mlir/test/python/dialects/llvm.py

# RUN: %PYTHON %s | FileCheck %s
# This is just a smoke test that the dialect is functional.

from mlir.ir import *
from mlir.dialects import llvm


def constructAndPrintInModule(f):
    print("\nTEST:", f.__name__)
    with Context(), Location.unknown():
        module = Module.create()
        with InsertionPoint(module.body):
            f()
        print(module)
    return f


# CHECK-LABEL: testSmoke
@constructAndPrintInModule
def testSmoke():
    mat64f32_t = Type.parse(
        "!llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32)>"
    )
    result = llvm.UndefOp(mat64f32_t)
    # CHECK: %0 = llvm.mlir.undef : !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32)>