//===-- TargetSelect.cpp - Target Chooser Code ----------------------------===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This just asks the TargetMachineRegistry for the appropriate JIT to use, and
#include "JIT.h"
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
+#include "llvm/Target/SubtargetFeature.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include <iostream>
static cl::opt<const TargetMachineRegistry::Entry*, false, TargetNameParser>
MArch("march", cl::desc("Architecture to generate assembly for:"));
+static cl::opt<std::string>
+MCPU("mcpu",
+ cl::desc("Target a specific cpu type"),
+ cl::value_desc("cpu-name"),
+ cl::init(""));
+
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes:"),
+ cl::value_desc("attributes"));
+
/// create - Create an return a new JIT compiler if there is one available
/// for the current target. Otherwise, return null.
///
<< "-march switch.\n";
}
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MCPU.size() || MAttrs.size()) {
+ SubtargetFeatures Features;
+ Features.setCPU(MCPU);
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
+
// Allocate a target...
- TargetMachine *Target = MArch->CtorFn(*MP->getModule(), IL);
+ TargetMachine *Target = MArch->CtorFn(*MP->getModule(), IL, FeaturesStr);
assert(Target && "Could not allocate target machine!");
// If the target supports JIT code generation, return a new JIT now.