tests: More cleanup and add MPI tests

.github/workflows/ci-mlir-mpi.yml

@@ -0,0 +1,47 @@
+# This workflow will install MLIR, Python dependencies, run tests and lint with a single version of Python
+# File inherited from https://github.com/xdslproject/xdsl/blob/main/.github/workflows/ci-mlir.yml
+
+name: CI - MLIR-based Testing
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the master branch
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: gbisbas/xdsl-llvm:0.1
+    steps:
+    - name: Checkout Devito
+      uses: actions/checkout@v3
+
+    - name: Install native dependencies
+      run: |
+        apt install -y curl mpich
+
+    - name: Upgrade pip
+      run: |
+        pip install --upgrade pip
+
+    - name: Install requirements and xDSL
+      run: |
+        pip install -e .[tests]
+        pip install mpi4py
+        pip install xdsl==0.14
+
+    - name: Test with MPI
+      run: |
+        # Add mlir-opt to the path
+        export PATH=/xdsl-sc/llvm-project/build/bin/:$PATH
+        pytest -m "parallel" -k "not adjoint" tests/

.github/workflows/ci-mlir.yml

@@ -40,7 +40,7 @@ jobs:
         pip install mpi4py
         pip install xdsl==0.14
 
-    - name: Test with pytest and generate code coverage
+    - name: Test non-MPI
       run: |
         # Add mlir-opt to the path
         export PATH=/xdsl-sc/llvm-project/build/bin/:$PATH

devito/__init__.py

@@ -44,7 +44,7 @@
 
 
 # Imports from xdsl
-from devito.xdslpasses import *  # noqa
+# from devito.xdslpasses import *  # noqa
 
 from ._version import get_versions  # noqa
 __version__ = get_versions()['version']

devito/ir/iet/visitors.py

@@ -1252,4 +1252,4 @@ def generate(self):
             tip += ";"
         if self.cast:
             tip = '(%s)%s' % (self.cast, tip)
-        yield tip
+        yield tip