GBE: Support local variable inside kernel function.

As Clang treat local variable in similar way like global constant,
(they are treated as Global variable in each own address space)
we refine the previous constant implementation in order to
share same code between local variable and global constant.

We will allocate an address register for each GlobalVariable
(constant or local) through calling newRegister().
In later step, through getRegister() we will get a proper
register derived from the allocated address register.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: "Yang, Rong R" <rong.r.yang@intel.com>

2 files changed, 28 insertions, 3 deletions

diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index a24c4900..daa4d6f5 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -96,6 +96,7 @@ set (utests_sources
   compiler_local_memory_barrier.cpp
   compiler_local_memory_barrier_wg64.cpp
   compiler_local_memory_barrier_2.cpp
+  compiler_local_slm.cpp
   compiler_movforphi_undef.cpp
   compiler_volatile.cpp
   compiler_copy_image1.cpp
diff --git a/utests/compiler_local_slm.cpp b/utests/compiler_local_slm.cpp
index aa9a2fec..48a072fa 100644
--- a/utests/compiler_local_slm.cpp
+++ b/utests/compiler_local_slm.cpp
@@ -2,9 +2,33 @@
 
 void compiler_local_slm(void)
 {
-  // Setup kernel and buffers
-  OCL_CREATE_KERNEL("compiler_local_slm");
+  const size_t n = 32;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_local_slm", "compiler_local_slm");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(uint32_t), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  globals[0] = n;
+  locals[0] = 16;
+  OCL_NDRANGE(1);
+  OCL_MAP_BUFFER(0);
+  for (uint32_t i = 0; i < n; ++i)
+//    std::cout << ((int32_t*)buf_data[0])[i] << std::endl;
+    OCL_ASSERT(((int32_t*)buf_data[0])[i] == (i%16 + 2 + 1+ i/16));
+  OCL_UNMAP_BUFFER(0);
 }
 
+void compiler_local_slm1(void)
+{
+  const size_t n = 2;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_local_slm", "compiler_local_slm1");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(uint64_t), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  globals[0] = 1;
+  locals[0] = 1;
+  OCL_NDRANGE(1);
+  OCL_MAP_BUFFER(0);
+  uint64_t * ptr = (uint64_t*)buf_data[0];
+  OCL_ASSERT((ptr[1] -ptr[0])  == 4);
+  OCL_UNMAP_BUFFER(0);
+}
 MAKE_UTEST_FROM_FUNCTION(compiler_local_slm);
-
+MAKE_UTEST_FROM_FUNCTION(compiler_local_slm1);