add binaryen fiddles for indirect to direct call optimization

This commit is contained in:
dcode 2019-03-31 15:42:25 +02:00
parent 3e3c393856
commit c4a57025d2
2 changed files with 48 additions and 0 deletions

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var binaryen = require("binaryen");
var mod = new binaryen.Module();
var ftype_v = mod.addFunctionType("v", binaryen.none, []);
var ftype_vi = mod.addFunctionType("vi", binaryen.none, [ binaryen.i32 ]);
mod.addFunction("callee-2", ftype_v, [], mod.block(null, [
]));
mod.addFunction("callee-1", ftype_vi, [], mod.block(null, [
mod.call_indirect(mod.getLocal(0, binaryen.i32), [], "v"),
]));
mod.setFunctionTable(2, 2, [ "callee-1", "callee-2" ]);
mod.addFunction("caller", ftype_vi, [ binaryen.i32 ], mod.block(null, [
mod.call_indirect(mod.getLocal(0, binaryen.i32), [ mod.i32.const(1) ], "vi"),
]));
mod.addFunctionExport("caller", "main");
binaryen.setOptimizeLevel(4);
binaryen.setShrinkLevel(0);
binaryen.setDebugInfo(false);
mod.optimize();
if (!mod.validate())
console.log("-> does not validate");
console.log(mod.emitText());

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var binaryen = require("binaryen");
var mod = new binaryen.Module();
var ftype = mod.addFunctionType("v", binaryen.none, []);
mod.addFunction("callee", ftype, [], mod.block(null, [
]));
mod.setFunctionTable(1, 1, [ "callee" ]);
mod.addFunction("caller", ftype, [], mod.block(null, [
mod.call_indirect(mod.i32.const(0), [], "v"),
]));
mod.addFunctionExport("caller", "main");
binaryen.setOptimizeLevel(4);
binaryen.setShrinkLevel(0);
binaryen.setDebugInfo(false);
mod.optimize();
if (!mod.validate())
console.log("-> does not validate");
console.log(mod.emitText());