AMDGPU: Add core backend files for R600/SI codegen v6

llvm-svn: 160270

1 files changed, 48 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDILCodeEmitter.h b/llvm/lib/Target/AMDGPU/AMDILCodeEmitter.h
new file mode 100644
index 00000000000..0c7ae598367
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/AMDILCodeEmitter.h
@@ -0,0 +1,48 @@
+//===-- AMDILCodeEmitter.h - AMDIL Code Emitter interface -----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// CodeEmitter interface for R600 and SI codegen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef AMDILCODEEMITTER_H
+#define AMDILCODEEMITTER_H
+
+namespace llvm {
+
+  class AMDILCodeEmitter {
+  public:
+    uint64_t getBinaryCodeForInstr(const MachineInstr &MI) const;
+    virtual uint64_t getMachineOpValue(const MachineInstr &MI,
+                                   const MachineOperand &MO) const { return 0; }
+    virtual unsigned GPR4AlignEncode(const MachineInstr  &MI,
+                                     unsigned OpNo) const {
+      return 0;
+    }
+    virtual unsigned GPR2AlignEncode(const MachineInstr &MI,
+                                     unsigned OpNo) const {
+      return 0;
+    }
+    virtual uint64_t VOPPostEncode(const MachineInstr &MI,
+                                   uint64_t Value) const {
+      return Value;
+    }
+    virtual uint64_t i32LiteralEncode(const MachineInstr &MI,
+                                      unsigned OpNo) const {
+      return 0;
+    }
+    virtual uint32_t SMRDmemriEncode(const MachineInstr &MI, unsigned OpNo)
+                                                                     const {
+      return 0;
+    }
+  };
+
+} // End namespace llvm
+
+#endif // AMDILCODEEMITTER_H