diff --git a/sycl/test-e2e/AddressCast/dynamic_address_cast.cpp b/sycl/test-e2e/AddressCast/dynamic_address_cast.cpp
index 3bdefc533ea5b..43f4b655ea6ad 100644
--- a/sycl/test-e2e/AddressCast/dynamic_address_cast.cpp
+++ b/sycl/test-e2e/AddressCast/dynamic_address_cast.cpp
@@ -12,6 +12,10 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <sycl/detail/core.hpp>
 
 #include <sycl/ext/oneapi/experimental/address_cast.hpp>
diff --git a/sycl/test-e2e/AddressSanitizer/lit.local.cfg b/sycl/test-e2e/AddressSanitizer/lit.local.cfg
index 233ba3789467e..333a2d388c9ab 100644
--- a/sycl/test-e2e/AddressSanitizer/lit.local.cfg
+++ b/sycl/test-e2e/AddressSanitizer/lit.local.cfg
@@ -13,3 +13,6 @@ if "-fsanitize=memory" in config.cxx_flags:
 
 # https://github.com/intel/llvm/issues/15953
 config.unsupported_features += ['gpu-intel-gen12']
+
+# CMPLRLLVM-64052
+config.unsupported_features += ['spirv-backend']
diff --git a/sycl/test-e2e/AddressSanitizer/out-of-bounds/DeviceGlobal/multi_device_images.cpp b/sycl/test-e2e/AddressSanitizer/out-of-bounds/DeviceGlobal/multi_device_images.cpp
index 5cab931adc4ab..05b044a5ead5d 100644
--- a/sycl/test-e2e/AddressSanitizer/out-of-bounds/DeviceGlobal/multi_device_images.cpp
+++ b/sycl/test-e2e/AddressSanitizer/out-of-bounds/DeviceGlobal/multi_device_images.cpp
@@ -4,6 +4,9 @@
 // RUN: %clangxx -fsycl %device_asan_flags -O2 -g %t1.o %t2.o -o %t.out
 // RUN: %{run} not %t.out 2>&1 | FileCheck %s
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/detail/core.hpp>
 
 #include <sycl/ext/oneapi/device_global/device_global.hpp>
diff --git a/sycl/test-e2e/AddressSanitizer/out-of-bounds/local/multiple_source.cpp b/sycl/test-e2e/AddressSanitizer/out-of-bounds/local/multiple_source.cpp
index abb152ab4719a..797eb4de216be 100644
--- a/sycl/test-e2e/AddressSanitizer/out-of-bounds/local/multiple_source.cpp
+++ b/sycl/test-e2e/AddressSanitizer/out-of-bounds/local/multiple_source.cpp
@@ -3,6 +3,10 @@
 // RUN: %{build} %device_asan_flags -O2 -g -DUSER_CODE_2 -c -o %t2.o
 // RUN: %clangxx -fsycl %device_asan_flags -O2 -g %t1.o %t2.o -o %t.out
 // RUN: %{run} not %t.out 2>&1 | FileCheck %s
+
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/usm.hpp>
 
 constexpr std::size_t N = 4;
diff --git a/sycl/test-e2e/BFloat16/bfloat16_builtins.cpp b/sycl/test-e2e/BFloat16/bfloat16_builtins.cpp
index 7d58e048519f4..08f0d943a2dd0 100644
--- a/sycl/test-e2e/BFloat16/bfloat16_builtins.cpp
+++ b/sycl/test-e2e/BFloat16/bfloat16_builtins.cpp
@@ -12,6 +12,11 @@
 // RUN:  %if preview-breaking-changes-supported %{  %clangxx -fsycl -fpreview-breaking-changes %{sycl_target_opts} %if any-device-is-cuda %{ -Xsycl-target-backend=nvptx64-nvidia-cuda --cuda-gpu-arch=sm_80 %} %s -o %t2.out %{mathflags} %}
 // RUN:  %if preview-breaking-changes-supported %{  %{run} %t2.out  %}
 
+// Flaky timeout on CPU. Enable when fixed.
+// Depends on SPIR-V Backend & run-time drivers version.
+// UNSUPPORTED: spirv-backend && cpu
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64705
+
 #include "bfloat16_builtins.hpp"
 
 int main() {
diff --git a/sycl/test-e2e/Basic/backend_info.cpp b/sycl/test-e2e/Basic/backend_info.cpp
index f61b1809a6e46..d5fa958f45b18 100644
--- a/sycl/test-e2e/Basic/backend_info.cpp
+++ b/sycl/test-e2e/Basic/backend_info.cpp
@@ -1,7 +1,7 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 //
-// RUN: %{build} -DTEST_ERRORS -D_GLIBCXX_USE_CXX11_ABI=0 -fsyntax-only -Xclang -verify -Xclang -verify-ignore-unexpected=note
+// RUN: %{build} -DTEST_ERRORS -D_GLIBCXX_USE_CXX11_ABI=0 -fsyntax-only -Wno-error=unused-command-line-argument -Xclang -verify -Xclang -verify-ignore-unexpected=note
 
 //==--- backend_info.cpp - SYCL backend info test---------------------------==//
 //
diff --git a/sycl/test-e2e/Basic/multisource.cpp b/sycl/test-e2e/Basic/multisource.cpp
index db7b4dbf39e74..08809d8582535 100644
--- a/sycl/test-e2e/Basic/multisource.cpp
+++ b/sycl/test-e2e/Basic/multisource.cpp
@@ -19,6 +19,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t.init.o %t.calc.o %t.main.o -Wno-unused-command-line-argument -o %t2.fat
 // RUN: %{run} %t2.fat
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/detail/core.hpp>
 
 #include <iostream>
diff --git a/sycl/test-e2e/Basic/multisource_spv_obj.cpp b/sycl/test-e2e/Basic/multisource_spv_obj.cpp
index 25ff92eda2c77..b27919f65d7be 100644
--- a/sycl/test-e2e/Basic/multisource_spv_obj.cpp
+++ b/sycl/test-e2e/Basic/multisource_spv_obj.cpp
@@ -28,6 +28,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t.init.o %t.calc.o %t.main.o -Wno-unused-command-line-argument -o %t3.fat
 // RUN: %{run} %t3.fat
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/detail/core.hpp>
 
