|
| 1 | +import warnings |
| 2 | + |
| 3 | +# noinspection PyUnresolvedReferences |
| 4 | +from .....dialects.llvm import * |
| 5 | +from .....ir import Type, F16Type, F32Type, F64Type, BF16Type, IntegerType |
| 6 | + |
| 7 | +try: |
| 8 | + from llvm import intrinsic_is_overloaded, intrinsic_get_type, print_type_to_string |
| 9 | + from llvm import types_ |
| 10 | + from llvm.context import context as llvm_context |
| 11 | +except ImportError: |
| 12 | + warnings.warn( |
| 13 | + "llvm bindings not installed; call_intrinsic won't work without supplying return type explicitly" |
| 14 | + ) |
| 15 | + |
| 16 | + |
| 17 | +def llvm_ptr_t(): |
| 18 | + return Type.parse("!llvm.ptr") |
| 19 | + |
| 20 | + |
| 21 | +def mlir_type_to_llvm_type(mlir_type, llvm_ctx): |
| 22 | + if F16Type.isinstance(mlir_type): |
| 23 | + return types_.half_type_in_context(llvm_ctx) |
| 24 | + if F32Type.isinstance(mlir_type): |
| 25 | + return types_.float_type_in_context(llvm_ctx) |
| 26 | + if F64Type.isinstance(mlir_type): |
| 27 | + return types_.double_type_in_context(llvm_ctx) |
| 28 | + if BF16Type.isinstance(mlir_type): |
| 29 | + return types_.b_float_type_in_context(llvm_ctx) |
| 30 | + if IntegerType.isinstance(mlir_type): |
| 31 | + return types_.int_type_in_context(llvm_ctx, mlir_type.width) |
| 32 | + |
| 33 | + raise NotImplementedError(f"{mlir_type} is not supported") |
| 34 | + |
| 35 | + |
| 36 | +def llvm_type_str_to_mlir_type(llvm_type: str): |
| 37 | + if llvm_type.startswith("<"): |
| 38 | + return Type.parse(f"vector{llvm_type}") |
| 39 | + if llvm_type == "float": |
| 40 | + return F32Type.get() |
| 41 | + raise NotImplementedError(f"{llvm_type} is not supported") |
| 42 | + |
| 43 | + |
| 44 | +_call_intrinsic = call_intrinsic |
| 45 | + |
| 46 | + |
| 47 | +def call_intrinsic(*args, **kwargs): |
| 48 | + intr_id = kwargs.pop("intr_id") |
| 49 | + intr_name = kwargs.pop("intr_name") |
| 50 | + mlir_ret_type = kwargs.pop("return_type", None) |
| 51 | + if mlir_ret_type: |
| 52 | + return _call_intrinsic(mlir_ret_type, intr_name, args, [], []) |
| 53 | + |
| 54 | + is_overloaded = kwargs.pop("is_overloaded", None) |
| 55 | + if is_overloaded is None: |
| 56 | + is_overloaded = intrinsic_is_overloaded(intr_id) |
| 57 | + with llvm_context() as ctx: |
| 58 | + types = [] |
| 59 | + if is_overloaded: |
| 60 | + types = [mlir_type_to_llvm_type(a.type, ctx.context) for a in args] |
| 61 | + intr_decl_fn_ty = intrinsic_get_type(ctx.context, intr_id, types) |
| 62 | + |
| 63 | + ret_type_str = print_type_to_string(intr_decl_fn_ty).split(" (")[0].strip() |
| 64 | + mlir_ret_type = None |
| 65 | + if ret_type_str: |
| 66 | + mlir_ret_type = llvm_type_str_to_mlir_type(ret_type_str) |
| 67 | + |
| 68 | + return _call_intrinsic(mlir_ret_type, intr_name, args, [], []) |
| 69 | + |
| 70 | + |
| 71 | +call_intrinsic_ = call_intrinsic |
| 72 | + |
| 73 | +from . import amdgcn |
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