1 files changed, 87 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/PTX/PTXTargetMachine.cpp b/contrib/llvm/lib/Target/PTX/PTXTargetMachine.cpp
new file mode 100644
index 0000000..ab926e0
--- /dev/null
+++ b/contrib/llvm/lib/Target/PTX/PTXTargetMachine.cpp
@@ -0,0 +1,87 @@
+//===-- PTXTargetMachine.cpp - Define TargetMachine for PTX ---------------===//
+//
+//                     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 PTX target.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PTX.h"
+#include "PTXTargetMachine.h"
+#include "llvm/PassManager.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+namespace llvm {
+  MCStreamer *createPTXAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
+                                   bool isVerboseAsm, bool useLoc,
+                                   bool useCFI,
+                                   MCInstPrinter *InstPrint,
+                                   MCCodeEmitter *CE,
+                                   TargetAsmBackend *TAB,
+                                   bool ShowInst);
+}
+
+extern "C" void LLVMInitializePTXTarget() {
+
+  RegisterTargetMachine<PTX32TargetMachine> X(ThePTX32Target);
+  RegisterTargetMachine<PTX64TargetMachine> Y(ThePTX64Target);
+
+  TargetRegistry::RegisterAsmStreamer(ThePTX32Target, createPTXAsmStreamer);
+  TargetRegistry::RegisterAsmStreamer(ThePTX64Target, createPTXAsmStreamer);
+}
+
+namespace {
+  const char* DataLayout32 =
+    "e-p:32:32-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64";
+  const char* DataLayout64 =
+    "e-p:64:64-i64:32:32-f64:32:32-v128:32:128-v64:32:64-n32:64";
+}
+
+// DataLayout and FrameLowering are filled with dummy data
+PTXTargetMachine::PTXTargetMachine(const Target &T,
+                                   const std::string &TT,
+                                   const std::string &CPU,
+                                   const std::string &FS,
+                                   bool is64Bit)
+  : LLVMTargetMachine(T, TT, CPU, FS),
+    DataLayout(is64Bit ? DataLayout64 : DataLayout32),
+    Subtarget(TT, CPU, FS, is64Bit),
+    FrameLowering(Subtarget),
+    InstrInfo(*this),
+    TLInfo(*this) {
+}
+
+PTX32TargetMachine::PTX32TargetMachine(const Target &T,
+                                       const std::string& TT,
+                                       const std::string& CPU,
+                                       const std::string& FS)
+  : PTXTargetMachine(T, TT, CPU, FS, false) {
+}
+
+PTX64TargetMachine::PTX64TargetMachine(const Target &T,
+                                       const std::string& TT,
+                                       const std::string& CPU,
+                                       const std::string& FS)
+  : PTXTargetMachine(T, TT, CPU, FS, true) {
+}
+
+bool PTXTargetMachine::addInstSelector(PassManagerBase &PM,
+                                       CodeGenOpt::Level OptLevel) {
+  PM.add(createPTXISelDag(*this, OptLevel));
+  return false;
+}
+
+bool PTXTargetMachine::addPostRegAlloc(PassManagerBase &PM,
+                                       CodeGenOpt::Level OptLevel) {
+  // PTXMFInfoExtract must after register allocation!
+  PM.add(createPTXMFInfoExtract(*this, OptLevel));
+  return false;
+}