Temporarily disable predicated load (#5409)

This PR disables predicated load by default until #5408 is fixed.

---------

Signed-off-by: Whitney Tsang <[email protected]>
Signed-off-by: Anatoly Myachev <[email protected]>
Co-authored-by: Anatoly Myachev <[email protected]>

Author: whitneywhtsang

scripts/skiplist/default/triton_kernels.txt

@@ -71,3 +71,4 @@ tests/test_matmul.py::test_op[False-True-True-True-False-None-16-1000-704-800-ra
 tests/test_matmul.py::test_op[False-True-True-True-False-None-16-1000-704-800-ragged-mxfloat8_e4m3fn-mxfloat4_e2m1-8-2-9-True-None-False-False-False]
 tests/test_matmul.py::test_op[False-True-True-True-False-None-16-16-16-1000-batched-float16-float16-5-1-None-False-None-False-False-False]
 tests/test_matmul.py::test_op[False-True-True-True-False-None-16-16-16-1000-batched-float8_e5m2-float8_e5m2-5-1-None-False-None-False-False-False]
+tests/test_matmul.py::test_op[False-False-False-False-False-None-128-1000-700-700-ragged-float16-float16-8-2-1-False-None-False-False-False]

third_party/intel/lib/TritonIntelGPUToLLVM/LoadStoreOpToLLVM.cpp

@@ -2956,10 +2956,7 @@ struct LoadOpConversion : public ConvertOpToLLVMPattern<triton::LoadOp>,
       Value ret;
       // Create a predicated load operation.
       if (pred) {
-        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"))
           ret = rewriter.create<TritonGEN::PredicatedLoadOp>(
               loc, retTy, addrElem, b.i64_val(alignment), pred, other_);
         else {