================
@@ -4412,14 +4440,37 @@ bool SemaHLSL::CheckResourceBinOp(BinaryOperatorKind
Opc, Expr *LHSExpr,
while (auto *ASE = dyn_cast<ArraySubscriptExpr>(E))
E = ASE->getBase()->IgnoreParenImpCasts();
+ auto RHSBinding = GetGlobalBinding(RHSExpr);
+ if (!RHSBinding) {
+ SemaRef.Diag(Loc, diag::err_hlsl_assigning_local_resource_is_not_unique)
+ << RHSExpr;
+ return false;
+ }
+
// Report error if LHS is a non-static resource declared at a global scope.
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E->IgnoreParens())) {
if (VarDecl *VD = dyn_cast<VarDecl>(DRE->getDecl())) {
- if (VD->hasGlobalStorage() && VD->getStorageClass() != SC_Static) {
- // assignment to global resource is not allowed
- SemaRef.Diag(Loc, diag::err_hlsl_assign_to_global_resource) << VD;
- SemaRef.Diag(VD->getLocation(), diag::note_var_declared_here) << VD;
- return false;
+ if (VD->getStorageClass() != SC_Static) {
+ if (VD->hasGlobalStorage()) {
+ // assignment to global resource is not allowed
----------------
Icohedron wrote:
nit
```suggestion
// Assignment to a global resource is not allowed.
```
https://github.com/llvm/llvm-project/pull/176793
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