[SCYL] Revert SYCL __private address space value to 0.

Signed-off-by: Vladimir Lazarev <vladimir.lazarev@intel.com>
Signed-off-by: Alexey Voronov <alexey.voronov@intel.com>

Author: alexeyvoronov-intel

clang/lib/AST/ASTContext.cpp

@@ -750,7 +750,7 @@ static const LangASMap *getAddressSpaceMap(const TargetInfo &T,
       1, // sycl_global
       3, // sycl_local
       2, // sycl_constant
-      5, // sycl_private
+      0, // sycl_private
       4, // sycl_generic
     };
     return &FakeAddrSpaceMap;

clang/lib/Basic/Targets/NVPTX.h

@@ -36,7 +36,7 @@ static const unsigned NVPTXAddrSpaceMap[] = {
     1, // sycl_global
     3, // sycl_local
     4, // sycl_constant
-    5, // sycl_private
+    0, // sycl_private
     // FIXME: generic has to be added to the target
     0, // sycl_generic
 };

clang/lib/Basic/Targets/SPIR.h

@@ -34,7 +34,7 @@ static const unsigned SPIRAddrSpaceMap[] = {
     1, // sycl_global
     3, // sycl_local
     2, // sycl_constant
-    5, // sycl_private
+    0, // sycl_private
     4, // sycl_generic
 };
 

clang/lib/Basic/Targets/TCE.h

@@ -43,7 +43,7 @@ static const unsigned TCEOpenCLAddrSpaceMap[] = {
     3, // sycl_global
     4, // sycl_local
     5, // sycl_constant
-    5, // sycl_private
+    0, // sycl_private
     // FIXME: generic has to be added to the target
     0, // sycl_generic
 };

clang/lib/Sema/SemaType.cpp

@@ -5833,7 +5833,7 @@ static bool BuildAddressSpaceIndex(Sema &S, LangAS &ASIdx,
       return false;
     }
 
-    if (S.LangOpts.SYCLIsDevice && (addrSpace == 4 || addrSpace > 5)) {
+    if (S.LangOpts.SYCLIsDevice && (addrSpace >= 4)) {
       S.Diag(AttrLoc, diag::err_sycl_attribute_address_space_invalid)
           << AddrSpace->getSourceRange();
       return false;
@@ -5846,7 +5846,7 @@ static bool BuildAddressSpaceIndex(Sema &S, LangAS &ASIdx,
       ASIdx =
           [](unsigned AS) {
             switch (AS) {
-            case 5: case 0: return LangAS::sycl_private;
+            case 0: return LangAS::sycl_private;
             case 1: return LangAS::sycl_global;
             case 2: return LangAS::sycl_constant;
             case 3: return LangAS::sycl_local;

clang/test/CodeGenSYCL/address-space-parameter-conversions.cpp

@@ -88,11 +88,11 @@ void usages() {
 
 void usages2() {
   __attribute__((address_space(0))) int *PRIV_NUM;
-  // CHECK-DAG: [[PRIV_NUM:%[a-zA-Z0-9_]+]] = alloca i32 addrspace(5)*
-  __attribute__((address_space(5))) int *PRIV_NUM2;
-  // CHECK-DAG: [[PRIV_NUM2:%[a-zA-Z0-9_]+]] = alloca i32 addrspace(5)*
+  // CHECK-DAG: [[PRIV_NUM:%[a-zA-Z0-9_]+]] = alloca i32*
+  __attribute__((address_space(0))) int *PRIV_NUM2;
+  // CHECK-DAG: [[PRIV_NUM2:%[a-zA-Z0-9_]+]] = alloca i32*
   __private int *PRIV;
-  // CHECK-DAG: [[PRIV:%[a-zA-Z0-9_]+]] = alloca i32 addrspace(5)*
+  // CHECK-DAG: [[PRIV:%[a-zA-Z0-9_]+]] = alloca i32*
   __attribute__((address_space(1))) int *GLOB_NUM;
   // CHECK-DAG: [[GLOB_NUM:%[a-zA-Z0-9_]+]] = alloca i32 addrspace(1)*
   __global int *GLOB;
@@ -107,17 +107,14 @@ void usages2() {
   // CHECK-DAG: [[LOCAL:%[a-zA-Z0-9_]+]] = alloca i32 addrspace(3)*
 
   bar(*PRIV_NUM);
-  // CHECK-DAG: [[PRIV_NUM_LOAD:%[a-zA-Z0-9]+]] = load i32 addrspace(5)*, i32 addrspace(5)** [[PRIV_NUM]]
-  // CHECK-DAG: [[PRIV_NUM_CAST:%[a-zA-Z0-9]+]] = addrspacecast i32 addrspace(5)* [[PRIV_NUM_LOAD]] to i32 addrspace(4)*
-  // CHECK-DAG: call spir_func void @new.[[RAW_REF]](i32 addrspace(4)* [[PRIV_NUM_CAST]])
+  // CHECK-DAG: [[PRIV_NUM_LOAD:%[a-zA-Z0-9]+]] = load i32*, i32** [[PRIV_NUM]]
+  // CHECK-DAG: call spir_func void @[[RAW_REF]](i32* dereferenceable(4) [[PRIV_NUM_LOAD]])
   bar(*PRIV_NUM2);
-  // CHECK-DAG: [[PRIV_NUM2_LOAD:%[a-zA-Z0-9]+]] = load i32 addrspace(5)*, i32 addrspace(5)** [[PRIV_NUM2]]
-  // CHECK-DAG: [[PRIV_NUM2_CAST:%[a-zA-Z0-9]+]] = addrspacecast i32 addrspace(5)* [[PRIV_NUM2_LOAD]] to i32 addrspace(4)*
-  // CHECK-DAG: call spir_func void @new.[[RAW_REF]](i32 addrspace(4)* [[PRIV_NUM2_CAST]])
+  // CHECK-DAG: [[PRIV_NUM2_LOAD:%[a-zA-Z0-9]+]] = load i32*, i32** [[PRIV_NUM2]]
+  // CHECK-DAG: call spir_func void @[[RAW_REF]](i32* dereferenceable(4) [[PRIV_NUM2_LOAD]])
   bar(*PRIV);
-  // CHECK-DAG: [[PRIV_LOAD:%[a-zA-Z0-9]+]] = load i32 addrspace(5)*, i32 addrspace(5)** [[PRIV]]
-  // CHECK-DAG: [[PRIV_CAST:%[a-zA-Z0-9]+]] = addrspacecast i32 addrspace(5)* [[PRIV_LOAD]] to i32 addrspace(4)*
-  // CHECK-DAG: call spir_func void @new.[[RAW_REF]](i32 addrspace(4)* [[PRIV_CAST]])
+  // CHECK-DAG: [[PRIV_LOAD:%[a-zA-Z0-9]+]] = load i32*, i32** [[PRIV]]
+  // CHECK-DAG: call spir_func void @[[RAW_REF]](i32* dereferenceable(4) [[PRIV_LOAD]])
   bar(*GLOB_NUM);
   // CHECK-DAG: [[GLOB_NUM_LOAD:%[a-zA-Z0-9]+]] = load i32 addrspace(1)*, i32 addrspace(1)** [[GLOB_NUM]]
   // CHECK-DAG: [[GLOB_NUM_CAST:%[a-zA-Z0-9]+]] = addrspacecast i32 addrspace(1)* [[GLOB_NUM_LOAD]] to i32 addrspace(4)*