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//===-- JSBackendTargetInfo.cpp - JSBackend Target Implementation -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===--------------------------------------------------------------------===//
#include "JSTargetMachine.h"
#include "MCTargetDesc/JSBackendMCTargetDesc.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
Target llvm::TheJSBackendTarget;
static unsigned JSBackend_TripleMatchQuality(const std::string &TT) {
switch (Triple(TT).getArch()) {
case Triple::asmjs:
// That's us!
return 20;
case Triple::le32:
case Triple::x86:
// For compatibility with older versions of Emscripten, we also basically
// support generating code for le32-unknown-nacl and i386-pc-linux-gnu,
// but we use a low number here so that we're not the default.
return 1;
default:
return 0;
}
}
extern "C" void LLVMInitializeJSBackendTargetInfo() {
TargetRegistry::RegisterTarget(TheJSBackendTarget, "js",
"JavaScript (asm.js, emscripten) backend",
&JSBackend_TripleMatchQuality);
}
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