Remove RewriteTensorPointer from the optimization pipeline

Signed-off-by: Tiotto, Ettore <[email protected]>

Author: etiotto

third_party/intel/backend/compiler.py

@@ -235,7 +235,8 @@ def make_ttgir(mod, metadata, opt, properties):
         intel.passes.ttgpuir.add_accelerate_matmul(pm)
         intel.passes.ttgpuir.add_remove_layout_conversions(pm)
         intel.passes.ttgpuir.add_materialize_block_pointer(pm)
-        intel.passes.ttgpuir.add_rewrite_tensor_pointer(pm)
+        if os.getenv("TRITON_INTEL_REWRITE_TENSOR_POINTER", "0") == "1":
+            intel.passes.ttgpuir.add_rewrite_tensor_pointer(pm)
         intel.passes.ttgpuir.add_pipeline(pm, opt.num_stages, False)
 
         intel.passes.ttgpuir.add_coalesce(pm)