 #include <iostream>
diff --git a/sycl/test-e2e/Compression/compression.cpp b/sycl/test-e2e/Compression/compression.cpp
index 26147407f73c7..3c7d765f2e12f 100644
--- a/sycl/test-e2e/Compression/compression.cpp
+++ b/sycl/test-e2e/Compression/compression.cpp
@@ -6,3 +6,6 @@
 // RUN: %{run} %t_not_compress.out
 // RUN: %{run} %t_compress.out
 // RUN: not diff %t_not_compress.out %t_compress.out
+
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
diff --git a/sycl/test-e2e/Config/env_vars.cpp b/sycl/test-e2e/Config/env_vars.cpp
index 7316ed5095dad..4d243f1841d51 100644
--- a/sycl/test-e2e/Config/env_vars.cpp
+++ b/sycl/test-e2e/Config/env_vars.cpp
@@ -13,6 +13,9 @@
 // RUN: %if cpu %{ env SYCL_PROGRAM_COMPILE_OPTIONS="-enable-link-options -cl-denorms-are-zero" SHOULD_CRASH=1 %{run} %t.out %}
 // RUN: %if cpu %{ env SYCL_PROGRAM_APPEND_COMPILE_OPTIONS="-enable-link-options -cl-denorms-are-zero" SHOULD_CRASH=1 %{run} %t.out %}
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include "../helpers.hpp"
 #include <cassert>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/DeviceArchitecture/device_architecture_comparison_on_device_aot.cpp b/sycl/test-e2e/DeviceArchitecture/device_architecture_comparison_on_device_aot.cpp
index 6076834aac650..71da42fa85969 100644
--- a/sycl/test-e2e/DeviceArchitecture/device_architecture_comparison_on_device_aot.cpp
+++ b/sycl/test-e2e/DeviceArchitecture/device_architecture_comparison_on_device_aot.cpp
@@ -1,6 +1,6 @@
 // REQUIRES: arch-intel_gpu_pvc, ocloc
 
-// XFAIL: arch-intel_gpu_pvc && opencl && igc-dev
+// XFAIL: arch-intel_gpu_pvc && opencl && igc-dev && !spirv-backend
 // XFAIL-TRACKER: https://github.com/intel/llvm/issues/16401
 
 // RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc %s -o %t.out
diff --git a/sycl/test-e2e/DeviceCodeSplit/grf.cpp b/sycl/test-e2e/DeviceCodeSplit/grf.cpp
index 3642483e52566..62f1a76a5f017 100644
--- a/sycl/test-e2e/DeviceCodeSplit/grf.cpp
+++ b/sycl/test-e2e/DeviceCodeSplit/grf.cpp
@@ -17,6 +17,10 @@
 // XFAIL: arch-intel_gpu_pvc && opencl
 // XFAIL-TRACKER: https://github.com/intel/llvm/issues/16401
 
+// Flaky pass/fail behaviour.
+// UNSUPPORTED: spirv-backend
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64705
+
 // RUN: %{build} -Wno-error=deprecated-declarations -o %t1.out
 // RUN: env SYCL_UR_TRACE=2 %{run} %t1.out 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-NO-VAR
 // RUN: env SYCL_PROGRAM_COMPILE_OPTIONS="-g" SYCL_UR_TRACE=2 %{run} %t1.out 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-WITH-VAR
diff --git a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/dynamic.cpp b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/dynamic.cpp
index ff75d442cb892..4df006681987f 100644
--- a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/dynamic.cpp
+++ b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/dynamic.cpp
@@ -19,6 +19,9 @@
 
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16319
+
 #include "a.hpp"
 #include <iostream>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/free_function_kernels.cpp b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/free_function_kernels.cpp
index f0de42b7f13f9..33e1001f45028 100644
--- a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/free_function_kernels.cpp
+++ b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/free_function_kernels.cpp
@@ -11,6 +11,9 @@
 // XFAIL: hip
 // XFAIL-TRACKER: https://github.com/intel/llvm/issues/15742
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16319
+
 #include <iostream>
 #include <sycl/detail/core.hpp>
 #include <sycl/ext/oneapi/free_function_queries.hpp>
diff --git a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/math_device_lib.cpp b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/math_device_lib.cpp
index 949063d62b0c1..09723cf3d725b 100644
--- a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/math_device_lib.cpp
+++ b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/math_device_lib.cpp
@@ -7,6 +7,9 @@
 // RUN: %{build} --offload-new-driver -fsycl-allow-device-image-dependencies -fsycl-device-lib-jit-link %{mathflags} -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16319
+
 #include <cmath>
 #include <sycl/detail/core.hpp>
 
diff --git a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/objects.cpp b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/objects.cpp
index 9e71e88a35422..976cbfcaf7488 100644
--- a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/objects.cpp
+++ b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/objects.cpp
@@ -10,6 +10,9 @@
 // RUN: %{build} --offload-new-driver -fsycl-allow-device-image-dependencies %t_a.o %t_b.o %t_c.o %t_d.o -I %S/Inputs -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16319
+
 #include "a.hpp"
 #include <iostream>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/singleDynamicLibrary.cpp b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/singleDynamicLibrary.cpp
index cde5f7cdbaad9..cf1da88594b3c 100644
--- a/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/singleDynamicLibrary.cpp
+++ b/sycl/test-e2e/DeviceImageDependencies/NewOffloadDriver/singleDynamicLibrary.cpp
@@ -20,6 +20,9 @@
 
