commit a79c6603b2e787a0da8ef1e517eda4522baa5f09
author dan sinclair <dsinclair@chromium.org> Tue Feb 21 18:49:40 2023 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> Tue Feb 21 18:49:40 2023 +0000
tree 998ce8f23445d3ec8a4bb2bb95bbb53800d1ab48
parent b92ff397245c97989e8efbb723dfea9f2719185c

Add `@must_use` AST node.

This CL adds the `@must_use` ast node and hooks it into the
program_builder.

Bug: tint:1844
Change-Id: I2ffe99bbf29ec287446788253aa8cf63cc4da50b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/120820
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>

src/tint/resolver/dependency_graph.cc

diff --git a/src/tint/resolver/dependency_graph.cc b/src/tint/resolver/dependency_graph.cc
index 2100f6b..a764596 100644
--- a/src/tint/resolver/dependency_graph.cc
+++ b/src/tint/resolver/dependency_graph.cc
@@ -39,6 +39,7 @@
 #include "src/tint/ast/invariant_attribute.h"
 #include "src/tint/ast/location_attribute.h"
 #include "src/tint/ast/loop_statement.h"
+#include "src/tint/ast/must_use_attribute.h"
 #include "src/tint/ast/override.h"
 #include "src/tint/ast/return_statement.h"
 #include "src/tint/ast/stage_attribute.h"
@@ -460,8 +461,9 @@
         }
 
         if (attr->IsAnyOf<ast::BuiltinAttribute, ast::DiagnosticAttribute, ast::InternalAttribute,
-                          ast::InterpolateAttribute, ast::InvariantAttribute, ast::StageAttribute,
-                          ast::StrideAttribute, ast::StructMemberOffsetAttribute>()) {
+                          ast::InterpolateAttribute, ast::InvariantAttribute, ast::MustUseAttribute,
+                          ast::StageAttribute, ast::StrideAttribute,
+                          ast::StructMemberOffsetAttribute>()) {
             return;
         }