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3 Commits

Author SHA1 Message Date
Dan Gohman 66caac5735 [WebAssembly] Eliminate an ad-hoc command-line argument. 
Use the target triple to determine whether to run the explicit-locals
pass, rather than using a separate command-line argument.

llvm-svn: 288602
 2016-12-03 23:00:12 +00:00
Dan Gohman 3acb187d95 [WebAssembly] Implement more WebAssembly binary encoding. 
This changes locals from being declared by the emitLocal hook in
WebAssemblyTargetStreamer, rather than with an instruction. After exploring
the infastructure in LLVM more, this seems to make more sense since
declaring locals doesn't use an encoded opcode.

This also adds more 0xd opcodes, type encodings, and miscellaneous
binary encoding bits.

llvm-svn: 285040
 2016-10-24 23:27:49 +00:00
Dan Gohman 4fc4e42dea [WebAssembly] Add an option to make get_local/set_local explicit. 
This patch adds a pass, controlled by an option and off by default for
now, for making implicit get_local/set_local explicit. This simplifies
emitting wasm with MC.

Differential Revision: https://reviews.llvm.org/D25836

llvm-svn: 285009
 2016-10-24 19:49:43 +00:00