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16319
+
 #include "wrapper.hpp"
 
 int main() { return (wrapper()); }
diff --git a/sycl/test-e2e/DeviceLib/ITTAnnotations/atomic.cpp b/sycl/test-e2e/DeviceLib/ITTAnnotations/atomic.cpp
index 272c21885365f..5f6ae8e73fae5 100644
--- a/sycl/test-e2e/DeviceLib/ITTAnnotations/atomic.cpp
+++ b/sycl/test-e2e/DeviceLib/ITTAnnotations/atomic.cpp
@@ -1,6 +1,9 @@
 // RUN: %{build} -Wno-error=unused-command-line-argument -fsycl-instrument-device-code -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include "sycl/atomic_ref.hpp"
 #include "sycl/detail/core.hpp"
 
diff --git a/sycl/test-e2e/DeviceLib/ITTAnnotations/barrier.cpp b/sycl/test-e2e/DeviceLib/ITTAnnotations/barrier.cpp
index 6597b06576744..99b4294a3fab9 100644
--- a/sycl/test-e2e/DeviceLib/ITTAnnotations/barrier.cpp
+++ b/sycl/test-e2e/DeviceLib/ITTAnnotations/barrier.cpp
@@ -1,6 +1,9 @@
 // RUN: %{build} -Wno-error=unused-command-line-argument -fsycl-instrument-device-code -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include "sycl/detail/core.hpp"
 #include <vector>
 
diff --git a/sycl/test-e2e/DeviceLib/imf_fp16_trivial_test.cpp b/sycl/test-e2e/DeviceLib/imf_fp16_trivial_test.cpp
index 24ea52f391695..5006933ca3c73 100644
--- a/sycl/test-e2e/DeviceLib/imf_fp16_trivial_test.cpp
+++ b/sycl/test-e2e/DeviceLib/imf_fp16_trivial_test.cpp
@@ -13,6 +13,10 @@
 // Windows doesn't yet have full shutdown().
 // UNSUPPORTED: ze_debug && windows
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include "imf_utils.hpp"
 #include <cmath>
 #include <sycl/ext/intel/math.hpp>
diff --git a/sycl/test-e2e/DeviceLib/imf_fp64_rounding_test.cpp b/sycl/test-e2e/DeviceLib/imf_fp64_rounding_test.cpp
index 4952d959988a9..82d925588850a 100644
--- a/sycl/test-e2e/DeviceLib/imf_fp64_rounding_test.cpp
+++ b/sycl/test-e2e/DeviceLib/imf_fp64_rounding_test.cpp
@@ -7,6 +7,10 @@
 //
 // UNSUPPORTED: cuda || hip
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include "imf_utils.hpp"
 #include <sycl/ext/intel/math.hpp>
 
diff --git a/sycl/test-e2e/DeviceLib/imf_half_type_cast.cpp b/sycl/test-e2e/DeviceLib/imf_half_type_cast.cpp
index 2491def1cff18..3b613f1bae300 100644
--- a/sycl/test-e2e/DeviceLib/imf_half_type_cast.cpp
+++ b/sycl/test-e2e/DeviceLib/imf_half_type_cast.cpp
@@ -12,6 +12,10 @@
 // Windows doesn't yet have full shutdown().
 // UNSUPPORTED: ze_debug && windows
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include "imf_utils.hpp"
 #include <sycl/ext/intel/math.hpp>
 
diff --git a/sycl/test-e2e/DeviceLib/imf_simd_emulate_test.cpp b/sycl/test-e2e/DeviceLib/imf_simd_emulate_test.cpp
index 241e8a15c681e..36293d56e595a 100644
--- a/sycl/test-e2e/DeviceLib/imf_simd_emulate_test.cpp
+++ b/sycl/test-e2e/DeviceLib/imf_simd_emulate_test.cpp
@@ -5,6 +5,10 @@
 // RUN: %{run} %t2.out
 //
 // UNSUPPORTED: cuda || hip
+
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include "imf_utils.hpp"
 #include <sycl/detail/core.hpp>
 #include <sycl/ext/intel/math.hpp>
diff --git a/sycl/test-e2e/ESIMD/lit.local.cfg b/sycl/test-e2e/ESIMD/lit.local.cfg
index 26c51002c514c..fe0857dabc270 100644
--- a/sycl/test-e2e/ESIMD/lit.local.cfg
+++ b/sycl/test-e2e/ESIMD/lit.local.cfg
@@ -21,3 +21,6 @@ for substitution in config.substitutions:
     original_clangxx=substitution[1]
 config.substitutions.insert(0,
   ("%clangxx", original_clangxx+" -Wno-error=deprecated-declarations"))
+
+# At the moment SPIR-V Backend has no plans to support this feature.
+config.unsupported_features += ['spirv-backend']
diff --git a/sycl/test-e2e/GroupAlgorithm/SYCL2020/group_sort/group_and_joint_sort.cpp b/sycl/test-e2e/GroupAlgorithm/SYCL2020/group_sort/group_and_joint_sort.cpp
index a5ca0006b79ed..ab7ff36dd7c19 100644
--- a/sycl/test-e2e/GroupAlgorithm/SYCL2020/group_sort/group_and_joint_sort.cpp
+++ b/sycl/test-e2e/GroupAlgorithm/SYCL2020/group_sort/group_and_joint_sort.cpp
@@ -2,6 +2,11 @@
 // RUN: %{build} -fsycl-device-code-split=per_kernel -o %t.out
 // RUN: %{run} %t.out
 
+// Timeout on CPU. Enable when fixed.
+// Depends on SPIR-V Backend & run-time drivers version.
+// UNSUPPORTED: spirv-backend && cpu
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64705
+
 // The test verifies sort API extension.
 // Currently it checks the following combinations:
 // For number of elements {18, 64}
diff --git a/sycl/test-e2e/GroupAlgorithm/SYCL2020/reduce_over_group_size.cpp b/sycl/test-e2e/GroupAlgorithm/SYCL2020/reduce_over_group_size.cpp
index a9dc4e352838f..12029762fe364 100644
--- a/sycl/test-e2e/GroupAlgorithm/SYCL2020/reduce_over_group_size.cpp
+++ b/sycl/test-e2e/GroupAlgorithm/SYCL2020/reduce_over_group_size.cpp
@@ -8,6 +8,9 @@
 // RUN: %{build} %O0 -o %t_O0.out
 // RUN: %{run} %t_O0.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 /*
     test performs a lattice reduction.
     sycl::vec<float> is sensitive to .get_size() vs .size() in SYCL headers
diff --git a/sycl/test-e2e/HierPar/hier_par_wgscope_O0.cpp b/sycl/test-e2e/HierPar/hier_par_wgscope_O0.cpp
index 59a03f18feb4c..662b38334b122 100644
--- a/sycl/test-e2e/HierPar/hier_par_wgscope_O0.cpp
+++ b/sycl/test-e2e/HierPar/hier_par_wgscope_O0.cpp
@@ -9,6 +9,9 @@
 
