wehub-resource-sync
648 lines
22 KiB
Python
648 lines
22 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""
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Codegen tests for AArch64
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"""
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import re
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import pytest
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import tvm
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from tvm.script import ir as I
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from tvm.script import tirx as T
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from tvm.target.codegen import llvm_version_major
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_mul(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = A[v_i] * B[v_i]
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"mul\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert len(matches) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_add(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = A[v_i] + B[v_i]
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"add\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert len(matches) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_sub(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = A[v_i] - B[v_i]
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"sub\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert len(matches) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_muladd(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle, var_D: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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D = T.match_buffer(var_D, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("D"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i], C[v_i])
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T.writes(D[v_i])
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D[v_i] = A[v_i] * B[v_i] + C[v_i]
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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# Group the mad|mla alternation: a top-level alternation would let a bare
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# "mad" match anywhere in the assembly (e.g. inside scalar "fmadd").
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r"(?:mad|mla)\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]",
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assembly,
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)
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if llvm_version_major() >= 18 and dtype in ("float", "float16"):
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# Newer LLVM cost models (observed with LLVM 20) prefer a fixed-width
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# NEON main loop over a scalable SVE loop for floating-point fmuladd
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# on generic AArch64 targets, so also accept the NEON form.
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loads += re.findall(r"ld[rp]\tq[0-9]", assembly)
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matches += re.findall(r"fml[as]\tv[0-9]+\.[0-9]+[hs]", assembly)
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assert len(loads) > 1
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assert len(matches) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_max(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = T.max(A[v_i], B[v_i])
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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compare = re.findall(
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r"cmgt\tp[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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select = re.findall("sel\tz[0-9].[shdb], p[0-9], z[0-9].[shdb], z[0-9].[shdb]", assembly)
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max_instr = re.findall(
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r"max\tz[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert (len(compare) > 1 and len(select) == len(compare)) or len(max_instr) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_min(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = T.min(A[v_i], B[v_i])
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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compare = re.findall(
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r"cmgt\tp[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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select = re.findall("sel\tz[0-9].[shdb], p[0-9], z[0-9].[shdb], z[0-9].[shdb]", assembly)
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min_instr = re.findall(
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r"min\tz[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert (len(compare) > 1 and len(select) == len(compare)) or len(min_instr) > 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_div(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = tvm.tirx.div(A[v_i], B[v_i])
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"div\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert len(matches) >= 1
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype", ["uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"]
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)
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def test_mod(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), dtype=dtype)
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = T.floormod(A[v_i], B[v_i])
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"mls\tz[0-9].[shdb],( p[0-9]/[m],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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assert len(matches) > 0
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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)
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@pytest.mark.parametrize(
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"dtype",
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["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
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)
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def test_eq(dtype):
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target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
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T.func_attr({"tirx.noalias": True})
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m = T.int32()
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A = T.match_buffer(var_A, (m,), dtype=dtype)
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B = T.match_buffer(var_B, (m,), dtype=dtype)
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C = T.match_buffer(var_C, (m,), "bool")
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for i in range(m):
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with T.sblock("C"):
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v_i = T.axis.spatial(m, i)
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T.reads(A[v_i], B[v_i])
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T.writes(C[v_i])
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C[v_i] = A[v_i] == B[v_i]
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with tvm.target.Target(target):
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f = tvm.tirx.build(Module)
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assembly = f.inspect_source("asm")
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loads = re.findall("ld1[whdb] { z", assembly)
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matches = re.findall(
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r"cm(p)?eq\tp[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
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)
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assert len(loads) > 1
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# The number of SVE compares depends on the LLVM cost model: LLVM <= 17
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# interleaves the scalable loop by two, while LLVM 20 emits a fixed-width
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# NEON main loop with a single predicated SVE epilogue.
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assert len(matches) > 0
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@pytest.mark.skipif(
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llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
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|
)
|
|
@pytest.mark.parametrize(
|
|
"dtype",
|
|
["float", "float16", "uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"],
|
|
)
|
|
def test_neq(dtype):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,), dtype=dtype)
|
|
B = T.match_buffer(var_B, (m,), dtype=dtype)
|
|
C = T.match_buffer(var_C, (m,), "bool")
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(A[v_i], B[v_i])
|
|
T.writes(C[v_i])
|
|
C[v_i] = A[v_i] != B[v_i]
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
assembly = f.inspect_source("asm")
|
|
loads = re.findall("ld1[whdb] { z", assembly)
|
|
matches = re.findall(
|
|
r"cm(p)?(gt|ne)\tp[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
|
|
)
