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//===-- AlphaTargetInfo.cpp - Alpha Target Implementation -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Alpha.h"
#include "llvm/Module.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
llvm::Target llvm::TheAlphaTarget;
static unsigned Alpha_TripleMatchQuality(const std::string &TT) {
// We strongly match "alpha*".
if (TT.size() >= 5 && TT[0] == 'a' && TT[1] == 'l' && TT[2] == 'p' &&
TT[3] == 'h' && TT[4] == 'a')
return 20;
return 0;
}
static unsigned Alpha_ModuleMatchQuality(const Module &M) {
// Check for a triple match.
if (unsigned Q = Alpha_TripleMatchQuality(M.getTargetTriple()))
return Q;
// Otherwise if the target triple is non-empty, we don't match.
if (!M.getTargetTriple().empty()) return 0;
if (M.getEndianness() == Module::LittleEndian &&
M.getPointerSize() == Module::Pointer64)
return 10; // Weak match
else if (M.getEndianness() != Module::AnyEndianness ||
M.getPointerSize() != Module::AnyPointerSize)
return 0; // Match for some other target
return 0;
}
extern "C" void LLVMInitializeAlphaTargetInfo() {
TargetRegistry::RegisterTarget(TheAlphaTarget, "alpha",
"Alpha [experimental]",
&Alpha_TripleMatchQuality,
&Alpha_ModuleMatchQuality,
/*HasJIT=*/true);
}
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