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 // This test checks correctness of hierarchical kernel execution when there is
 // code and data in the work group scope, and when the test is compiled with
 // -O0 switch.
diff --git a/sycl/test-e2e/InvokeSimd/lit.local.cfg b/sycl/test-e2e/InvokeSimd/lit.local.cfg
index 7f24b7421e028..29a87ab4a0a70 100644
--- a/sycl/test-e2e/InvokeSimd/lit.local.cfg
+++ b/sycl/test-e2e/InvokeSimd/lit.local.cfg
@@ -6,3 +6,6 @@ config.required_features += ['gpu']
 # TODO: enable on Windows once driver is ready.
 if platform.system() != "Linux":
    config.unsupported = True
+
+# At the moment SPIR-V Backend has no plans to support this feature.
+config.unsupported_features += ['spirv-backend']
diff --git a/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options-env.cpp b/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options-env.cpp
index aec55eceddfe6..79b593270412f 100644
--- a/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options-env.cpp
+++ b/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options-env.cpp
@@ -7,6 +7,10 @@
 // RUN: env SYCL_UR_TRACE=2 SYCL_PROGRAM_COMPILE_OPTIONS=-DENV_COMPILE_OPTS SYCL_PROGRAM_LINK_OPTIONS=-DENV_LINK_OPTS SYCL_PROGRAM_APPEND_COMPILE_OPTIONS=-DENV_APPEND_COMPILE_OPTS SYCL_PROGRAM_APPEND_LINK_OPTIONS=-DENV_APPEND_LINK_OPTS %{run} %t2.out | FileCheck %s
 // UNSUPPORTED: hip
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include "kernel-bundle-merge-options.hpp"
 
 // CHECK: <--- urProgramBuild{{.*}}{{[^bar]*}}-DENV_COMPILE_OPTS -DENV_APPEND_COMPILE_OPTS{{[^bar]*}}-DENV_LINK_OPTS -DENV_APPEND_LINK_OPTS{{[^bar]*}}
diff --git a/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options.cpp b/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options.cpp
index 10037fe75f6b4..b713f4d9064d8 100644
--- a/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options.cpp
+++ b/sycl/test-e2e/KernelAndProgram/kernel-bundle-merge-options.cpp
@@ -3,6 +3,10 @@
 // RUN: env SYCL_UR_TRACE=2 %{run} %t.out | FileCheck %s
 // UNSUPPORTED: hip
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 // Note that the UR call might be urProgramBuild OR urProgramBuildExp .
 // The same is true for Compile and Link.
 // We want the first match. Don't put parentheses after.
diff --git a/sycl/test-e2e/KernelAndProgram/persistent-cache-multi-device.cpp b/sycl/test-e2e/KernelAndProgram/persistent-cache-multi-device.cpp
index 48a9bdf74d8cf..131c78e40026c 100644
--- a/sycl/test-e2e/KernelAndProgram/persistent-cache-multi-device.cpp
+++ b/sycl/test-e2e/KernelAndProgram/persistent-cache-multi-device.cpp
@@ -5,6 +5,10 @@
 // RUN: env NEOReadDebugKeys=1 CreateMultipleRootDevices=3 SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_TRACE=1 SYCL_CACHE_DIR=%t/cache_dir env -u XDG_CACHE_HOME env -u HOME %{run} %t.out 2>&1 | FileCheck %s --check-prefixes=CHECK-BUILD
 // RUN: env NEOReadDebugKeys=1 CreateMultipleRootDevices=3 SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_TRACE=1 SYCL_CACHE_DIR=%t/cache_dir env -u XDG_CACHE_HOME env -u HOME %{run} %t.out 2>&1 | FileCheck %s --check-prefixes=CHECK-CACHE
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 // Test checks that persistent cache works correctly with multiple devices.
 
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/KernelCompiler/kernel_compiler_sycl.cpp b/sycl/test-e2e/KernelCompiler/kernel_compiler_sycl.cpp
index d8b020e971d4a..c35d6c408265f 100644
--- a/sycl/test-e2e/KernelCompiler/kernel_compiler_sycl.cpp
+++ b/sycl/test-e2e/KernelCompiler/kernel_compiler_sycl.cpp
@@ -9,6 +9,11 @@
 // REQUIRES: (opencl || level_zero)
 // UNSUPPORTED: accelerator
 
+// Flaky timeout on CPU. Enable when fixed.
+// Depends on SPIR-V Backend & run-time drivers version.
+// UNSUPPORTED: spirv-backend && cpu
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64705
+
 // -- Test the kernel_compiler with SYCL source.
 // RUN: %{build} -o %t.out
 
diff --git a/sycl/test-e2e/LLVMIntrinsicLowering/bitreverse.cpp b/sycl/test-e2e/LLVMIntrinsicLowering/bitreverse.cpp
index 6217ac66ade30..e1d3a76c70b4d 100644
--- a/sycl/test-e2e/LLVMIntrinsicLowering/bitreverse.cpp
+++ b/sycl/test-e2e/LLVMIntrinsicLowering/bitreverse.cpp
@@ -2,6 +2,9 @@
 
