[BACKEND] add triton-translate to translate mlir to llvmir or PTX code (#37)

include/triton/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.h

@@ -20,6 +20,15 @@ public:
 
 namespace triton {
 
+// Names for identifying different NVVM annotations. It is used as attribute
+// names in MLIR modules. Refer to
+// https://docs.nvidia.com/cuda/nvvm-ir-spec/index.html#supported-properties for
+// the full list.
+struct NVVMMetadataField {
+  static constexpr char MaxNTid[] = "nvvm.maxntid";
+  static constexpr char Kernel[] = "nvvm.kernel";
+};
+
 std::unique_ptr<OperationPass<ModuleOp>> createConvertTritonGPUToLLVMPass();
 
 } // namespace triton

include/triton/Target/LLVMIR/LLVMIRTranslation.h

@@ -0,0 +1,24 @@
+#ifndef TRITON_TARGET_LLVMIRTRANSLATION_H
+#define TRITON_TARGET_LLVMIRTRANSLATION_H
+#include <memory>
+
+namespace llvm {
+class Module;
+class LLVMContext;
+} // namespace llvm
+
+namespace mlir {
+class ModuleOp;
+} // namespace mlir
+
+namespace mlir {
+namespace triton {
+
+// Translate mlir LLVM dialect to LLVMIR, return null if failed.
+std::unique_ptr<llvm::Module>
+TranslateLLVMToLLVMIR(llvm::LLVMContext *llvmContext, mlir::ModuleOp module);
+
+} // namespace triton
+} // namespace mlir
+
+#endif // TRITON_TARGET_LLVMIRTRANSLATION_H