[SYCL] reqd_work_group_size attribute is reversed (fix intel#6)

Signed-off-by: Aleksander Fadeev <[email protected]>

Author: fadeeval

clang/lib/Sema/SemaDeclAttr.cpp

@@ -2898,16 +2898,16 @@ static bool checkWorkGroupSizeValues(Sema &S, Decl *D, const ParsedAttr &Attr,
                              /*ReverseAttrs=*/ true);
 
   if (const auto *A = D->getAttr<SYCLIntelMaxWorkGroupSizeAttr>()) {
-    if (!(WGSize[0] <= A->getXDim() && WGSize[1] <= A->getYDim() &&
-          WGSize[2] <= A->getZDim())) {
+    if (!(WGSize[2] <= A->getXDim() && WGSize[1] <= A->getYDim() &&
+          WGSize[0] <= A->getZDim())) {
       S.Diag(Attr.getLoc(), diag::err_conflicting_sycl_function_attributes)
           << Attr << A->getSpelling();
       Result &= false;
     }
   }
   if (const auto *A = D->getAttr<ReqdWorkGroupSizeAttr>()) {
-    if (!(WGSize[0] >= A->getXDim() && WGSize[1] >= A->getYDim() &&
-          WGSize[2] >= A->getZDim())) {
+    if (!(WGSize[2] >= A->getXDim() && WGSize[1] >= A->getYDim() &&
+          WGSize[0] >= A->getZDim())) {
       S.Diag(Attr.getLoc(), diag::err_conflicting_sycl_function_attributes)
           << Attr << A->getSpelling();
       Result &= false;

clang/test/SemaSYCL/intel-max-global-work-dim.cpp

@@ -82,8 +82,8 @@ int main() {
   kernel<class test_kernel5>(
       TRIFuncObjGood2());
   // CHECK-LABEL: FunctionDecl {{.*}} _ZTSZ4mainE12test_kernel5
-  // CHECK:       ReqdWorkGroupSizeAttr {{.*}} 4 1 1
-  // CHECK:       SYCLIntelMaxWorkGroupSizeAttr {{.*}} 8 1 1
+  // CHECK:       ReqdWorkGroupSizeAttr {{.*}} 1 1 4
+  // CHECK:       SYCLIntelMaxWorkGroupSizeAttr {{.*}} 1 1 8
   // CHECK:       SYCLIntelMaxGlobalWorkDimAttr {{.*}} 3
 
 #ifdef TRIGGER_ERROR