 // UNSUPPORTED: hip || cuda
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16318, CMPLRLLVM-62187
+
 // Make dump directory.
 // RUN: rm -rf %t.spvdir && mkdir %t.spvdir
 
diff --git a/sycl/test-e2e/LLVMIntrinsicLowering/sub_byte_bitreverse.cpp b/sycl/test-e2e/LLVMIntrinsicLowering/sub_byte_bitreverse.cpp
index fe22a32a49d2a..976d30b6be49c 100644
--- a/sycl/test-e2e/LLVMIntrinsicLowering/sub_byte_bitreverse.cpp
+++ b/sycl/test-e2e/LLVMIntrinsicLowering/sub_byte_bitreverse.cpp
@@ -6,6 +6,9 @@
 // XFAIL: gpu
 // XFAIL-TRACKER: https://github.com/intel/intel-graphics-compiler/issues/330
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16318, CMPLRLLVM-62187
+
 // Make dump directory.
 // RUN: rm -rf %t.spvdir && mkdir %t.spvdir
 
diff --git a/sycl/test-e2e/Matrix/lit.local.cfg b/sycl/test-e2e/Matrix/lit.local.cfg
new file mode 100644
index 0000000000000..fe942ed141799
--- /dev/null
+++ b/sycl/test-e2e/Matrix/lit.local.cfg
@@ -0,0 +1,4 @@
+# SPIR-V Backend is in process of developing support for this feature.
+# At the moment support of the feature depends on SPIR-V Backend & run-time
+# drivers version, so we temporarily mark it as unsupported (CMPLRLLVM-64705).
+config.unsupported_features += ['spirv-backend']
diff --git a/sycl/test-e2e/MemorySanitizer/check_buffer.cpp b/sycl/test-e2e/MemorySanitizer/check_buffer.cpp
index df4c6ef7bfc5a..02781c560ea85 100644
--- a/sycl/test-e2e/MemorySanitizer/check_buffer.cpp
+++ b/sycl/test-e2e/MemorySanitizer/check_buffer.cpp
@@ -6,6 +6,9 @@
 // RUN: %{build} %device_msan_flags -O2 -g -o %t3.out
 // RUN: %{run} not %t3.out 2>&1 | FileCheck %s
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 
 __attribute__((noinline)) long long foo(int data1, long long data2) {
diff --git a/sycl/test-e2e/MemorySanitizer/check_call.cpp b/sycl/test-e2e/MemorySanitizer/check_call.cpp
index aa2a608027876..1d271bcb79ed2 100644
--- a/sycl/test-e2e/MemorySanitizer/check_call.cpp
+++ b/sycl/test-e2e/MemorySanitizer/check_call.cpp
@@ -6,6 +6,9 @@
 // RUN: %{build} %device_msan_flags -O2 -g -o %t3.out
 // RUN: %{run} not %t3.out 2>&1 | FileCheck %s
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 #include <sycl/usm.hpp>
 
diff --git a/sycl/test-e2e/MemorySanitizer/check_divide.cpp b/sycl/test-e2e/MemorySanitizer/check_divide.cpp
index 99d0d588cbbac..512d93b8891c3 100644
--- a/sycl/test-e2e/MemorySanitizer/check_divide.cpp
+++ b/sycl/test-e2e/MemorySanitizer/check_divide.cpp
@@ -6,6 +6,9 @@
 // RUN: %{build} %device_msan_flags -O2 -g -o %t3.out
 // RUN: %{run} not %t3.out 2>&1 | FileCheck %s
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 #include <sycl/usm.hpp>
 
diff --git a/sycl/test-e2e/MemorySanitizer/check_large_access.cpp b/sycl/test-e2e/MemorySanitizer/check_large_access.cpp
index cb06f1b9ace7a..bf9b48f9b4601 100644
--- a/sycl/test-e2e/MemorySanitizer/check_large_access.cpp
+++ b/sycl/test-e2e/MemorySanitizer/check_large_access.cpp
@@ -4,6 +4,9 @@
 // RUN: %{build} %device_msan_flags -O2 -g -o %t3.out
 // RUN: %{run} not %t3.out 2>&1 | FileCheck %s
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include "sycl/detail/core.hpp"
 #include <sycl/vector.hpp>
 
diff --git a/sycl/test-e2e/NewOffloadDriver/multisource.cpp b/sycl/test-e2e/NewOffloadDriver/multisource.cpp
index 0612b54bfc23b..558fc1239dfc1 100644
--- a/sycl/test-e2e/NewOffloadDriver/multisource.cpp
+++ b/sycl/test-e2e/NewOffloadDriver/multisource.cpp
@@ -39,6 +39,9 @@
 // RUN: %clangxx -Wno-error=unused-command-line-argument -fsycl %{sycl_target_opts} --offload-new-driver %t.main.o %t.a -o %t4.fat
 // RUN: %{run} %t4.fat
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/detail/core.hpp>
 
 #include <iostream>
diff --git a/sycl/test-e2e/NewOffloadDriver/sycl-external-with-optional-features.cpp b/sycl/test-e2e/NewOffloadDriver/sycl-external-with-optional-features.cpp
index b2659744d0338..67be57e411805 100644
--- a/sycl/test-e2e/NewOffloadDriver/sycl-external-with-optional-features.cpp
+++ b/sycl/test-e2e/NewOffloadDriver/sycl-external-with-optional-features.cpp
@@ -6,6 +6,9 @@
 // XFAIL: cuda
 // XFAIL-TRACKER: https://github.com/intel/llvm/issues/16413
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #ifdef SOURCE1
 #include <iostream>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/NonUniformGroups/ballot_group_algorithms.cpp b/sycl/test-e2e/NonUniformGroups/ballot_group_algorithms.cpp
index 14e976edc8492..da9154ae602d0 100644
--- a/sycl/test-e2e/NonUniformGroups/ballot_group_algorithms.cpp
+++ b/sycl/test-e2e/NonUniformGroups/ballot_group_algorithms.cpp
@@ -13,6 +13,10 @@
 // UNSUPPORTED: cuda
 // UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/12995
 
