change. Differential Revision: http://reviews.llvm.org/D12002 llvm-svn: 246814