- Eliminate MCCodeEmitter's dependency on TargetMachine. It now uses MCInstrInfo

  and MCSubtargetInfo.
- Added methods to update subtarget features (used when targets automatically
  detect subtarget features or switch modes).
- Teach X86Subtarget to update MCSubtargetInfo features bits since the
  MCSubtargetInfo layer can be shared with other modules.
- These fixes .code 16 / .code 32 support since mode switch is updated in
  MCSubtargetInfo so MC code emitter can do the right thing.

llvm-svn: 134884

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/lib/Target/PTX/PTXInstrInfo.cpp b/llvm/lib/Target/PTX/PTXInstrInfo.cpp
index 7f0fa8b23bc..caa72b45ff9 100644
--- a/llvm/lib/Target/PTX/PTXInstrInfo.cpp
+++ b/llvm/lib/Target/PTX/PTXInstrInfo.cpp
@@ -18,6 +18,7 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/Target/TargetRegistry.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
@@ -408,3 +409,14 @@ MachineBasicBlock *PTXInstrInfo::GetBranchTarget(const MachineInstr& inst) {
   assert(target.isMBB() && "FIXME: detect branch target operand");
   return target.getMBB();
 }
+
+MCInstrInfo *createPTXMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitPTXMCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializePTXMCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(ThePTX32Target, createPTXMCInstrInfo);
+  TargetRegistry::RegisterMCInstrInfo(ThePTX64Target, createPTXMCInstrInfo);
+}