+// UNSUPPORTED: spirv-backend
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64702
+// The test is disabled for spirv-backend while we investigate the root cause.
+
 #include <sycl/detail/core.hpp>
 #include <sycl/ext/oneapi/experimental/ballot_group.hpp>
 #include <sycl/group_algorithm.hpp>
diff --git a/sycl/test-e2e/NonUniformGroups/fixed_size_group_algorithms.cpp b/sycl/test-e2e/NonUniformGroups/fixed_size_group_algorithms.cpp
index dfed10e9f587e..07898d0146fb9 100644
--- a/sycl/test-e2e/NonUniformGroups/fixed_size_group_algorithms.cpp
+++ b/sycl/test-e2e/NonUniformGroups/fixed_size_group_algorithms.cpp
@@ -9,6 +9,10 @@
 // REQUIRES: sg-32
 // REQUIRES: aspect-ext_oneapi_fixed_size_group
 
+// UNSUPPORTED: spirv-backend
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64702
+// The test is disabled for spirv-backend while we investigate the root cause.
+
 #include <sycl/detail/core.hpp>
 #include <sycl/ext/oneapi/experimental/fixed_size_group.hpp>
 #include <sycl/group_algorithm.hpp>
diff --git a/sycl/test-e2e/OptionalKernelFeatures/is_compatible/is_compatible_with_aspects.cpp b/sycl/test-e2e/OptionalKernelFeatures/is_compatible/is_compatible_with_aspects.cpp
index e65ef55201089..1afdf9975cf99 100644
--- a/sycl/test-e2e/OptionalKernelFeatures/is_compatible/is_compatible_with_aspects.cpp
+++ b/sycl/test-e2e/OptionalKernelFeatures/is_compatible/is_compatible_with_aspects.cpp
@@ -4,6 +4,9 @@
 // RUN: %{build} -Wno-error=incorrect-sub-group-size %O0 -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 #include <sycl/kernel_bundle.hpp>
 
diff --git a/sycl/test-e2e/OptionalKernelFeatures/sycl-external-with-optional-features.cpp b/sycl/test-e2e/OptionalKernelFeatures/sycl-external-with-optional-features.cpp
index ec713c0ab2718..510e6df064c2e 100644
--- a/sycl/test-e2e/OptionalKernelFeatures/sycl-external-with-optional-features.cpp
+++ b/sycl/test-e2e/OptionalKernelFeatures/sycl-external-with-optional-features.cpp
@@ -3,6 +3,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t1.o %t2.o -Wno-unused-command-line-argument -o %t.exe
 // RUN: %{run} %t.exe
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #ifdef SOURCE1
 #include <iostream>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/ProgramManager/multi_device_bundle/build_twice.cpp b/sycl/test-e2e/ProgramManager/multi_device_bundle/build_twice.cpp
index d4aaea78c7173..12906f2e10539 100644
--- a/sycl/test-e2e/ProgramManager/multi_device_bundle/build_twice.cpp
+++ b/sycl/test-e2e/ProgramManager/multi_device_bundle/build_twice.cpp
@@ -6,6 +6,10 @@
 // RUN: %{build} -o %t.out
 // RUN: env NEOReadDebugKeys=1 CreateMultipleRootDevices=3 SYCL_UR_TRACE=2 %{run} %t.out | FileCheck %s
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <sycl/detail/core.hpp>
 #include <sycl/kernel_bundle.hpp>
 
diff --git a/sycl/test-e2e/ProgramManager/multi_device_bundle/device_libs_and_caching.cpp b/sycl/test-e2e/ProgramManager/multi_device_bundle/device_libs_and_caching.cpp
index 1534b2330f552..2a54744ebdef5 100644
--- a/sycl/test-e2e/ProgramManager/multi_device_bundle/device_libs_and_caching.cpp
+++ b/sycl/test-e2e/ProgramManager/multi_device_bundle/device_libs_and_caching.cpp
@@ -29,6 +29,10 @@
 // Check the case when in-memory caching of the programs is disabled.
 // RUN: env SYCL_CACHE_IN_MEM=0 NEOReadDebugKeys=1 CreateMultipleRootDevices=4 %{run} %t.out
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <cmath>
 #include <complex>
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-level-zero.cpp b/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-level-zero.cpp
index 735f25e77c528..1be87a4a26749 100644
--- a/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-level-zero.cpp
+++ b/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-level-zero.cpp
@@ -9,6 +9,10 @@
 // RUN: %{build} -O3 -o %t3.out
 // RUN: env SYCL_UR_TRACE=2 %{run} %t3.out 2>&1 | FileCheck %s --check-prefixes=CHECK1
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 // This test verifies the propagation of front-end compiler optimization
 // option to the backend.
 // API call in device code:
diff --git a/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-opencl.cpp b/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-opencl.cpp
index 78283f5b7cf62..db98542e76f68 100644
--- a/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-opencl.cpp
+++ b/sycl/test-e2e/PropagateOptionsToBackend/sycl-opt-level-opencl.cpp
@@ -22,6 +22,9 @@
 //       -O2        |    /* no option */
 //       -O3        |    /* no option */
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 
 int main() {
diff --git a/sycl/test-e2e/Reduction/reduction_nd_N_vars.cpp b/sycl/test-e2e/Reduction/reduction_nd_N_vars.cpp
index 4ea1fe420e31c..ad65c42fccf70 100644
--- a/sycl/test-e2e/Reduction/reduction_nd_N_vars.cpp
+++ b/sycl/test-e2e/Reduction/reduction_nd_N_vars.cpp
@@ -4,6 +4,10 @@
 // Windows doesn't yet have full shutdown().
 // UNSUPPORTED: ze_debug && windows
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 // This test checks handling of parallel_for() accepting nd_range and
 // two or more reductions.
 
diff --git a/sycl/test-e2e/Reduction/reduction_span.cpp b/sycl/test-e2e/Reduction/reduction_span.cpp
index 668399f00a212..fdb70ec8f5734 100644
--- a/sycl/test-e2e/Reduction/reduction_span.cpp
+++ b/sycl/test-e2e/Reduction/reduction_span.cpp
@@ -5,6 +5,10 @@
 // UNSUPPORTED: ze_debug && windows
 // This test performs basic checks of reductions initialized with a sycl::span
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && cpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <sycl/detail/core.hpp>
 
