@@ -12926,6 +12929,10 @@ bool ASTContext::DeclMustBeEmitted(const Decl *D) {
// FIXME: Functions declared with SYCL_EXTERNAL are required during
// device compilation.
tahonermann wrote:
```suggestion
```
https://github.com/llvm/llvm-project/pull/140
@@ -1545,6 +1550,18 @@ def SYCLKernel : InheritableAttr {
let Documentation = [SYCLKernelDocs];
}
+def GlobalStorageNonLocalVar : SubsetSubjecthasGlobalStorage() &&
+ !S->isLocalVarDeclOrParm()}],
+
@@ -1545,6 +1550,18 @@ def SYCLKernel : InheritableAttr {
let Documentation = [SYCLKernelDocs];
}
+def GlobalStorageNonLocalVar : SubsetSubjecthasGlobalStorage() &&
+ !S->isLocalVarDeclOrParm()}],
+
@@ -408,10 +408,14 @@ class SubjectList subjects, SubjectDiag
diag = WarnDiag,
string CustomDiag = customDiag;
}
-class LangOpt {
+class LangOpt {
// The language option to test; ignored when custom code is supplied.
string Name = name;
+ // If set to 1, the attrib
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 -fsycl-is-device -fsyntax-only -verify -DSYCL %s
+// RUN: %clang_cc1 -fsycl-is-host -fsyntax-only -verify -DHOST %s
tahonermann wrote:
Since SYCL applies to both host and device, let's differentiate by "host" and
"device" (wi
@@ -12909,6 +12909,9 @@ bool ASTContext::DeclMustBeEmitted(const Decl *D) {
if (D->hasAttr())
return false;
+ if (LangOpts.SYCLIsDevice && !D->hasAttr())
+return false;
tahonermann wrote:
This will also need to check for the new `SYCLExternalAttr`
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 -fsycl-is-device -fsyntax-only -verify -DSYCL %s
+// RUN: %clang_cc1 -fsycl-is-host -fsyntax-only -verify -DHOST %s
+// RUN: %clang_cc1 -verify %s
+
+// Semantic tests for sycl_external attribute
+
+#ifdef SYCL
+
+__attribute__((sycl_external(3
https://github.com/tahonermann requested changes to this pull request.
Thanks for working on this @schittir! I completed an initial pass of all of the
code, but still need to look more closely at the documentation updates.
https://github.com/llvm/llvm-project/pull/140282
___
@@ -100,11 +100,10 @@ int main() {
// Verify that SYCL kernel caller functions are emitted for each device target.
//
-// FIXME: The following set of matches are used to skip over the declaration of
-// main(). main() shouldn't be emitted in device code, but that pruning isn't
@@ -12926,6 +12929,10 @@ bool ASTContext::DeclMustBeEmitted(const Decl *D) {
// FIXME: Functions declared with SYCL_EXTERNAL are required during
// device compilation.
+// Functions definitions with sycl_external attribute are required during
+// device compila
@@ -12746,6 +12746,11 @@ def err_sycl_special_type_num_init_method : Error<
"types with 'sycl_special_class' attribute must have one and only one
'__init' "
"method defined">;
+//SYCL external attribute diagnostics
+def err_sycl_attribute_internal_decl
+: Error<"%0 at
@@ -62,6 +62,7 @@ class SemaSYCL : public SemaBase {
ParsedType ParsedTy);
void handleKernelAttr(Decl *D, const ParsedAttr &AL);
+ void handleSYCLExternalAttr(Decl *D, const ParsedAttr &AL);
tahonermann wrote:
Since t
https://github.com/tahonermann edited
https://github.com/llvm/llvm-project/pull/140282
___
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https://github.com/schittir updated
https://github.com/llvm/llvm-project/pull/140282
>From abdbf8905d324f9b935b34bbc97c508ede5ac028 Mon Sep 17 00:00:00 2001
From: "Chittireddy, Sindhu"
Date: Fri, 16 May 2025 08:51:06 -0700
Subject: [PATCH 1/2] Add sycl_external attribute
---
clang/include/cla
https://github.com/schittir created
https://github.com/llvm/llvm-project/pull/140282
None
>From abdbf8905d324f9b935b34bbc97c508ede5ac028 Mon Sep 17 00:00:00 2001
From: "Chittireddy, Sindhu"
Date: Fri, 16 May 2025 08:51:06 -0700
Subject: [PATCH] Add sycl_external attribute
---
clang/include/c
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