[SYCL][ESIMD] Preparing ESIMD_EMULATOR support

- This PR is for clearing failures observed while merging intel/llvm
PR enabling esimd_emulator support by default
(intel/llvm#5058)

- Another PR should be created for actively loading and testing
'esimd_emulator' backend

Author: dongkyunahn-intel

SYCL/KernelAndProgram/cache_env_vars.cpp

@@ -3,15 +3,15 @@
 // RUN: rm -rf %t/cache_dir
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out -DTARGET_IMAGE=INC100
 // Build program and add item to cache
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_DEVICE_FILTER=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Ignore caching because image size is less than threshold
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MIN_DEVICE_IMAGE_SIZE=100000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_DEVICE_FILTER=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MIN_DEVICE_IMAGE_SIZE=100000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Ignore caching because image size is more than threshold
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MAX_DEVICE_IMAGE_SIZE=1000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_DEVICE_FILTER=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MAX_DEVICE_IMAGE_SIZE=1000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Use cache
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
+// RUN: env SYCL_DEVICE_FILTER=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
 // Ignore cache because of environment variable
-// RUN: env SYCL_CACHE_PERSISTENT=0 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_DEVICE_FILTER=%sycl_be SYCL_CACHE_PERSISTENT=0 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 //
 // The test checks environment variables which may disable caching.
 // Also it can be used for benchmarking cache:

SYCL/KernelAndProgram/cache_env_vars_lin.cpp

@@ -7,20 +7,20 @@
 
 // When no environment variables pointing cache directory are set the cache is
 // disabled
-// RUN: env SYCL_CACHE_PERSISTENT=1 env -u SYCL_CACHE_DIR env -u HOME env -u XDG_CACHE_HOME SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
-// RUN: env SYCL_CACHE_PERSISTENT=1 env -u SYCL_CACHE_DIR env -u HOME env -u XDG_CACHE_HOME SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 env -u SYCL_CACHE_DIR env -u HOME env -u XDG_CACHE_HOME SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 env -u SYCL_CACHE_DIR env -u HOME env -u XDG_CACHE_HOME SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 
 // When any of environment variables pointing to cache root is present cache is
 // enabled
 // RUN: rm -rf %t/cache_dir
-// RUN: env SYCL_CACHE_PERSISTENT=1 XDG_CACHE_HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u SYCL_CACHE_DIR env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
-// RUN: env SYCL_CACHE_PERSISTENT=1 XDG_CACHE_HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u SYCL_CACHE_DIR env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 XDG_CACHE_HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u SYCL_CACHE_DIR env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 XDG_CACHE_HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u SYCL_CACHE_DIR env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
 // RUN: rm -rf %t/cache_dir
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
-// RUN: env SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u HOME %t.out %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u HOME %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u HOME %t.out %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
 // RUN: rm -rf %t/cache_dir
-// RUN: env SYCL_CACHE_PERSISTENT=1 HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u SYCL_CACHE_DIR %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
-// RUN: env SYCL_CACHE_PERSISTENT=1 HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u SYCL_CACHE_DIR %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u SYCL_CACHE_DIR %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: env SYCL_BE=%sycl_be SYCL_CACHE_PERSISTENT=1 HOME=%t/cache_dir SYCL_PI_TRACE=-1 env -u XDG_CACHE_HOME env -u SYCL_CACHE_DIR %t.out | FileCheck %s --check-prefixes=CHECK-CACHE
 
 // CHECK-BUILD-NOT: piProgramCreateWithBinary(
 // CHECK-BUILD: piProgramCreate(

SYCL/SpecConstants/2020/host_apis.cpp

@@ -4,6 +4,7 @@
 
 // UNSUPPORTED: cuda
 // UNSUPPORTED: hip
+// UNSUPPORTED: esimd_emulator
 
 #include <sycl/sycl.hpp>