 #include <sycl/reduction.hpp>
diff --git a/sycl/test-e2e/Reduction/reduction_span_pack.cpp b/sycl/test-e2e/Reduction/reduction_span_pack.cpp
index 023e78fe5e85d..a5063282e0e74 100644
--- a/sycl/test-e2e/Reduction/reduction_span_pack.cpp
+++ b/sycl/test-e2e/Reduction/reduction_span_pack.cpp
@@ -6,6 +6,10 @@
 // This test performs basic checks of reductions initialized with a pack
 // containing at least one sycl::span
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && cpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <sycl/detail/core.hpp>
 
 #include <sycl/reduction.hpp>
diff --git a/sycl/test-e2e/Regression/DAE-separate-compile.cpp b/sycl/test-e2e/Regression/DAE-separate-compile.cpp
index d787c288d64df..3ba08fa189166 100644
--- a/sycl/test-e2e/Regression/DAE-separate-compile.cpp
+++ b/sycl/test-e2e/Regression/DAE-separate-compile.cpp
@@ -8,6 +8,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t.o %O0 -Wno-unused-command-line-argument -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 // Failing on HIP AMD, enable after fixed
 // UNSUPPORTED: hip
 
diff --git a/sycl/test-e2e/Regression/default-constructed-local-accessor.cpp b/sycl/test-e2e/Regression/default-constructed-local-accessor.cpp
index 07950111aa345..b9fb35a901f48 100644
--- a/sycl/test-e2e/Regression/default-constructed-local-accessor.cpp
+++ b/sycl/test-e2e/Regression/default-constructed-local-accessor.cpp
@@ -3,6 +3,9 @@
 // RUN: %{build} -o %t.out %O0
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 
 using namespace sycl;
diff --git a/sycl/test-e2e/Regression/group_load_fortified.cpp b/sycl/test-e2e/Regression/group_load_fortified.cpp
index ffa067221752f..c7b1287548a38 100644
--- a/sycl/test-e2e/Regression/group_load_fortified.cpp
+++ b/sycl/test-e2e/Regression/group_load_fortified.cpp
@@ -2,6 +2,10 @@
 // RUN: %{build} -D_FORTIFY_SOURCE=2 -o %t.out
 // RUN: %{run} %t.out
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && cpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 // Checks that group_load runs even when the source code is fortified. This
 // failed at one point due to the use of std::memcpy in the implementation,
 // which would hold an assert in device code when fortified, which would fail
diff --git a/sycl/test-e2e/Regression/multithread_write_accessor.cpp b/sycl/test-e2e/Regression/multithread_write_accessor.cpp
index b1d927517079c..af5f0025e2a9e 100644
--- a/sycl/test-e2e/Regression/multithread_write_accessor.cpp
+++ b/sycl/test-e2e/Regression/multithread_write_accessor.cpp
@@ -1,7 +1,7 @@
 // RUN: %{build} -o %t.out %threads_lib
 // RUN: %{run} %t.out
 
-// XFAIL: arch-intel_gpu_pvc && opencl
+// XFAIL: arch-intel_gpu_pvc && opencl && !spirv-backend
 // XFAIL-TRACKER: https://github.com/intel/llvm/issues/16401
 
 #include <sycl/detail/core.hpp>
diff --git a/sycl/test-e2e/Regression/unoptimized_stream.cpp b/sycl/test-e2e/Regression/unoptimized_stream.cpp
index b107947ce5ea7..39b19a11549d3 100644
--- a/sycl/test-e2e/Regression/unoptimized_stream.cpp
+++ b/sycl/test-e2e/Regression/unoptimized_stream.cpp
@@ -1,6 +1,9 @@
 // RUN: %{build} %O0 -o %t.out
 // RUN: %{run} %t.out
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+
 #include <sycl/detail/core.hpp>
 
 #include <sycl/stream.hpp>
diff --git a/sycl/test-e2e/Scheduler/DataMovement.cpp b/sycl/test-e2e/Scheduler/DataMovement.cpp
index c06f11fef7c59..ce7f2eda9f760 100644
--- a/sycl/test-e2e/Scheduler/DataMovement.cpp
+++ b/sycl/test-e2e/Scheduler/DataMovement.cpp
@@ -1,6 +1,9 @@
 // RUN: %{build} -o %t.out %debug_option
 // RUN: %{run} %t.out
 //
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
+//
 //==-------------------------- DataMovement.cpp ----------------------------==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
diff --git a/sycl/test-e2e/SeparateCompile/same-kernel.cpp b/sycl/test-e2e/SeparateCompile/same-kernel.cpp
index 27b701a0b1550..a902580dbcef9 100644
--- a/sycl/test-e2e/SeparateCompile/same-kernel.cpp
+++ b/sycl/test-e2e/SeparateCompile/same-kernel.cpp
@@ -15,6 +15,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t-same-kernel-a.o %t-same-kernel-b.o -Wno-unused-command-line-argument -o %t-same-kernel.exe
 // RUN: %{run} %t-same-kernel.exe
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <sycl/detail/core.hpp>
 
 using namespace sycl;
diff --git a/sycl/test-e2e/SeparateCompile/sycl-external-within-staticlib.cpp b/sycl/test-e2e/SeparateCompile/sycl-external-within-staticlib.cpp
index d62becf4d5567..0a30dff80caad 100644
--- a/sycl/test-e2e/SeparateCompile/sycl-external-within-staticlib.cpp
+++ b/sycl/test-e2e/SeparateCompile/sycl-external-within-staticlib.cpp
@@ -16,6 +16,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} -O3 %t3.o %t_repacked.a -Wno-unused-command-line-argument -o %t2.exe
 // RUN: %{run} %t2.exe
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <iostream>
 #include <sycl/detail/core.hpp>
 
diff --git a/sycl/test-e2e/SeparateCompile/sycl-external.cpp b/sycl/test-e2e/SeparateCompile/sycl-external.cpp
index 85e2c97d6512a..a949f509847f9 100644
--- a/sycl/test-e2e/SeparateCompile/sycl-external.cpp
+++ b/sycl/test-e2e/SeparateCompile/sycl-external.cpp
@@ -12,6 +12,9 @@
 // RUN: %clangxx -fsycl %{sycl_target_opts} %t2.o %t.a -Wno-unused-command-line-argument -o %t2.exe
 // RUN: %{run} %t2.exe
 
