Import LLVM, at r72732.

1 files changed, 76 insertions, 0 deletions

diff --git a/lib/Target/MSP430/MSP430TargetMachine.cpp b/lib/Target/MSP430/MSP430TargetMachine.cpp
new file mode 100644
index 0000000..7886946
--- /dev/null
+++ b/lib/Target/MSP430/MSP430TargetMachine.cpp
@@ -0,0 +1,76 @@
+//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Top-level implementation for the MSP430 target.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MSP430.h"
+#include "MSP430TargetAsmInfo.h"
+#include "MSP430TargetMachine.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/Target/TargetMachineRegistry.h"
+
+using namespace llvm;
+
+/// MSP430TargetMachineModule - Note that this is used on hosts that
+/// cannot link in a library unless there are references into the
+/// library.  In particular, it seems that it is not possible to get
+/// things to work on Win32 without this.  Though it is unused, do not
+/// remove it.
+extern "C" int MSP430TargetMachineModule;
+int MSP430TargetMachineModule = 0;
+
+
+// Register the targets
+static RegisterTarget<MSP430TargetMachine>
+X("msp430", "MSP430 [experimental]");
+
+MSP430TargetMachine::MSP430TargetMachine(const Module &M,
+                                         const std::string &FS) :
+  Subtarget(*this, M, FS),
+  // FIXME: Check TargetData string.
+  DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
+  InstrInfo(*this), TLInfo(*this),
+  FrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2) { }
+
+const TargetAsmInfo *MSP430TargetMachine::createTargetAsmInfo() const {
+  return new MSP430TargetAsmInfo(*this);
+}
+
+bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM,
+                                          CodeGenOpt::Level OptLevel) {
+  // Install an instruction selector.
+  PM.add(createMSP430ISelDag(*this, OptLevel));
+  return false;
+}
+
+bool MSP430TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+                                             CodeGenOpt::Level OptLevel,
+                                             bool Verbose,
+                                             raw_ostream &Out) {
+  // Output assembly language.
+  PM.add(createMSP430CodePrinterPass(Out, *this, OptLevel, Verbose));
+  return false;
+}
+
+unsigned MSP430TargetMachine::getModuleMatchQuality(const Module &M) {
+  std::string TT = M.getTargetTriple();
+
+  // We strongly match msp430
+  if (TT.size() >= 6 && TT[0] == 'm' && TT[1] == 's' && TT[2] == 'p' &&
+      TT[3] == '4' &&  TT[4] == '3' && TT[5] == '0')
+    return 20;
+
+  return 0;
+}
+