transform.h

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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#ifndef TVM_RELAX_TRANSFORM_H_
#define TVM_RELAX_TRANSFORM_H_
 
#include <tvm/ffi/reflection/registry.h>
#include <tvm/ir/transform.h>
#include <tvm/relax/dataflow_pattern.h>
#include <tvm/relax/expr.h>
#include <tvm/tir/function.h>
#include <tvm/tir/index_map.h>
 
namespace tvm {
namespace relax {
namespace transform {
 
using Pass = tvm::transform::Pass;
using PassInfo = tvm::transform::PassInfo;
using PassContext = tvm::transform::PassContext;
using Function = tvm::relax::Function;
using DataflowBlock = tvm::relax::DataflowBlock;
using tvm::transform::CreateModulePass;
 
TVM_DLL Pass CreateFunctionPass(std::function<Function(Function, IRModule, PassContext)> pass_func,
                                int opt_level, String name, tvm::Array<String> required,
                                bool traceable = false);
 
TVM_DLL Pass CreateDataflowBlockPass(
    std::function<DataflowBlock(DataflowBlock, IRModule, PassContext)> pass_func, int opt_level,
    String name, tvm::Array<String> required, bool traceable = false);
 
TVM_DLL Pass LambdaLift();
 
TVM_DLL Pass ToNonDataflow();
 
TVM_DLL Pass RemovePurityChecking();
 
TVM_DLL Pass CallTIRRewrite();
 
TVM_DLL Pass RewriteDataflowReshape();
 
TVM_DLL Pass StaticPlanBlockMemory();
 
TVM_DLL Pass AttachGlobalSymbol();
 
TVM_DLL Pass Normalize();
 
TVM_DLL Pass NormalizeGlobalVar();
 
TVM_DLL Pass CanonicalizeBindings();
 
TVM_DLL Pass EliminateCommonSubexpr(bool call_only = false);
 
TVM_DLL Pass BindParams(String func_name, Map<Any, ObjectRef> params);
 
TVM_DLL Pass BindSymbolicVars(Map<Variant<tir::Var, String>, PrimExpr> binding_map,
                              Optional<String> func_name = std::nullopt);
 
TVM_DLL Pass FoldConstant();
 
TVM_DLL Pass LegalizeOps(Optional<Map<String, ffi::Function>> cmap, bool enable_warning = false);
 
TVM_DLL Pass RealizeVDevice();
 
TVM_DLL Pass AttachAttrLayoutFreeBuffers();
 
TVM_DLL Pass SplitLayoutRewritePreproc();
 
TVM_DLL Pass LiftTransformParams(Variant<Bool, Array<String>> shared_transform = Bool(false));
 
TVM_DLL Pass UpdateVDevice(VDevice new_vdevice, int64_t index);
 
TVM_DLL Pass ExpandTupleArguments();
 
TVM_DLL Pass RemoveUnusedParameters();
 
TVM_DLL Pass RemoveUnusedOutputs();
 
TVM_DLL Pass AnnotateTIROpPattern();
 
TVM_DLL Pass FuseOps(int fuse_opt_level = -1);
 
class FusionPatternNode : public Object {
 public:
  String name;
 
  DFPattern pattern;
 
  Map<String, DFPattern> annotation_patterns;
 
  Optional<ffi::Function> check;
 
  Optional<ffi::Function> attrs_getter;
 
  static void RegisterReflection() {
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<FusionPatternNode>()
        .def_ro("name", &FusionPatternNode::name)
        .def_ro("pattern", &FusionPatternNode::pattern)
        .def_ro("annotation_patterns", &FusionPatternNode::annotation_patterns)
        .def_ro("check", &FusionPatternNode::check)
        .def_ro("attrs_getter", &FusionPatternNode::attrs_getter);
  }
 
  static constexpr const char* _type_key = "relax.transform.FusionPattern";
  TVM_DECLARE_FINAL_OBJECT_INFO(FusionPatternNode, Object);
};
 
class FusionPattern : public ObjectRef {
 public:
  FusionPattern(String name, DFPattern pattern, Map<String, DFPattern> annotation_patterns,
                Optional<ffi::Function> check, Optional<ffi::Function> attrs_getter);
 
