Temporarily disable predicated store (#5412)

This PR disables predicated store by default until
#5411 is
fixed.

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

python/test/unit/tools/test_disasm.py

@@ -34,4 +34,4 @@ def kernel(X, i: tl.constexpr):
     assert x[0] == 12
     dis = h.asm["spvdis"]
     # check that the spvdis has a store instruction.
-    assert "PredicatedStore" in dis
+    assert "OpStore" in dis

third_party/intel/lib/TritonIntelGPUToLLVM/LoadStoreOpToLLVM.cpp

@@ -3401,10 +3401,7 @@ struct StoreOpConversion
 
       if (maskVal) {
         // Create a predicated store operation.
-        std::optional<bool> enablePredicated =
-            mlir::triton::tools::isEnvValueBool(
-                mlir::triton::tools::getStrEnv("TRITON_INTEL_PREDICATED"));
-        if (!enablePredicated.has_value() || enablePredicated.value())
+        if (triton::tools::getBoolEnv("TRITON_INTEL_PREDICATED"))
           rewriter.create<TritonGEN::PredicatedStoreOp>(
               loc, addrElem, vecWord, b.i64_val(alignment), maskVal);
         else