|
|
|
|
assert len(loads) > 1
|
|
# The number of SVE compares depends on the LLVM cost model: LLVM <= 17
|
|
# interleaves the scalable loop by two, while LLVM 20 emits a fixed-width
|
|
# NEON main loop with a single predicated SVE epilogue.
|
|
assert len(matches) > 0
|
|
|
|
|
|
@pytest.mark.skipif(
|
|
llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"dtype", ["uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"]
|
|
)
|
|
def test_or(dtype):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,), dtype=dtype)
|
|
B = T.match_buffer(var_B, (m,), dtype=dtype)
|
|
C = T.match_buffer(var_C, (m,), dtype=dtype)
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(A[v_i], B[v_i])
|
|
T.writes(C[v_i])
|
|
C[v_i] = A[v_i] | B[v_i]
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
assembly = f.inspect_source("asm")
|
|
loads = re.findall("ld1[whdb] { z", assembly)
|
|
matches = re.findall(
|
|
r"orr\tz[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
|
|
)
|
|
|
|
assert len(loads) > 1
|
|
assert len(matches) > 1
|
|
|
|
|
|
@pytest.mark.skipif(
|
|
llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"dtype", ["uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"]
|
|
)
|
|
def test_and(dtype):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,), dtype=dtype)
|
|
B = T.match_buffer(var_B, (m,), dtype=dtype)
|
|
C = T.match_buffer(var_C, (m,), dtype=dtype)
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(A[v_i], B[v_i])
|
|
T.writes(C[v_i])
|
|
C[v_i] = A[v_i] & B[v_i]
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
assembly = f.inspect_source("asm")
|
|
loads = re.findall("ld1[whdb] { z", assembly)
|
|
matches = re.findall(
|
|
r"and\tz[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
|
|
)
|
|
|
|
assert len(loads) > 1
|
|
assert len(matches) > 1
|
|
|
|
|
|
@pytest.mark.skipif(
|
|
llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"dtype", ["uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"]
|
|
)
|
|
def test_not(dtype):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,), dtype=dtype)
|
|
C = T.match_buffer(var_C, (m,), dtype=dtype)
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(A[v_i])
|
|
T.writes(C[v_i])
|
|
C[v_i] = ~A[v_i]
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
assembly = f.inspect_source("asm")
|
|
loads = re.findall("ld1[whdb] { z", assembly)
|
|
matches = re.findall(
|
|
r"eor\tz[0-9].[shdb],( p[0-9]/[zm],)? z[0-9].[shdb], z[0-9].[shdb]", assembly
|
|
)
|
|
|
|
assert len(loads) > 1
|
|
assert len(matches) > 1
|
|
|
|
|
|
@pytest.mark.skipif(
|
|
llvm_version_major() < 15, reason="Test requires an LLVM version of at least 15 to target SVE"
|
|
)
|
|
@pytest.mark.xfail(
|
|
reason="Awaiting llvm support for gathered loads",
|
|
strict=True,
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"dtype", ["uint8", "uint16", "uint32", "uint64", "int8", "int16", "int32", "int64"]
|
|
)
|
|
def test_memcpy(dtype):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": ["+sve"]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_B: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,), dtype=dtype)
|
|
B = T.match_buffer(var_B, (m,), "int32")
|
|
C = T.match_buffer(var_C, (m,), dtype=dtype)
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(B[v_i], A[B[v_i]])
|
|
T.writes(C[v_i])
|
|
C[v_i] = A[B[v_i]]
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
assembly = f.inspect_source("asm")
|
|
loads = re.findall("ld1[whdb] { z", assembly)
|
|
|
|
assert len(loads) > 0
|
|
|
|
|
|
@pytest.mark.skipif(
|
|
llvm_version_major() < 13,
|
|
reason="Function attribute vscale_range() is not supported in earlier versions of LLVM",
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"mattr,expect_attr",
|
|
[
|
|
("+neon", False),
|
|
("+sve", True),
|
|
# Since LLVM 19, SVE/SVE2 are optional extensions of Armv9.0-A, so
|
|
# "+v9a" no longer implies "+sve" and no vscale_range() is added:
|
|
# https://releases.llvm.org/19.1.0/docs/ReleaseNotes.html#changes-to-the-aarch64-backend
|
|
("+v9a", llvm_version_major() < 19),
|
|
("+sme", True),
|
|
],
|
|
)
|
|
def test_vscale_range_function_attribute(mattr, expect_attr):
|
|
target = {"kind": "llvm", "mtriple": "aarch64-linux-gnu", "mattr": [mattr]}
|
|
|
|
@I.ir_module(s_tir=True)
|
|
class Module:
|
|
@T.prim_func(s_tir=True)
|
|
def main(var_A: T.handle, var_C: T.handle):
|
|
T.func_attr({"tirx.noalias": True})
|
|
m = T.int32()
|
|
A = T.match_buffer(var_A, (m,))
|
|
C = T.match_buffer(var_C, (m,))
|
|
for i in range(m):
|
|
with T.sblock("C"):
|
|
v_i = T.axis.spatial(m, i)
|
|
T.reads(A[v_i])
|
|
T.writes(C[v_i])
|
|
C[v_i] = A[v_i] + T.float32(1)
|
|
|
|
with tvm.target.Target(target):
|
|
f = tvm.tirx.build(Module)
|
|
|
|
# Check if the vscale_range() attribute exists
|
|
ll = f.inspect_source("ll")
|
|
attr = re.findall(r".*vscale_range\(\d+,\d+\)*.", ll)
|
|
|
|
if expect_attr:
|
|
assert len(attr) > 0, "Function attribute vscale_range() was not found in generated LLVM IR"
|
|
else:
|
|
assert len(attr) == 0, (
|
|
"Unexpected function attribute vscale_range() was found in generated LLVM IR"
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
tvm.testing.main()
|