  FusionPattern(String name, DFPattern pattern)
      : FusionPattern(name, pattern, {}, std::nullopt, std::nullopt) {}
 
  TVM_DEFINE_NOTNULLABLE_OBJECT_REF_METHODS(FusionPattern, ObjectRef, FusionPatternNode);
};
 
class PatternCheckContextNode : public Object {
 public:
  Expr matched_expr;
 
  Map<String, Expr> annotated_expr;
 
  Map<Var, Expr> matched_bindings;
 
  Map<Var, Array<Var>> var_usages;
 
  Map<Expr, Var> value_to_bound_var;
 
  static void RegisterReflection() {
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<PatternCheckContextNode>()
        .def_ro("matched_expr", &PatternCheckContextNode::matched_expr)
        .def_ro("annotated_expr", &PatternCheckContextNode::annotated_expr)
        .def_ro("matched_bindings", &PatternCheckContextNode::matched_bindings)
        .def_ro("var_usages", &PatternCheckContextNode::var_usages)
        .def_ro("value_to_bound_var", &PatternCheckContextNode::value_to_bound_var);
  }
 
  static constexpr const char* _type_key = "relax.transform.PatternCheckContext";
  TVM_DECLARE_FINAL_OBJECT_INFO(PatternCheckContextNode, Object);
};
 
class PatternCheckContext : public ObjectRef {
 public:
  PatternCheckContext(Expr matched_expr, Map<String, Expr> annotated_expr,
                      Map<Var, Expr> matched_bindings, Map<Var, Array<Var>> var_usages,
                      Map<Expr, Var> value_to_bound_var);
 
  TVM_DEFINE_NOTNULLABLE_OBJECT_REF_METHODS(PatternCheckContext, ObjectRef,
                                            PatternCheckContextNode);
};
 
TVM_DLL Pass Gradient(String func_name, Optional<Array<Var>> require_grads = std::nullopt,
                      int target_index = 0);
 
TVM_DLL Pass FuseOpsByPattern(const tvm::Array<FusionPattern>& patterns, bool bind_constants = true,
                              bool annotate_codegen = false,
                              const tvm::Array<String>& entry_function_names = {});
 
TVM_DLL Pass MergeCompositeFunctions();
 
TVM_DLL Pass FuseTIR();
 
TVM_DLL Pass RunCodegen(Optional<Map<String, Map<String, ffi::Any>>> target_options,
                        Array<String> entry_functions);
 
TVM_DLL Pass DecomposeOpsForInference(Optional<String> func_name);
 
TVM_DLL Pass DecomposeOpsForTraining(Optional<String> func_name);
 
TVM_DLL Pass AlterOpImpl(const Map<String, tir::PrimFunc>& op_impl_map,
                         const Map<String, Array<tir::IndexMap>>& op_buffer_transforms,
                         const Map<String, Optional<Array<Array<IntImm>>>>& axis_separators,
                         const Map<String, Optional<Array<Array<IntImm>>>>& input_axis_separators);
 
TVM_DLL Pass ConvertLayout(Map<String, Array<String>> desired_layouts);
 
TVM_DLL Pass ConvertToDataflow(int min_size = 2);
 
TVM_DLL Pass DeadCodeElimination(Array<String> entry_functions = {});
 
TVM_DLL Pass DataflowUseInplaceCalls();
 
TVM_DLL Pass ToMixedPrecision(const DataType& out_dtype,
                              Optional<Array<String>> fp16_input_names = std::nullopt);
 
TVM_DLL Pass RewriteCUDAGraph();
 
TVM_DLL Pass FewShotTuning(int valid_count, bool benchmark);
 
}  // namespace transform
}  // namespace relax
}  // namespace tvm
 
#endif  // TVM_RELAX_TRANSFORM_H_