+// XFAIL: spirv-backend
+// XFAIL-TRACKER: CMPLRLLVM-64059
+
 #include <iostream>
 #include <sycl/detail/core.hpp>
 
diff --git a/sycl/test-e2e/SubGroup/sub_group_as.cpp b/sycl/test-e2e/SubGroup/sub_group_as.cpp
index 67b6102ff8300..2f48cc7489a56 100644
--- a/sycl/test-e2e/SubGroup/sub_group_as.cpp
+++ b/sycl/test-e2e/SubGroup/sub_group_as.cpp
@@ -4,6 +4,10 @@
 // RUN: %{build} -DUSE_DEPRECATED_LOCAL_ACC -o %t2.out -Wno-deprecated-declarations
 // RUN: %{run} %t2.out
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include <cassert>
 #include <cstdint>
 #include <cstdio>
diff --git a/sycl/test-e2e/SubGroup/sub_group_as_vec.cpp b/sycl/test-e2e/SubGroup/sub_group_as_vec.cpp
index 210c147d6a776..d58bc16d6310d 100644
--- a/sycl/test-e2e/SubGroup/sub_group_as_vec.cpp
+++ b/sycl/test-e2e/SubGroup/sub_group_as_vec.cpp
@@ -4,6 +4,10 @@
 // RUN: %{build} -DUSE_DEPRECATED_LOCAL_ACC -o %t2.out -Wno-deprecated-declarations
 // RUN: %{run} %t2.out
 
+// Depends on SPIR-V Backend & run-time drivers version.
+// XFAIL: spirv-backend && gpu
+// XFAIL-TRACKER: CMPLRLLVM-64705
+
 #include "helper.hpp"
 #include <cassert>
 #include <cstdint>
diff --git a/sycl/test-e2e/syclcompat/launch/launch_policy_lmem.cpp b/sycl/test-e2e/syclcompat/launch/launch_policy_lmem.cpp
index fa253b8f1666f..2f2f1c28f1adb 100644
--- a/sycl/test-e2e/syclcompat/launch/launch_policy_lmem.cpp
+++ b/sycl/test-e2e/syclcompat/launch/launch_policy_lmem.cpp
@@ -26,6 +26,10 @@
 // UNSUPPORTED: linux && opencl && (gpu-intel-gen12 || gpu-intel-dg2 || arch-intel_gpu_pvc)
 // UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/15275
 
+// Flaky pass/fail behaviour.
+// UNSUPPORTED: spirv-backend
+// UNSUPPORTED-TRACKER: CMPLRLLVM-64705
+
 #include <sycl/detail/core.hpp>
 #include <sycl/ext/oneapi/properties/properties.hpp>
 #include <sycl/group_barrier.hpp>
diff --git a/sycl/test-e2e/Basic/fpga_tests/fpga_io_pipes.cpp b/sycl/test/fpga_tests/fpga_io_pipes.cpp
similarity index 99%
rename from sycl/test-e2e/Basic/fpga_tests/fpga_io_pipes.cpp
rename to sycl/test/fpga_tests/fpga_io_pipes.cpp
index 1eb50966b76ee..0513386f97dd1 100644
--- a/sycl/test-e2e/Basic/fpga_tests/fpga_io_pipes.cpp
+++ b/sycl/test/fpga_tests/fpga_io_pipes.cpp
@@ -1,4 +1,4 @@
-// RUN: %{build} -fsyntax-only -o %t.out
+// RUN: %clangxx -fsycl -fsyntax-only %s
 // TODO: launch the test if the feature is supported.
 //==------------ fpga_io_pipes.cpp - SYCL FPGA pipes test ------------------==//
 //
diff --git a/sycl/test-e2e/Basic/fpga_tests/io_pipe_def.h b/sycl/test/fpga_tests/io_pipe_def.h
similarity index 100%
rename from sycl/test-e2e/Basic/fpga_tests/io_pipe_def.h
rename to sycl/test/fpga_tests/io_pipe_def.h
diff --git a/sycl/test-e2e/NonUniformGroups/is_fixed_topology.cpp b/sycl/test/non-uniform-groups/is_fixed_topology.cpp
similarity index 93%
rename from sycl/test-e2e/NonUniformGroups/is_fixed_topology.cpp
rename to sycl/test/non-uniform-groups/is_fixed_topology.cpp
index e8183ce41d3d2..f92dc5b560ea6 100644
--- a/sycl/test-e2e/NonUniformGroups/is_fixed_topology.cpp
+++ b/sycl/test/non-uniform-groups/is_fixed_topology.cpp
@@ -1,4 +1,4 @@
-// RUN: %{build} -fsyntax-only -o %t.out
+// RUN: %clangxx -fsycl -fsyntax-only %s
 
 #include <sycl/detail/core.hpp>
 namespace syclex = sycl::ext::oneapi::experimental;
diff --git a/sycl/test-e2e/NonUniformGroups/is_user_constructed.cpp b/sycl/test/non-uniform-groups/is_user_constructed.cpp
similarity index 91%
rename from sycl/test-e2e/NonUniformGroups/is_user_constructed.cpp
rename to sycl/test/non-uniform-groups/is_user_constructed.cpp
index c3ea8b59dc54c..d5b7df40662fb 100644
--- a/sycl/test-e2e/NonUniformGroups/is_user_constructed.cpp
+++ b/sycl/test/non-uniform-groups/is_user_constructed.cpp
@@ -1,5 +1,4 @@
-// FIXME: Move to sycl/test.
-// RUN: %{build} -fsyntax-only -o %t.out
+// RUN: %clangxx -fsycl -fsyntax-only %s
 
 #include <sycl/ext/oneapi/experimental/ballot_group.hpp>
 #include <sycl/ext/oneapi/experimental/fixed_size_group.hpp>