[Nios2] Target registration

Reviewers: craig.topper, hfinkel, joerg, lattner, zvi

Reviewed By: craig.topper

Subscribers: oren_ben_simhon, igorb, belickim, tvvikram, mgorny, llvm-commits, pavel.v.chupin, DavidKreitzer

Differential Revision: https://reviews.llvm.org/D32669
Patch by AndreiGrischenko <andrei.l.grischenko@intel.com>

llvm-svn: 304144

1 files changed, 46 insertions, 0 deletions

diff --git a/llvm/lib/Target/Nios2/Nios2TargetMachine.cpp b/llvm/lib/Target/Nios2/Nios2TargetMachine.cpp
new file mode 100644
index 00000000000..16d4eabcfaf
--- /dev/null
+++ b/llvm/lib/Target/Nios2/Nios2TargetMachine.cpp
@@ -0,0 +1,46 @@
+//===-- Nios2TargetMachine.cpp - Define TargetMachine for Nios2 -----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements the info about Nios2 target spec.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Nios2TargetMachine.h"
+#include "Nios2.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "nios2"
+
+extern "C" void LLVMInitializeNios2Target() {
+  // Register the target.
+}
+
+static std::string computeDataLayout(const Triple &TT, StringRef CPU,
+                                     const TargetOptions &Options) {
+  return "e-p:32:32:32-i8:8:32-i16:16:32-n32";
+}
+
+static Reloc::Model getEffectiveRelocModel(CodeModel::Model CM,
+                                           Optional<Reloc::Model> RM) {
+  if (!RM.hasValue() || CM == CodeModel::JITDefault)
+    return Reloc::Static;
+  return *RM;
+}
+
+Nios2TargetMachine::Nios2TargetMachine(const Target &T, const Triple &TT,
+                                       StringRef CPU, StringRef FS,
+                                       const TargetOptions &Options,
+                                       Optional<Reloc::Model> RM,
+                                       CodeModel::Model CM,
+                                       CodeGenOpt::Level OL)
+    : LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options), TT, CPU, FS,
+                        Options, getEffectiveRelocModel(CM, RM), CM, OL) {}
+
+Nios2TargetMachine::~Nios2TargetMachine() {}