Author: Becca Royal-Gordon
Date: 2021-11-19T13:00:26-08:00
New Revision: 290cddcd139d668251821f11426f37481faf6d7f

URL: 
https://github.com/llvm/llvm-project/commit/290cddcd139d668251821f11426f37481faf6d7f
DIFF: 
https://github.com/llvm/llvm-project/commit/290cddcd139d668251821f11426f37481faf6d7f.diff

LOG: Allow __attribute__((swift_attr)) in attribute push pragmas

This change allows SwiftAttr to be used with #pragma clang attribute push
to add Swift attributes to large regions of header files.
We plan to use this to annotate headers with concurrency information.

Patch by: Becca Royal-Gordon

Differential Revision: https://reviews.llvm.org/D112773

Added: 
    

Modified: 
    clang/include/clang/Basic/Attr.td
    clang/test/AST/attr-swift_attr.m
    clang/test/Misc/pragma-attribute-supported-attributes-list.test

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/Basic/Attr.td 
b/clang/include/clang/Basic/Attr.td
index d8f0fcd56550c..39588d94cf09b 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -2310,6 +2310,7 @@ def SwiftAttr : InheritableAttr {
   let Spellings = [GNU<"swift_attr">];
   let Args = [StringArgument<"Attribute">];
   let Documentation = [SwiftAttrDocs];
+  let PragmaAttributeSupport = 1;
 }
 
 def SwiftBridge : InheritableAttr {

diff  --git a/clang/test/AST/attr-swift_attr.m 
b/clang/test/AST/attr-swift_attr.m
index 3cd51b81e349f..70e325723b213 100644
--- a/clang/test/AST/attr-swift_attr.m
+++ b/clang/test/AST/attr-swift_attr.m
@@ -4,5 +4,13 @@
 @interface View
 @end
 
-// CHECK: InterfaceDecl {{.*}} View
+// CHECK-LABEL: InterfaceDecl {{.*}} View
 // CHECK-NEXT: SwiftAttrAttr {{.*}} "@actor"
+
+#pragma clang attribute push(__attribute__((swift_attr("@sendable"))), 
apply_to=objc_interface)
+@interface Contact
+@end
+#pragma clang attribute pop
+
+// CHECK-LABEL: InterfaceDecl {{.*}} Contact
+// CHECK-NEXT: SwiftAttrAttr {{.*}} "@sendable"

diff  --git a/clang/test/Misc/pragma-attribute-supported-attributes-list.test 
b/clang/test/Misc/pragma-attribute-supported-attributes-list.test
index 199934b2791da..b565f7d00314b 100644
--- a/clang/test/Misc/pragma-attribute-supported-attributes-list.test
+++ b/clang/test/Misc/pragma-attribute-supported-attributes-list.test
@@ -163,6 +163,7 @@
 // CHECK-NEXT: SwiftAsyncContext (SubjectMatchRule_variable_is_parameter)
 // CHECK-NEXT: SwiftAsyncError (SubjectMatchRule_function, 
SubjectMatchRule_objc_method)
 // CHECK-NEXT: SwiftAsyncName (SubjectMatchRule_objc_method, 
SubjectMatchRule_function)
+// CHECK-NEXT: SwiftAttr ()
 // CHECK-NEXT: SwiftBridgedTypedef (SubjectMatchRule_type_alias)
 // CHECK-NEXT: SwiftContext (SubjectMatchRule_variable_is_parameter)
 // CHECK-NEXT: SwiftError (SubjectMatchRule_function, 
SubjectMatchRule_objc_method)


        
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