[FRONTEND] interpreter rewrite (#2321)

This is a new interpreter mode that shares semantic analysis with the
JIT'ed codepath and that the Triton core team is committed to maintain

.github/workflows/integration-tests.yml

@@ -33,6 +33,7 @@ jobs:
             echo '::set-output name=matrix-optional::["ubuntu-latest"]'
           fi
 
+
   Integration-Tests-Nvidia:
     needs: Runner-Preparation
 
@@ -119,6 +120,14 @@ jobs:
         run: |
           rm -rf ~/.triton
 
+      - name: Run interpreter tests
+        env:
+          # TRITON_INTERPRET: "1"
+          CUA_VISIBLE_DEVICES: ""
+        run: |
+          cd python/test/unit
+          python3 -m pytest -vs operators/test_flash_attention.py
+
       - name: Run partial tests on CUDA with ENABLE_TMA=1 and ENABLE_MMA_V3=1
         if: ${{ env.BACKEND == 'CUDA' && env.ENABLE_TMA == '1' && env.ENABLE_MMA_V3 == '1'}}
         run: |