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

[oota-llvm.git] / lib / Target / AMDGPU / AMDGPUUtil.h

diff --git a/lib/Target/AMDGPU/AMDGPUUtil.h b/lib/Target/AMDGPU/AMDGPUUtil.h
new file mode 100644 (file)
index 0000000..e8b02b1
--- /dev/null
+++ b/lib/Target/AMDGPU/AMDGPUUtil.h
@@ -0,0 +1,46 @@
+//===-- AMDGPUUtil.h - AMDGPU Utility function declarations -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Declarations for utility functions common to all hw codegen targets.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef AMDGPU_UTIL_H
+#define AMDGPU_UTIL_H
+
+namespace llvm {
+
+class MachineFunction;
+class MachineRegisterInfo;
+class TargetInstrInfo;
+
+namespace AMDGPU {
+
+bool isPlaceHolderOpcode(unsigned opcode);
+
+bool isTransOp(unsigned opcode);
+bool isTexOp(unsigned opcode);
+bool isReductionOp(unsigned opcode);
+bool isCubeOp(unsigned opcode);
+bool isFCOp(unsigned opcode);
+
+// XXX: Move these to AMDGPUInstrInfo.h
+#define MO_FLAG_CLAMP (1 << 0)
+#define MO_FLAG_NEG   (1 << 1)
+#define MO_FLAG_ABS   (1 << 2)
+#define MO_FLAG_MASK  (1 << 3)
+
+void utilAddLiveIn(MachineFunction * MF, MachineRegisterInfo & MRI,
+    const TargetInstrInfo * TII, unsigned physReg, unsigned virtReg);
+
+} // End namespace AMDGPU
+
+} // End namespace llvm
+
+#endif // AMDGPU_UTIL_H